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Kotor Weather by Month: When Is the Best Time to Visit?

Kotor weather is warmest in July and August, with average highs near 30°C (86°F), and wettest in November, with about 354 mm of rain. This Kotor weather guide gives the month-by-month averages and shows which months suit a boat trip, the walls climb or a day inland from the cruise port.

Quick answer Best time to visit Kotor

May, June and September are the best months for Kotor weather, with average highs of 22°C to 27°C (72°F to 80°F) and fewer wet days than winter. July and August average about 30°C (86°F), and November is the wettest month.

Key takeaways

What is the Kotor weather like by month?

Kotor averages daytime highs of about 11°C (52°F) in January and 30°C (86°F) in July and August, and November is the wettest month with about 354 mm of rain.

Kotor Weather by Month

The table gives the average daily high and low, the monthly rainfall and the number of days with at least 1 mm of rain for each month. The figures are 30-year averages (1995 to 2024) from the ERA5 climate reanalysis for the grid cell over the Bay of Kotor, so a single day can run well above or below them.

MonthAvg highAvg lowRainWet days
January11°C (52°F)5°C (41°F)246 mm13
February12°C (53°F)5°C (42°F)226 mm12
March14°C (58°F)7°C (45°F)206 mm13
April18°C (64°F)10°C (51°F)175 mm14
May22°C (72°F)15°C (59°F)153 mm14
June27°C (80°F)19°C (67°F)95 mm11
July30°C (85°F)22°C (72°F)63 mm9
August30°C (85°F)22°C (72°F)84 mm9
September25°C (77°F)18°C (65°F)207 mm11
October21°C (70°F)14°C (58°F)230 mm11
November16°C (61°F)10°C (51°F)354 mm14
December12°C (54°F)7°C (44°F)314 mm14

What the Numbers Mean on a Port Day

July and August are the hottest months, with highs near 30°C (86°F) and the fewest wet days, about 9 a month. That heat is why the walls climb is best done early. May, June and September sit between 22°C and 27°C (72°F and 80°F), the most comfortable range for a boat trip and a walk on the same day.

The bay is wet from October to January. November averages about 354 mm of rain over some 14 wet days, more than five times the July total. If your ship calls then, pick a tour with free cancellation and keep the old town as the dry-weather fallback.

Bay of Kotor and the red roofs of Kotor town under a clear blue sky with grey mountains behind

The Bay of Kotor on a clear winter day, with calm water and the mountains reaching down to the shore. Photo: kallerna, CC BY-SA 4.0, via Wikimedia Commons

How rainy is Kotor?

Kotor is one of the wettest places on the Adriatic coast in winter, with 300 mm or more of rain in both November and December, while July averages about 63 mm.

Rain Across the Year

Rain in Kotor comes in heavy bursts rather than daily drizzle. Even in the wettest months there are about 14 days with 1 mm or more, so roughly half the days stay dry. Summer is the reliable season: June to August averages 9 to 11 wet days and under 100 mm of rain a month.

Boat trips depend on the sea more than on the rain itself. The Blue Cave tours on this site note that the operator can change or cancel a trip in rough water, and the listings give free cancellation up to 24 hours before for most departures.

What is the best month to visit Montenegro?

For most travellers the best months are May, June and September, when coastal Montenegro is warm and the summer crowds have not peaked or have just passed.

Montenegro's coast is at its most comfortable in the shoulder seasons. The sea is warm enough for swimming by early summer, and Kotor's Old Town is far easier to enjoy before the peak cruise months. The port's own statistics show how busy the peak gets. It recorded 464 cruise calls and 613,747 passengers in 2019, and 434 calls with 418,174 passengers in 2022, with its published table peaking at 488 calls in 2016. The port calls Kotor the third cruise destination in the Adriatic after Venice and Dubrovnik, so the Old Town lanes fill quickly on peak days. If you want warm sea and quiet lanes at the same time, aim for the edges of the season rather than its middle.

Best months by traveller type

Whichever month you pick, check the kotor shore excursions lineup and keep a wet-weather backup in mind.

Traveller typeMonths that suit best
Swimmers and boatersJune and September
Walkers and photographersMay and October
Cruise passengers avoiding crowdsMay, early June, late September
Museum and Old Town visitorsAny month, sheltered from rain

Source: Port of Kotor.

Which months give you which Kotor weather?

Kotor runs from mild and wet in winter, through warm and bright in late spring, to hot and busy in high summer, and back to warm and quieter in autumn.

None of the major forecast sites publishes a month-by-month climate view for Kotor, so this table sums up how the year behaves for a visitor. Use it to match your travel style to the season, then confirm the detail in a 10-day forecast close to your date. The pattern holds for the whole bay, from Kotor to Perast and out to the open Adriatic. Conditions in the bay can differ from Budva and the open coast on the same day, because the mountains shelter the bay from wind but hold cloud and rain longer.

Kotor weather by month at a glance

Every month works for something. The choice is between swimming water, walking weather and crowd levels.

MonthWeather characterBest suited to
JanuaryCool and the wettest-adjacent stretch of the year, museum opening hours reducedOld Town, museums, quiet lanes
FebruaryCool with frequent rainOld Town, food, short walks
MarchMilding, spring light returnsWalking the walls, day trips
AprilMild and greener, season openings beginPerast, Our Lady of the Rocks
MayWarm and bright, sea still coolWalking, boat tours, fewer crowds
JuneWarm, sea turning swimmableSwimming, Blue Cave boats
JulyHot and the busiest cruise stretchEarly swimming, shaded Old Town
AugustHot and peak crowdsEarly starts, evening strolls
SeptemberWarm, sea at its best, crowds easingSwimming, boat tours, day trips
OctoberMild and softer light, rain risingWalking, photography, museums
NovemberCooler and wetterOld Town, museums, food
DecemberMild but damp, festive townOld Town, short shore visits

Source: Museums of Kotor.

Is it cold in Kotor?

Kotor rarely gets truly cold, because the bay has a coastal climate, but winter days are damp and cool and evenings in the mountains drop fast.

Compared with most of Europe, Kotor winters are mild. The real chill comes from wind, rain and elevation, not the thermometer. If you head inland to the mountains, expect far colder air than in the bay.

What to pack for each season

For winter visits, bring a waterproof layer and warm mid-layer, because the bay holds moisture. For summer, light clothing and sun protection matter more, since the valley heats up through the day. Shoulder seasons need both, as one recent stretch swung from a 70F high to heavy showers within days.

Is it cold in Montenegro now?

Check a live forecast for the specific town, because coastal Montenegro and the mountain interior can sit in different conditions on the same day.

There is no single answer for all of Montenegro. The coast around Kotor and Budva runs milder than the inland mountains, where a drive of a couple of hours can change the season entirely. If your question is really about a mountain destination such as Lovcen or Durmitor, check that town's forecast separately, since temperatures there run well below the coast. For the open coast west of the bay, Budva needs its own forecast too, because the same front often hits Kotor harder while Budva stays brighter.

Coast versus mountains on one day trip

The Great Montenegro Tour climbs to Lovcen National Park, the Njegos mausoleum, the River of Crnojevic and Sveti Stefan over 11 hours, so it crosses several climates in one day. Pack for the bay and the mountains on that one. National park and mausoleum entrance fees of 16 EUR in total are paid in cash at the agency office, so carry cash regardless of weather.

Tours That Fit

These options cover a calm bay day, a short weather window and a full inland itinerary.

Our Lady of the Rocks church on its islet seen from above with sunlight on the water of the bay from $66 Longest swim

4-Hour Blue Cave, Swimming and Perast Boat Tour

★★★★★ ★★★★★ 4.8(381 reviews)· 4 hours

A four-hour, eight-person speedboat loop from Kotor covering Perast, the submarine tunnel, Mamula and a 40-minute Blue Cave swim with drinks and entrance tickets included.

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Aerial view of the Our Lady of the Rocks islet with boats moored at its jetty and St George island behind from $41 Shortest boat trip

Perast and Our Lady of the Rocks Speedboat Tour (2h)

★★★★★ ★★★★★ 4.7(1,152 reviews)· 2 hours

A 2-hour speedboat trip from Kotor to Perast and Our Lady of the Rocks, for a port day too short for a longer tour.

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Sveti Stefan island village lit at dusk with its sandbar causeway under a pink sky from $105.97

Great Montenegro Tour: Lovcen, Cetinje and Sveti Stefan

★★★★★ ★★★★★ 4.9(692 reviews)· 11 hours

Combines Lovcen, the Njegos Mausoleum, the old royal capital Cetinje, a River Crnojevic boat ride and Sveti Stefan in one 11-hour day.

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Is 1 day in Kotor enough?

One day is enough to see the Old Town and Perast, but two days let you add swimming in the bay or a trip inland without rushing.

The port sits 100 m from the Old Town walls, so a single port day covers a surprising amount on foot. The town walls run 4.5 km, described by the port as the second longest in Europe, and you can walk and climb them in a few hours if the weather holds. Add Perast and Our Lady of the Rocks by boat and the day is full. A 2-hour Perast and Our Lady of the Rocks speedboat tour fits neatly into a port call, and the 4-hour Shore Excursion for Cruise Passengers is built around cruise timings. A second day unlocks the mountain interior. The Kotor Cable Car, Perast and Lady of the Rocks guided tour combines the ridge above the bay with the water below in 4.5 hours, and the Great Montenegro Tour uses a full 11-hour day for Lovcen and the coast.

Plan around your ship's hours

Check your ship's berth time before booking anything long. The bay approach runs 12.8 nautical miles from the pilot station, so tenders and delays eat into shore time. For shorter calls, the Best from Kotor 4-hour Blue Cave, swimming and Old Town Perast tour covers water and town in one outing, priced at $66 per person with free cancellation 24h ahead.

Sources: Port of Kotor, Port of Kotor.

How should you plan around Kotor weather?

Book tours with free cancellation, keep a dry-weather plan and a wet-weather plan, and start early in hot months.

Kotor weather rewards flexible travellers. Every tour on kotor shore excursions carries free cancellation 24h ahead, so you can hold a booking and release it if the forecast turns. In the hot months, do the outdoor climbing and swimming early. In the wetter months, lead with the Old Town and the Perast Museum, which opens Tuesday to Sunday 8 AM to 8 PM from 15 April to 15 October and 10 AM to 4 PM from 15 October to 15 April, closed Mondays and all January. If rain settles in, the museum and the walled lanes keep a port day alive. Watch the daylight too.

The cable car exception

One seasonal closure matters for planners. The cable car operator posts its closures on its own site, so check it before you plan a ride. An adult round trip costs $22.16 (€20) and a one-way $13.30 (€12) per the cable car operator, and an official shuttle bus ran from Kotor Main Bus Station to the lower station.

Until it reopens, the guided tour combining Perast and Our Lady of the Rocks at $133 per person is the closest mix of heights and water.

Sources: Kotor Cable Car, Kotor Cable Car, Museums of Kotor.

Does weather affect cruise logistics in Kotor?

Yes, since tender operations and the bay approach depend on conditions, and entry by sea must use a designated port.

Rough weather can change how your ship reaches the quay. The bay approach is 12.8 nautical miles long, and ships without a berth space use one of three anchorages and come in by tender. Entry rules add one more check. The FCDO advises entering Montenegro by sea only at a designated port or harbour, which the Port of Kotor is, with two berths including berth 1 at 168 m plus 120 m and draughts from 12.8 m to 8.6 m. If you are arriving by private boat rather than a cruise ship, plan to clear at a designated harbour rather than a beach anchorage. Coach logistics are weather proof. Under the KotorBus system, Old Town drop-off and pick-up for coaches uses the Autoboka and Puc parking areas, so rain does not change where your excursion meets.

Weather-proofing your port day

Hold a tour booking with free cancellation, keep the Old Town as your fallback, and carry a light rain layer in the cooler months. UK passport holders can stay in Montenegro without a visa for up to 90 days in any 180-day period, and Montenegro is not part of the Schengen area, which matters if weather forces an unplanned overnight.

Sources: GOV.UK, Port of Kotor, Kotor Bus.

Quiet square in Kotor old town in winter with colourful carnival flags strung over the street

Kotor old town in the winter season, quiet and bright, with carnival flags hanging over the square. Photo: Hibasi, CC BY-SA 4.0, via Wikimedia Commons

Kotor Weather FAQ

What is the warmest month in Kotor?

August and July are the warmest, with average highs near 30°C (86°F) and lows around 22°C (72°F). See the month-by-month table.

Kotor weather forecast 30 days: can I trust one?

No 30-day forecast is reliable anywhere, so plan by the month-by-month guidance above and book tours with free cancellation 24h ahead.

Budva weather: is it different from Kotor?

Yes, Budva sits on the open coast and can be sunnier when cloud sits in the bay, so check Budva's forecast separately if you are heading there on a day trip.

What should I do if it rains on my cruise day in Kotor?

Stay near the port, which is 100 m from the Old Town walls, and use the Perast Museum or the walled lanes, since the museum closes only on Mondays and all January.

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