Kotor in Summer
In summer (June, July and August), Kotor sees average daytime highs around 25°C and overnight lows near 17°C, with 258 mm of rain over about 34 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 21°C in early June to 25°C by late August. The sky is clear or mostly clear about 67% of the time across summer, and the air most often feels humid.
Summer is Kotor's best season of the year to visit on our travel score. For the whole year in context, see Kotor's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 258 mm
- 34 wet days
- Avg wind
- 6 km/h
- Travel score
- 7.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Kotor in Summer
Over the season highs climb from about 21°C in early June to 25°C by late August.
A typical summer day in Kotor reaches about 25°C and drops to 17°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Kotor
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Kotor weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 1° | 229 | 13 | 5.5 | 9.3 | 0.8 |
| Feb | 8° / 2° | 223 | 12.7 | 5.4 | 10.3 | 1.3 |
| Mar | 11° / 4° | 207 | 12.7 | 3.8 | 11.6 | 2.7 |
| Apr | 15° / 7° | 181 | 14.5 | 1 | 13.1 | 4.0 |
| May | 19° / 11° | 152 | 14.7 | 0 | 14.4 | 5.6 |
| Jun | 23° / 15° | 100 | 12.4 | 0 | 15 | 6.8 |
| Jul | 26° / 18° | 73 | 10.6 | 0 | 14.8 | 7.2 |
| Aug | 26° / 18° | 85 | 10.9 | 0 | 13.7 | 7.0 |
| Sep | 22° / 14° | 212 | 11.2 | 0 | 12.3 | 6.6 |
| Oct | 17° / 10° | 242 | 11.5 | 0.2 | 10.8 | 5.6 |
| Nov | 13° / 6° | 336 | 13.8 | 0.9 | 9.6 | 3.2 |
| Dec | 8° / 3° | 296 | 13.9 | 3.9 | 9 | 1.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 67% of the time across summer.
Chance of precipitation in Summer
Kotor gets around 258 mm of rain over 34 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 54 min in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².
Is summer a good time to visit Kotor?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Kotor for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Kotor in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kotor sees daytime highs around 25°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 34 days see rain.
Sea temperature near Kotor in Summer
The nearest coast averages about 25°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from May 26 to Oct 29 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 19 | 23 | 25 | 26 | 24 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 19 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Kotor in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kotor peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Kotor?
Kotor sits at 42.4°N, 18.8°E, 0 m above sea level, in Montenegro. The nearest listed city is Tivat, 6.0 km away.
Topography around Kotor
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kotor.
Within 3 km, the terrain around Kotor has very significant variations in elevation — a maximum elevation change of 1,404 m around an average of 420 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,739 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,530 m.
The land around Kotor is covered by trees (64%) within 3 km, trees (56%) within 16 km, and trees (42%), water (30%) and grassland (21%) within 80 km.
Montenegro travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 42% of US
- price level, 2025
- GDP per capita
- $14,817
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 86%
- of population, 2024
- Homicide rate
- 0.8
- per 100k, 2023
- Road deaths
- 7.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kotor (42.4207°, 18.7682°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.