Montenegro in Summer
In summer (December, January and February), Montenegro sees average daytime highs around 29°C and overnight lows near 20°C, with 448 mm of rain over about 42 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 31% of the time across summer, and the air most often feels muggy.
Summer is Montenegro's weakest season of the year to visit on our travel score. For the whole year in context, see Montenegro's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 448 mm
- 42 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Montenegro in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Montenegro reaches about 29°C and drops to 20°C overnight. The warmest of the three months is January, the coolest December.
Montenegro weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 20° | 164 | 15.3 | 13.7 | 4.6 |
| Feb | 29° / 20° | 141 | 13.9 | 13.1 | 4.7 |
| Mar | 28° / 19° | 126 | 13 | 12.2 | 5.7 |
| Apr | 25° / 16° | 121 | 9.8 | 11.3 | 6.8 |
| May | 22° / 13° | 121 | 9.5 | 10.5 | 6.6 |
| Jun | 20° / 11° | 129 | 10.1 | 10.1 | 6.1 |
| Jul | 19° / 10° | 160 | 10.4 | 10.3 | 6.1 |
| Aug | 21° / 11° | 131 | 10.5 | 10.9 | 6.5 |
| Sep | 22° / 13° | 161 | 11.8 | 11.8 | 6.3 |
| Oct | 24° / 15° | 192 | 13.5 | 12.7 | 6.2 |
| Nov | 27° / 17° | 140 | 11.7 | 13.5 | 6.3 |
| Dec | 29° / 19° | 143 | 13.2 | 13.9 | 5.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 31% of the time across summer.
Chance of precipitation in Summer
Montenegro gets around 448 mm of rain over 42 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 48 min in early December to 12 h 42 min by late February. 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 6.1 kWh/m².
Is summer a good time to visit Montenegro?
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 a reasonable time to visit Montenegro for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Montenegro in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Montenegro sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 42 days see rain.
UV index in Montenegro in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Montenegro peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 10 | 8 | 5 | 3 | 4 | 5 | 8 | 7 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | High | Very high | High | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 8 | Very high |
| May | 5 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | High |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Montenegro in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Montenegro is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 11 | 12 | 15 | 17 | 17 | 19 | 20 | 19 | 13 | 12 | 10 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 11 | Good |
| Mar | 12 | Good |
| Apr | 15 | Moderate |
| May | 17 | Moderate |
| Jun | 17 | Moderate |
| Jul | 19 | Moderate |
| Aug | 20 | Moderate |
| Sep | 19 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Montenegro?
Montenegro sits at 29.7°S, 51.5°W, 21 m above sea level, in Brazil. The nearest listed city is São Sebastião do Caí, 14 km away.
Topography around Montenegro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Montenegro.
Within 3 km, the terrain around Montenegro has only modest variations in elevation — a maximum elevation change of 216 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, large variations in elevation — a maximum elevation change of 935 m.
The land around Montenegro is covered by trees (49%) and artificial surfaces (24%) within 3 km, trees (63%) and grassland (26%) within 16 km, and trees (60%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- 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 Montenegro (-29.6886°, -51.4611°, elevation 21 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.