Montecarlo in Winter
In winter (June, July and August), Montecarlo sees average daytime highs around 22°C and overnight lows near 12°C, with 394 mm of rain over about 27 wet days across the season. It is the coldest 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 45% of the time across winter, and the air most often feels dry.
Winter is Montecarlo's best season of the year to visit on our travel score. For the whole year in context, see Montecarlo's year-round climate.
- Avg daytime high
- 22°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 394 mm
- 27 wet days
- Avg wind
- 9 km/h
- Travel score
- 7.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Montecarlo in Winter
Over the season highs climb from about 21°C in early June to 25°C by late August.
A typical winter day in Montecarlo reaches about 22°C and drops to 12°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Montecarlo
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Montecarlo weather by month
How the three winter 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 21° | 170 | 15.7 | 13.5 | 3.8 |
| Feb | 31° / 21° | 172 | 15.1 | 12.9 | 4.0 |
| Mar | 30° / 20° | 149 | 13 | 12.2 | 4.9 |
| Apr | 27° / 17° | 150 | 10.1 | 11.4 | 6.5 |
| May | 23° / 14° | 172 | 9.7 | 10.7 | 6.9 |
| Jun | 21° / 13° | 162 | 9.7 | 10.4 | 6.6 |
| Jul | 21° / 12° | 135 | 9.4 | 10.5 | 6.8 |
| Aug | 24° / 13° | 97 | 7.8 | 11.1 | 7.5 |
| Sep | 26° / 15° | 166 | 10.5 | 11.8 | 6.8 |
| Oct | 28° / 17° | 222 | 13.8 | 12.6 | 5.8 |
| Nov | 29° / 18° | 176 | 11.8 | 13.3 | 5.2 |
| Dec | 31° / 20° | 199 | 14.8 | 13.6 | 4.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 45% of the time across winter.
Chance of precipitation in Winter
Montecarlo gets around 394 mm of rain over 27 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 30 min in early June to 11 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.2 kWh/m².
Is winter a good time to visit Montecarlo?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Montecarlo for sightseeing.
What to pack for Montecarlo in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Montecarlo sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes and rain gear. About 27 days see rain.
UV index in Montecarlo in Winter
Clear-sky midday UV across winter averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Montecarlo peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (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) | 15 | 14 | 12 | 8 | 6 | 5 | 5 | 6 | 7 | 9 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 7 | Very high |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Air quality in Montecarlo in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Montecarlo is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 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) | 8 | 8 | 7 | 8 | 8 | 8 | 10 | 14 | 20 | 13 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 10 | Good |
| Aug | 14 | Moderate |
| Sep | 20 | Moderate |
| Oct | 13 | Moderate |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Montecarlo?
Montecarlo sits at 26.6°S, 54.8°W, 197 m above sea level, in Argentina. The nearest listed city is Eldorado, 23 km away.
Topography around Montecarlo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Montecarlo.
Within 3 km, the terrain around Montecarlo has only modest variations in elevation — a maximum elevation change of 158 m around an average of 190 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 342 m; within 80 km, large variations in elevation — a maximum elevation change of 641 m.
The land around Montecarlo is covered by trees (76%) within 3 km, trees (65%) within 16 km, and trees (68%) and cropland (24%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- 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 Montecarlo (-26.5685°, -54.7579°, elevation 197 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.