Monte Carlo in Winter
In winter (December, January and February), Monte Carlo sees average daytime highs around 10°C and overnight lows near 8°C, with 212 mm of precipitation over about 24 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 10°C. The sky is clear or mostly clear about 41% of the time across winter, and the air most often feels dry.
Winter is Monte Carlo's weakest season of the year to visit on our travel score. For the whole year in context, see Monte Carlo's year-round climate.
- Avg daytime high
- 10°C
- coldest season of the year
- Avg overnight low
- 8°C
- Precipitation
- 212 mm
- 24 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Monte Carlo in Winter
Across winter, daytime highs hold fairly steady around 10°C.
A typical winter day in Monte Carlo reaches about 10°C and drops to 8°C overnight. The warmest of the three months is December, the coolest February.
Monte Carlo weather by month
How the three winter 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 10° / 7° | 68 | 8.1 | 2.1 | 9.1 | 2.4 |
| Feb | 10° / 7° | 57 | 7.4 | 2 | 10.2 | 2.4 |
| Mar | 12° / 9° | 62 | 7.2 | 1.4 | 11.6 | 3.4 |
| Apr | 14° / 11° | 74 | 9.5 | 0.5 | 13.2 | 4.1 |
| May | 17° / 14° | 52 | 9.2 | 0 | 14.5 | 5.7 |
| Jun | 21° / 18° | 40 | 7.5 | 0 | 15.2 | 7.2 |
| Jul | 24° / 21° | 21 | 5.4 | 0 | 14.9 | 8.1 |
| Aug | 24° / 21° | 21 | 5.1 | 0 | 13.8 | 8.2 |
| Sep | 21° / 18° | 65 | 7.3 | 0 | 12.3 | 7.1 |
| Oct | 17° / 15° | 102 | 8.9 | 0.1 | 10.8 | 5.8 |
| Nov | 14° / 11° | 129 | 10.1 | 0.7 | 9.5 | 4.0 |
| Dec | 11° / 8° | 87 | 8.6 | 1.8 | 8.8 | 2.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 41% of the time across winter.
Chance of precipitation in Winter
Monte Carlo gets around 212 mm of rain and snow over 24 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 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 hours in early December to 10 h 48 min by late February. 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 2.1 kWh/m².
Is winter a good time to visit Monte Carlo?
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 weaker month for outdoor sightseeing in Monte Carlo.
What to pack for Monte Carlo in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Monte Carlo sees daytime highs around 10°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 24 days see rain.
Sea temperature near Monte Carlo in Winter
The nearest coast averages about 14°C across winter — 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 25°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 7 to Oct 13 — about 4.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 15 | 18 | 21 | 24 | 25 | 22 | 20 | 17 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Warm | Refreshing | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Bracing |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 22 | Refreshing |
| Oct | 20 | Cool |
| Nov | 17 | Cool |
| Dec | 15 | Cool |
UV index in Monte Carlo in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Monte Carlo peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 4 | 7 | 6 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | Very high |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Monte Carlo 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 Monte Carlo is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 14 | 16 | 15 | 14 | 14 | 13 | 13 | 11 | 12 | 10 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 15 | Moderate |
| May | 14 | Moderate |
| Jun | 14 | Moderate |
| Jul | 13 | Moderate |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 12 | Moderate |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Monte Carlo?
Monte Carlo sits at 43.7°N, 7.4°E, 45 m above sea level, in Monaco. The nearest listed city is Monaco, 1.0 km away.
Topography around Monte Carlo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Monte Carlo.
Within 3 km, the terrain around Monte Carlo has large variations in elevation — a maximum elevation change of 999 m around an average of 198 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,368 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,195 m.
The land around Monte Carlo is covered by water (45%) and trees (26%) within 3 km, water (50%) and trees (36%) within 16 km, and trees (48%) and water (32%) within 80 km.
Monaco travel facts
- Power plugs
- Type C / E
- 230 V · 50 Hz
- GDP per capita
- $288,002
- 2024
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 3.1
- per 100k, 2001
- Road deaths
- 0
- per 100k/yr, 2013
- Income group
- High
- 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 Monte Carlo (43.7398°, 7.4273°, elevation 45 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.