Monte Carlo in Spring
In spring (March, April and May), Monte Carlo sees average daytime highs around 14°C and overnight lows near 11°C, with 188 mm of precipitation over about 26 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 11°C in early March to 19°C by late May. The sky is clear or mostly clear about 40% of the time across spring, and the air most often feels dry.
Spring is Monte Carlo's 3rd-best season to visit on our travel score. For the whole year in context, see Monte Carlo's year-round climate.
- Avg daytime high
- 14°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Precipitation
- 188 mm
- 26 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.4
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Monte Carlo in Spring
Over the season highs climb from about 11°C in early March to 19°C by late May.
A typical spring day in Monte Carlo reaches about 14°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.
Monte Carlo weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 40% of the time across spring.
Chance of precipitation in Spring
Monte Carlo gets around 188 mm of rain and snow over 26 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 15 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².
Is spring a good time to visit Monte Carlo?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Monte Carlo for sightseeing.
What to pack for Monte Carlo in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Monte Carlo sees daytime highs around 14°C and nights near 11°C. Pack a warm layer and sun protection. Worth having: rain gear. About 26 days see rain.
Sea temperature near Monte Carlo in Spring
The nearest coast averages about 15°C across spring — 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 Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. 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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.