Monaco Climate & Monthly Averages
Monaco has a Mediterranean climate. July is the hottest month, averaging 83° by day; January is the coldest at 54°.
Sunshine is a defining feature of Monaco's climate
Monaco runs on a dry-summer rhythm: the warmest months are also the driest. July averages 13 mm (0.5 in) while the wet season peaks in October at 4.9 inches (125 mm). Highs range from 54°F (12°C) to 83°F (29°C).
How sun, temperature and rain fit together
Snow falls on roughly 2 days a year, mostly February through March. At its warmest, in July, Monaco runs to 83°F (29°C) in the afternoon and back to 71°F (22°C) by dawn. January is the coolest month, with highs of 54°F (12°C) and lows near 42°F (5°C). Days and nights are about 7°C apart on average - narrower than about 82% of the cities we track.
The wettest month is October (4.9 inches (125 mm) across 9 days) and the driest July. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June. The gridded 2015-2024 daily record for this location tops out at 94°F (35°C) and bottoms at 30°F (-1°C) - decade extremes, not all-time station records.
More climate facts for Monaco
- Hottest month: July - highs near 83°F (29°C)
- Coldest month: January - highs near 54°F (12°C)
- Decade extremes (2015-2024): 94°F (35°C) high · 30°F (-1°C) low
- Wettest month: October (9 rainy days) · Sunniest: July (14.2 h sun/day)
- Climate type: Mediterranean
- Annual swing: 17°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 2 days a year
- Average humidity: 70%
The most comfortable sunny-weather window
Best time to visit Monaco
Aim for June to September and March to April if you get the choice: the dry season is running but the afternoons are still bearable, and highs average 74°F (23°C) against roughly 6 wet days a month. For the same question asked the other way round, see where else is warm in June.
What to pack
Pack for Monaco with light clothing for the warm months and a warm jacket and layers for the cooler season. Even in July, lows of 71°F (22°C) make an extra layer worth the space.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 54° | 42° | 6 | 1.9 in | 7.4 h/day | 9.3 h | 18% | 69% |
| February | 56° | 44° | 7 | 2.8 in | 8.2 h/day | 10.4 h | 25% | 70% |
| March | 59° | 46° | 6 | 2.8 in | 9.7 h/day | 11.8 h | 20% | 67% |
| April | 64° | 51° | 8 | 2.3 in | 11.0 h/day | 13.4 h | 26% | 68% |
| May | 70° | 58° | 9 | 2.4 in | 12.0 h/day | 14.7 h | 28% | 72% |
| June | 78° | 66° | 8 | 1.6 in | 13.7 h/day | 15.4 h | 25% | 72% |
| July | 83° | 71° | 3 | 0.5 in | 14.2 h/day | 15.1 h | 10% | 69% |
| August | 84° | 71° | 5 | 1.0 in | 12.7 h/day | 14.0 h | 15% | 65% |
| September | 77° | 65° | 7 | 2.2 in | 10.9 h/day | 12.4 h | 23% | 67% |
| October | 70° | 58° | 9 | 4.9 in | 8.7 h/day | 10.9 h | 29% | 74% |
| November | 62° | 49° | 9 | 4.3 in | 7.5 h/day | 9.6 h | 29% | 71% |
| December | 56° | 44° | 6 | 3.0 in | 7.2 h/day | 8.9 h | 21% | 72% |
Monaco month by month
Each card shows the average high and low. The bar places that month between Monaco's coldest night and warmest afternoon.
January
- Rain
- 6 days
- Sunshine
- 7.4 h
- Daylight
- 9.3 h
February
- Rain
- 7 days
- Sunshine
- 8.2 h
- Daylight
- 10.4 h
- Snow
- 1 day
March
- Rain
- 6 days
- Sunshine
- 9.7 h
- Daylight
- 11.8 h
April
- Rain
- 8 days
- Sunshine
- 11.0 h
- Daylight
- 13.4 h
May
- Rain
- 9 days
- Sunshine
- 12.0 h
- Daylight
- 14.7 h
June
- Rain
- 8 days
- Sunshine
- 13.7 h
- Daylight
- 15.4 h
July
- Rain
- 3 days
- Sunshine
- 14.2 h
- Daylight
- 15.1 h
August
- Rain
- 5 days
- Sunshine
- 12.7 h
- Daylight
- 14.0 h
September
- Rain
- 7 days
- Sunshine
- 10.9 h
- Daylight
- 12.4 h
October
- Rain
- 9 days
- Sunshine
- 8.7 h
- Daylight
- 10.9 h
November
- Rain
- 9 days
- Sunshine
- 7.5 h
- Daylight
- 9.6 h
December
- Rain
- 6 days
- Sunshine
- 7.2 h
- Daylight
- 8.9 h
Looking for warmer alternatives? Browse warm places by month, or compare Monaco's coolest part of the year: January, February, December.
Seasonal weather under Monaco's sunnier skies
Spring (March through May)
Spring in Monaco stays on the cool side of mild, with daytime highs averaging 64°F (18°C) and nights around 51°F (11°C); expect showers on roughly 23 days across the season. Daylight is generous - around 10.9 hours of sun a day.
Summer (June through August)
Summer runs hot here - highs near 82°F (28°C), nights near 70°F (21°C), and rain comes on about 15 days over the three months. Daylight is generous - around 13.5 hours of sun a day.
Fall (September through November)
Fall brings comfortable warmth here - highs near 69°F (21°C), nights near 57°F (14°C), and expect showers on roughly 25 days across the season.
Winter (December through February)
Winter in Monaco is crisp but comfortable, with daytime highs averaging 56°F (13°C) and nights around 43°F (6°C); expect showers on roughly 19 days across the season.
How unusual is Monaco?
- Monaco sits close to the middle of our dataset on most measures: 62°F (16°C) as an annual average, 29.6 inches (753 mm) of precipitation and 10.3 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Monaco temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.