Which is the hottest month in Monte-Carlo?

The hottest time of year in Monte-Carlo is normally July. Expect maximum daytime temperatures to reach 25°C with low heat and humidity.

Which month has the most rain in Monte-Carlo?

In terms of rainfall, October is usually the wettest month in Monte-Carlo with 102mm on average. There are normally 9 days in October with some rain.

When is it sunniest in Monte-Carlo?

The sunniest time of year in Monte-Carlo is normally July with bright sunshine on average for 67% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Monte-Carlo?

The sea is usually at its warmest in Monte-Carlo in August when the water temperature reaches 24°C.

Best time to visit Monte-Carlo

Q: When is the best time to visit Monte-Carlo?

The best times to visit Monte-Carlo, Monaco are in July, August and September Maximum daytime temperature = 22 - 30°C.

The best times to visit Monte-Carlo, Monaco are in July, August and September based on our default weather conditions. Update your weather preferences to see which months best match.

Monte-Carlo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Monaco

Jet2holidays: £100pp off 2026 holidays

Discount Code

Save £100 per person on holidays (£200 per couple)
Book online with latest Jet2holiday promo code
Travel before 31st October 2026 (inclusive)

Show discount code

******MER

Redeem Jet2holidays discount code >>

Expires at 23:59 on Thursday 30th Apr 2026 · View all Jet2holidays offers

When is the best time to visit Monte-Carlo?

The best times to visit Monte-Carlo, Monaco are in July, August and September based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0
Mar
0
Apr
2
May
4
Jun
5
Jul
5
Aug
5
Sep
2
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°F)

50
Jan
50
Feb
54
Mar
57
Apr
64
May
70
Jun
77
Jul
77
Aug
72
Sep
64
Oct
55
Nov
52
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Monaco, represented by Monte-Carlo, (Monte-Carlo) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)