Monthly Climate
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Best time to visit Nice

September is the best time to visit Nice for general sightseeing, with average highs of 24 °C and about 7 wet days. The comfortable season runs roughly May to October. The sea stays above 20 °C from June to September.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking September comfort 91/100
A beach holiday August sea 25 °C
The least cloud July 34 % average cloud cover
The least rain July 26 mm
Warmth August 27 °C
Cooler weather January 12 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 September 91 24 °C 7 79
2 May 89 21 °C 9 47
3 June 89 24 °C 8 76
4 October 87 20 °C 9 54
5 July 82 27 °C 6 93
6 August 81 27 °C 6 94
7 April 76 17 °C 10 23
8 November 70 15 °C 10 27
9 March 69 15 °C 8 18
10 December 61 12 °C 8 19
11 February 59 12 °C 7 16
12 January 58 12 °C 7 17

For a beach holiday

August scores highest, with a sea temperature of 25 °C and air temperatures around 27 °C. The sea is above 20 °C from June to September.

Month Sea Air Sunshine Beach score
January 14 °C 12 °C 51 % 17
February 13 °C 12 °C 50 % 16
March 14 °C 15 °C 48 % 18
April 15 °C 17 °C 53 % 23
May 18 °C 21 °C 53 % 47
June 21 °C 24 °C 45 % 76
July 24 °C 27 °C 34 % 93
August 25 °C 27 °C 37 % 94
September 22 °C 24 °C 45 % 79
October 20 °C 20 °C 55 % 54
November 17 °C 15 °C 56 % 27
December 15 °C 12 °C 52 % 19

When to think twice

January scores lowest with about 7 wet days and highs near 12 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 11.6 °C 66 mm 51 %
February 12.1 °C 60 mm 50 %
March 14.6 °C 63 mm 48 %
April 16.9 °C 82 mm 53 %
May 20.6 °C 64 mm 53 %
June 24.4 °C 48 mm 45 %
July 27.3 °C 26 mm 34 %
August 27.4 °C 27 mm 37 %
September 23.6 °C 74 mm 45 %
October 19.5 °C 111 mm 55 %
November 15.3 °C 134 mm 56 %
December 12.3 °C 83 mm 52 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.