Monthly Climate
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Best time to visit Naples

May is the best time to visit Naples for general sightseeing, with average highs of 22 °C and about 8 wet days. The comfortable season runs roughly May to June. The sea stays above 20 °C from June to October.

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 May comfort 91/100
A beach holiday July sea 25 °C
The least cloud July 20 % average cloud cover
The least rain July 19 mm
Warmth August 30 °C
Cooler weather January 12 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 May 91 22 °C 8 58
2 June 89 26 °C 5 91
3 October 87 21 °C 11 63
4 September 86 25 °C 9 85
5 July 79 29 °C 4 97
6 April 76 18 °C 11 26
7 August 76 30 °C 4 96
8 November 71 17 °C 13 32
9 March 65 15 °C 11 12
10 December 57 13 °C 12 17
11 February 56 12 °C 11 10
12 January 55 12 °C 11 13

For a beach holiday

July scores highest, with a sea temperature of 25 °C and air temperatures around 29 °C. The sea is above 20 °C from June to October.

Month Sea Air Sunshine Beach score
January 15 °C 12 °C 56 % 13
February 14 °C 12 °C 53 % 10
March 14 °C 15 °C 54 % 12
April 16 °C 18 °C 54 % 26
May 19 °C 22 °C 47 % 58
June 23 °C 26 °C 33 % 91
July 25 °C 29 °C 20 % 97
August 26 °C 30 °C 22 % 96
September 24 °C 25 °C 41 % 85
October 22 °C 21 °C 50 % 63
November 19 °C 17 °C 58 % 32
December 17 °C 13 °C 55 % 17

When to think twice

January scores lowest with about 11 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 12.0 °C 107 mm 56 %
February 12.4 °C 102 mm 53 %
March 14.8 °C 103 mm 54 %
April 17.6 °C 96 mm 54 %
May 21.7 °C 63 mm 47 %
June 25.9 °C 34 mm 33 %
July 28.9 °C 19 mm 20 %
August 29.5 °C 23 mm 22 %
September 25.3 °C 90 mm 41 %
October 21.2 °C 134 mm 50 %
November 16.7 °C 174 mm 58 %
December 13.0 °C 134 mm 55 %

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.