Monthly Climate
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Best time to visit Fujisawa

October is the best time to visit Fujisawa for general sightseeing, with average highs of 20 °C and about 12 wet days. The comfortable season runs roughly May to June. The sea stays above 20 °C from June to November.

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 October comfort 82/100
A beach holiday August sea 26 °C
The least cloud January 42 % average cloud cover
The least rain December 67 mm
Warmth August 28 °C
Cooler weather January 8.8 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 October 82 20 °C 12 59
2 May 80 20 °C 12 45
3 June 75 23 °C 15 57
4 November 75 16 °C 9 43
5 September 72 25 °C 14 74
6 April 69 16 °C 12 24
7 July 66 26 °C 14 75
8 August 62 28 °C 13 80
9 December 59 11 °C 7 33
10 March 51 12 °C 13 10
11 January 48 8.8 °C 8 24
12 February 47 9.3 °C 9 17

For a beach holiday

August scores highest, with a sea temperature of 26 °C and air temperatures around 28 °C. The sea is above 20 °C from June to November.

Month Sea Air Sunshine Beach score
January 16 °C 8.8 °C 42 % 24
February 15 °C 9.3 °C 51 % 17
March 16 °C 12 °C 59 % 10
April 17 °C 16 °C 62 % 24
May 19 °C 20 °C 69 % 45
June 21 °C 23 °C 81 % 57
July 24 °C 26 °C 74 % 75
August 26 °C 28 °C 64 % 80
September 25 °C 25 °C 67 % 74
October 23 °C 20 °C 61 % 59
November 21 °C 16 °C 53 % 43
December 18 °C 11 °C 43 % 33

When to think twice

February scores lowest with about 9 wet days and highs near 9.3 °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 8.8 °C 76 mm 42 %
February 9.3 °C 78 mm 51 %
March 12.0 °C 133 mm 59 %
April 16.2 °C 125 mm 62 %
May 20.0 °C 141 mm 69 %
June 22.7 °C 184 mm 81 %
July 26.1 °C 169 mm 74 %
August 27.6 °C 124 mm 64 %
September 25.0 °C 202 mm 67 %
October 20.3 °C 206 mm 61 %
November 15.8 °C 96 mm 53 %
December 11.3 °C 67 mm 43 %

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.