Monthly Climate
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Best time to visit Akashi

October is the best time to visit Akashi for general sightseeing, with average highs of 21 °C and about 9 wet days. 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 October comfort 89/100
A beach holiday August sea 27 °C
The least cloud December 47 % average cloud cover
The least rain January 50 mm
Warmth August 30 °C
Cooler weather January 8.3 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 October 89 21 °C 9 69
2 May 87 21 °C 9 51
3 June 77 25 °C 13 68
4 November 77 16 °C 7 44
5 April 76 17 °C 10 26
6 September 71 26 °C 12 80
7 July 60 28 °C 13 78
8 August 59 30 °C 11 81
9 March 56 12 °C 10 11
10 December 55 11 °C 6 28
11 February 47 9.1 °C 7 16
12 January 45 8.3 °C 6 20

For a beach holiday

August scores highest, with a sea temperature of 27 °C and air temperatures around 30 °C. The sea is above 20 °C from June to October.

Month Sea Air Sunshine Beach score
January 14 °C 8.3 °C 51 % 20
February 13 °C 9.1 °C 54 % 16
March 14 °C 12 °C 57 % 11
April 15 °C 17 °C 58 % 26
May 18 °C 21 °C 64 % 51
June 21 °C 25 °C 77 % 68
July 25 °C 28 °C 70 % 78
August 27 °C 30 °C 58 % 81
September 26 °C 26 °C 59 % 80
October 23 °C 21 °C 51 % 69
November 20 °C 16 °C 48 % 44
December 17 °C 11 °C 47 % 28

When to think twice

January scores lowest with about 6 wet days and highs near 8.3 °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 8.3 °C 50 mm 51 %
February 9.1 °C 63 mm 54 %
March 12.3 °C 100 mm 57 %
April 17.1 °C 118 mm 58 %
May 21.4 °C 137 mm 64 %
June 24.7 °C 183 mm 77 %
July 28.0 °C 189 mm 70 %
August 29.5 °C 117 mm 58 %
September 26.4 °C 194 mm 59 %
October 21.2 °C 152 mm 51 %
November 15.9 °C 74 mm 48 %
December 10.6 °C 62 mm 47 %

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.