Monthly Climate
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Best time to visit Nishinomiya

October is the best time to visit Nishinomiya for general sightseeing, with average highs of 22 °C and about 10 wet days. The comfortable season runs roughly April to May. 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 88/100
A beach holiday September sea 26 °C
The least cloud December 48 % average cloud cover
The least rain January 57 mm
Warmth August 31 °C
Cooler weather January 8.3 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 October 88 22 °C 10 69
2 May 88 23 °C 10 55
3 April 80 18 °C 10 29
4 November 76 16 °C 7 44
5 June 74 26 °C 14 69
6 September 70 27 °C 13 79
7 March 56 13 °C 10 10
8 July 56 30 °C 15 73
9 December 54 11 °C 7 27
10 August 54 31 °C 13 71
11 February 46 9.2 °C 7 16
12 January 44 8.3 °C 6 19

For a beach holiday

September scores highest, with a sea temperature of 26 °C and air temperatures around 27 °C. The sea is above 20 °C from June to October.

Month Sea Air Sunshine Beach score
January 14 °C 8.3 °C 51 % 19
February 13 °C 9.2 °C 55 % 16
March 13 °C 13 °C 57 % 10
April 15 °C 18 °C 59 % 29
May 18 °C 23 °C 65 % 55
June 21 °C 26 °C 78 % 69
July 25 °C 30 °C 71 % 73
August 27 °C 31 °C 59 % 71
September 26 °C 27 °C 61 % 79
October 23 °C 22 °C 53 % 69
November 20 °C 16 °C 50 % 44
December 17 °C 11 °C 48 % 27

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 57 mm 51 %
February 9.2 °C 69 mm 55 %
March 12.8 °C 110 mm 57 %
April 18.2 °C 128 mm 59 %
May 23.0 °C 149 mm 65 %
June 26.3 °C 203 mm 78 %
July 29.7 °C 206 mm 71 %
August 31.3 °C 132 mm 59 %
September 27.5 °C 194 mm 61 %
October 21.8 °C 164 mm 53 %
November 16.2 °C 83 mm 50 %
December 10.7 °C 66 mm 48 %

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.