Monthly Climate
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Best time to visit Toyama

May is the best time to visit Toyama for general sightseeing, with average highs of 21 °C and about 14 wet days. The comfortable season runs roughly May to June. The sea stays above 20 °C from July 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 81/100
A beach holiday July sea 24 °C
The least cloud April 60 % average cloud cover
The least rain April 149 mm
Warmth August 29 °C
Cooler weather January 3.6 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 May 81 21 °C 14 30
2 June 78 24 °C 15 56
3 October 77 19 °C 14 48
4 September 75 24 °C 16 71
5 July 62 27 °C 18 74
6 August 61 29 °C 15 73
7 April 61 15 °C 14 7
8 November 50 13 °C 17 18
9 March 27 8.3 °C 18 0
10 December 19 7.1 °C 22 6
11 February 16 4.3 °C 19 0
12 January 14 3.6 °C 22 0

For a beach holiday

July scores highest, with a sea temperature of 24 °C and air temperatures around 27 °C. The sea is above 20 °C from July to October.

Month Sea Air Sunshine Beach score
January 13 °C 3.6 °C 70 % 0
February 11 °C 4.3 °C 68 % 0
March 10 °C 8.3 °C 64 % 0
April 11 °C 15 °C 60 % 7
May 15 °C 21 °C 62 % 30
June 20 °C 24 °C 74 % 56
July 24 °C 27 °C 72 % 74
August 27 °C 29 °C 61 % 73
September 25 °C 24 °C 66 % 71
October 22 °C 19 °C 60 % 48
November 19 °C 13 °C 60 % 18
December 16 °C 7.1 °C 68 % 6

When to think twice

January scores lowest with about 22 wet days and highs near 3.6 °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 3.6 °C 201 mm 70 %
February 4.3 °C 161 mm 68 %
March 8.3 °C 173 mm 64 %
April 15.5 °C 149 mm 60 %
May 20.7 °C 153 mm 62 %
June 23.9 °C 199 mm 74 %
July 27.5 °C 270 mm 72 %
August 28.8 °C 180 mm 61 %
September 24.5 °C 218 mm 66 %
October 18.9 °C 178 mm 60 %
November 13.4 °C 167 mm 60 %
December 7.1 °C 206 mm 68 %

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.