Best time to visit Aihara

May is the best time to visit Aihara for general sightseeing, with average highs of 21 °C and about 14 wet days. The comfortable season runs roughly May to June.

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 82/100
The least cloud January 42 % average cloud cover
The least rain December 74 mm
Warmth August 28 °C
Cooler weather January 7.7 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 May 82 21 °C 14
2 October 80 20 °C 14
3 June 75 24 °C 17
4 September 74 25 °C 15
5 April 68 17 °C 14
6 November 66 15 °C 10
7 July 62 27 °C 17
8 August 60 28 °C 15
9 December 49 10 °C 8
10 March 46 12 °C 15
11 February 39 8.4 °C 10
12 January 38 7.7 °C 8

When to think twice

January scores lowest with about 8 wet days and highs near 7.7 °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 7.7 °C 83 mm 42 %
February 8.4 °C 88 mm 51 %
March 11.8 °C 151 mm 60 %
April 16.7 °C 150 mm 64 %
May 21.0 °C 162 mm 71 %
June 23.7 °C 212 mm 83 %
July 27.4 °C 206 mm 77 %
August 28.4 °C 166 mm 67 %
September 24.9 °C 241 mm 70 %
October 19.7 °C 240 mm 64 %
November 14.9 °C 107 mm 54 %
December 10.2 °C 74 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.