Monthly Climate
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Best time to visit San José

February is the best time to visit San José for general sightseeing, with average highs of 26 °C and about 10 wet days. The comfortable season runs roughly December to March.

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 February comfort 84/100
The least cloud February 49 % average cloud cover
The least rain March 61 mm
Warmth April 27 °C
Cooler weather November 23 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days
1 February 84 26 °C 10
2 January 83 24 °C 12
3 March 79 26 °C 12
4 December 76 24 °C 17
5 April 71 27 °C 17
6 November 70 23 °C 26
7 July 69 24 °C 28
8 October 69 24 °C 30
9 August 69 24 °C 28
10 September 68 24 °C 29
11 June 68 24 °C 29
12 May 67 25 °C 28

When to think twice

May scores lowest with about 28 wet days and highs near 25 °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 24.5 °C 95 mm 53 %
February 25.5 °C 66 mm 49 %
March 26.5 °C 61 mm 54 %
April 26.5 °C 99 mm 69 %
May 24.9 °C 355 mm 89 %
June 24.3 °C 383 mm 92 %
July 24.1 °C 297 mm 90 %
August 24.2 °C 352 mm 90 %
September 24.1 °C 400 mm 90 %
October 23.6 °C 432 mm 91 %
November 23.3 °C 319 mm 84 %
December 23.7 °C 163 mm 63 %

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.