San José Weather in June
What's the weather like in San José (San José) in June 2025?
The climate in San José during June can be summarized as warm, humid and very wet.
June is in the summer in San José and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (76°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 24.7°C 76.4°F |
|---|---|
| Nightly temperature | 17.2°C 62.9°F |
| Average temperature | 20.9°C 69.6°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 296 mm 11.7 ins |
| Rainy days | 24 days |
| Sea temperature | 28.9°C 84°F |
| Humidity | 83% |
| Windspeed | 11.5kph 7 mph |
On average June is the 3rd wettest month of the year in San José with around 296mm 11.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
June temperatures in San José
June rainfall
June hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San José in June 2025.
Other monthly averages
San José weather stats
| Hottest month: | May | 25°C 77°F |
|---|---|---|
| Driest month: | January | 7mm 0.3ins |
| Sunniest month: | March | 7.6hrs |
| Coldest month: | January | 22.9°C 73.2°F |
| Wettest month: | September | 372mm 14.6ins |
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