San Juan Weather in June
What's the weather like in San Juan (Alajuela) in June 2024?
The climate in San Juan during June can be summarized as warm, humid and very wet.
June is in the summer in San Juan and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (78°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 25.3°C 77.5°F |
|---|---|
| Nightly temperature | 17.7°C 63.9°F |
| Average temperature | 21.5°C 70.7°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 400 mm 15.7 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 Juan with around 400mm 15.7 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 6.8 hours of sunshine per day.
June temperatures in San Juan
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 Juan in June 2024.
Other monthly averages
San Juan weather stats
| Hottest month: | April | 26.4°C 79.5°F |
|---|---|---|
| Driest month: | February | 15mm 0.6ins |
| Sunniest month: | February | 7.7hrs |
| Coldest month: | January | 24.1°C 75.4°F |
| Wettest month: | September | 498mm 19.6ins |
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