La Asunción Weather in May
What's the weather like in La Asunción (Heredia) in May 2025?
The climate in La Asunción during May can be summarized as hot, humid and very wet.
May is in the spring in La Asunción and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 27.8°C 82°F |
|---|---|
| Nightly temperature | 20°C 68°F |
| Average temperature | 23.9°C 75°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 264 mm 10.4 ins |
| Rainy days | 19 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 81% |
| Windspeed | 12.2kph 8 mph |
On average May is the 3rd wettest month of the year in La Asunción with around 264mm 10.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
May temperatures in La Asunción
May rainfall
May 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 La Asunción in May 2025.
Other monthly averages
La Asunción weather stats
| Hottest month: | April | 28.6°C 83.5°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | February | 8.9hrs |
| Coldest month: | October | 26.2°C 79.2°F |
| Wettest month: | September | 332mm 13.1ins |
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