San Carlos Weather in May
What's the weather like in San Carlos (Río San Juan) in May 2025?
The climate in San Carlos during May can be summarized as hot, humid and wet.
May is in the spring in San Carlos and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.5°C 88.6°F |
|---|---|
| Nightly temperature | 23.8°C 74.8°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 167 mm 6.6 ins |
| Rainy days | 17 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 79% |
| Windspeed | 9.7kph 6 mph |
On average May is the 6th driest month of the year in San Carlos with around 167mm 6.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
May temperatures in San Carlos
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 San Carlos in May 2025.
Other monthly averages
San Carlos weather stats
| Hottest month: | April | 32.2°C 90°F |
|---|---|---|
| Driest month: | March | 25mm 1ins |
| Sunniest month: | May | 7.7hrs |
| Coldest month: | November | 29°C 84.2°F |
| Wettest month: | July | 323mm 12.7ins |
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