San Marcos Weather in May
What's the weather like in San Marcos (San José) in May 2024?
The climate in San Marcos during May can be summarized as hot, humid and very wet.
May is in the spring in San Marcos and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 27.1°C 80.8°F |
|---|---|
| Nightly temperature | 19.3°C 66.7°F |
| Average temperature | 23.2°C 73.8°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 325 mm 12.8 ins |
| Rainy days | 19 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 83% |
| Windspeed | 11.5kph 7 mph |
On average May is the 5th wettest month of the year in San Marcos with around 325mm 12.8 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 San Marcos
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 Marcos in May 2024.
Other monthly averages
San Marcos weather stats
| Hottest month: | April | 27.4°C 81.3°F |
|---|---|---|
| Driest month: | January | 6mm 0.2ins |
| Sunniest month: | March | 8.1hrs |
| Coldest month: | December | 25.4°C 77.7°F |
| Wettest month: | October | 442mm 17.4ins |
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