The climate in General San Martín during May can be summarized as mild and dry.
May is in the fall / autumn in General San Martín and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 5°C (40°F) is normal.
| Daytime temperature | 16.9°C 62.4°F |
|---|---|
| Nightly temperature | 4.5°C 40.1°F |
| Average temperature | 10.7°C 51.3°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 28 mm 1.1 ins |
| Rainy days | 5 days |
| Sea temperature | 14.6°C 58.3°F |
| Humidity | 74% |
| Windspeed | 10.8kph 7 mph |
On average May is the 3rd driest month of the year in General San Martín with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
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 General San Martín in May 2025.
| Hottest month: | January | 31.1°C 88°F |
|---|---|---|
| Driest month: | August | 19mm 0.7ins |
| Sunniest month: | February | 10.6hrs |
| Coldest month: | July | 13.2°C 55.8°F |
| Wettest month: | March | 83mm 3.3ins |