San Antonio Weather in May
What's the weather like in San Antonio (Catamarca) in May 2025?
The climate in San Antonio during May can be summarized as mild and dry.
May is in the fall / autumn in San Antonio and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 20.4°C 68.6°F |
|---|---|
| Nightly temperature | 6.3°C 43.3°F |
| Average temperature | 13.3°C 55.9°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 19 mm 0.7 ins |
| Rainy days | 3 days |
| Sea temperature | 18°C 64.4°F |
| Humidity | 65% |
| Windspeed | 7.2kph 5 mph |
On average May is the 5th driest month of the year in San Antonio with around 19mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 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 Antonio
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 Antonio in May 2024.
Other monthly averages
San Antonio weather stats
| Hottest month: | January | 30.5°C 86.9°F |
|---|---|---|
| Driest month: | July | 10mm 0.4ins |
| Sunniest month: | August | 9.3hrs |
| Coldest month: | June | 16.1°C 61°F |
| Wettest month: | January | 109mm 4.3ins |
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