Santa Bárbara Weather in May
What's the weather like in Santa Bárbara (Potosí) in May 2026?
The climate in Santa Bárbara during May can be summarized as cool and very dry.
May is in the fall / autumn in Santa Bárbara and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night -4°C (25°F) is normal.
| Daytime temperature | 15.4°C 59.7°F |
|---|---|
| Nightly temperature | -3.8°C 25.2°F |
| Average temperature | 5.8°C 42.4°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 1 mm 0 ins |
| Rainy days | 0 days |
| Sea temperature | 20.6°C 69.1°F |
| Humidity | 34% |
| Windspeed | 12.2kph 8 mph |
On average May is the 2nd driest month of the year in Santa Bárbara with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
May temperatures in Santa Bárbara
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 Santa Bárbara in May 2025.
Other monthly averages
Santa Bárbara weather stats
| Hottest month: | January | 16.5°C 61.7°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | August | 10.1hrs |
| Coldest month: | July | 13°C 55.4°F |
| Wettest month: | January | 55mm 2.2ins |
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