The climate in Santa Ana during May can be summarized as hot, humid and reasonably dry.
May is in the fall / autumn in Santa Ana and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (88°F), whilst at night 19°C (66°F) is normal.
Daytime temperature | 31.2°C 88.1°F |
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Nightly temperature | 18.7°C 65.6°F |
Average temperature | 24.9°C 76.8°F |
Daily sunshine | 4.1 hrs |
Avg rainfall | 77 mm 3 ins |
Rainy days | 9 days |
Sea temperature | 25.1°C 77.2°F |
Humidity | 82% |
Windspeed | 12.2kph 8 mph |
On average May is the 5th wettest month of the year in Santa Ana with around 77mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.1 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 Santa Ana in May 2025.
Hottest month: | March | 30.9°C 87.6°F |
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Driest month: | August | 3mm 0.1ins |
Sunniest month: | April | 4.9hrs |
Coldest month: | July | 29.7°C 85.5°F |
Wettest month: | March | 226mm 8.9ins |