The climate in San Julian during May can be summarized as warm, humid and reasonably dry.
May is in the fall / autumn in San Julian and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 17°C (62°F) is normal.
Daytime temperature | 26.6°C 79.8°F |
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Nightly temperature | 16.9°C 62.3°F |
Average temperature | 21.7°C 71.1°F |
Daily sunshine | 7.3 hrs |
Avg rainfall | 54 mm 2.1 ins |
Rainy days | 9 days |
Sea temperature | 21.8°C 71.2°F |
Humidity | 75% |
Windspeed | 14.8kph 9 mph |
On average May is the 4th driest month of the year in San Julian with around 54mm 2.1 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 7.3 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 San Julian in May 2025.
Hottest month: | January | 30.9°C 87.6°F |
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Driest month: | August | 34mm 1.3ins |
Sunniest month: | August | 9hrs |
Coldest month: | June | 24.7°C 76.5°F |
Wettest month: | January | 154mm 6.1ins |