San Julian Weather in May
What's the weather like in San Julian (Santa Cruz) in May 2026?
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 |
|---|---|
| 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.
May temperatures in San Julian
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 Julian in May 2025.
Other monthly averages
San Julian weather stats
| Hottest month: | January | 30.9°C 87.6°F |
|---|---|---|
| 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 |
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