San Diego Weather in May
What's the weather like in San Diego (Cartago) in May 2024?
The climate in San Diego during May can be summarized as warm, humid and very wet.
May is in the spring in San Diego and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 25.2°C 77.3°F |
|---|---|
| Nightly temperature | 17.1°C 62.7°F |
| Average temperature | 21.1°C 70°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 262 mm 10.3 ins |
| Rainy days | 19 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 83% |
| Windspeed | 12.6kph 8 mph |
On average May is the 5th wettest month of the year in San Diego with around 262mm 10.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
May temperatures in San Diego
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 Diego in May 2024.
Other monthly averages
San Diego weather stats
| Hottest month: | May | 25°C 77°F |
|---|---|---|
| Driest month: | January | 7mm 0.3ins |
| Sunniest month: | March | 7.6hrs |
| Coldest month: | January | 22.9°C 73.2°F |
| Wettest month: | September | 372mm 14.6ins |
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