San Diego Weather in January
What's the weather like in San Diego (El Paraíso) in January 2024?
The climate in San Diego during January can be summarized as warm, humid and dry.
January is in the winter in San Diego and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 26.8°C 80.2°F |
|---|---|
| Nightly temperature | 16.3°C 61.3°F |
| Average temperature | 21.5°C 70.7°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 21 mm 0.8 ins |
| Rainy days | 10 days |
| Sea temperature | 27.3°C 81.2°F |
| Humidity | 72% |
| Windspeed | 18.4kph 11 mph |
On average January is the 3rd driest month of the year in San Diego with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
January temperatures in San Diego
January rainfall
January 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 January 2024.
Other monthly averages
Best places to visit in January
San Diego weather stats
| Hottest month: | May | 31.1°C 88°F |
|---|---|---|
| Driest month: | February | 11mm 0.4ins |
| Sunniest month: | March | 9.6hrs |
| Coldest month: | January | 26.5°C 79.7°F |
| Wettest month: | June | 187mm 7.4ins |
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