Altadena Weather in April
What's the weather like in Altadena (California) in April 2024?
The climate in Altadena during April can be summarized as mild and reasonably dry.
April is in the spring in Altadena and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 17.8°C 64°F |
|---|---|
| Nightly temperature | 4.1°C 39.3°F |
| Average temperature | 10.9°C 51.6°F |
| Daily sunshine | 10.3 hrs |
| Avg rainfall | 32 mm 1.3 ins |
| Rainy days | 3 days |
| Sea temperature | 14.3°C 57.8°F |
| Humidity | 59% |
| Windspeed | 15.1kph 9 mph |
On average April is the 6th wettest month of the year in Altadena with around 32mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.3 hours of sunshine per day.
April temperatures in Altadena
April rainfall
April 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 Altadena in April 2024.
Other monthly averages
Altadena weather stats
| Hottest month: | July | 31°C 87.8°F |
|---|---|---|
| Driest month: | June | 3mm 0.1ins |
| Sunniest month: | August | 11.6hrs |
| Coldest month: | December | 12.7°C 54.9°F |
| Wettest month: | January | 76mm 3ins |
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