Weather in California, United States in January

So you're interested in going to California, United States in January

January is a slightly cold and slightly rainy time for sunbathing in California. January is a little too cold to enjoy swimming in California for any length of time. Consider visiting California in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for January.

Temperature in California in January

The average maximum temperature in California in January is 18°. The average maximum temperature is 18° in the previous month and 18° in the next month.

The average temperature in California in January is 13°. The average temperature ranges is 14° in the previous month and 14° in the next month.

The average minimum temperature in California in January is . The minimum temperature is 10° in the previous month and in the next month.

Sunshine in California in January

The average day light hours per day in California in January are 10.3 and there are 6.2 hours of sunshine per day on average during January making it a quite sunny month with some cloud cover.

The ultraviolet index in California in January is typically 4.2 during January. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in California in January

The average sea water temperature in California in January is 18.1° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Rainfall in California in January

The average total rainfall in California in January is 30.7cm and on average there are 11.3 rainy days in January making it a slightly wet time to visit the beach.

Humidity in California in January

The maximum dew point (an indicator of humidity) in California in January is 10° which is very comfortable. The dew point is 12° in the previous month and 11° in the next month.

The average maximum relative humidity in California in January is typically 87.3%. The maximum relative humidity is 88.3% in the previous month and 88% in the next month.

The average relative humidity in California in January is typically 71.4%. The average relative humidity is 73.2% in the previous month and 72% in the next month.

Wind Speed in California in January

The average maximum wind speed in California in January is typically 25kmh. The average maximum wind speed is 25kmh in the previous month and 27kmh in the next month.

The average wind speed in California in January is typically 12kmh. The average wind speed is 12kmh in the previous month and 12kmh in the next month.

The average wind direction in California in January is from the South-Southeast.