Weather in California, United States in January

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Visiting California, United States in January

January is slightly cool, and sunny but overcast at times. January is predominantly dry but a bit rainy with occasional light showers, though there are many days with out any rain. It is not a good time for sunbathing in California. January is too cold for swimming in California for any length of time, unless you have a wetsuit. 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.

Can you sunbathe in California in January?

No, January is not a good time for sunbathing in California. January is slightly too cold, with quite a high chance of overcast or cloudy skies and there is some chance of rain showers.

The average maximum temperature in California in January is 17°C (63°F).

More about January temperature and sunshine.

Can you swim in California in January?

No, January is too cold for swimming in California for any length of time, with the sea water at 14°C (58°F), unless you have a wetsuit.

More about January sea temperatures.

Is January a good time to holiday in California?

Yes, January is a slightly cool time for a holiday in California.

January is slightly cool and sunny but overcast at times. It is predominantly dry but a bit rainy with occasional light showers, though there are many days with out any rain.

It's a bit chilly for sunbathing and swimming but you can still enjoy the beach scenery with walks along the beach and other activities.

The average maximum temperature in California in January is 17°C (63°F).

More about the January temperatures and sunshine.

How cold is California in January?

The average minimum temperature in California in January is 7°C (44°F). The minimum temperature is 7°C (44°F) in the previous month and 7°C (45°F) in the next month.

More about the January temperatures and sunshine.

How sunny is California in January?

The average day light hours per day in California in January are 10 and there are 6.4 hours of sunshine per day on average during January, making it sunny but overcast at times.

More about January sunshine.

Is it warm enough to swim in California in January?

No, January is too cold for swimming in California for any length of time, with the sea water at 14°C (58°F), unless you have a wetsuit.

More about January sea temperatures.

Is California warm in January?

No, California is slightly cool in January.

The average maximum temperature in California in January is 17°C (63°F). The average maximum temperature is 17°C (62°) in the previous month and 17°C (62°F) in the next month.

The average temperature in California in January is 12°C (53°F). The average temperature ranges is 12°C (53°F) in the previous month and 12°C (54°F) in the next month.

More info about the January temperatures and sunshine.

Temperature in California in January

The average maximum temperature in California in January is 17°C (63°F). The average maximum temperature is 17°C (62°F) in the previous month and 17°C (62°F) in the next month.

The average temperature in California in January is 12°C (53°F). The average temperature ranges is 12°C (53°F) in the previous month and 12°C (54°F) in the next month.

The average minimum temperature in California in January is 7°C (44°F). The minimum temperature is 7°C (44°F) in the previous month and 7°C (45°F) in the next month.

Sunshine in California in January

The average day light hours per day in California in January are 10 and there are 6.4 hours of sunshine per day on average during January making it sunny but overcast at times

The ultraviolet index in California in January is typically 3.1 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 14.3°C (57.7°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Rainfall in California in January

The average total rainfall in California in January is 8cm (3.1inches) and on average there are 7.5 rainy days in January making it a quite rainy time to visit the beach.

Humidity in California in January

The maximum dew point (an indicator of humidity) in California in January is 8°C (47°F) which is a bit dry for some. The dew point is 9°C (48°F) in the previous month and 9°C (9°F) in the next month.

The average maximum relative humidity in California in January is typically 86.1%. The maximum relative humidity is 87.3% in the previous month and 88.9% in the next month.

The average relative humidity in California in January is typically 67.6%. The average relative humidity is 69.8% in the previous month and 71.5% in the next month.

Wind Speed in California in January

The average maximum wind speed in California in January is typically 21KM/H (13MPH). The average maximum wind speed is 22KM/H (13MPH) in the previous month and 24KM/H (15MPH) in the next month.

The average wind speed in California in January is typically 8KM/H (5MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 9KM/H (6MPH) in the next month.

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

Monthly Averages

Suggested Beaches in January

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