Santa Monica
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Santa Monica, CA

A night view of the neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier, all reflected in the seawater below
A night view of the neon-lit fun park in Santa Monica, California, with a view of the iconic Ferris wheel and pier, all reflected in the seawater below
January, the same as December, is another comfortable winter month in Santa Monica, California, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 64°F (17.8°C).

Temperature

In Santa Monica, the average high-temperature remains the same as in December - a still comfortable 64°F (17.8°C). In Santa Monica, the average low-temperature is 51.1°F (10.6°C).

Rainfall

In Santa Monica, during 7 rainfall days, 2.8" (72.1mm) of precipitation is typically accumulated. Throughout the year, in Santa Monica, there are 32.7 rainfall days, and 12.8" (324.9mm) of precipitation is accumulated.

Ocean temperature

January through May and December, with an average ocean temperature of 59°F (15°C), are months with the coldest seawater in Santa Monica.
Note: For most, swimming in 59°F (15°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In January, the average length of the day in Santa Monica is 10.2h.

Sunshine

Months with the least sunshine in Santa Monica, California, are January, November and December, with an average of 7h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in January in Santa Monica?

The average high-temperature, in January, in Santa Monica, is 64°F (17.8°C), while the average low-temperature is 51.1°F (10.6°C).

How many days does it rain in January in Santa Monica?

In January, in Santa Monica, California, the rain falls for 7 days. Throughout January, 2.8" (72.1mm) of precipitation is accumulated.

What months are the ocean coldest in Santa Monica?

Through, May and December, with an average ocean temperature of 59°F (15°C).

What is the ocean temperature in January in Santa Monica?

In January, the average ocean temperature is 59°F (15°C). Swimming in 59°F (15°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Santa Monica have in January?

In Santa Monica, California, the average length of the day in January is 10.2h.

What is the month with the least sunshine in Santa Monica?

January, November and December, with an average of 7h of sunshine, are months with the least sunshine in Santa Monica.

How long on average sun shines in January in Santa Monica?

The average sunshine in January in Santa Monica, California, is 7h.

What is the month with the lowest UV index in Santa Monica?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Santa Monica.

What is the UV index reading in January in Santa Monica?

The average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in January - Santa Monica, CA
  • Average high temperature in January: 64°F

Warmest months (with the highest average high temperature) are August and September (71°F).
Months with the lowest average high temperature are February and March (63°F).

  • Average low temperature in January: 51°F

Months with the highest average low temperature are July, August and September (63°F).
Coldest months (with the lowest average low temperature) are January and December (51°F).

Average rainfall in January - Santa Monica, CA
  • Average rainfall in January: 2.8"

The wettest month (with the highest rainfall) is February (3.4").
Driest months (with the lowest rainfall) are June, July and August (0").

Average rainfall days in January - Santa Monica, CA
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is February (7.9 days).
The month with the lowest number of rainy days is July (0.1 days).

Average sea temperature in January - Santa Monica, CA
  • Average sea temperature in January: 59°F

Best months for swimming (with the highest average sea temperature) are August, September and October (66°F).
Coldest months (with the lowest average sea temperature) are January, February, March, April, May and December (59°F).

Average daylight in January / Average sunshine in January - Santa Monica, CA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 7h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in January - Santa Monica, CA
  • Average UV index in January: 3

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 3).