Crescent City
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Crescent City, CA

The magnificent red and white stone Battery Point Lighthouse in Crescent City, California
The magnificent red and white stone Battery Point Lighthouse in Crescent City, California
January, the same as December, is another fresh winter month in Crescent City, California, with average temperature varying between 53.6°F (12°C) and 39.6°F (4.2°C).

Temperature

With an average high-temperature of 53.6°F (12°C) and an average low-temperature of 39.6°F (4.2°C), January is the coldest month.

Rainfall

In Crescent City, California, during 12.8 rainfall days, 10.8" (275mm) of precipitation is typically accumulated. In Crescent City, California, during the entire year, the rain falls for 97.7 days and collects up to 70.3" (1785mm) of precipitation.

Ocean temperature

In January, the average ocean temperature is 50.9°F (10.5°C).
Note: Swimming in 50.9°F (10.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In January, the average length of the day is 9.6h.

Sunshine

In Crescent City, the average sunshine is 4h.

UV index

In Crescent City, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the coldest month in Crescent City?

With an average high-temperature of 53.6°F (12°C) and an average low-temperature of 39.6°F (4.2°C), January is the coldest month in Crescent City, California.

What is the temperature in January in Crescent City?

The average high-temperature, in January, is 53.6°F (12°C), while the average low-temperature is 39.6°F (4.2°C).

How much does it rain in Crescent City in January?

In Crescent City, in January, during 12.8 rainfall days, 10.8" (275mm) of precipitation is typically accumulated.

What is the ocean temperature in January in Crescent City?

In Crescent City, California, the average seawater temperature in January is 50.9°F (10.5°C). Swimming in 50.9°F (10.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January in Crescent City?

In Crescent City, California, the average length of the day in January is 9.6h.

How many hours of sunshine does Crescent City have in January?

The average sunshine in January in Crescent City is 4h.

How high is the UV index in January in Crescent City?

In Crescent City, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Crescent City, CA
  • Average high temperature in January: 53.6°F

Warmest months (with the highest average high temperature) are August and September (66°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in January: 39.6°F

The month with the highest average low temperature is August (50.8°F).
The coldest month (with the lowest average low temperature) is December (38.9°F).

Average rainfall in January - Crescent City, CA
  • Average rainfall in January: 10.8"

The wettest month (with the highest rainfall) is December (11.9").
The driest month (with the lowest rainfall) is July (0.4").

Average rainfall days in January - Crescent City, CA
  • Average rainfall days in January: 12.8 days

The month with the highest number of rainy days is March (13.4 days).
The month with the lowest number of rainy days is July (1.6 days).

Average sea temperature in January - Crescent City, CA
  • Average sea temperature in January: 50.9°F

The best month for swimming (with the highest average sea temperature) is October (52.6°F).
The coldest month (with the lowest average sea temperature) is April (50.7°F).

Average daylight in January / Average sunshine in January - Crescent City, CA
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in January: 4h

Months with most sunshine are June and July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in January - Crescent City, CA
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).