January weather forecast and climate
Long Beach, CA

A colorful sunset sky over the Pacific Ocean in Long Beach, California
A colorful sunset sky over the Pacific Ocean in Long Beach, California

Weather in January

January, like December, in Long Beach, California, is another comfortable winter month, with average temperature varying between 65.1°F (18.4°C) and 52.9°F (11.6°C).

Temperature

In January, the average high-temperature is essentially the same as in December - a still comfortable 65.1°F (18.4°C). The average low-temperature, in January, is 52.9°F (11.6°C).

Humidity

In Long Beach, the average relative humidity is 57%.

Rainfall

In Long Beach, in January, during 4.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 47.2 rainfall days, and 5.59" (142mm) of precipitation is accumulated.

Ocean temperature

The month with the coldest seawater in Long Beach is January, with an average ocean temperature of 58.3°F (14.6°C).
Note: Swimming in 58.3°F (14.6°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

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

Sunshine

Months with the least sunshine in Long Beach are January, February and December, with an average of 6.8h of sunshine.

UV index

Months with the lowest UV index in Long Beach are January, February, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
[Resources]

FAQ

What is the temperature in January in Long Beach?

In Long Beach, California, in January, the average high-temperature is 65.1°F (18.4°C), and the average low-temperature is 52.9°F (11.6°C).

What is the average humidity in January in Long Beach?

In Long Beach, the average relative humidity in January is 57%.

How many days does it rain in January in Long Beach?

In Long Beach, during January, the rain falls for 4.1 days and regularly aggregates up to 0.98" (25mm) of precipitation.

What month is the ocean coldest in Long Beach?

With an average ocean temperature of 58.3°F (14.6°C), January is the month with the coldest seawater in Long Beach.

How cold is the water in January in Long Beach?

In Long Beach, California, the average seawater temperature in January is 58.3°F (14.6°C). Swimming in 58.3°F (14.6°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 Long Beach?

The average length of the day in January is 10.2h.

What is the month with the least sunshine in Long Beach?

Months with the least sunshine in Long Beach, California, are January, February and December, with an average of 6.8h of sunshine.

How many hours of sunshine does Long Beach have in January?

In January, the average sunshine in Long Beach, California, is 6.8h.

What are the months with the lowest UV index in Long Beach?

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Long Beach, California.

What is the UV index reading in January in Long Beach?

In Long Beach, California, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in January
Long Beach, CA

Average temperature in January - Long Beach, CA
  • Average high temperature in January: 65.1°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (63.5°F).

  • Average low temperature in January: 52.9°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52°F).

[Resources]

Average pressure in January
Long Beach, CA

Average pressure in January - Long Beach, CA
  • Average pressure in January: 30.1"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.89").

[Resources]

Average wind speed in January
Long Beach, CA

Average wind speed in January - Long Beach, CA
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5mph).

[Resources]

Average humidity in January
Long Beach, CA

Average humidity in January - Long Beach, CA
  • Average humidity in January: 57%

The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).

[Resources]

Average rainfall in January
Long Beach, CA

Average rainfall in January - Long Beach, CA
  • Average rainfall in January: 0.98"

The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.08").

[Resources]

Average rainfall days in January
Long Beach, CA

Average rainfall days in January - Long Beach, CA
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.8 days).

[Resources]

Average sea temperature in January
Long Beach, CA

Average sea temperature in January - Long Beach, CA
  • Average sea temperature in January: 58.3°F

The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).

[Resources]

Average daylight in January /
Average sunshine in January
Long Beach, CA

Average daylight in January / Average sunshine in January - Long Beach, CA
  • Average daylight in January: 10.2h

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

  • Average sunshine in January: 6.8h

Months with the most sunshine are July and August (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

[Resources]

Average sunshine days in January
Long Beach, CA

Average sunshine days in January - Long Beach, CA
  • Average sunshine days in January: 25.7 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is June (20.8 days).

[Resources]

Average UV index in January
Long Beach, CA

Average UV index in January - Long Beach, CA
  • Average UV index in January: 4

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

[Resources]

Average cloud cover in January
Long Beach, CA

Average cloud cover in January - Long Beach, CA
  • Average cloud cover in January: 20

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).

[Resources]

Average visibility in January
Long Beach, CA

Average visibility in January - Long Beach, CA
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]