January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average sea temperature in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

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

Weather in January

In Long Beach, California, weather in January can be considered relatively mild when compared to many parts of the United States. Occasional rainfall and low temperatures can be anticipated, making it a favorite month for locals who enjoy cozy weather. January sets the pace for the year with temperatures ranging from 52.9°F (11.6°C) to 65.1°F (18.4°C). During this month, the increasing daylight provides residents with more time to enjoy outdoor activities despite the cool temperatures. Moving from January to February, one can expect a slight increase in rainfall and humidity levels.

Temperature

Long Beach, California, experiences an average high-temperature of a still refreshing 65.1°F (18.4°C) in January, marking an insignificant shift from 63.5°F (17.5°C) in December. The average low-temperature, in January, is a cool 52.9°F (11.6°C).

Humidity

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

Rainfall

In Long Beach, during January, the rain falls for 4.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Long Beach, California, during the entire year, the rain falls for 47.2 days and collects up to 5.59" (142mm) of precipitation.

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) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

In Long Beach, the average length of the day in January is 10h and 13min.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:54 pm. On the last day of January, sunrise is at 6:50 am and sunset at 5:22 pm PST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 4 during January translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.

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Frequently asked questions

What are January temperatures in Long Beach?

An average high-temperature, in January, in Long Beach, 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?

The average relative humidity in January is 57%.

How much does it rain in Long Beach in January?

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

When is the ocean coldest in Long Beach?

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

What is the ocean temperature in January in Long Beach?

In January, the average ocean temperature is 58.3°F (14.6°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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

The average day length in January in Long Beach, California, is 10h and 13min.

What time are sunrise and sunset in January in Long Beach?

In January, on the first day of the month, sunrise is at 6:57 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:22 pm PST.

What are the months with the least sunshine in Long Beach?

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

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

In January, the average sunshine duration is 6.8h.

When is the lowest UV index in Long Beach?

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

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

The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

63.5°F 17.5°C

65.1°F 18.4°C

64°F 17.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.3mph 10.1km/h

6mph 9.7km/h

6.4mph 10.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

5.1

4.1

4.7

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

24.5

25.7

22.4

Average UV index

Average cloud cover

Average visibility

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).

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Average pressure in January
Long Beach, CA

Average pressure in January: 30.1"Hg

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

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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).

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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%).

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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").

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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).

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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).

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

Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

Average sunshine in January: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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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).

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Average UV index in January
Long Beach, CA

Average UV index in January: 4

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

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Average cloud cover in January
Long Beach, CA

Average cloud cover in January: 20

The 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).

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Average visibility in January
Long Beach, CA

Average visibility in January: 6mi

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

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January weather forecast
Long Beach, CA

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