Monthly weather forecast and climate
Long Beach, CA

A stunning shot of a colorful sunset sky over the Pacific Ocean in Long Beach, California, and views of distant city buildings, calm water, and soft sand
A stunning shot of a colorful sunset sky over the Pacific Ocean in Long Beach, California, and views of distant city buildings, calm water, and soft sand

What is the least humid month in Long Beach?

With an average relative humidity of 64.7%, January is the least humid month.

How many days does it rain in Long Beach?

Throughout the year, in Long Beach, there are 35.2 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

What is the wettest month in Long Beach?

January is the month with the most rainfall in Long Beach. Rain falls for 5.9 days and accumulates 2.3" (59mm) 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. 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.

What is the month with the lowest UV index in Long Beach?

January and December, with an average UV index of 3, are months with the lowest UV index in Long Beach, California.

What is the most humid month in Long Beach?

June is the most humid month in Long Beach, with an average relative humidity of 69.6%.

What is the driest month in Long Beach?

Months with the least rainfall in Long Beach are June through August Rain falls for 0.7 days and accumulates 0" (1mm) of rain.

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

June through August, with an average UV index of 10, are months with the highest UV index in Long Beach.

When is the ocean warmest in Long Beach?

July and August, with an average ocean temperature of 67.8°F (19.9°C), are months with the warmest seawater. Swimming in 67.8°F (19.9°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the warmest month in Long Beach?

August is the warmest month, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64.9°F (18.3°C).

What is the coldest month in Long Beach?

The coldest month in Long Beach, California, is December, with an average high-temperature of 66.7°F (19.3°C) and an average low-temperature of 45.9°F (7.7°C).
Average temperature - Long Beach, CA
Average humidity - Long Beach, CA

The month with the highest relative humidity is June (69.6%).
The month with the lowest relative humidity is January (64.7%).

Average rainfall - Long Beach, CA
Average rainfall days - Long Beach, CA

The month with the highest number of rainy days is February (6.5 days).
The month with the lowest number of rainy days is August (0.3 days).

Average sea temperature - Long Beach, CA

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).

Average daylight / Average sunshine - Long Beach, CA

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

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).

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