Climate and monthly weather forecast
Long Beach, CA

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

The climate of Long Beach

Long Beach is geographically positioned on the southern coast of California in the United States. The metropolis finds itself situated within the BSk zone, according to the Köppen climate classification, defined as a mid-latitude steppe climate. This classification typically means that the annual temperature varies moderately and the area receives only moderate amounts of precipitation throughout the year.

An analysis of the climate data reveals that Long Beach is relatively mild throughout the year. Average high temperatures fluctuate from 64°F (17.8°C) in February to a peak of 79.5°F (26.4°C) in August, while low temperatures range from 52°F (11.1°C) in February to 64.9°F (18.3°C) in August. Relative humidity also varies, with drier conditions prevalent from 55% in November to 71% in June.

When it comes to precipitation, data indicates rainfall occurs throughout the year, albeit in moderate quantities. December experiences the highest rainfall with 1.14" (29mm), while June receives the least at only 0.08" (2mm). Rainfall days are highest in March, with 6 days, and lowest in June with 1.8 days.

The sea temperature near Long Beach ranges from 58.3°F (14.6°C) in January to 67.9°F (19.9°C) in both July and August. The city is graced with daylight hours varying from 9.9 hours in December to 14.4 hours in June, paired with sunshine hours that go from 6.8 hours in January, February, and December to a high of 12 hours in July and August.

The best time to visit Long Beach

Given Long Beach's climate and weather conditions, visitors might prefer to travel between June and August. These months are marked by the highest temperatures, ranging from 73°F (22.8°C) in June to 79.5°F (26.4°C) in August, which are accompanied by the warmest sea temperatures, peaking at 67.9°F (19.9°C). Additionally, these months offer the highest daylight hours, reaching up to 14.4 hours in June, and sunshine hours, with July and August both boasting 12 hours of sunshine. Despite a slight increase in humidity during these months, rainfall remains at its lowest, making it an ideal time for beach lovers and sun seekers.

The worst time to visit Long Beach

For those seeking sunshine and warmth, the months of November, December, and January may be less appealing to travel to Long Beach. These months bring colder temperatures, with highs averaging between 63.5°F (17.5°C) to 70°F (21.1°C), and lows from 52.7°F (11.5°C) to 57.4°F (14.1°C). Moreover, December and January also see decreased daylight hours, with 9.9 and 10.2 hours respectively, and diminished sunshine hours with 6.8 in each month. Lastly, December brings the highest rainfall of the year with 1.14" (29mm) spread across an average of 5.1 days.

Spring weather in Long Beach

Spring is pleasantly mild in Long Beach, with temperatures continuing to increase following winter. March sees average high and low temperatures of 66.4°F (19.1°C) and 53.1°F (11.7°C) respectively, which increase to 70°F (21.1°C) and 57°F (13.9°C) by May. Similarly, daylight hours steadily rise from 12 hours in March to 13.9 hours in May, and sunshine hours increase from 8.8 in March to 11.2 in May. While rainfall decreases during this season, March still experiences on average 6 rainy days with an accumulated 0.67" (17mm).

Summer weather in Long Beach

Long Beach experiences warm and relatively dry summer months. From June to August, the average high temperatures range from 73°F (22.8°C) to 79.5°F (26.4°C) while the lows fluctuate between 59.2°F (15.1°C) and 64.9°F (18.3°C). Daylight hours peak during this season, reaching a high of 14.4 hours in June, while sunshine hours are also at their highest, with a peak of 12 hours in both July and August. The summer months are the least rainy, particularly June which sees mere 0.08" (2mm) of rainfall.

Autumn weather in Long Beach

Autumn in Long Beach sees the temperatures begin to decline after the hot summer months. The average high temperatures drop marginally from 78.8°F (26°C) in September to 70°F (21.1°C) in November, while the lows shift from 64.8°F (18.2°C) to 57.4°F (14.1°C) over the same period. Daylight hours and sunshine hours also decrease during this time, from 12.4 hours and 10.6 hours in September to 10.4 hours and 7.1 hours in November respectively. Rainfall, though still generally low, begins to rise with November receiving 0.47" (12mm) spread across 4.1 days.

Winter weather in Long Beach

Winter in Long Beach is relatively mild, with temperatures during this season ranging from an average high of 70°F (21.1°C) in December to 64°F (17.8°C) in February, and average lows fluctuating from 52.7°F (11.5°C) in February to 57.4°F (14.1°C) in December. Daylight hours are shortest during this season, falling to 9.9 hours in December, while sunshine hours are lowest, with 6.8 hours in December, January, and February. Rainfall is highest in this season, peaking in December with an average of 1.14" (29mm) spread over 5.1 days.

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. Weather in January »

Weather in February

February in Long Beach, California, carries forward the winter charm of January, albeit with a subtle transition towards spring. Cooler temperatures at night continue, so sweaters and light jackets might still be necessary, especially during early morning hours. Weather in February »

Weather in March

March in Long Beach, California, sets the stage for spring and signals an end to the colder months of the year. Moderately warm days and cool nights dominate the weather scene. Temperatures during March move between 53.1°F (11.7°C) and 66.4°F (19.1°C), making the month significantly warmer than February. Weather in March »

Weather in April

April signifies a full arrival of spring to Long Beach, California. The month brings clear skies and ample sunshine, promoting better visibility and providing retro spunk and vibrant hues to the surroundings. Notable warmth envelops April with temperatures oscillating from 55°F (12.8°C) to 68.5°F (20.3°C). Weather in April »

Weather in May

May signals the advent of summer in Long Beach, California. The sharp sunlight and clear sky define the landscape with a recurring backdrop of minimal clouds, enhancing the city's beauty. During May, the temperature ranges from 57°F (13.9°C) to 70°F (21.1°C), heating up the surroundings and preparing residents for the upcoming summer season. Weather in May »

Weather in June

June may be the gateway to summer in Long Beach, California, but the city rarely experiences extreme heat at this time. Moderately warm temperatures make the days pleasant, while the nights remain comfortably cool. Throughout June, temperatures lie between 59.2°F (15.1°C) and 73°F (22.8°C), making it noticeably hotter than May. Weather in June »

Weather in July

Welcoming the heart of summer, July stands as one of the warmest months in Long Beach, California. The city experiences few rainy days, making it ideal for beach outings and other outdoor fun. The temperatures in July shift from 63.5°F (17.5°C) to 77.5°F (25.3°C), marking it as noticeably hotter than June. Weather in July »

Weather in August

August sustains the summer warmth in Long Beach, California, and continues the trend of sunny and dry days. Lively, warm evenings are a highlight of this month, excellent for outdoor dining and late-night strolls by the beach as the sun sets. Weather in August »

Weather in September

September marks the advent of fall in Long Beach, California. The weather takes a comfortable turn, becoming significantly less hot and paving the way for a lovely autumn. The month showcases a blend of warm and cool temperatures, varying from 64.8°F (18.2°C) to 78.8°F (26°C). Weather in September »

Weather in October

October carries forward the lovely onset of autumn in Long Beach, California, with moderate temperatures that are neither too hot nor too cold. It's a great time to witness the spectacular sunset hues at the beach, thanks to the decreasing daylight hours. Weather in October »

Weather in November

The arrival of November in Long Beach, California, signals the approach of winter. The hint of chill in the air signifies that winter is just around the corner. Expect temperatures to range from 57.4°F (14.1°C) to 70°F (21.1°C) during this month, which are significantly lower than those in October. Weather in November »

Weather in December

December brings winter to Long Beach, California. The onset of chilly weather, pleasant sunshine during the day, and cool breezes at night make this month quite enjoyable. December shows an impressive range of temperatures, varying between 52.7°F (11.5°C) and 63.5°F (17.5°C). Weather in December »
Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain in Long Beach?

In Long Beach, California, during the entire year, the rain falls for 47.2 days and collects up to 5.59" (142mm) 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 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, California.

When is the lowest UV index in Long Beach?

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

When is Daylight Saving Time (DST) in Long Beach?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Long Beach, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the most humid month in Long Beach?

The most humid month is June, with an average relative humidity of 71%.

What is the driest month in Long Beach?

The month with the least rainfall is June, when the rain falls for 1.8 days and typically collects 0.08" (2mm) of precipitation.

When are the longest days in Long Beach?

The month with the longest days in Long Beach is June, with an average of 14h and 24min of daylight.

When is the highest UV index in Long Beach?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Long Beach, California.

What months are the ocean warmest in Long Beach?

The months with the warmest seawater are July and August, with an average ocean temperature of 67.8°F (19.9°C).

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

The months with the most sunshine in Long Beach, California, are July and August, with an average of 12h of sunshine.

What is the hottest time of year in Long Beach?

August, recording an average high temperature of 79.5°F (26.4°C) and a low temperature of 64.9°F (18.3°C), is Long Beach's warmest month.

What is the least humid month in Long Beach?

With an average relative humidity of 55%, November is the least humid month in Long Beach, California.

What part of the year is the coldest in Long Beach?

December, having an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 52.7°F (11.5°C), is the coldest month in Long Beach.

What is the rainiest month in Long Beach?

December is the month with the most rainfall. Rain falls for 5.1 days and accumulates 1.14" (29mm) of precipitation.

What is the month with the shortest days in Long Beach?

December has the shortest days of the year, with an average of 10h and 0min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
Long Beach, CA

Average temperature - Long Beach, CA

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).

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).

Average pressure
Long Beach, CA

Average pressure - Long Beach, CA

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).

Average wind speed
Long Beach, CA

Average wind speed - Long Beach, CA

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).

Average humidity
Long Beach, CA

Average humidity - Long Beach, CA

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

Average rainfall
Long Beach, CA

Average rainfall - Long Beach, CA

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

Average rainfall days
Long Beach, CA

Average rainfall days - Long Beach, CA

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).

Average sea temperature
Long Beach, CA

Average sea temperature - Long Beach, CA

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).

Average daylight / Average sunshine
Long Beach, CA

Average daylight / Average sunshine - Long Beach, CA

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).

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).

Average sunshine days
Long Beach, CA

Average sunshine days - Long Beach, CA

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

Average UV index
Long Beach, CA

Average UV index - Long Beach, CA

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).

Average cloud cover
Long Beach, CA

Average cloud cover - Long Beach, CA

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).

Average visibility
Long Beach, CA

Average visibility - Long Beach, CA

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).

Long Beach, California, USA

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