Climate and monthly weather forecast
Brea, CA

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Brea City, California, with beautiful forest surroundings and vast hills and mountain ranges in the distance
Brea City, California, with beautiful forest surroundings and vast hills and mountain ranges in the distance

Weather in January

January, like December, in Brea, California, is another enjoyable winter month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 50.5°F (10.3°C). Brea, California, registers an average high-temperature of a still comfortable 66.7°F (19.3°C) at the commencement of January, closely related to the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Brea, is also an enjoyable month, with an average temperature ranging between min 49.8°F (9.9°C) and max 66.4°F (19.1°C). With February's arrival, Brea's weather records an average high-temperature of a still refreshing 66.4°F (19.1°C), marking little difference from January's 66.7°F (19.3°C). Weather in February »

Weather in March

March, the first month of the spring in Brea, is an agreeable month, with an average temperature ranging between min 51.4°F (10.8°C) and max 69.3°F (20.7°C). The arrival of March is marked by an average high-temperature of an agreeable 69.3°F (20.7°C), bearing a close resemblance to February. Weather in March »

Weather in April

April, the same as March, in Brea, California, is another pleasant spring month, with an average temperature ranging between min 54°F (12.2°C) and max 72.1°F (22.3°C). During April, the average high-temperature is a still pleasant 72.1°F (22.3°C), maintaining a close resemblance to that of the preceding month. Weather in April »

Weather in May

May, the last month of the spring in Brea, is a moderately hot month, with an average temperature ranging between min 56.3°F (13.5°C) and max 74.3°F (23.5°C). Transitioning into May, Brea experiences an average high-temperature of a warm 74.3°F (23.5°C), marking a minor shift from the preceding month. Weather in May »

Weather in June

June, the first month of the summer in Brea, is still a warm month, with an average temperature fluctuating between 78.8°F (26°C) and 58.8°F (14.9°C). June's average high-temperature stands at a still warm 78.8°F (26°C), showing little deviation from May's 74.3°F (23.5°C). Weather in June »

Weather in July

July, like June, in Brea, California, is another warm summer month, with an average temperature ranging between min 64.6°F (18.1°C) and max 83.8°F (28.8°C). July's presence records an average high-temperature of a still moderately hot 83.8°F (28.8°C), closely mirroring June's climate. Weather in July »

Weather in August

The last month of the summer, August, is a hot month in Brea, California, with an average temperature varying between 65.8°F (18.8°C) and 86°F (30°C). August temperatures tend to peak at an average high of 86°F (30°C) and dip to a low of 65.8°F (18.8°C). The heat index value for August is estimated at a hot 89.6°F (32°C). Weather in August »

Weather in September

September, the first month of the autumn in Brea, is still a warm month, with an average temperature varying between 64.9°F (18.3°C) and 84.2°F (29°C). September's commencement is accompanied by an average high-temperature of a warm 84.2°F (29°C), diverging marginally from August's 86°F (30°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Brea, California, with an average temperature ranging between min 60.8°F (16°C) and max 78.6°F (25.9°C). The transition into October involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 84.2°F (29°C) in September to a still warm 78.6°F (25.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Brea, is another pleasant month, with an average temperature varying between 55.9°F (13.3°C) and 72°F (22.2°C). Brea's transition into November involves a gentle shift in temperature, receding from a moderately hot 78.6°F (25.9°C) in October to an agreeable 72°F (22.2°C). Weather in November »

Weather in December

December, the first month of the winter in Brea, is still a refreshing month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 64.6°F (18.1°C). In Brea, California, December is the coldest month, with temperatures averaging a high of 64.6°F (18.1°C) and a low of 50.2°F (10.1°C). Weather in December »
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Frequently asked questions

How much does it rain in Brea?

Throughout the year, there are 45.6 rainfall days, and 6.5" (165mm) of precipitation is accumulated.

What is the month with the least sunshine in Brea?

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

When is the lowest UV index in Brea?

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

When is Daylight Saving Time (DST) in Brea?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Brea, 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 Brea?

June is the most humid month in Brea, California, with an average relative humidity of 62%.

What is the driest month in Brea?

The month with the least rainfall in Brea, California, is June, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Brea?

With an average of 14h and 24min of daylight, June has the longest days of the year in Brea.

What are the months with the most sunshine in Brea?

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

What is the hottest time of year in Brea?

August is the month when Brea experiences its warmest temperatures, averaging a high of 86°F (30°C) and a low of 65.8°F (18.8°C).

What is the month with the highest UV index in Brea?

With an average maximum UV index of 7, August is the month with the highest UV index.

What is the least humid month in Brea?

The least humid month in Brea, California, is November, with an average relative humidity of 49%.

What month is the coldest in Brea?

December stands out as Brea's coldest month, with an average high-temperature of 64.6°F (18.1°C) and a low-temperature of 50.2°F (10.1°C).

What is the rainiest month in Brea?

December is the month with the most rainfall in Brea. Rain falls for 5.8 days and accumulates 1.5" (38mm) of precipitation.

What is the month with the shortest days in Brea?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

Average temperature
Brea, CA

Average temperature - Brea, CA

The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is December (64.6°F).

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).

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Average pressure
Brea, CA

Average pressure - Brea, CA

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Brea, CA

Average wind speed - Brea, CA

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average rainfall
Brea, CA

Average rainfall - Brea, CA

The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Brea, CA

Average rainfall days - Brea, CA

The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.3 days).

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Average daylight / Average sunshine
Brea, CA

Average daylight / Average sunshine - Brea, CA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

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
Brea, CA

Average sunshine days - Brea, CA

The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (22.1 days).

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Average visibility
Brea, CA

Average visibility - Brea, 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).

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Brea, California, USA

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