Climate and monthly weather forecastBrea, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Brea, California, is another comfortable winter month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 66.7°F (19.3°C). As Brea transitions from December to January, the average high-temperatures adjust to a still refreshing 66.7°F (19.3°C), nearly the same as the previous 64.6°F (18.1°C). Weather in January »Weather in February
February, the last month of the winter in Brea, is also an enjoyable month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 49.8°F (9.9°C). February's onset brings an average high-temperature of a still enjoyable 66.4°F (19.1°C), showing a minute 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 max 69.3°F (20.7°C) and min 51.4°F (10.8°C). Brea's March reports an average high-temperature of an agreeable 69.3°F (20.7°C), exhibiting a minor difference from February. Weather in March »Weather in April
April, like March, is another pleasant spring month in Brea, California, with an average temperature varying between 72.1°F (22.3°C) and 54°F (12.2°C). April's arrival shows an average high-temperature of a still pleasant 72.1°F (22.3°C), hardly different from the previous 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 varying between 74.3°F (23.5°C) and 56.3°F (13.5°C). The shift into May reveals an average high-temperature of a moderately hot 74.3°F (23.5°C), closely mirroring April's climate. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Brea, California, with an average temperature fluctuating between 78.8°F (26°C) and 58.8°F (14.9°C). June's advent notes a subtle adjustment in average high-temperature to a still warm 78.8°F (26°C) from May. Weather in June »Weather in July
July, like June, in Brea, California, is a moderately hot summer month, with an average temperature fluctuating between 83.8°F (28.8°C) and 64.6°F (18.1°C). July welcomes an average high-temperature of a still moderately hot 83.8°F (28.8°C), not much different from the preceding month. Weather in July »Weather in August
August, the last month of the summer in Brea, is a tropical month, with an average temperature fluctuating between 86°F (30°C) and 65.8°F (18.8°C). Brea's temperatures peak on average in August, reaching 86°F (30°C) at their highest and 65.8°F (18.8°C) at their lowest. For most parts of August, the heat index is calculated to be a tropical 89.6°F (32°C). Weather in August »Weather in September
September, the first month of the autumn in Brea, is also a moderately hot month, with an average temperature fluctuating between 84.2°F (29°C) and 64.9°F (18.3°C). Brea records an average high-temperature of a warm 84.2°F (29°C) as September arrives, nearly mirroring the previous month's climate. 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 max 78.6°F (25.9°C) and min 60.8°F (16°C). With the onset of October, Brea's average high-temperature slightly adjusts, moderately receding from September's warm 84.2°F (29°C) to a still moderately hot 78.6°F (25.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also an agreeable month in Brea, California, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 55.9°F (13.3°C). The onset of November entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 78.6°F (25.9°C) in October to a pleasant 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, the month of December registers the lowest temperatures, averaging 64.6°F (18.1°C) at the peak and 50.2°F (10.1°C) at the lowest. Weather in December »Updated: Aug 13, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Brea, during the entire year, the rain falls for 45.6 days and collects up to 6.5" (165mm) of precipitation.
January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.
The months with the lowest UV index are February, November and December, with an average maximum UV index of 4.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The most humid month is June, with an average relative humidity of 62%.
The month with the least rainfall is June, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.
June has the longest days of the year, with an average of 14h and 24min of daylight.
The months with the most sunshine are July and August, with an average of 12h of sunshine.
The warmest month is August, with an average high-temperature of 86°F (30°C) and an average low-temperature of 65.8°F (18.8°C).
With an average maximum UV index of 7, August is the month with the highest UV index.
The least humid month is November, with an average relative humidity of 49%.
December, on average, is the coldest month, registering a high temperature of 64.6°F (18.1°C) and a low of 50.2°F (10.1°C).
The month with the most rainfall is December, when the rain falls for 5.8 days and typically aggregates up to 1.5" (38mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 54min of daylight.
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).
Average pressure
Brea, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Brea, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.9mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
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).
Average humidity
Brea, CA
The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (49%).
Average rainfall
Brea, CA
- Average rainfall in January:
1.06" - Average rainfall in February:
1.26" - Average rainfall in March:
0.87" - Average rainfall in April:
0.47" - Average rainfall in May:
0.12" - Average rainfall in June:
0.04"
The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Brea, CA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
6.7 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
3.1 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
3.1 days - Average rainfall days in August:
1.7 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
3.8 days - Average rainfall days in December:
5.8 days
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).
Average daylight / Average sunshine
Brea, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 48min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 36min - Average sunshine in October:
8h and 36min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 48min
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
Brea, CA
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
22.1 days - Average sunshine days in March:
23.8 days - Average sunshine days in April:
24 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
26.9 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
26.7 days - Average sunshine days in September:
24.6 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
24.8 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (22.1 days).
Average UV index
Brea, CA
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover
Brea, 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 5).
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).
