Seal Beach, CA Weather - Forecast & Monthly Averages

Get 300+ Local Insights for Any Address in Seal Beach, CA

Get Access to 300+ Local Data Points

TEMPERATURE	56
HUMIDITY	95
PRESSURE	101828.7
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Seal Beach for August is 72.2 degrees
The lowest monthly average temperature in Seal Beach for December is 55.2 degrees
The most monthly precipitation in Seal Beach occurs in December with 7.6 inches
The air quality index in Seal Beach is 71% worse than the national average
The pollution index in Seal Beach is 69% better than the national average

Compare Seal Beach, CA Weather

Compare Neighborhoods & Addresses

Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.

UNLOCK FULL COMPARISON →

Write a review to give others more information about this area.

See all Seal Beach poll results

Seal Beach Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	45°F	69°F	56°F	7.4"
February	47°F	68°F	57°F	5.5"
March	50°F	71°F	60°F	2.6"
April	52°F	73°F	62°F	1.3"
May	57°F	74°F	64°F	2.3"
June	60°F	77°F	67°F	0.1"
July	64°F	81°F	71°F	0.5"
August	64°F	83°F	72°F	0.2"
September	62°F	84°F	71°F	5.2"
October	57°F	80°F	67°F	1.7"
November	50°F	74°F	61°F	2.9"
December	44°F	67°F	55°F	7.6"

The best places in California

Here are the best places to live in California

Check out the 10 safest cities in California

Most Dangerous States In The US

Safest Cities In The US

Seal Beach air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Seal Beach	California	National
Air quality index	72	55	42
Pollution index	858,652	10,473,190	2,726,193

Seal Beach air quality

Measurement	Total
Days measured	365
Days with good air quality	66
Days with moderate air quality	208
Days w/ poor A.Q. for sensitive groups	62
Days with unhealthy air quality	28

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.020%
Mercury	0.001%

Average monthly Seal Beach temperature with heat index

Seal Beach monthly precipitation with daily maximum

Seal Beach monthly snow depth with daily maximum

Seal Beach monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Westmont, CA	35,188	72	44.0%
Bell Gardens, CA	41,770	72	44.0%
Fullerton, CA	141,061	72	44.0%
Lakewood, CA	79,676	72	44.0%
Norwalk, CA	104,524	72	44.0%
Seal Beach, CA	24,268	72	44.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Bridgeton, NJ	24,264	40	20.0%
Elmwood Park, IL	24,274	55	10.0%
San Benito, TX	24,259	44	12.0%
San Fernando, CA	24,244	72	44.0%
Harvey, IL	24,295	55	10.0%
Seal Beach, CA	24,268	72	44.0%

Source: The Seal Beach, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.