Seal Beach (CA) Weather and Climate: A Comprehensive Guide
The weather in Seal Beach sees moderate temperature fluctuations over the course of a year.
Temperatures can be warm at the high end
to roughly pleasant at the low end.
The city has a dry climate with very low precipitation levels.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
The climate in Seal Beach experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a comfortable 26°C in September to a pleasant 19°C in December.
Nighttime temperatures can drop, with average lows reaching 8°C in December. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Seal Beach sits in an arid zone with minimal moisture, averaging 204 mm of rainfall per year. The seasons in Seal Beach, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 55 mm of precipitation. This rainfall is distributed across 8 rainy days. In contrast, the driest month, August, experiences much less rainfall, totaling 0.1 mm over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Seal Beach Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Seal Beach, summer days are longer and more sunny, with daily sunshine hours peaking at 12.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 7.2 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Seal Beach.
The city experiences its highest humidity in May, reaching 73%. In November, the humidity drops to its lowest level at 50%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain broken clouds and no rain partly cloudy and no rainForecast for Seal Beach (CA)
3 m/s
2 m/s
3 m/s
The best time of year to visit Seal Beach in the United States of America
During the months of March, April, May, June, July, August, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in July, August, September and October.
September has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 19°C.
December tops the wettest month list with 55 mm of rainfall.
August is the driest month with 0 mm of precipitation.
July is the sunniest month with an average of 364 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
