The best times to visit Seal Beach for ideal weather are

March 12th to August 12th

or

September 24th to November 25th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Seal Beach Travel Info

Weather in Seal Beach

Temperature

Average temperatures in Seal Beach vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a very low chance of rain or snow throughout the year. The area is more temperate than most — in the 78th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Seal Beach, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 86.6°F (30.3°C) with temperatures rarely dropping below 64.6°F (18.1°C) at night.

Seal Beach Temperatures (Fahrenheit)

Key
High
Average
Low

Seal Beach Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Seal Beach Perceived Temperature (F)

Key
High
Average
Low

Seal Beach Perceived Temperature (C)

Key
High
Average
Low

 

Average Seal Beach Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 69.3 55.9 44.1
Feb 67 56.4 46
Mar 70.8 59.6 49.6
Apr 72.6 61.5 52
May 73.9 64.2 56
Jun 75.4 66.6 59.8
Jul 80.1 70.2 63
Aug 83.1 71.7 63.4
Sep 83.9 71.3 62.1
Oct 79.2 66.9 56.6
Nov 73.7 60.2 49.1
Dec 66.5 54.6 44.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 20.7 13.3 6.7
Feb 19.4 13.6 7.8
Mar 21.6 15.3 9.8
Apr 22.6 16.4 11.1
May 23.3 17.9 13.3
Jun 24.1 19.2 15.4
Jul 26.7 21.2 17.2
Aug 28.4 22.1 17.4
Sep 28.8 21.8 16.7
Oct 26.2 19.4 13.7
Nov 23.2 15.7 9.5
Dec 19.2 12.6 6.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Seal Beach are June, August, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late May to early June. For example, on the week of May 28th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 2 days of significant precipitation the week of December 17th.

When can you find snow in Seal Beach? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Seal Beach.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Seal Beach (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 7% 0 1.2
Feb 12% 0 1.7
Mar 6% 0 0.8
Apr 4% 0 0.4
May 4% 0 0.3
Jun 0% 0 0
Jul 1% 0 0.1
Aug 0% 0 0
Sep 1% 0 0.3
Oct 4% 0 0.5
Nov 5% 0 0.6
Dec 14% 0 2.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 7 0 3
Feb 12 0 4.3
Mar 6 0 2
Apr 4 0 1
May 4 0 0.8
Jun 0 0 0
Jul 1 0 0.3
Aug 0 0 0
Sep 1 0 0.8
Oct 4 0 1.3
Nov 5 0 1.5
Dec 14 0 6.9

 

Humidity and Wind

Seal Beach has some high humidity months, with other comfortably humid months. The least humid month is January (57.3% relative humidity), and the most humid month is June (68.5%).

Wind in Seal Beach is usually calm. The windiest month is April, followed by May and June. April’s average wind speed of around 5.5 knots (6.4 MPH or 10.2 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 13.1 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Seal Beach.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 3.6 Barely noticeable 9.5 Gentle breeze
Feb 4.4 Light breeze 11.2 Significant breeze
Mar 4.7 Light breeze 11.6 Gentle breeze
Apr 5.5 Light breeze 13 Significant breeze
May 5.5 Light breeze 12.1 Gentle breeze
Jun 5.2 Light breeze 11.1 Significant breeze
Jul 5 Light breeze 10.7 Gentle breeze
Aug 4.6 Light breeze 10.5 Gentle breeze
Sep 4.2 Light breeze 10.4 Gentle breeze
Oct 3.9 Barely noticeable 10.6 Gentle breeze
Nov 3.5 Barely noticeable 9.8 Gentle breeze
Dec 3.7 Barely noticeable 9.9 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 57.3%
Feb 66.6%
Mar 61.6%
Apr 58%
May 63.4%
Jun 68.5%
Jul 68.1%
Aug 64.8%
Sep 64.1%
Oct 63.3%
Nov 58.3%
Dec 63.3%

 

Is it Safe to Travel to Seal Beach?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Seal Beach, CA, US is July, followed by June and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Seal Beach in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 48.5 in December means 48.5% of the tourists vs. July.

 

 

Overall Seal Beach Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 76.6°F (24.8°C) and 68.2°F (20.1°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Seal Beach, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 85.8°F (29.9°C) and 71°F (21.7°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 2 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is somewhat cool this time of year in Seal Beach to be enjoyable for warm weather travelers. The average high during this season is between 72°F (22.2°C) and 65.2°F (18.4°C). On average, it rains or snows a smalll amount: 2 to 4 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Seal Beach, CA, US