Seal Beach (CA) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Seal Beach

Seal Beach average temperature chart (Celsius) Seal Beach average temperature chart (Fahrenheit)
Average monthly temperatures in Seal Beach (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 19 19.6 19.5 21.1 21.9 23.4 26.4 27.4 26.7 25 21.6 19.1
°F 66.2 67.2 67.1 70 71.5 74.2 79.5 81.3 80 77.1 70.9 66.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Seal Beach monthly rainfall chart (mm) Seal Beach monthly rainfall chart (inches)
Average monthly rainfall in Seal Beach (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 60 46 42 24 4 1 1 1 4 4 38 36
inches 2.3 1.8 1.6 1 0.1 0 0 0 0.1 0.2 1.5 1.4
Rainy days 5 5 6 3 1 0 0 1 1 2 4 5

Average annual rainfall in Seal Beach: 174.367mm (68.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Seal Beach

Seal Beach average daily sunshine chart
Average daily sunshine Seal Beach
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.9 8.5 9.1 10.5 9.5 9.8 12 11.6 9.8 8.8 7.9 7.7

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Seal Beach average minimum / maximum temperatures (Celsius) Seal Beach average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Seal Beach (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.5 8.6 9.5 10.9 13.1 15 16.8 17.8 16.5 14.1 10.5 7.7
Max °C 19.3 19.9 19.8 21.4 22.2 23.7 26.7 27.7 26.9 25.3 21.9 19.4
Min °F 45.5 47.4 49 51.5 55.5 58.9 62.2 64 61.7 57.4 50.9 45.8
Max °F 56.1 57.6 58.3 61 63.7 66.7 71.1 72.9 71.1 67.5 61.2 56.3

Sea temperature

The graph below shows the average sea temperature.

Seal Beach average sea temperature chart (Celsius) Seal Beach average sea temperature chart (Fahrenheit)
Average sea temperature around Seal Beach in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.8 14.7 14.8 15 15.8 17.1 18.8 19.6 19.6 18.7 17.2 15.5
°F 58.6 58.4 58.6 59 60.5 62.7 65.8 67.3 67.2 65.7 63 60

Wind speed

The graph below shows the average wind speed.

Seal Beach average winspeed by month (km/h) Seal Beach average winspeed by month (mph)
Average wind speed in Seal Beach (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 12 13 14 13 13 13 13 12 11 10 10
mph 7 7 8 9 8 8 8 8 7 7 7 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Seal Beach relative humidity averages
Average relative humidity in Seal Beach
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 68% 68% 66% 69% 71% 70% 71% 70% 69% 67% 66%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Seal Beach weather stats

Seal Beach weather statistics
Hottest month: August 27.4°C 81.3°F
Driest month: July 1mm 0ins
Sunniest month: August 11.6hrs
Coldest month: January 19°C 66.2°F
Wettest month: January 60mm 2.4ins
Warmest sea: August 19.6°C 67.3°F
Map showing location of Seal Beach (33.74141, -118.10479) Seal Beach map pin © Google

Locations nearby

Top United States locations