Westminster (CA) monthly weather averages

Contents

Average daytime temperature

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

Westminster average temperature chart (Celsius) Westminster average temperature chart (Fahrenheit)
Average monthly temperatures in Westminster (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.

Westminster monthly rainfall chart (mm) Westminster monthly rainfall chart (inches)
Average monthly rainfall in Westminster (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 Westminster: 174.367mm (68.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Westminster

Westminster average daily sunshine chart
Average daily sunshine Westminster
  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.

Westminster average minimum / maximum temperatures (Celsius) Westminster average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Westminster (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.

Westminster average sea temperature chart (Celsius) Westminster average sea temperature chart (Fahrenheit)
Average sea temperature around Westminster 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.

Westminster average winspeed by month (km/h) Westminster average winspeed by month (mph)
Average wind speed in Westminster (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.

Westminster relative humidity averages
Average relative humidity in Westminster
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

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Beta

Current (hourly) weather 15 day forecast

Westminster weather stats

Westminster 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 Westminster (33.75918, -118.00673) Westminster map pin © Google

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