Bremerton (WA) monthly weather averages

Average daytime temperature

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

Bremerton average temperature chart (Celsius) Bremerton average temperature chart (Fahrenheit)
Average monthly temperatures in Bremerton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.3 9.6 11.4 14 17.6 20.6 23.2 23.4 20.5 15.3 10.4 7.5
°F 45.1 49.3 52.6 57.2 63.6 69.2 73.7 74.1 68.8 59.5 50.7 45.5

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.

Bremerton monthly rainfall chart (mm) Bremerton monthly rainfall chart (inches)
Average monthly rainfall in Bremerton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 170 127 123 70 47 38 21 29 51 94 173 193
inches 6.7 5 4.9 2.7 1.8 1.5 0.8 1.2 2 3.7 6.8 7.6
Rainy days 18 16 17 14 11 9 5 6 9 13 18 19

Average annual rainfall in Bremerton: 1060.6mm (417.6 inches)

Average daily sunshine

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

Bremerton average daily sunshine chart
Average daily sunshine Bremerton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.5 4.1 5.8 7.1 8.6 9.4 10.8 9.8 7.8 5 2.8 2.1

Day / night temperatures

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

Bremerton average minimum / maximum temperatures (Celsius) Bremerton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bremerton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.6 2.6 3.2 4.8 7.4 10.1 11.8 12.2 10.3 7.1 4.3 2.2
Max °C 7.4 9.8 11.7 14.3 17.8 20.9 23.5 23.7 20.7 15.5 10.6 7.7
Min °F 34.9 36.7 37.7 40.6 45.3 50.2 53.2 53.9 50.5 44.8 39.7 35.9
Max °F 40.1 43.2 45.3 49.1 54.7 59.9 63.7 64.2 59.9 52.3 45.3 40.8

Sea temperature

The graph below shows the average sea temperature.

Bremerton average sea temperature chart (Celsius) Bremerton average sea temperature chart (Fahrenheit)
Average sea temperature around Bremerton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.1 8 8.3 9.1 10.5 12 13.1 13.4 12.8 11.2 9.7 8.6
°F 46.5 46.4 47 48.4 50.9 53.6 55.5 56.2 55.1 52.1 49.5 47.5

Wind speed

The graph below shows the average wind speed.

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

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.

Bremerton relative humidity averages
Average relative humidity in Bremerton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 79% 77% 73% 71% 70% 69% 71% 76% 82% 83% 83%