Bothell (WA) monthly weather averages

Contents

Average daytime temperature

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

Bothell average temperature chart (Celsius) Bothell average temperature chart (Fahrenheit)
Average monthly temperatures in Bothell (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.2 9.8 11.4 13.7 17.2 20.3 22.9 22.9 20.1 15.3 10.4 7.5
°F 45 49.6 52.4 56.7 63 68.5 73.2 73.2 68.1 59.6 50.6 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.

Bothell monthly rainfall chart (mm) Bothell monthly rainfall chart (inches)
Average monthly rainfall in Bothell (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 147 104 98 70 53 48 24 34 51 90 145 150
inches 5.8 4.1 3.9 2.8 2.1 1.9 1 1.3 2 3.5 5.7 5.9
Rainy days 18 15 16 13 11 9 5 6 9 12 17 18

Average annual rainfall in Bothell: 939.5mm (369.9 inches)

Average daily sunshine

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

Bothell average daily sunshine chart
Average daily sunshine Bothell
  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 2.7 2

Day / night temperatures

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

Bothell average minimum / maximum temperatures (Celsius) Bothell average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bothell (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.9 2.9 3.5 5.3 8 10.9 12.7 12.9 10.7 7.5 4.5 2.4
Max °C 7.4 10 11.6 14 17.5 20.5 23.2 23.2 20.3 15.5 10.5 7.6
Min °F 35.3 37.1 38.2 41.5 46.3 51.6 54.8 55.1 51.3 45.5 40.1 36.3
Max °F 40.3 43.5 45.5 49.3 54.9 60.3 64.2 64.4 59.9 52.7 45.5 41

Sea temperature

The graph below shows the average sea temperature.

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

Bothell average winspeed by month (km/h) Bothell average winspeed by month (mph)
Average wind speed in Bothell (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 12 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.

Bothell relative humidity averages
Average relative humidity in Bothell
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 77% 74% 71% 69% 68% 66% 69% 74% 79% 81% 82%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Bothell weather stats

Bothell weather statistics
Hottest month: August 22.9°C 73.2°F
Driest month: July 24mm 0.9ins
Sunniest month: July 10.8hrs
Coldest month: January 7.2°C 45°F
Wettest month: December 150mm 5.9ins
Warmest sea: August 13.4°C 56.1°F
Map showing location of Bothell (47.76232, -122.2054) Bothell map pin © Google

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