Beaverton (OR) monthly weather averages

Average daytime temperature

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

Beaverton average temperature chart (Celsius) Beaverton average temperature chart (Fahrenheit)
Average monthly temperatures in Beaverton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 9.8 12.3 15 18.6 22.4 25.7 26 22.9 17.1 10.7 7
°F 44.6 49.6 54.2 59.1 65.4 72.4 78.3 78.8 73.2 62.7 51.3 44.7

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.

Beaverton monthly rainfall chart (mm) Beaverton monthly rainfall chart (inches)
Average monthly rainfall in Beaverton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 175 127 118 77 61 44 18 29 50 88 168 193
inches 6.9 5 4.6 3 2.4 1.7 0.7 1.1 2 3.5 6.6 7.6
Rainy days 18 16 17 14 12 8 4 5 8 12 18 19

Average annual rainfall in Beaverton: 1071.267mm (421.8 inches)

Average daily sunshine

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

Beaverton average daily sunshine chart
Average daily sunshine Beaverton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.1 4.5 6.6 7.9 9.6 10.5 11.6 10.5 8.7 5.5 3 2.4

Day / night temperatures

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

Beaverton average minimum / maximum temperatures (Celsius) Beaverton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Beaverton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.3 1.4 2.5 3.9 6.6 9.7 11.3 11.5 9.2 5.7 3.1 0.8
Max °C 7.2 10 12.6 15.3 18.9 22.8 26.1 26.4 23.3 17.4 10.9 7.2
Min °F 32.5 34.5 36.4 39 43.8 49.4 52.3 52.6 48.5 42.2 37.6 33.4
Max °F 38.7 42.3 45.5 49.3 54.9 61.2 65.7 66 61.2 52.7 44.6 39.2

Sea temperature

The graph below shows the average sea temperature.

Beaverton average sea temperature chart (Celsius) Beaverton average sea temperature chart (Fahrenheit)
Average sea temperature around Beaverton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.1 9 9.1 9.5 10.4 11.7 12.9 13.5 13.3 12 10.7 9.6
°F 48.3 48.1 48.4 49.1 50.7 53.1 55.3 56.3 55.9 53.6 51.2 49.2

Wind speed

The graph below shows the average wind speed.

Beaverton average winspeed by month (km/h) Beaverton average winspeed by month (mph)
Average wind speed in Beaverton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 15 14 13 13 13 13 12 12 11 14 15
mph 9 9 9 8 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.

Beaverton relative humidity averages
Average relative humidity in Beaverton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 79% 75% 72% 69% 67% 63% 65% 69% 78% 83% 84%

Other monthly averages

UV index Best time to go?

Beaverton weather stats

Beaverton weather statistics
Hottest month: August 26°C 78.8°F
Driest month: July 18mm 0.7ins
Sunniest month: July 11.6hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 193mm 7.6ins
Warmest sea: August 13.5°C 56.3°F
Map showing location of Beaverton (45.48706, -122.80371) Beaverton map pin © Google

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