Renton (WA) monthly weather averages

Contents

Average daytime temperature

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

Renton average temperature chart (Celsius) Renton average temperature chart (Fahrenheit)
Average monthly temperatures in Renton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 9.8 11.6 14.2 17.9 21.2 24 23.9 20.6 15.4 10.2 7.4
°F 44.5 49.6 52.9 57.5 64.2 70.1 75.1 75 69.2 59.7 50.4 45.3

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.

Renton monthly rainfall chart (mm) Renton monthly rainfall chart (inches)
Average monthly rainfall in Renton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 149 106 98 69 46 41 21 33 51 86 150 156
inches 5.9 4.2 3.9 2.7 1.8 1.6 0.8 1.3 2 3.4 5.9 6.1
Rainy days 18 15 16 13 11 8 5 6 9 12 17 19

Average annual rainfall in Renton: 931.567mm (366.8 inches)

Average daily sunshine

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

Renton average daily sunshine chart
Average daily sunshine Renton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.5 4.2 6.1 7.4 8.8 9.6 10.9 9.9 8 5.1 2.7 2

Day / night temperatures

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

Renton average minimum / maximum temperatures (Celsius) Renton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Renton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.1 2.5 3 4.6 7.5 10.6 12.2 12.3 10.1 6.8 3.8 1.7
Max °C 7.1 10 11.8 14.4 18.2 21.5 24.3 24.2 20.9 15.6 10.4 7.5
Min °F 34 36.4 37.4 40.3 45.4 51 53.9 54.1 50.2 44.2 38.8 35.1
Max °F 39.4 43.2 45.3 49.1 55 60.8 64.8 64.8 59.9 52.2 44.8 40.3

Sea temperature

The graph below shows the average sea temperature.

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

Renton average winspeed by month (km/h) Renton average winspeed by month (mph)
Average wind speed in Renton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 14 14 14 13 13 13 12 12 12 14 14
mph 9 9 9 9 8 8 8 8 7 8 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.

Renton relative humidity averages
Average relative humidity in Renton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
79% 76% 74% 71% 69% 67% 65% 68% 73% 79% 81% 81%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Renton weather stats

Renton weather statistics
Hottest month: July 24°C 75.2°F
Driest month: July 21mm 0.8ins
Sunniest month: July 10.9hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 156mm 6.1ins
Warmest sea: August 13.4°C 56.1°F
Map showing location of Renton (47.48288, -122.21707) Renton map pin © Google

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