Shelton (WA) monthly weather averages

Average daytime temperature

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

Shelton average temperature chart (Celsius) Shelton average temperature chart (Fahrenheit)
Average monthly temperatures in Shelton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.9 9.4 11.7 14.3 17.8 20.7 23.1 23.6 20.9 15.6 10.3 7.2
°F 44.5 48.9 53 57.7 64 69.2 73.5 74.5 69.7 60 50.5 45

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.

Shelton monthly rainfall chart (mm) Shelton monthly rainfall chart (inches)
Average monthly rainfall in Shelton (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 246 190 175 104 67 51 31 39 70 141 240 263
inches 9.7 7.5 6.9 4.1 2.6 2 1.2 1.5 2.7 5.5 9.4 10.3
Rainy days 20 17 18 15 12 9 6 6 9 14 20 21

Average annual rainfall in Shelton: 1538.067mm (605.5 inches)

Average daily sunshine

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

Shelton average daily sunshine chart
Average daily sunshine Shelton
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.6 4.1 5.8 7.1 8.6 9.2 10.6 9.5 7.7 5 2.8 2.1

Day / night temperatures

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

Shelton average minimum / maximum temperatures (Celsius) Shelton average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Shelton (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.5 1.4 1.9 3.3 6 8.5 10 10.5 8.6 5.4 3 1.1
Max °C 7.1 9.6 11.9 14.6 18.1 21 23.4 24 21.3 15.8 10.5 7.4
Min °F 32.9 34.5 35.4 37.9 42.7 47.2 50 50.8 47.4 41.7 37.3 33.9
Max °F 38.8 41.9 44.4 48 53.6 58.5 62.1 63 58.8 51.1 44.1 39.6

Sea temperature

The graph below shows the average sea temperature.

Shelton average sea temperature chart (Celsius) Shelton average sea temperature chart (Fahrenheit)
Average sea temperature around Shelton in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.4 8.3 8.7 9.8 11.6 13.2 14.2 14.4 13.7 11.8 10.3 9
°F 47 46.9 47.7 49.6 52.8 55.8 57.6 57.9 56.6 53.3 50.5 48.2

Wind speed

The graph below shows the average wind speed.

Shelton average winspeed by month (km/h) Shelton average winspeed by month (mph)
Average wind speed in Shelton (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 13 13 13 12 12 11 10 11 13 13
mph 8 8 8 8 8 8 7 7 7 7 8 8

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.

Shelton relative humidity averages
Average relative humidity in Shelton
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
86% 83% 80% 76% 74% 74% 73% 74% 79% 84% 86% 87%