Asotin (WA) monthly weather averages

Average daytime temperature

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

Asotin average temperature chart (Celsius) Asotin average temperature chart (Fahrenheit)
Average monthly temperatures in Asotin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.4 7.2 11 15.5 20.3 25.4 30.5 30.2 24.3 16.7 8.3 3.9
°F 38.1 45 51.8 59.9 68.6 77.7 86.9 86.4 75.7 62.1 46.9 39

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.

Asotin monthly rainfall chart (mm) Asotin monthly rainfall chart (inches)
Average monthly rainfall in Asotin (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 41 29 34 33 37 35 17 21 21 29 39 40
inches 1.6 1.2 1.3 1.3 1.5 1.4 0.7 0.8 0.8 1.1 1.5 1.6
Rainy days 11 10 11 10 9 8 5 5 6 7 11 12

Average annual rainfall in Asotin: 304.834mm (120 inches)

Average daily sunshine

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

Asotin average daily sunshine chart
Average daily sunshine Asotin
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.8 4.2 6.6 8.2 9.8 11.1 14.5 13 10.1 7 3.2 2.5

Day / night temperatures

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

Asotin average minimum / maximum temperatures (Celsius) Asotin average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Asotin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.4 -1.1 0.8 3.4 7 10.9 13.3 13.2 9 4.2 0.6 -2.7
Max °C 3.6 7.5 11.3 15.8 20.7 25.8 30.9 30.7 24.7 17.1 8.5 4.1
Min °F 26 30.1 33.4 38.1 44.5 51.5 55.9 55.7 48.1 39.5 33 27.2
Max °F 32.2 37.8 42.8 49.3 56.8 64.9 71.8 71.4 62.2 51.1 40.1 33.3

Sea temperature

The graph below shows the average sea temperature.

Asotin average sea temperature chart (Celsius) Asotin average sea temperature chart (Fahrenheit)
Average sea temperature around Asotin in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8.1 8.2 8.5 9.4 10.9 12.6 13.7 13.2 11.6 9.9 8.7
°F 46.8 46.6 46.8 47.3 48.9 51.6 54.7 56.7 55.8 53 49.9 47.6

Wind speed

The graph below shows the average wind speed.

Asotin average winspeed by month (km/h) Asotin average winspeed by month (mph)
Average wind speed in Asotin (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 14 15 16 15 15 14 14 13 12 13 13
mph 8 9 9 10 9 9 9 9 8 8 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.

Asotin relative humidity averages
Average relative humidity in Asotin
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 77% 67% 59% 56% 51% 41% 42% 52% 64% 79% 83%