The Dalles (OR) monthly weather averages

Contents

Average daytime temperature

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

The Dalles average temperature chart (Celsius) The Dalles average temperature chart (Fahrenheit)
Average monthly temperatures in The Dalles (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.1 8 12.2 15.9 20.5 24.9 28.6 28.5 23.8 17.2 9 4.4
°F 39.4 46.3 54 60.5 68.8 76.8 83.5 83.3 74.9 63 48.2 39.9

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.

The Dalles monthly rainfall chart (mm) The Dalles monthly rainfall chart (inches)
Average monthly rainfall in The Dalles (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 102 65 56 31 23 18 6 12 19 42 83 101
inches 4 2.5 2.2 1.2 0.9 0.7 0.2 0.5 0.8 1.6 3.3 4
Rainy days 13 11 12 9 8 6 3 4 5 7 13 14

Average annual rainfall in The Dalles: 480.933mm (189.3 inches)

Average daily sunshine

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

The Dalles average daily sunshine chart
Average daily sunshine The Dalles
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.8 4.4 6.6 8 9.8 11 12.3 11.1 9.2 6.2 2.9 2.2

Day / night temperatures

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

The Dalles average minimum / maximum temperatures (Celsius) The Dalles average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in The Dalles (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.5 -1.6 -0.3 1.6 4.6 8.1 10.2 10.1 6.6 2.2 -0.2 -3
Max °C 4.3 8.2 12.5 16.2 20.9 25.3 29.1 29 24.3 17.6 9.2 4.6
Min °F 25.7 29.1 31.5 34.9 40.2 46.6 50.3 50.1 43.8 36 31.6 26.7
Max °F 32.7 37.9 43 48 54.9 62.1 67.3 67.1 59.7 49.8 40.1 33.4

Sea temperature

The graph below shows the average sea temperature.

The Dalles average sea temperature chart (Celsius) The Dalles average sea temperature chart (Fahrenheit)
Average sea temperature around The Dalles in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.9 8.8 8.9 9.1 9.9 11.2 12.6 13.3 13 11.8 10.4 9.3
°F 48 47.8 48 48.4 49.8 52.1 54.6 56 55.5 53.3 50.8 48.8

Wind speed

The graph below shows the average wind speed.

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

The Dalles relative humidity averages
Average relative humidity in The Dalles
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
79% 75% 67% 61% 57% 54% 49% 52% 59% 69% 78% 81%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

The Dalles weather stats

The Dalles weather statistics
Hottest month: July 28.6°C 83.5°F
Driest month: July 6mm 0.2ins
Sunniest month: July 12.3hrs
Coldest month: January 4.1°C 39.4°F
Wettest month: January 102mm 4ins
Warmest sea: August 13.3°C 55.9°F
Map showing location of The Dalles (45.59456, -121.17868) The Dalles map pin © Google

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