La Grande (OR) monthly weather averages

Average daytime temperature

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

La Grande average temperature chart (Celsius) La Grande average temperature chart (Fahrenheit)
Average monthly temperatures in La Grande (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.7 4.1 6.7 10.7 15.8 20.6 26 25.7 20.5 14.3 6.1 1.5
°F 33.2 39.4 44.1 51.2 60.4 69.1 78.7 78.3 69 57.7 42.9 34.6

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.

La Grande monthly rainfall chart (mm) La Grande monthly rainfall chart (inches)
Average monthly rainfall in La Grande (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 71 51 53 48 51 43 15 23 27 43 64 75
inches 2.8 2 2.1 1.9 2 1.7 0.6 0.9 1.1 1.7 2.5 2.9
Rainy days 12 11 12 10 8 7 4 5 6 7 12 13

Average annual rainfall in La Grande: 490.467mm (193.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in La Grande

La Grande average daily sunshine chart
Average daily sunshine La Grande
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.9 4.4 6.8 8.4 10.1 11.5 13.5 12.1 10 7.4 3.2 2.5

Day / night temperatures

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

La Grande average minimum / maximum temperatures (Celsius) La Grande average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in La Grande (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -7.3 -4.6 -3.6 -1.6 2.3 5.9 8.4 8.3 4.1 -0 -3.1 -6.3
Max °C 0.9 4.4 7 11 16.1 21 26.4 26.2 21 14.7 6.3 1.7
Min °F 19 23.8 25.5 29.2 36.1 42.5 47.1 46.9 39.3 31.9 26.4 20.8
Max °F 26.2 31.8 35.1 40.5 48.6 56.1 63.3 63 54.5 45.1 34.9 27.9

Sea temperature

The graph below shows the average sea temperature.

La Grande average sea temperature chart (Celsius) La Grande average sea temperature chart (Fahrenheit)
Average sea temperature around La Grande in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.8 8.7 8.7 9 9.8 11.3 13 13.9 13.5 12.1 10.5 9.3
°F 47.8 47.6 47.7 48.2 49.7 52.3 55.3 57.1 56.3 53.8 50.9 48.7

Wind speed

The graph below shows the average wind speed.

La Grande average winspeed by month (km/h) La Grande average winspeed by month (mph)
Average wind speed in La Grande (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 14 16 17 16 15 14 14 14 13 13 13
mph 8 9 10 10 10 9 9 9 9 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.

La Grande relative humidity averages
Average relative humidity in La Grande
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 72% 62% 56% 52% 47% 38% 39% 48% 59% 75% 79%