Lake Cowichan monthly weather averages

Contents

Average daytime temperature

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

Lake Cowichan average temperature chart (Celsius) Lake Cowichan average temperature chart (Fahrenheit)
Average monthly temperatures in Lake Cowichan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4 5.8 7.6 10.5 14.4 17.7 21.1 21.8 18.6 12.6 6.7 3.9
°F 39.2 42.5 45.7 50.9 57.8 63.9 69.9 71.2 65.4 54.7 44 39.1

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.

Lake Cowichan monthly rainfall chart (mm) Lake Cowichan monthly rainfall chart (inches)
Average monthly rainfall in Lake Cowichan (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 341 279 250 148 101 72 51 57 100 256 362 378
inches 13.4 11 9.8 5.8 4 2.8 2 2.2 3.9 10.1 14.3 14.9
Rainy days 20 17 19 16 13 11 7 8 10 17 20 20

Average annual rainfall in Lake Cowichan: 2319.567mm (913.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Lake Cowichan

Lake Cowichan average daily sunshine chart
Average daily sunshine Lake Cowichan
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.7 2.9 3.9 5 6.5 6.9 8.4 7.7 6.1 4 2 1.5

Day / night temperatures

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

Lake Cowichan average minimum / maximum temperatures (Celsius) Lake Cowichan average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Lake Cowichan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -1.6 -1 -0.4 1.3 4.2 7.2 9.3 9.8 7.4 4.2 0.8 -1.3
Max °C 4.2 6 7.8 10.7 14.6 18 21.4 22.1 18.9 12.8 6.8 4.1
Min °F 29.2 30.2 31.3 34.3 39.6 45 48.7 49.6 45.2 39.6 33.4 29.8
Max °F 34.3 36.5 38.7 42.8 48.9 54.7 59.5 60.6 55.6 47.3 38.8 34.5

Sea temperature

The graph below shows the average sea temperature.

Lake Cowichan average sea temperature chart (Celsius) Lake Cowichan average sea temperature chart (Fahrenheit)
Average sea temperature around Lake Cowichan in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 8.1 8.6 9.8 11.6 13.2 14.1 14.2 13.4 11.5 10 8.8
°F 46.7 46.6 47.5 49.6 52.9 55.8 57.4 57.5 56.2 52.8 50.1 47.8

Wind speed

The graph below shows the average wind speed.

Lake Cowichan average winspeed by month (km/h) Lake Cowichan average winspeed by month (mph)
Average wind speed in Lake Cowichan (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 14 14 13 13 13 12 11 12 15 15
mph 9 9 9 9 8 8 8 7 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.

Lake Cowichan relative humidity averages
Average relative humidity in Lake Cowichan
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
86% 84% 80% 77% 76% 77% 77% 79% 82% 86% 87% 87%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Lake Cowichan weather stats

Lake Cowichan weather statistics
Hottest month: August 21.8°C 71.2°F
Driest month: July 51mm 2ins
Sunniest month: August 7.7hrs
Coldest month: January 4°C 39.2°F
Wettest month: December 378mm 14.9ins
Warmest sea: August 14.2°C 57.6°F
Map showing location of Lake Cowichan (48.82495, -124.05461) Lake Cowichan map pin © Google

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