Rocky Mountain House monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Rocky Mountain House
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -5.5 | -2 | 2.4 | 9.8 | 15.6 | 19.6 | 21.6 | 20.9 | 16.1 | 11.3 | 1.1 | -4.5 |
| °F | 22.1 | 28.5 | 36.2 | 49.7 | 60.1 | 67.2 | 70.8 | 69.7 | 60.9 | 52.4 | 33.9 | 23.8 |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 29 | 17 | 24 | 29 | 64 | 106 | 103 | 75 | 51 | 24 | 20 | 24 |
| inches | 1.1 | 0.7 | 0.9 | 1.1 | 2.5 | 4.2 | 4.1 | 2.9 | 2 | 0.9 | 0.8 | 0.9 |
| Rainy days | 11 | 8 | 9 | 8 | 12 | 14 | 15 | 12 | 11 | 7 | 7 | 9 |
Average annual rainfall in Rocky Mountain House: 501.9mm (197.6 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Rocky Mountain House
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 3 | 4.3 | 5.4 | 7.1 | 8.2 | 9 | 9.8 | 8.9 | 6.3 | 5.6 | 3.7 | 2.6 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | -17.8 | -15 | -9.9 | -3.2 | 2.1 | 6.3 | 8.3 | 7.4 | 2.4 | -2.3 | -10.6 | -16.6 |
| Max °C | -5.2 | -1.7 | 2.7 | 10.2 | 16 | 19.9 | 21.9 | 21.3 | 16.4 | 11.7 | 1.4 | -4.3 |
| Min °F | -0 | 5.1 | 14.3 | 26.3 | 35.7 | 43.3 | 46.9 | 45.2 | 36.3 | 28 | 13 | 2.2 |
| Max °F | 11.3 | 17.1 | 25.5 | 38.3 | 48.2 | 55.6 | 59.2 | 57.7 | 48.9 | 40.5 | 23.7 | 13.3 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 4.9 | 4.8 | 5 | 5.5 | 6.5 | 8.2 | 10.1 | 11.7 | 10.9 | 8.6 | 6.5 | 5.3 |
| °F | 40.8 | 40.7 | 41 | 41.9 | 43.7 | 46.7 | 50.2 | 53 | 51.6 | 47.5 | 43.8 | 41.5 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 11 | 11 | 12 | 13 | 13 | 13 | 11 | 10 | 11 | 12 | 11 | 11 |
| mph | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74% | 73% | 73% | 65% | 62% | 67% | 71% | 73% | 73% | 67% | 75% | 77% |
Other monthly averages
Rocky Mountain House weather stats
| Hottest month: | July | 21.6°C 70.9°F |
|---|---|---|
| Driest month: | February | 17mm 0.7ins |
| Sunniest month: | August | 8.9hrs |
| Coldest month: | January | -5.5°C 22.1°F |
| Wettest month: | June | 106mm 4.2ins |
| Warmest sea: | August | 11.7°C 53.1°F |
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