The bar chart below shows the average monthly peak daytime temperatures at Butte
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -1.4 | 1.5 | 7.8 | 16.1 | 22.2 | 27.6 | 31.2 | 29.8 | 24.4 | 17.9 | 8 | 0.2 |
°F | 29.5 | 34.8 | 46 | 61.1 | 71.9 | 81.7 | 88.1 | 85.7 | 76 | 64.2 | 46.5 | 32.3 |
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.
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 | 12 | 16 | 39 | 63 | 86 | 94 | 82 | 59 | 59 | 37 | 23 | 15 |
inches | 0.5 | 0.6 | 1.5 | 2.5 | 3.4 | 3.7 | 3.2 | 2.3 | 2.3 | 1.5 | 0.9 | 0.6 |
Rainy days | 5 | 6 | 7 | 9 | 11 | 10 | 9 | 8 | 7 | 5 | 5 | 5 |
Average annual rainfall in Butte: 527.4mm (207.6 inches)
The bar chart below shows the average daily sunshine hours in Butte
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6.6 | 7.2 | 7.9 | 9 | 10.2 | 11.7 | 12.3 | 11.2 | 9.4 | 8 | 6.1 | 5.7 |
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 | -13.9 | -10.9 | -5.3 | 1.5 | 7.9 | 13.3 | 16.5 | 14.8 | 9 | 2.4 | -5 | -11.7 |
Max °C | -1.1 | 1.9 | 8.1 | 16.5 | 22.5 | 28 | 31.6 | 30.2 | 24.8 | 18.3 | 8.4 | 0.5 |
Min °F | 7 | 12.5 | 22.5 | 34.7 | 46.2 | 55.9 | 61.6 | 58.6 | 48.2 | 36.2 | 23.1 | 11 |
Max °F | 18.5 | 23.9 | 34.5 | 48.2 | 59.4 | 69.1 | 75.2 | 72.5 | 62.4 | 50.5 | 35.1 | 21.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.8 | 8.6 | 9 | 10 | 11.5 | 13.7 | 16.1 | 18.6 | 17.6 | 14.4 | 11.7 | 9.8 |
°F | 47.9 | 47.5 | 48.2 | 50 | 52.8 | 56.6 | 61 | 65.5 | 63.6 | 58 | 53 | 49.6 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 18 | 18 | 20 | 21 | 20 | 18 | 16 | 17 | 17 | 17 | 18 | 18 |
mph | 11 | 11 | 13 | 13 | 12 | 11 | 10 | 10 | 11 | 11 | 11 | 11 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
68% | 70% | 68% | 61% | 62% | 63% | 63% | 65% | 64% | 63% | 68% | 71% |
Hottest month: | July | 31.2°C 88.2°F |
---|---|---|
Driest month: | January | 12mm 0.5ins |
Sunniest month: | July | 12.3hrs |
Coldest month: | January | -1.4°C 29.5°F |
Wettest month: | June | 94mm 3.7ins |
Warmest sea: | August | 18.6°C 65.5°F |