The bar chart below shows the average monthly peak daytime temperatures at Boise City
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.4 | 10.4 | 14.5 | 20.1 | 24.6 | 30.1 | 32.8 | 31.2 | 26.6 | 21.6 | 14.2 | 8.7 |
°F | 47.1 | 50.8 | 58.2 | 68.2 | 76.3 | 86.2 | 91 | 88.2 | 79.8 | 70.8 | 57.6 | 47.7 |
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 | 8 | 12 | 22 | 31 | 63 | 66 | 71 | 65 | 43 | 22 | 16 | 10 |
inches | 0.3 | 0.5 | 0.8 | 1.2 | 2.5 | 2.6 | 2.8 | 2.6 | 1.7 | 0.9 | 0.6 | 0.4 |
Rainy days | 4 | 4 | 5 | 5 | 8 | 8 | 9 | 9 | 7 | 4 | 4 | 4 |
Average annual rainfall in Boise City: 363.167mm (143 inches)
The bar chart below shows the average daily sunshine hours in Boise City
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 7.6 | 8.1 | 9 | 10.4 | 10.9 | 12 | 11.9 | 11 | 9.7 | 9.1 | 7.5 | 7.1 |
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 | -8.6 | -6.3 | -2.6 | 3.1 | 8.2 | 13.7 | 16.9 | 15.6 | 10.9 | 4 | -2.5 | -7.3 |
Max °C | 8.8 | 10.9 | 15 | 20.5 | 25 | 30.5 | 33.2 | 31.6 | 27 | 22 | 14.7 | 9.1 |
Min °F | 16.5 | 20.8 | 27.4 | 37.6 | 46.8 | 56.7 | 62.3 | 60.1 | 51.5 | 39.2 | 27.6 | 18.9 |
Max °F | 32.2 | 36.1 | 43.2 | 53.2 | 61.9 | 71.8 | 77 | 74.5 | 66 | 55.4 | 43 | 33.6 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 12.6 | 12.3 | 12.7 | 13.7 | 15.4 | 17.5 | 19.6 | 21.3 | 20.4 | 18 | 15.6 | 13.7 |
°F | 54.7 | 54.2 | 54.9 | 56.7 | 59.7 | 63.5 | 67.3 | 70.3 | 68.8 | 64.4 | 60.1 | 56.7 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 20 | 22 | 23 | 22 | 21 | 19 | 18 | 19 | 19 | 20 | 19 |
mph | 12 | 13 | 14 | 15 | 14 | 13 | 12 | 11 | 12 | 12 | 12 | 12 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
58% | 56% | 53% | 47% | 55% | 56% | 52% | 58% | 55% | 55% | 55% | 59% |
Hottest month: | July | 32.8°C 91°F |
---|---|---|
Driest month: | January | 8mm 0.3ins |
Sunniest month: | July | 11.9hrs |
Coldest month: | January | 8.4°C 47.1°F |
Wettest month: | July | 71mm 2.8ins |
Warmest sea: | August | 21.3°C 70.3°F |