The bar chart below shows the average monthly peak daytime temperatures at Longmont
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 5.2 | 7.7 | 10.7 | 15.9 | 20.9 | 26.3 | 29.9 | 28.6 | 23.7 | 18.3 | 10.5 | 6.3 |
°F | 41.4 | 45.9 | 51.2 | 60.7 | 69.7 | 79.4 | 85.9 | 83.4 | 74.6 | 64.9 | 50.9 | 43.4 |
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 | 13 | 14 | 36 | 49 | 74 | 49 | 46 | 34 | 35 | 27 | 24 | 15 |
inches | 0.5 | 0.6 | 1.4 | 1.9 | 2.9 | 1.9 | 1.8 | 1.3 | 1.4 | 1.1 | 0.9 | 0.6 |
Rainy days | 5 | 6 | 9 | 8 | 11 | 9 | 9 | 9 | 7 | 5 | 6 | 6 |
Average annual rainfall in Longmont: 348.367mm (137.2 inches)
The bar chart below shows the average daily sunshine hours in Longmont
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 7.4 | 8.1 | 8.8 | 9.9 | 10.1 | 11.3 | 11.3 | 10.7 | 9.8 | 8.6 | 7 | 6.8 |
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 | -9.2 | -6.5 | -3.6 | 1.1 | 6.3 | 10.9 | 14.3 | 13.1 | 8.2 | 2.6 | -3.5 | -7.7 |
Max °C | 5.6 | 8.1 | 11 | 16.3 | 21.3 | 26.7 | 30.3 | 29 | 24.1 | 18.7 | 10.9 | 6.7 |
Min °F | 15.4 | 20.4 | 25.5 | 34 | 43.3 | 51.6 | 57.7 | 55.5 | 46.7 | 36.6 | 25.8 | 18.2 |
Max °F | 28.8 | 33.4 | 38.7 | 47.7 | 56.8 | 65.8 | 72.1 | 69.8 | 61 | 51.1 | 38.7 | 31.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.4 | 10.2 | 10.5 | 11.2 | 12.6 | 14.4 | 16.6 | 18.4 | 17.6 | 15.3 | 13 | 11.3 |
°F | 50.8 | 50.4 | 50.9 | 52.2 | 54.6 | 58 | 61.9 | 65.1 | 63.7 | 59.5 | 55.4 | 52.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 17 | 18 | 18 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 17 |
mph | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
56% | 56% | 55% | 51% | 53% | 49% | 48% | 49% | 50% | 49% | 56% | 57% |
Hottest month: | July | 29.9°C 85.8°F |
---|---|---|
Driest month: | January | 13mm 0.5ins |
Sunniest month: | September | 9.8hrs |
Coldest month: | January | 5.2°C 41.4°F |
Wettest month: | May | 74mm 2.9ins |
Warmest sea: | August | 18.4°C 65.1°F |