The bar chart below shows the average monthly peak daytime temperatures at Willisau
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 1.1 | 2.8 | 6.5 | 10.9 | 14.9 | 18.6 | 21 | 19.9 | 17 | 11.8 | 6.1 | 2.1 |
°F | 33.9 | 37 | 43.7 | 51.7 | 58.9 | 65.4 | 69.7 | 67.9 | 62.7 | 53.3 | 42.9 | 35.8 |
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.
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 | 73 | 69 | 69 | 88 | 107 | 135 | 125 | 146 | 95 | 67 | 87 | 73 |
inches | 2.9 | 2.7 | 2.7 | 3.4 | 4.2 | 5.3 | 4.9 | 5.8 | 3.7 | 2.6 | 3.4 | 2.9 |
Rainy days | 15 | 14 | 16 | 17 | 19 | 17 | 16 | 17 | 13 | 13 | 15 | 15 |
Average annual rainfall in Willisau: 1186.4mm (467.1 inches)
The bar chart below shows the average daily sunshine hours in Willisau
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 2.4 | 3.6 | 4.5 | 5.3 | 5.9 | 6.7 | 7.7 | 6.9 | 6 | 4.3 | 2.8 | 2.3 |
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 | -4.2 | -3.1 | -0.9 | 2.5 | 6.3 | 9.6 | 11.4 | 10.9 | 8.8 | 5 | 0.4 | -3.1 |
Max °C | 1.2 | 2.9 | 6.7 | 11.2 | 15.2 | 18.8 | 21.2 | 20.2 | 17.3 | 12 | 6.2 | 2.3 |
Min °F | 24.4 | 26.4 | 30.4 | 36.4 | 43.3 | 49.3 | 52.5 | 51.5 | 47.8 | 41 | 32.7 | 26.5 |
Max °F | 29.3 | 31.8 | 37.2 | 44.2 | 51.3 | 57.6 | 61.3 | 59.9 | 55.4 | 47.3 | 37.9 | 31.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10 | 9 | 9.4 | 11.5 | 15.1 | 18.8 | 21.4 | 22.3 | 20.5 | 17.6 | 14.6 | 11.9 |
°F | 50 | 48.2 | 48.9 | 52.7 | 59.2 | 65.9 | 70.6 | 72.2 | 68.9 | 63.7 | 58.2 | 53.5 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 10 | 9 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 7 | 9 | 9 |
mph | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 5 | 5 | 6 | 6 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
81% | 78% | 73% | 72% | 74% | 74% | 72% | 75% | 78% | 81% | 81% | 80% |
Hottest month: | July | 21°C 69.8°F |
---|---|---|
Driest month: | October | 67mm 2.6ins |
Sunniest month: | July | 7.7hrs |
Coldest month: | January | 1.1°C 34°F |
Wettest month: | August | 146mm 5.7ins |
Warmest sea: | August | 22.3°C 72.1°F |