The bar chart below shows the average monthly peak daytime temperatures at Iiyama
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 1.9 | 2.5 | 6.5 | 14.4 | 19.5 | 22.4 | 26.2 | 28 | 22.7 | 16.8 | 11.2 | 5.3 |
°F | 35.5 | 36.6 | 43.6 | 57.9 | 67.1 | 72.3 | 79.2 | 82.4 | 72.8 | 62.2 | 52.1 | 41.5 |
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 | 111 | 84 | 78 | 79 | 95 | 158 | 182 | 153 | 176 | 114 | 103 | 107 |
inches | 4.4 | 3.3 | 3.1 | 3.1 | 3.7 | 6.2 | 7.2 | 6 | 6.9 | 4.5 | 4 | 4.2 |
Rainy days | 25 | 23 | 22 | 17 | 17 | 20 | 21 | 19 | 20 | 17 | 19 | 23 |
Average annual rainfall in Iiyama: 1613.534mm (635.2 inches)
The bar chart below shows the average daily sunshine hours in Iiyama
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4.3 | 4.7 | 5.8 | 6.5 | 6.9 | 5.2 | 5.2 | 6.2 | 4.4 | 4.9 | 4.7 | 4.4 |
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 | -6.8 | -6.4 | -3.5 | 2.8 | 8 | 13.4 | 18 | 19.2 | 14.8 | 7.4 | 1.4 | -3.7 |
Max °C | 2.2 | 2.8 | 6.7 | 14.7 | 19.8 | 22.6 | 26.4 | 28.2 | 22.9 | 17 | 11.4 | 5.5 |
Min °F | 19.9 | 20.6 | 25.7 | 37 | 46.4 | 56.1 | 64.4 | 66.6 | 58.6 | 45.3 | 34.5 | 25.3 |
Max °F | 27.9 | 28.8 | 34.9 | 47.7 | 57 | 64.4 | 72 | 74.7 | 65.8 | 54 | 43.5 | 33.6 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 13 | 11.5 | 11.4 | 12.7 | 15.6 | 19.3 | 22.8 | 25.7 | 24.5 | 21.5 | 18.6 | 15.6 |
°F | 55.4 | 52.6 | 52.6 | 54.9 | 60 | 66.8 | 73 | 78.2 | 76.1 | 70.7 | 65.4 | 60.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 11 | 10 | 11 | 10 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 10 |
mph | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
76% | 74% | 70% | 67% | 68% | 77% | 81% | 78% | 80% | 77% | 75% | 75% |
Hottest month: | August | 28°C 82.4°F |
---|---|---|
Driest month: | March | 78mm 3.1ins |
Sunniest month: | April | 6.5hrs |
Coldest month: | January | 1.9°C 35.4°F |
Wettest month: | July | 182mm 7.2ins |
Warmest sea: | August | 25.7°C 78.3°F |