The bar chart below shows the average monthly peak daytime temperatures at Kawaguchi
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 9.5 | 9.8 | 12.7 | 18.3 | 22.8 | 25.1 | 28.6 | 30.8 | 26.4 | 21.2 | 16.4 | 12 |
| °F | 49.1 | 49.6 | 54.8 | 65 | 73 | 77.2 | 83.5 | 87.4 | 79.6 | 70.1 | 61.6 | 53.7 |
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 | 43 | 58 | 95 | 119 | 132 | 181 | 128 | 147 | 181 | 158 | 84 | 44 |
| inches | 1.7 | 2.3 | 3.7 | 4.7 | 5.2 | 7.1 | 5 | 5.8 | 7.1 | 6.2 | 3.3 | 1.7 |
| Rainy days | 9 | 11 | 16 | 16 | 16 | 20 | 19 | 16 | 19 | 16 | 12 | 9 |
Average annual rainfall in Kawaguchi: 1545.4mm (608.4 inches)
The bar chart below shows the average daily sunshine hours in Kawaguchi
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 6.4 | 6 | 5.9 | 5.8 | 6.3 | 4.4 | 4.8 | 6.2 | 4.2 | 4.7 | 5.2 | 6.1 |
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 | 0.3 | 1 | 3.7 | 9.5 | 14.4 | 18.4 | 22.1 | 23.7 | 19.8 | 13.7 | 8 | 3 |
| Max °C | 9.7 | 10 | 12.9 | 18.6 | 23 | 25.3 | 28.8 | 31 | 26.6 | 21.4 | 16.7 | 12.3 |
| Min °F | 32.5 | 33.8 | 38.7 | 49 | 57.9 | 65 | 71.7 | 74.6 | 67.6 | 56.6 | 46.3 | 37.3 |
| Max °F | 41 | 41.9 | 46.9 | 57.2 | 65.7 | 71.2 | 77.7 | 81.1 | 73.8 | 63.5 | 54.1 | 45.7 |
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 16.7 | 15.7 | 15.9 | 17.3 | 19.9 | 22.2 | 24.5 | 26.3 | 25.3 | 22.9 | 20.9 | 18.6 |
| °F | 62.1 | 60.3 | 60.6 | 63.1 | 67.8 | 72 | 76.1 | 79.4 | 77.6 | 73.2 | 69.6 | 65.5 |
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 11 | 12 | 12 | 12 | 11 | 10 | 9 | 10 | 10 | 10 | 10 | 10 |
| mph | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 6 | 6 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 54% | 56% | 59% | 66% | 69% | 76% | 79% | 76% | 77% | 71% | 65% | 59% |
| Hottest month: | August | 30.8°C 87.4°F |
|---|---|---|
| Driest month: | January | 43mm 1.7ins |
| Sunniest month: | January | 6.4hrs |
| Coldest month: | January | 9.5°C 49.1°F |
| Wettest month: | June | 181mm 7.1ins |
| Warmest sea: | August | 26.3°C 79.3°F |