The bar chart below shows the average monthly peak daytime temperatures at Ketchikan
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 2 | 3.7 | 5.1 | 7.9 | 11.4 | 14.6 | 16.7 | 16.8 | 13.7 | 9.1 | 4.7 | 2.6 |
°F | 35.6 | 38.6 | 41.2 | 46.2 | 52.5 | 58.3 | 62 | 62.2 | 56.7 | 48.3 | 40.5 | 36.7 |
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 | 285 | 267 | 237 | 236 | 188 | 157 | 154 | 222 | 279 | 480 | 358 | 341 |
inches | 11.2 | 10.5 | 9.3 | 9.3 | 7.4 | 6.2 | 6.1 | 8.8 | 11 | 18.9 | 14.1 | 13.4 |
Rainy days | 19 | 17 | 18 | 17 | 16 | 15 | 14 | 15 | 18 | 23 | 21 | 21 |
Average annual rainfall in Ketchikan: 3128.534mm (1231.7 inches)
The bar chart below shows the average daily sunshine hours in Ketchikan
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 1.9 | 2.8 | 3.6 | 5.2 | 6.3 | 5.9 | 5.3 | 5.2 | 3.8 | 2.4 | 1.8 | 1.3 |
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 | -3.4 | -2 | -1.1 | 0.8 | 3.6 | 6.6 | 9 | 9.3 | 6.9 | 3.6 | -0.5 | -2.4 |
Max °C | 2.2 | 3.8 | 5.3 | 8.1 | 11.6 | 14.8 | 16.9 | 17 | 13.9 | 9.2 | 4.9 | 2.8 |
Min °F | 26 | 28.4 | 30.1 | 33.4 | 38.5 | 43.9 | 48.1 | 48.7 | 44.4 | 38.5 | 31.2 | 27.8 |
Max °F | 30.9 | 33.6 | 35.8 | 39.9 | 45.7 | 51.3 | 55.2 | 55.6 | 50.7 | 43.5 | 36 | 32.4 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.5 | 6.1 | 6.1 | 7 | 8.8 | 11.1 | 12.8 | 13.2 | 11.8 | 9.9 | 8.3 | 7.2 |
°F | 43.7 | 43 | 43 | 44.6 | 47.8 | 51.9 | 55 | 55.8 | 53.3 | 49.8 | 47 | 44.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 17 | 16 | 16 | 14 | 13 | 12 | 12 | 14 | 17 | 17 | 17 |
mph | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 11 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
78% | 78% | 75% | 74% | 74% | 76% | 79% | 81% | 83% | 83% | 80% | 80% |
Hottest month: | August | 16.8°C 62.2°F |
---|---|---|
Driest month: | July | 154mm 6.1ins |
Sunniest month: | May | 6.3hrs |
Coldest month: | January | 2°C 35.6°F |
Wettest month: | October | 480mm 18.9ins |
Warmest sea: | August | 13.2°C 55.8°F |