The bar chart below shows the average monthly peak daytime temperatures at Unalaska
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 1.6 | 0.4 | 1.4 | 2.7 | 5.7 | 8.8 | 10.9 | 11.9 | 10.5 | 7.1 | 4.5 | 2.9 |
°F | 34.9 | 32.7 | 34.6 | 36.9 | 42.3 | 47.8 | 51.6 | 53.4 | 51 | 44.8 | 40.2 | 37.3 |
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 | 77 | 60 | 61 | 53 | 54 | 50 | 61 | 84 | 100 | 104 | 109 | 94 |
inches | 3 | 2.3 | 2.4 | 2.1 | 2.1 | 2 | 2.4 | 3.3 | 3.9 | 4.1 | 4.3 | 3.7 |
Rainy days | 19 | 17 | 18 | 18 | 17 | 16 | 17 | 20 | 21 | 23 | 22 | 21 |
Average annual rainfall in Unalaska: 794.434mm (312.8 inches)
The bar chart below shows the average daily sunshine hours in Unalaska
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6.5 | 7.6 | 8 | 8 | 8.5 | 8.2 | 7.7 | 7.4 | 7.2 | 6.3 | 5.8 | 6 |
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 | -4.3 | -3.6 | -1.9 | 1.2 | 3.9 | 6.6 | 7.8 | 6 | 2.4 | -0.1 | -1.7 |
Max °C | 1.8 | 0.5 | 1.6 | 2.9 | 5.9 | 8.9 | 11 | 12 | 10.7 | 7.3 | 4.7 | 3.1 |
Min °F | 26.7 | 24.3 | 25.6 | 28.7 | 34.1 | 39 | 43.9 | 46 | 42.7 | 36.2 | 31.9 | 29 |
Max °F | 30.9 | 28.6 | 30.2 | 32.9 | 38.3 | 43.5 | 47.8 | 49.8 | 46.9 | 40.6 | 36.1 | 33.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.5 | 4 | 4 | 4.3 | 5.4 | 7.1 | 9 | 10.3 | 9.9 | 8.3 | 6.7 | 5.5 |
°F | 40.1 | 39.2 | 39.1 | 39.7 | 41.7 | 44.8 | 48.1 | 50.6 | 49.8 | 47 | 44.1 | 41.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 28 | 29 | 27 | 27 | 24 | 23 | 22 | 23 | 24 | 26 | 27 | 28 |
mph | 18 | 18 | 17 | 17 | 15 | 14 | 14 | 14 | 15 | 16 | 17 | 17 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
83% | 83% | 83% | 83% | 85% | 87% | 90% | 90% | 87% | 83% | 83% | 84% |
Hottest month: | August | 11.9°C 53.4°F |
---|---|---|
Driest month: | June | 50mm 2ins |
Sunniest month: | February | 7.6hrs |
Coldest month: | February | 0.4°C 32.7°F |
Wettest month: | November | 109mm 4.3ins |
Warmest sea: | August | 10.3°C 50.5°F |