Weather World
Sitka Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 25°F Lo 10°F | Hi 28°F Lo 12°F | Hi 42°F Lo 25°F | Hi 54°F Lo 35°F | Hi 67°F Lo 48°F | Hi 79°F Lo 59°F | Hi 87°F Lo 65°F | Hi 85°F Lo 64°F | Hi 77°F Lo 56°F | Hi 57°F Lo 41°F | Hi 43°F Lo 28°F | Hi 28°F Lo 15°F |
| 10 mph | 9 mph | 10 mph | 11 mph | 11 mph | 10 mph | 9 mph | 9 mph | 10 mph | 11 mph | 10 mph | 10 mph |
| 0.5 in | 0.8 in | 1.2 in | 2.8 in | 3.8 in | 4.3 in | 2.8 in | 3.1 in | 2.1 in | 2.3 in | 0.7 in | 1.1 in |
| 85% | 81% | 74% | 64% | 62% | 62% | 54% | 52% | 51% | 59% | 66% | 80% |
| 56% | 54% | 52% | 46% | 39% | 31% | 24% | 23% | 24% | 34% | 38% | 52% |
| 30.2 in | 30.2 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in |
| 24 | 21 | 23 | 22 | 25 | 23 | 26 | 26 | 26 | 26 | 25 | 22 |
| 5 | 5 | 4 | 6 | 6 | 7 | 5 | 5 | 4 | 4 | 3 | 6 |
| 3 | 3 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 |
| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| 121 | 117 | 143 | 164 | 189 | 222 | 260 | 275 | 267 | 218 | 202 | 142 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -4°C Lo -12°C | Hi -2°C Lo -11°C | Hi 6°C Lo -4°C | Hi 12°C Lo 2°C | Hi 20°C Lo 9°C | Hi 26°C Lo 15°C | Hi 30°C Lo 19°C | Hi 29°C Lo 18°C | Hi 25°C Lo 13°C | Hi 14°C Lo 5°C | Hi 6°C Lo -2°C | Hi -2°C Lo -9°C |
| 16 km/h | 15 km/h | 17 km/h | 18 km/h | 17 km/h | 16 km/h | 15 km/h | 15 km/h | 17 km/h | 18 km/h | 16 km/h | 15 km/h |
| 12 mm | 20 mm | 31 mm | 70 mm | 97 mm | 108 mm | 71 mm | 79 mm | 52 mm | 58 mm | 18 mm | 29 mm |
| 85% | 81% | 74% | 64% | 62% | 62% | 54% | 52% | 51% | 59% | 66% | 80% |
| 56% | 54% | 52% | 46% | 39% | 31% | 24% | 23% | 24% | 34% | 38% | 52% |
| 1022 mb | 1021 mb | 1017 mb | 1014 mb | 1013 mb | 1010 mb | 1012 mb | 1012 mb | 1013 mb | 1014 mb | 1017 mb | 1020 mb |
| 24 | 21 | 23 | 22 | 25 | 23 | 26 | 26 | 26 | 26 | 25 | 22 |
| 5 | 5 | 4 | 6 | 6 | 7 | 5 | 5 | 4 | 4 | 3 | 6 |
| 3 | 3 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 |
| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| 121 | 117 | 143 | 164 | 189 | 222 | 260 | 275 | 267 | 218 | 202 | 142 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.