Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Akiachak features a subarctic climate (Dfc).Temperatures typically range between -14 °C (8 °F) and 14 °C (58 °F) through the year, but rarely can drop to -37 °C (-35 °F) or can rise to as high as 31 °C (89 °F).The average annual precipitation amounts to about 754 mm (29.7 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually.Akiachak enjoys an average of 1985 hours of sunshine throughout the year, and daylight varies from 5 hours 41 minutes to 19 hours 3 minutes per day.
The warmest months in Akiachak are June, July and August, with daily mean temperatures ranging from 13 to 14 °C (55 - 58 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -14 to -10 °C (8 - 14 °F) throughout the day. On average each year, Akiachak experiences 1 days above 25 °C (77.0 °F) and 172 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 5°C (42°F) | 5°C (41°F) | 10°C (50°F) | 14°C (58°F) | 23°C (74°F) | 24°C (76°F) | 31°C (89°F) | 27°C (80°F) | 19°C (66°F) | 19°C (67°F) | 5°C (41°F) | 6°C (43°F) |
Mean maximum | 3°C (38°F) | 3°C (38°F) | 3°C (37°F) | 12°C (53°F) | 20°C (68°F) | 22°C (72°F) | 25°C (78°F) | 23°C (73°F) | 17°C (64°F) | 12°C (54°F) | 4°C (39°F) | 4°C (40°F) |
Average high | -11°C (13°F) | -7°C (20°F) | -4°C (25°F) | 4°C (39°F) | 12°C (54°F) | 17°C (62°F) | 18°C (64°F) | 16°C (61°F) | 12°C (53°F) | 6°C (42°F) | -4°C (25°F) | -7°C (19°F) |
Daily mean | -14°C (8°F) | -10°C (14°F) | -8°C (18°F) | 0°C (33°F) | 8°C (46°F) | 13°C (56°F) | 14°C (58°F) | 13°C (55°F) | 8°C (47°F) | 3°C (37°F) | -6°C (21°F) | -10°C (14°F) |
Average low | -17°C (2°F) | -13°C (8°F) | -11°C (12°F) | -3°C (26°F) | 4°C (39°F) | 9°C (49°F) | 11°C (53°F) | 10°C (50°F) | 6°C (43°F) | 0°C (33°F) | -9°C (16°F) | -13°C (8°F) |
Mean minimum | -31°C (-24°F) | -26°C (-15°F) | -23°C (-10°F) | -16°C (4°F) | -3°C (27°F) | 6°C (43°F) | 8°C (46°F) | 5°C (42°F) | -0°C (32°F) | -9°C (17°F) | -20°C (-3°F) | -28°C (-19°F) |
Minimum | -37°C (-35°F) | -34°C (-29°F) | -30°C (-21°F) | -25°C (-13°F) | -7°C (20°F) | 3°C (37°F) | 7°C (44°F) | 3°C (38°F) | -4°C (25°F) | -11°C (12°F) | -33°C (-26°F) | -33°C (-27°F) |
Compare temperature, precipitation, sunshine, UV index in Akiachak, Alaska, United States with other places around the world.
Akiachak usually has the most precipitation in August, September and October, with an average of 15 rainy days and 90 mm (3.5 inches) of precipitation per month.The driest months in Akiachak are January, March and April. On average, 40 mm (1.6 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 26 (1.0) | 56 (2.2) | 47 (1.8) | 46 (1.8) | 62 (2.4) | 65 (2.5) | 68 (2.7) | 93 (3.7) | 86 (3.4) | 91 (3.6) | 59 (2.3) | 57 (2.3) |
Average precipitation days (≥ 1 mm) | 7 | 13 | 10 | 8 | 15 | 14 | 13 | 14 | 16 | 16 | 11 | 12 |
The sunniest months in Akiachak are April, May and June, when the sun shines an average of 9 hours 7 minutes a day.Least sunny months in Akiachak: January, November and December receive an average of 2 hours 4 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 56 | 104 | 179 | 243 | 300 | 285 | 214 | 179 | 160 | 126 | 87 | 47 |
Mean daily daylight hours | 6h 35m | 9h 4m | 11h 54m | 14h 46m | 17h 28m | 19h 3m | 18h 8m | 15h 35m | 12h 46m | 9h 56m | 7h 15m | 5h 41m |
Akiachak experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 6, which corresponds to the Moderate / High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Akiachak UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 1 |