Climate and monthly weather forecastChiniak, AK
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Chiniak, Alaska, with an average temperature ranging between max 35.4°F (1.9°C) and min 30.7°F (-0.7°C). The coldest period is January, when temperatures fluctuate between an average high of 35.4°F (1.9°C) and a low of 30.7°F (-0.7°C). Weather in January »Weather in February
February, the last month of the winter in Chiniak, is also a wintry month, with an average temperature varying between 36.3°F (2.4°C) and 31.3°F (-0.4°C). Chiniak marks the onset of February with an average high-temperature of a still wintry 36.3°F (2.4°C), subtly divergent from January's 35.4°F (1.9°C). Weather in February »Weather in March
The first month of the spring, March, is still a cold month in Chiniak, Alaska, with an average temperature varying between 35.8°F (2.1°C) and 30.6°F (-0.8°C). Chiniak, Alaska, signifies an average high-temperature of a still cold 35.8°F (2.1°C) in March, closely mirroring the 36.3°F (2.4°C) of February. Weather in March »Weather in April
April, like March, in Chiniak, Alaska, is a wintry spring month, with an average temperature fluctuating between 35.8°F (2.1°C) and 39.7°F (4.3°C). The arrival of April marks a slight shift to an average high-temperature of a still icy 39.7°F (4.3°C) from March's 35.8°F (2.1°C). Weather in April »Weather in May
The last month of the spring, May, is a chilly month in Chiniak, Alaska, with an average temperature varying between 45.3°F (7.4°C) and 41.5°F (5.3°C). The onset of May marks a slight increase in the average high-temperature, moving from a cold 39.7°F (4.3°C) in April to a frosty 45.3°F (7.4°C). Weather in May »Weather in June
June, the first month of the summer in Chiniak, is a fresh month, with an average temperature varying between 46°F (7.8°C) and 51.4°F (10.8°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a frosty 45.3°F (7.4°C) in May to a cool 51.4°F (10.8°C). Weather in June »Weather in July
July is a mild summer month in Chiniak, Alaska, with an average temperature varying between 50.5°F (10.3°C) and 56.5°F (13.6°C). In July, Chiniak notes an average high-temperature of a moderate 56.5°F (13.6°C), hardly different from the preceding month. Weather in July »Weather in August
August, the last month of the summer in Chiniak, is also a moderate month, with an average temperature fluctuating between 50.7°F (10.4°C) and 57.6°F (14.2°C). In Chiniak, August is identified by the highest average temperatures, reaching a peak of 57.6°F (14.2°C) and a low of 50.7°F (10.4°C). Weather in August »Weather in September
September, the first month of the autumn in Chiniak, is still a cool month, with an average temperature ranging between min 47.7°F (8.7°C) and max 53.1°F (11.7°C). The unfolding of September shows an average high-temperature of a cool 53.1°F (11.7°C), indicating a slight variance from August's 57.6°F (14.2°C). Weather in September »Weather in October
October, the same as September, in Chiniak, Alaska, is another chilly autumn month, with an average temperature ranging between max 46.2°F (7.9°C) and min 41.9°F (5.5°C). The average high-temperature slightly decreases in October, shifting from a fresh 53.1°F (11.7°C) in September to a frosty 46.2°F (7.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Chiniak, Alaska, with an average temperature varying between 34.9°F (1.6°C) and 39.9°F (4.4°C). During the shift to November, Chiniak records a mild decrease in average high-temperature, moving from a chilly 46.2°F (7.9°C) in October to a wintry 39.9°F (4.4°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Chiniak, Alaska, with an average temperature fluctuating between 32°F (0°C) and 36.9°F (2.7°C). In Chiniak, December's average high-temperature stands at a still icy 36.9°F (2.7°C), closely related to the preceding month. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Chiniak, AK
The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).
Average pressure
Chiniak, AK
- Average pressure in January:
29.56"Hg - Average pressure in February:
29.72"Hg - Average pressure in March:
29.7"Hg - Average pressure in April:
29.75"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.86"Hg - Average pressure in September:
29.71"Hg - Average pressure in October:
29.62"Hg - Average pressure in November:
29.57"Hg - Average pressure in December:
29.55"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is December (29.55"Hg).
Average wind speed
Chiniak, AK
- Average wind speed in January:
13.9mph - Average wind speed in February:
13.6mph - Average wind speed in March:
12.4mph - Average wind speed in April:
11.9mph - Average wind speed in May:
10.4mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
8.6mph - Average wind speed in September:
10.3mph - Average wind speed in October:
12.2mph - Average wind speed in November:
13.9mph - Average wind speed in December:
14.2mph
The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity
Chiniak, AK
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are March and November (80%).
Average rainfall
Chiniak, AK
- Average rainfall in January:
3.66" - Average rainfall in February:
2.8" - Average rainfall in March:
2.36" - Average rainfall in April:
2.68" - Average rainfall in May:
2.72" - Average rainfall in June:
2.05"
- Average rainfall in July:
1.85" - Average rainfall in August:
2.6" - Average rainfall in September:
3.27" - Average rainfall in October:
4.53" - Average rainfall in November:
4.53" - Average rainfall in December:
4.29"
The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days
Chiniak, AK
- Average rainfall days in January:
13.2 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
14.1 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
17.6 days - Average rainfall days in October:
16.7 days - Average rainfall days in November:
14 days - Average rainfall days in December:
14.8 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).
Average snowfall
Chiniak, AK
- Average snowfall in January:
2.52" - Average snowfall in February:
2.64" - Average snowfall in March:
3.15" - Average snowfall in April:
1.34" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Chiniak, AK
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
8.5 days - Average snowfall days in April:
4.7 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0.7 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
5.1 days
The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Chiniak, AK
- Average daylight in January:
7h and 24min - Average daylight in February:
9h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 24min - Average daylight in May:
16h and 42min - Average daylight in June:
17h and 54min
- Average daylight in July:
17h and 18min - Average daylight in August:
15h and 12min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 18min - Average daylight in November:
8h and 0min - Average daylight in December:
6h and 42min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in January:
2h and 36min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 30min - Average sunshine in April:
5h and 18min - Average sunshine in May:
6h and 54min - Average sunshine in June:
7h and 36min
- Average sunshine in July:
8h and 18min - Average sunshine in August:
7h and 36min - Average sunshine in September:
5h and 48min - Average sunshine in October:
5h and 6min - Average sunshine in November:
3h and 42min - Average sunshine in December:
2h and 36min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days
Chiniak, AK
- Average sunshine days in January:
11.9 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
10.7 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
11.8 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index
Chiniak, AK
The months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Chiniak, AK
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).
Average visibility
Chiniak, AK
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





