Climate and monthly weather forecastChefornak, AK
Climate and monthly weather forecast
Weather in January
January, the same as December, in Chefornak, Alaska, is another subzero cold winter month, with an average temperature fluctuating between 13.5°F (-10.3°C) and 19.4°F (-7°C). January is the coldest month, with an average high-temperature of 19.4°F (-7°C) and an average low-temperature of 13.5°F (-10.3°C). Weather in January »Weather in February
February, the last month of the winter in Chefornak, is also a subzero cold month, with an average temperature varying between 15.3°F (-9.3°C) and 22.1°F (-5.5°C). The arrival of February marks a slight shift to an average high-temperature of a still subzero cold 22.1°F (-5.5°C) from January's 19.4°F (-7°C). Weather in February »Weather in March
March, the first month of the spring in Chefornak, is still a freezing cold month, with an average temperature fluctuating between 21.9°F (-5.6°C) and 14.7°F (-9.6°C). The transition from February to March sees average high-temperatures adjusting to a still subzero cold 21.9°F (-5.6°C), from a not significantly different 22.1°F (-5.5°C). Weather in March »Weather in April
April, like March, is another subzero cold spring month in Chefornak, Alaska, with an average temperature varying between 30.4°F (-0.9°C) and 24.3°F (-4.3°C). With the onset of April, Chefornak experiences a subtle temperature shift, with the average high-temperature moving from 21.9°F (-5.6°C) in March to a still subzero cold 30.4°F (-0.9°C). Weather in April »Weather in May
May, the last month of the spring in Chefornak, is a wintry month, with an average temperature fluctuating between 38.1°F (3.4°C) and 33.6°F (0.9°C). May marks a minor ascent in the average high-temperature, adjusting from April's freezing cold 30.4°F (-0.9°C) to an icy 38.1°F (3.4°C). Weather in May »Weather in June
The first month of the summer, June, is a frosty month in Chefornak, Alaska, with an average temperature varying between 41.9°F (5.5°C) and 46.8°F (8.2°C). With the transition into June, Chefornak experiences a subtle uplift in average high-temperatures, adjusting from an icy 38.1°F (3.4°C) in May to a chilly 46.8°F (8.2°C). Weather in June »Weather in July
July is a fresh summer month in Chefornak, Alaska, with an average temperature ranging between min 46.9°F (8.3°C) and max 51.4°F (10.8°C). Chefornak observes an average high-temperature of a cool 51.4°F (10.8°C) in July, barely different from 46.8°F (8.2°C) in June. Weather in July »Weather in August
The last month of the summer, August, is another cool month in Chefornak, Alaska, with an average temperature fluctuating between 49.1°F (9.5°C) and 53.2°F (11.8°C). August is the month that records the highest temperatures, with averages ranging from a high of 53.2°F (11.8°C) to a low of 49.1°F (9.5°C). Weather in August »Weather in September
September, the first month of the autumn in Chefornak, is still a chilly month, with an average temperature varying between 46.2°F (7.9°C) and 49.3°F (9.6°C). The beginning of September records an average high-temperature of a frosty 49.3°F (9.6°C), almost echoing the conditions of the previous month. Weather in September »Weather in October
October, like September, in Chefornak, Alaska, is a wintry autumn month, with an average temperature varying between 38.8°F (3.8°C) and 41.9°F (5.5°C). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a chilly 49.3°F (9.6°C) to a cold 41.9°F (5.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Chefornak, Alaska, with an average temperature ranging between min 27.7°F (-2.4°C) and max 32.4°F (0.2°C). In the transition to November, Chefornak observes a drop in the average high-temperature, moving from a wintry 41.9°F (5.5°C) in October to a still icy 32.4°F (0.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Chefornak, Alaska, with an average temperature fluctuating between 24.8°F (-4°C) and 19.2°F (-7.1°C). A mild shift in the average high-temperature occurs in December, reducing from a wintry 32.4°F (0.2°C) in November to a freezing cold 24.8°F (-4°C). Weather in December »Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, having an average high-temperature of 19.4°F (-7°C) and an average low-temperature of 13.5°F (-10.3°C), is the coldest month.
The most humid month is January, with an average relative humidity of 91%.
Throughout the year, there are 137.7 rainfall days, and 20.43" (519mm) of precipitation is accumulated.
January through June, October through December are months with snowfall.
In Chefornak, during the entire year, snow falls for 87.7 days and aggregates up to 20.12" (511mm) of snow.
January, April, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from AKDT to AKST.
May has the most sunshine of the year, with an average of 7.5h of sunshine.
June is the month with the least rainfall. Rain falls for 12.5 days and accumulates 0.87" (22mm) of precipitation.
The month with the longest days is June, with an average of 18h and 48min of daylight.
June through August, with an average maximum UV index of 3, are months with the highest UV index.
July through September are months without snowfall.
August is the month when Chefornak's temperatures reach their peak, with averages of 53.2°F (11.8°C) and lows of 49.1°F (9.5°C).
The month with the most rainfall is September, when the rain falls for 21.1 days and typically aggregates up to 2.83" (72mm) of precipitation.
October is the least humid month, with an average relative humidity of 79%.
The month with the most snowfall is December, when snow falls for 14.7 days and typically aggregates up to 3.78" (96mm) of snow.
The month with the shortest days is December, with an average of 6h and 0min of daylight.
December has the least sunshine of the year, with an average of 1.8h of sunshine.
Average temperature
Chefornak, AK
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (19.4°F).
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Chefornak, AK
- Average pressure in January:
29.69"Hg - Average pressure in February:
29.76"Hg - Average pressure in March:
29.84"Hg - Average pressure in April:
29.78"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.84"Hg - Average pressure in September:
29.72"Hg - Average pressure in October:
29.62"Hg - Average pressure in November:
29.68"Hg - Average pressure in December:
29.6"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed
Chefornak, AK
- Average wind speed in January:
16.7mph - Average wind speed in February:
16.8mph - Average wind speed in March:
15.2mph - Average wind speed in April:
14mph - Average wind speed in May:
12.3mph - Average wind speed in June:
12mph
- Average wind speed in July:
11.7mph - Average wind speed in August:
13.5mph - Average wind speed in September:
16.4mph - Average wind speed in October:
18.9mph - Average wind speed in November:
19.3mph - Average wind speed in December:
17.6mph
The windiest month (with the highest average wind speed) is November (19.3mph).
The calmest month (with the lowest average wind speed) is July (11.7mph).
Average humidity
Chefornak, AK
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).
Average rainfall
Chefornak, AK
- Average rainfall in January:
1.22" - Average rainfall in February:
1.57" - Average rainfall in March:
1.18" - Average rainfall in April:
1.02" - Average rainfall in May:
0.94" - Average rainfall in June:
0.87"
The wettest month (with the highest rainfall) is September (2.83").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days
Chefornak, AK
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4 days - Average rainfall days in March:
4.8 days - Average rainfall days in April:
7.6 days - Average rainfall days in May:
11.9 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
20.5 days - Average rainfall days in September:
21.1 days - Average rainfall days in October:
18.3 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is September (21.1 days).
The month with the least rainy days is February (4 days).
Average snowfall
Chefornak, AK
- Average snowfall in January:
2.95" - Average snowfall in February:
3.35" - Average snowfall in March:
2.6" - Average snowfall in April:
2.44" - Average snowfall in May:
0.55" - Average snowfall in June:
0.04"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are July, August and September (0").
Average snowfall days
Chefornak, AK
- Average snowfall days in January:
13.8 days - Average snowfall days in February:
13.4 days - Average snowfall days in March:
13.5 days - Average snowfall days in April:
11.6 days - Average snowfall days in May:
4.4 days - Average snowfall days in June:
0.2 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:
5.4 days - Average snowfall days in November:
10.6 days - Average snowfall days in December:
14.7 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Chefornak, AK
- Average daylight in January:
6h and 54min - Average daylight in February:
9h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 18min - Average daylight in June:
18h and 48min
- Average daylight in July:
18h and 0min - Average daylight in August:
15h and 30min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 30min - Average daylight in December:
6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in January:
2h and 18min - Average sunshine in February:
2h and 48min - Average sunshine in March:
4h and 0min - Average sunshine in April:
4h and 42min - Average sunshine in May:
7h and 30min - Average sunshine in June:
6h and 42min
- Average sunshine in July:
5h and 6min - Average sunshine in August:
4h and 54min - Average sunshine in September:
3h and 36min - Average sunshine in October:
3h and 36min - Average sunshine in November:
2h and 6min - Average sunshine in December:
1h and 48min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days
Chefornak, AK
- Average sunshine days in January:
12.3 days - Average sunshine days in February:
8.5 days - Average sunshine days in March:
11.1 days - Average sunshine days in April:
10 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
6.6 days - Average sunshine days in September:
4.7 days - Average sunshine days in October:
6.5 days - Average sunshine days in November:
8.1 days - Average sunshine days in December:
8.9 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is September (4.7 days).
Average UV index
Chefornak, AK
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, April, November and December (UV index 1).
Average cloud cover
Chefornak, AK
The months with the most cloud cover are September and December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility
Chefornak, AK
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).
