Climate and monthly weather forecastKoyuk, AK
Climate and monthly weather forecast
Weather in January
January, the same as December, is an extremely cold winter month in Koyuk, Alaska, with an average temperature varying between 1.8°F (-16.8°C) and 9.1°F (-12.7°C). January, known for its average high temperature of 9.1°F (-12.7°C) and an average low temperature of 1.8°F (-16.8°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a subzero cold month in Koyuk, Alaska, with an average temperature varying between 4.6°F (-15.2°C) and 14.7°F (-9.6°C). As Koyuk welcomes February, the average high-temperature sees a modest rise, transitioning from a frigid cold 9.1°F (-12.7°C) in January to a subzero cold 14.7°F (-9.6°C). Weather in February »Weather in March
The first month of the spring, March, is also a subzero cold month in Koyuk, Alaska, with an average temperature varying between 5.7°F (-14.6°C) and 18.9°F (-7.3°C). As Koyuk welcomes March, the average high-temperature records at a still freezing cold 18.9°F (-7.3°C), marking an insignificant deviation from the prior month. Weather in March »Weather in April
April, like March, is a freezing cold spring month in Koyuk, Alaska, with an average temperature varying between 20.7°F (-6.3°C) and 31.5°F (-0.3°C). As Koyuk, Alaska, transitions into April, the average high-temperature is observed to rise from 18.9°F (-7.3°C) in March to a still subzero cold 31.5°F (-0.3°C). Weather in April »Weather in May
May, the last month of the spring in Koyuk, is a chilly month, with an average temperature fluctuating between 34.3°F (1.3°C) and 45.3°F (7.4°C). A rise in the average high-temperature is observed during May, moving from a freezing cold 31.5°F (-0.3°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 Koyuk, is a refreshing month, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 43.3°F (6.3°C). The onset of June brings a rise in the average high-temperature, elevating from a frosty 45.3°F (7.4°C) in May to a refreshing 55.6°F (13.1°C). Weather in June »Weather in July
July, like June, is another mild summer month in Koyuk, Alaska, with an average temperature varying between 59.5°F (15.3°C) and 48.7°F (9.3°C). With its high average temperature of 59.5°F (15.3°C) and a low of 48.7°F (9.3°C), July is regarded as the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderate month in Koyuk, Alaska, with an average temperature ranging between min 47.7°F (8.7°C) and max 57.2°F (14°C). August's advent denotes a minor fluctuation in the average high-temperature to a still mild 57.2°F (14°C) from July's 59.5°F (15.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a chilly month in Koyuk, Alaska, with an average temperature fluctuating between 48.9°F (9.4°C) and 40.3°F (4.6°C). The onset of September brings a small shift in high-temperatures, falling from a mild 57.2°F (14°C) in August to a chilly 48.9°F (9.4°C). Weather in September »Weather in October
October, the same as September, is an icy autumn month in Koyuk, Alaska, with an average temperature fluctuating between 30.6°F (-0.8°C) and 36.3°F (2.4°C). The commencement of October indicates a shift in the average high-temperature, receding from September's chilly 48.9°F (9.4°C) to a wintry 36.3°F (2.4°C). Weather in October »Weather in November
November, the last month of the autumn in Koyuk, is also a subzero cold month, with an average temperature fluctuating between 19.6°F (-6.9°C) and 13.3°F (-10.4°C). November's arrival signals a significant decrease in average high-temperatures, falling from October's wintry 36.3°F (2.4°C) to a subzero cold 19.6°F (-6.9°C). Weather in November »Weather in December
The first month of the winter, December, is still an extremely cold month in Koyuk, Alaska, with an average temperature fluctuating between 12.4°F (-10.9°C) and 5.4°F (-14.8°C). December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's freezing cold 19.6°F (-6.9°C) to a frigid cold 12.4°F (-10.9°C). Weather in December »Updated: Jul 5, 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 is the coldest month of the year, registering average temperatures as high as 9.1°F (-12.7°C) and as low as 1.8°F (-16.8°C).
January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.55" (14mm) of precipitation.
Throughout the year, there are 118.6 rainfall days, and 13.39" (340mm) of precipitation is accumulated.
January through May, September through December are months with snowfall.
In Koyuk, during the entire year, snow falls for 94.3 days and aggregates up to 27.2" (691mm) of snow.
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1.
With an average relative humidity of 92%, March is the most humid month.
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.
The month with the most sunshine is May, with an average of 8.3h of sunshine.
The least humid month is June, with an average relative humidity of 72%.
In Koyuk, snow does not fall in June through August.
The month with the longest days is June, with an average of 21h and 36min of daylight.
The month with the least sunshine is June, with an average of 2.9h of sunshine.
July, recognised by an average high temperature of 59.5°F (15.3°C) and a low of 48.7°F (9.3°C), is Koyuk's warmest month.
July is the month with the highest UV index, with an average maximum UV index of 4.
The month with the most rainfall is August, when the rain falls for 19.8 days and typically aggregates up to 2.24" (57mm) of precipitation.
The month with the most snowfall is November, when snow falls for 10.6 days and typically aggregates up to 4.76" (121mm) of snow.
With an average of 3h and 54min of daylight, December has the shortest days of the year.
Average temperature
Koyuk, AK
The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure
Koyuk, AK
- Average pressure in January:
29.85"Hg - Average pressure in February:
29.88"Hg - Average pressure in March:
29.9"Hg - Average pressure in April:
29.85"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.83"Hg - Average pressure in September:
29.75"Hg - Average pressure in October:
29.72"Hg - Average pressure in November:
29.78"Hg - Average pressure in December:
29.75"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).
Average wind speed
Koyuk, AK
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.9mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6mph
- Average wind speed in July:
7mph - Average wind speed in August:
7.5mph - Average wind speed in September:
8.5mph - Average wind speed in October:
9.6mph - Average wind speed in November:
9.1mph - Average wind speed in December:
8.4mph
The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).
Average humidity
Koyuk, AK
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall
Koyuk, AK
- Average rainfall in January:
0.55" - Average rainfall in February:
0.87" - Average rainfall in March:
0.79" - Average rainfall in April:
0.94" - Average rainfall in May:
0.83" - Average rainfall in June:
1.06"
- Average rainfall in July:
1.69" - Average rainfall in August:
2.24" - Average rainfall in September:
1.42" - Average rainfall in October:
1.22" - Average rainfall in November:
1.02" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Koyuk, AK
- Average rainfall days in January:
2.7 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
5.3 days - Average rainfall days in April:
7.5 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
19.8 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
3.9 days - Average rainfall days in December:
3.6 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).
Average snowfall
Koyuk, AK
- Average snowfall in January:
3.5" - Average snowfall in February:
4.41" - Average snowfall in March:
4.29" - Average snowfall in April:
3.74" - Average snowfall in May:
0.55" - Average snowfall in June:
0"
The month with the highest snowfall is November (4.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Koyuk, AK
- Average snowfall days in January:
13.2 days - Average snowfall days in February:
14.7 days - Average snowfall days in March:
16.7 days - Average snowfall days in April:
12.5 days - Average snowfall days in May:
4 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:
1.4 days - Average snowfall days in October:
6.1 days - Average snowfall days in November:
10.6 days - Average snowfall days in December:
15.1 days
The month with the highest number of snowfall days is March (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Koyuk, AK
- Average daylight in January:
5h and 18min - Average daylight in February:
8h and 30min - Average daylight in March:
11h and 54min - Average daylight in April:
15h and 18min - Average daylight in May:
18h and 54min - Average daylight in June:
21h and 36min
- Average daylight in July:
20h and 0min - Average daylight in August:
16h and 24min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 36min - Average daylight in November:
6h and 12min - Average daylight in December:
3h and 54min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 30min - Average sunshine in March:
4h and 48min - Average sunshine in April:
6h and 6min - Average sunshine in May:
8h and 18min - Average sunshine in June:
2h and 54min
- Average sunshine in July:
5h and 54min - Average sunshine in August:
7h and 0min - Average sunshine in September:
5h and 18min - Average sunshine in October:
4h and 54min - Average sunshine in November:
3h and 6min - Average sunshine in December:
3h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 2h and 54min).
Average sunshine days
Koyuk, AK
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
8.4 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
15.4 days - Average sunshine days in November:
17 days - Average sunshine days in December:
15 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).
Average UV index
Koyuk, AK
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover
Koyuk, AK
The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).
Average visibility
Koyuk, 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 and December (4mi).
