Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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.Humidity
The average relative humidity in January is 91%.Rainfall
The month with the least rainfall is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In January, it is snowing for 13.2 days. Throughout January, 3.5" (89mm) of snow is accumulated. Throughout the year, there are 94.3 snowfall days, and 27.2" (691mm) of snow is accumulated.Daylight
In Koyuk, the average length of the day in January is 5h and 18min.On the first day of January, sunrise is at 11:49 am and sunset at 3:47 pm. On the last day of the month, sunrise is at 10:34 am and sunset at 5:21 pm AKST.
Sunshine
In Koyuk, the average sunshine in January is 3.1h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 1 during January morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January in Koyuk?
How many days does it snow in January?
How many hours of daylight does Koyuk have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Koyuk, AK
- Average high temperature in January: 9.1°F
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).
- Average low temperature in January: 1.8°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 in January
Koyuk, AK
- Average pressure in January: 29.85"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 in January
Koyuk, AK
- Average wind speed in January: 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 in January
Koyuk, AK
- Average humidity in January: 91%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in January
Koyuk, AK
- Average rainfall in January: 0.55"
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 in January
Koyuk, AK
- Average rainfall days in January: 2.7 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 in January
Koyuk, AK
- Average snowfall in January: 3.5"
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 in January
Koyuk, AK
- Average snowfall days in January: 13.2 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 in January /
Average sunshine in January
Koyuk, AK
- Average daylight in January: 5h and 2min
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 1min
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 in January
Koyuk, AK
- Average sunshine days in January: 18.3 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 in January
Koyuk, AK
- Average UV index in January: 1
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 in January
Koyuk, AK
- Average cloud cover in January: 53
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 in January
Koyuk, AK
- Average visibility in January: 4mi
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).
Koyuk, Alaska, USA
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