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
The month of January sees the lowest average temperatures, reaching 17.8°F (-7.9°C) at the peak and 8.6°F (-13°C) at the low.Humidity
In Willow, the average relative humidity in January is 87%.Rainfall
In January, the rain falls for 7.3 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 134.1 rainfall days, and 13.86" (352mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Willow, during January, snow falls for 9.9 days and regularly aggregates up to 3.11" (79mm) of snow. In Willow, Alaska, during the entire year, snow falls for 56.9 days and aggregates up to 26.54" (674mm) of snow.Daylight
In January, the average length of the day is 6h and 25min.On the first day of the month, sunrise is at 10:19 am and sunset at 3:47 pm. On the last day of January, sunrise is at 9:26 am and sunset at 5:00 pm AKST.
Sunshine
In January, the average sunshine is 4h.UV index
The months with the lowest UV index in Willow are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 1 in January suggests the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January in Willow?
When are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Willow, AK
- Average high temperature in January: 17.8°F
The warmest month (with the highest average high temperature) is July (67.6°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in January: 8.6°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in January
Willow, AK
- Average pressure in January: 29.73"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).
Average wind speed in January
Willow, AK
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is November (5.1mph).
The calmest month (with the lowest average wind speed) is April (4.3mph).
Average humidity in January
Willow, AK
- Average humidity in January: 87%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is May (61%).
Average rainfall in January
Willow, AK
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is September (2.13").
The driest month (with the least rainfall) is April (0.63").
Average rainfall days in January
Willow, AK
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in January
Willow, AK
- Average snowfall in January: 3.11"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Willow, AK
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Willow, AK
- Average daylight in January: 6h and 2min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is May (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in January
Willow, AK
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in January
Willow, AK
- Average UV index in January: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Willow, AK
- Average cloud cover in January: 40
The months with the most cloud cover are April and August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 40).
Average visibility in January
Willow, AK
- Average visibility in January: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).
Willow, Alaska, USA
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