January weather forecastWhittier, AK
January
Weather in January
January in Whittier, Alaska brings on harsh and freezing conditions, reinforced by considerable cloud coverage and low sunshine hours that further encourage the chill. When compared to December, the initial month of the new year sees less snowfall but increased rainfall, encompassing more days with precipitation. The number of hours in the short day diminishes to 6.7 hours, limiting the window of available direct sunlight. Heavier snowfall is notable, amounting up to a maximum of 30.55" (776mm) on some days. Amid these winter conditions, residents and visitors also contend with poor visibility.Temperature
January stands out as Whittier's coldest month, with temperatures ranging between an average high of 20.1°F (-6.6°C) and a low of 10.8°F (-11.8°C).Humidity
The average relative humidity in January is 91%.Rainfall
In Whittier, during January, the rain falls for 12.1 days and regularly aggregates up to 8.07" (205mm) of precipitation. In Whittier, Alaska, during the entire year, the rain falls for 199.9 days and collects up to 94.88" (2410mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In January, it is snowing for 17.8 days. Throughout January, 30.55" (776mm) of snow is accumulated. In Whittier, during the entire year, snow falls for 111.4 days and aggregates up to 193.66" (4919mm) of snow.Daylight
In January, the average length of the day is 6h and 42min.On the first day of the month, sunrise is at 10:04 am and sunset at 3:52 pm. On the last day of January, sunrise is at 9:14 am and sunset at 5:01 pm AKST.
Sunshine
The average sunshine in January is 2.5h.UV index
January, February, April, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Whittier, AK
- Average high temperature in January: 20.1°F
The warmest month (with the highest average high temperature) is July (55°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Whittier, AK
- Average pressure in January: 29.68"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).
Average wind speed in January
Whittier, AK
- Average wind speed in January: 5.9mph
The windiest month (with the highest average wind speed) is November (6.1mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).
Average humidity in January
Whittier, AK
- Average humidity in January: 91%
The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is June (82%).
Average rainfall in January
Whittier, AK
- Average rainfall in January: 8.07"
The wettest month (with the highest rainfall) is October (12.13").
The driest month (with the least rainfall) is June (3.9").
Average rainfall days in January
Whittier, AK
- Average rainfall days in January: 12.1 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in January
Whittier, AK
- Average snowfall in January: 30.55"
The month with the highest snowfall is December (46.38").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Whittier, AK
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is December (21.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Whittier, AK
- Average daylight in January: 6h and 42min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January: 2h and 30min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in January
Whittier, AK
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is January (9.3 days).
The month with the least sunshine days is April (5.6 days).
Average UV index in January
Whittier, AK
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, April, October, November and December (UV index 1).
Average cloud cover in January
Whittier, AK
- Average cloud cover in January: 64
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are March and June (Cloud cover 60).
Average visibility in January
Whittier, AK
- Average visibility in January: 4mi
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
