Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Cantwell records an average high-temperature of an extremely cold 5.4°F (-14.8°C) as December arrives, nearly mirroring the previous month's climate. Cantwell records an average low of -4.9°F (-20.5°C) throughout the nights in December.Humidity
The average relative humidity in December is 93%.Rainfall
In Cantwell, in December, it is raining for 4.5 days, with typically 0.94" (24mm) of accumulated precipitation. In Cantwell, during the entire year, the rain falls for 124.9 days and collects up to 14.88" (378mm) of precipitation.Snowfall
January through June, August through December are months with snowfall. In Cantwell, in December, during 19.2 snowfall days, 7.83" (199mm) of snow is typically accumulated. In Cantwell, during the entire year, snow falls for 145.2 days and aggregates up to 58.39" (1483mm) of snow.Daylight
December has the shortest days of the year in Cantwell, with an average of 4h and 48min of daylight.On the first day of the month, sunrise is at 10:06 am and sunset at 3:23 pm. On the last day of December, sunrise is at 10:36 am and sunset at 3:22 pm AKST.
Sunshine
December has the least sunshine of the year, with an average of 2.8h of sunshine.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Cantwell have in December?
When is the lowest UV index in Cantwell?
What is the UV index reading in December?
Average temperature in December
Cantwell, AK
- Average high temperature in December: 5.4°F
The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (3.4°F).
- Average low temperature in December: -4.9°F
The month with the highest average low temperature is July (41.7°F).
The coldest month (with the lowest average low temperature) is January (-8°F).
Average pressure in December
Cantwell, AK
- Average pressure in December: 29.79"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in December
Cantwell, AK
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is December (5.5mph).
The calmest months (with the lowest average wind speed) are May and June (4.8mph).
Average humidity in December
Cantwell, AK
- Average humidity in December: 93%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (70%).
Average rainfall in December
Cantwell, AK
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Cantwell, AK
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Cantwell, AK
- Average snowfall in December: 7.83"
The month with the highest snowfall is October (10.98").
The month with the least snowfall is July (0").
Average snowfall days in December
Cantwell, AK
- Average snowfall days in December: 19.2 days
The months with the highest number of snowfall days are March and April (20.3 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Cantwell, AK
- Average daylight in December: 4h and 5min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in December
Cantwell, AK
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in December
Cantwell, AK
- Average UV index in December: 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, March, April, October, November and December (UV index 1).
Average cloud cover in December
Cantwell, AK
- Average cloud cover in December: 62
The month with the most cloud cover is April (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in December
Cantwell, AK
- Average visibility in December: 4mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, March and November (3mi).
Cantwell, Alaska, USA
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