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
As December takes hold, the average high-temperature is a still subzero cold 14°F (-10°C), nearly mirroring that of the previous month. During the month of December, McCarthy experiences a steady low-temperature average of 2.1°F (-16.6°C).Humidity
January, March, April and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In McCarthy, in December, during 8.9 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 151.8 rainfall days, and 14.88" (378mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 17.2 days and typically aggregates up to 9.37" (238mm) of snow.Daylight
The month with the shortest days is December, with an average of 5h and 36min of daylight.On the first day of the month, sunrise is at 9:21 am and sunset at 3:20 pm. On the last day of December, sunrise is at 9:48 am and sunset at 3:22 pm AKST.
Sunshine
The month with the least sunshine in McCarthy is December, with an average of 4h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in McCarthy. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in McCarthy?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
McCarthy, AK
- Average high temperature in December: 14°F
The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (13.5°F).
- Average low temperature in December: 2.1°F
The month with the highest average low temperature is July (43.2°F).
The coldest month (with the lowest average low temperature) is February (1°F).
Average pressure in December
McCarthy, AK
- Average pressure in December: 29.79"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is November (29.76"Hg).
Average wind speed in December
McCarthy, AK
- Average wind speed in December: 4.6mph
The windiest months (with the highest average wind speed) are January and November (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
McCarthy, AK
- Average humidity in December: 82%
The months with the highest relative humidity are January, March, April and December (82%).
The month with the lowest relative humidity is June (66%).
Average rainfall in December
McCarthy, AK
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is September (1.69").
The driest month (with the least rainfall) is April (0.71").
Average rainfall days in December
McCarthy, AK
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
McCarthy, AK
- Average snowfall in December: 9.37"
The month with the highest snowfall is December (9.37").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
McCarthy, AK
- Average snowfall days in December: 17.2 days
The month with the highest number of snowfall days is December (17.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
McCarthy, AK
- Average daylight in December: 5h and 4min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is June (Average sunshine: 14h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in December
McCarthy, AK
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in December
McCarthy, 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, November and December (UV index 1).
Average cloud cover in December
McCarthy, AK
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are March, May and June (Cloud cover 35).
Average visibility in December
McCarthy, AK
- Average visibility in December: 5mi
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, November and December (5mi).
McCarthy, Alaska, USA
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