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
The high-temperature average in December for Healy, Alaska, is a still frigid cold 7.9°F (-13.4°C), staying closely aligned with November's conditions. Nighttime temperature lowers to an average of -2.6°F (-19.2°C) in December.Humidity
In Healy, the average relative humidity in December is 91%.Rainfall
In December, the rain falls for 1.5 days. Throughout December, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Healy, there are 106.3 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, August through December. In Healy, in December, during 10.3 snowfall days, 3.11" (79mm) of snow is typically accumulated. In Healy, during the entire year, snow falls for 93.4 days and aggregates up to 35.94" (913mm) of snow.Daylight
December has the shortest days of the year, with an average of 4h and 30min of daylight.On the first day of the month, sunrise is at 10:12 am and sunset at 3:18 pm. On the last day of December, sunrise is at 10:43 am and sunset at 3:15 pm AKST.
Sunshine
January and December, with an average of 3.3h of sunshine, are months with the least sunshine in Healy.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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 much does it rain in December?
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 is the sunrise / 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 intensity in December?
Average temperature in December
Healy, AK
- Average high temperature in December: 7.9°F
The warmest month (with the highest average high temperature) is July (62.8°F).
The month with the lowest average high temperature is January (4.6°F).
- Average low temperature in December: -2.6°F
The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (-6.3°F).
Average pressure in December
Healy, AK
- Average pressure in December: 29.81"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The month with the lowest atmospheric pressure is September (29.76"Hg).
Average wind speed in December
Healy, AK
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest months (with the lowest average wind speed) are March and November (4.6mph).
Average humidity in December
Healy, AK
- Average humidity in December: 91%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (64%).
Average rainfall in December
Healy, AK
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Healy, AK
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is June (19.6 days).
The months with the least rainy days are February and December (1.5 days).
Average snowfall in December
Healy, AK
- Average snowfall in December: 3.11"
The month with the highest snowfall is March (6.89").
The months with the least snowfall are June and July (0").
Average snowfall days in December
Healy, AK
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is March (17.4 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Healy, AK
- Average daylight in December: 4h and 3min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in December
Healy, AK
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in December
Healy, AK
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Healy, AK
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 42).
Average visibility in December
Healy, AK
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January and March (3mi).
Healy, Alaska, USA
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