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 Holy Cross enters December, the average high-temperature subtly lowers from the a freezing cold 17.1°F (-8.3°C) of November to a frigid cold 10°F (-12.2°C). Holy Cross reports an average low temperature of 1.4°F (-17°C) in December, a minor decrease from the day's highs.Humidity
January through March and December, with an average relative humidity of 95%, are the most humid months in Holy Cross.Rainfall
In Holy Cross, Alaska, in December, it is raining for 3 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 122.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Holy Cross, in December, snow falls for 17.2 days, with typically accumulated 9.33" (237mm) of snow. In Holy Cross, during the entire year, snow falls for 111.6 days and aggregates up to 51.93" (1319mm) of snow.Daylight
December has the shortest days of the year, with an average of 5h and 18min of daylight.On the first day of December, sunrise is at 10:36 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 11:04 am and sunset at 4:20 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 2.4h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in Holy Cross in December?
What is the month with the shortest days?
How many hours of daylight does Holy Cross have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Holy Cross have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Holy Cross, AK
- Average high temperature in December: 10°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The month with the lowest average high temperature is January (6.4°F).
- Average low temperature in December: 1.4°F
The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (-3.1°F).
Average pressure in December
Holy Cross, AK
- Average pressure in December: 29.72"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in December
Holy Cross, AK
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Holy Cross, AK
- Average humidity in December: 95%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (63%).
Average rainfall in December
Holy Cross, AK
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is March (0.94").
Average rainfall days in December
Holy Cross, AK
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is August (20.8 days).
The months with the least rainy days are February and December (3 days).
Average snowfall in December
Holy Cross, AK
- Average snowfall in December: 9.33"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Holy Cross, AK
- Average snowfall days in December: 17.2 days
The month with the highest number of snowfall days is March (18.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Holy Cross, AK
- Average daylight in December: 5h and 2min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in December
Holy Cross, AK
- Average sunshine days in December: 14 days
The month with the most sunshine days is January (16.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in December
Holy Cross, AK
- Average UV index in December: 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, March, October, November and December (UV index 1).
Average cloud cover in December
Holy Cross, AK
- Average cloud cover in December: 68
The month with the most cloud cover is April (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in December
Holy Cross, AK
- Average visibility in December: 3mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are February, March, April and December (3mi).
Holy Cross, Alaska, USA
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