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 November turns into December, the average high-temperatures rest at an extremely cold 9.1°F (-12.7°C), showing a minor variation from the prior month. Big Delta reports an average low-temperature of -1.5°F (-18.6°C) during the nights of December.Humidity
In December, the average relative humidity is 86%.Rainfall
In Big Delta, during December, the rain falls for 2.4 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, in Big Delta, there are 70.4 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Snowfall
January through May, August through December are months with snowfall. In Big Delta, in December, snow falls for 8.1 days, with typically accumulated 2.32" (59mm) of snow. In Big Delta, during the entire year, snow falls for 56.2 days and aggregates up to 18.66" (474mm) of snow.Daylight
December has the shortest days of the year, with an average of 4h and 24min of daylight.On the first day of the month, sunrise is at 10:03 am and sunset at 3:01 pm. On the last day of December, sunrise is at 10:34 am and sunset at 2:58 pm AKST.
Sunshine
The month with the least sunshine is December, with an average of 2.3h of sunshine.UV index
The months with the lowest UV index are January through March, September through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Big Delta?
How many days does it snow in December in Big Delta?
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 in Big Delta?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Big Delta, AK
- Average high temperature in December: 9.1°F
The warmest month (with the highest average high temperature) is July (69.8°F).
The month with the lowest average high temperature is January (5.4°F).
- Average low temperature in December: -1.5°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-5.8°F).
Average pressure in December
Big Delta, AK
- Average pressure in December: 29.85"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in December
Big Delta, AK
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in December
Big Delta, AK
- Average humidity in December: 86%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is May (51%).
Average rainfall in December
Big Delta, AK
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.24").
Average rainfall days in December
Big Delta, AK
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is August (12.3 days).
The month with the least rainy days is November (1.7 days).
Average snowfall in December
Big Delta, AK
- Average snowfall in December: 2.32"
The months with the highest snowfall are March and October (2.99").
The months with the least snowfall are June and July (0").
Average snowfall days in December
Big Delta, AK
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is November (9.6 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Big Delta, AK
- Average daylight in December: 4h and 2min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is June (Average sunshine: 13h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in December
Big Delta, AK
- Average sunshine days in December: 23.5 days
The months with the most sunshine days are January and December (23.5 days).
The month with the least sunshine days is August (17.4 days).
Average UV index in December
Big Delta, AK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 2).
Average cloud cover in December
Big Delta, AK
- Average cloud cover in December: 43
The months with the most cloud cover are March and November (Cloud cover 45).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in December
Big Delta, 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).
Big Delta, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location