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
Alna in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 44.4°F (6.9°C) in November to a wintry 34.3°F (1.3°C). In December, the average low-temperature is a subzero cold 24.1°F (-4.4°C).Humidity
In Alna, the average relative humidity in December is 79%.Rainfall
In Alna, in December, it is raining for 11.3 days, with typically 2.87" (73mm) of accumulated precipitation. In Alna, during the entire year, the rain falls for 139 days and collects up to 27.56" (700mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Alna, it is snowing for 7.8 days. Throughout December, 3.94" (100mm) of snow is accumulated. Throughout the year, in Alna, there are 41.8 snowfall days, and 21.97" (558mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December in Alna, sunrise is at 6:54 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:10 pm EST.
Sunshine
In December, the average sunshine in Alna is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Alna, Maine. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is it in Alna in December?
What is the average humidity in December in Alna?
How much does it rain in Alna in December?
How many days does it snow in December in Alna?
What is the month with the shortest days in Alna?
What is the average length of the day in December in Alna?
When are sunrise and sunset in December in Alna?
How long on average sun shines in December in Alna?
What are the months with the lowest UV index in Alna?
How high is the UV index in December in Alna?
Average temperature in December
Alna, ME
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Alna, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Alna, ME
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Alna, ME
- Average humidity in December: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Alna, ME
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Alna, ME
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Alna, ME
- Average snowfall in December: 3.94"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alna, ME
- Average snowfall days in December: 7.8 days
The months with the highest number of snowfall days are January and February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alna, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Alna, ME
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in December
Alna, ME
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Alna, ME
- Average cloud cover in December: 50
The months with the most cloud cover are February, March and April (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Alna, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).
Alna, Maine, USA
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