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
With the onset of December, New Portland's average high-temperature adjusts, receding from November's wintry 41.9°F (5.5°C) to a subzero cold 29.8°F (-1.2°C). In New Portland, December's nights observe an average temperature dip to 19.4°F (-7°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In New Portland, in December, during 5.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In New Portland, during the entire year, the rain falls for 100.6 days and collects up to 8.82" (224mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In New Portland, Maine, during December, snow falls for 8.8 days and regularly aggregates up to 1.61" (41mm) of snow. In New Portland, during the entire year, snow falls for 42.1 days and aggregates up to 11.54" (293mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:09 pm EST.
Sunshine
In New Portland, Maine, the average sunshine in December is 4.6h.UV index
The average daily maximum UV index in December in New Portland is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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 many days does it rain in December?
How much does it snow in New Portland in December?
What is the month with the shortest days?
How many hours of daylight does New Portland have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
New Portland, ME
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
New Portland, 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
New Portland, ME
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
New Portland, ME
- Average humidity in December: 82%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in December
New Portland, ME
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is October (1.1").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
New Portland, ME
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
New Portland, ME
- Average snowfall in December: 1.61"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Portland, ME
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Portland, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
New Portland, ME
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in December
New Portland, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
New Portland, ME
- Average cloud cover in December: 51
The months with the most cloud cover are February and April (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
New Portland, ME
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is August (4mi).
New Portland, Maine, USA
Weather forecast for your location
2. Allow the app to use your location