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 arrival of December signals a shift in temperature, down from a frosty 45.5°F (7.5°C) in November to an icy 35.2°F (1.8°C). Topsham experiences a consistent average temperature of 25.9°F (-3.4°C) throughout the nights in December.Humidity
In Topsham, the average relative humidity in December is 77%.Rainfall
In Topsham, during December, the rain falls for 7.3 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 115.5 rainfall days, and 15.51" (394mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Topsham. In Topsham, in December, during 6.4 snowfall days, 2.4" (61mm) of snow is typically accumulated. In Topsham, Maine, during the entire year, snow falls for 32.1 days and aggregates up to 10.75" (273mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:55 am and sunset at 4:03 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:12 pm EST.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year in Topsham, Maine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Topsham in December?
What is the average humidity in December in Topsham?
How many days does it rain in December in Topsham?
How many days does it snow in December in Topsham?
What is the month with the shortest days in Topsham?
How many hours of daylight does Topsham have in December?
What time are sunrise and sunset in December in Topsham?
What is the month with the least sunshine in Topsham?
How many hours of sunshine does Topsham have in December?
What are the months with the lowest UV index in Topsham?
What is the UV index reading in December in Topsham?
Average temperature in December
Topsham, ME
- Average high temperature in December: 35.2°F
The warmest months (with the highest average high temperature) are July and August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Topsham, ME
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is September (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Topsham, ME
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Topsham, ME
- Average humidity in December: 77%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Topsham, ME
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is October (1.85").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Topsham, ME
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Topsham, ME
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Topsham, ME
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Topsham, ME
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Topsham, ME
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (15 days).
Average UV index in December
Topsham, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Topsham, ME
- Average cloud cover in December: 50
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Topsham, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Topsham, Maine, USA
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