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 start of December comes with a reduction in the average high-temperature, receding from a frosty 46.2°F (7.9°C) in November to an icy 36.5°F (2.5°C). During the month of December, the temperature in Cape Porpoise generally drops to a low average of 27°F (-2.8°C).Humidity
In Cape Porpoise, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 133.9 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Cape Porpoise, during December, snow falls for 6.2 days and regularly aggregates up to 4.17" (106mm) of snow. Throughout the year, there are 33.7 snowfall days, and 18.94" (481mm) of snow is accumulated.Daylight
The month with the shortest days in Cape Porpoise, Maine, is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:06 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:15 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.7h of sunshine.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 low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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 much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Cape Porpoise, ME
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Cape Porpoise, ME
- Average pressure in December: 30.02"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Cape Porpoise, ME
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Cape Porpoise, ME
- Average humidity in December: 78%
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
Cape Porpoise, ME
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Cape Porpoise, ME
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Cape Porpoise, ME
- Average snowfall in December: 4.17"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cape Porpoise, ME
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cape Porpoise, 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 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Cape Porpoise, ME
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in December
Cape Porpoise, ME
- Average UV index in December: 2
The month with the highest UV index is August (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
Cape Porpoise, ME
- Average cloud cover in December: 49
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
Cape Porpoise, 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).
Cape Porpoise, Maine, USA
Weather forecast for your location
2. Allow the app to use your location