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
In Metcalf, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 49.1°F (9.5°C) to an icy 39°F (3.9°C). Metcalf, during December, witnesses an average low-temperature of 28°F (-2.2°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Metcalf, during December, the rain falls for 10.1 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Metcalf, during the entire year, the rain falls for 157.5 days and collects up to 29.53" (750mm) of precipitation.Snowfall
Months with snowfall in Metcalf, Massachusetts, are January through May, October through December. In Metcalf, Massachusetts, in December, snow falls for 4.7 days, with typically accumulated 3.62" (92mm) of snow. Throughout the year, in Metcalf, Massachusetts, there are 28.8 snowfall days, and 17.32" (440mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:55 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:23 pm EST.
Sunshine
In Metcalf, the average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Metcalf. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Boost your sun resistance with garments that are densely woven yet spacious. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
Is December cold in Metcalf?
What is the average humidity in December in Metcalf?
How many days does it rain in December in Metcalf?
How many days does it snow in December in Metcalf?
What is the month with the shortest days in Metcalf?
What is the average length of the day in December in Metcalf?
When are sunrise and sunset in December in Metcalf?
How many hours of sunshine does Metcalf have in December?
When is the lowest UV index in Metcalf?
What is the UV index reading in December in Metcalf?
Average temperature in December
Metcalf, MA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Metcalf, MA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Metcalf, MA
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Metcalf, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Metcalf, MA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Metcalf, MA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Metcalf, MA
- Average snowfall in December: 3.62"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Metcalf, MA
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Metcalf, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Metcalf, MA
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Metcalf, MA
- Average UV index in December: 2
The months with the highest UV index are June, July and 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
Metcalf, MA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Metcalf, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are February, August and September (5mi).
Metcalf, Massachusetts, USA
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