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
New Salem's December weather comes with a decrease in average high-temperatures, moving from a frosty 45.9°F (7.7°C) in November to an icy 35.1°F (1.7°C). During December, the average low-temperature in New Salem is a freezing cold 24.1°F (-4.4°C).Humidity
The average relative humidity in December in New Salem is 80%.Rainfall
In New Salem, in December, during 10.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In New Salem, Massachusetts, during the entire year, the rain falls for 145 days and collects up to 28.03" (712mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in New Salem. In December, in New Salem, Massachusetts, it is snowing for 8.1 days. Throughout December, 4.8" (122mm) of snow is accumulated. In New Salem, during the entire year, snow falls for 43.1 days and aggregates up to 25.75" (654mm) of snow.Daylight
The month with the shortest days in New Salem is December, with an average of 9h and 6min of daylight.On the first day of December in New Salem, Massachusetts, sunrise is at 6:59 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:26 pm EST.
Sunshine
In New Salem, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is December in New Salem?
What is the average humidity in December in New Salem?
How many days does it rain in December in New Salem?
How many days does it snow in December in New Salem?
What is the month with the shortest days in New Salem?
How many hours of daylight does New Salem have in December?
When is the sunrise / sunset in December in New Salem?
How long on average sun shines in December in New Salem?
What are the months with the lowest UV index in New Salem?
What is the UV index reading in December in New Salem?
Average temperature in December
New Salem, MA
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
New Salem, MA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
New Salem, MA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
New Salem, MA
- Average humidity in December: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
New Salem, MA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is October (2.8").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
New Salem, MA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
New Salem, MA
- Average snowfall in December: 4.8"
The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Salem, MA
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is February (10.5 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 Salem, 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 6min).
- 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 30min).
Average sunshine days in December
New Salem, MA
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (13 days).
Average UV index in December
New Salem, MA
- 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, October, November and December (UV index 2).
Average cloud cover in December
New Salem, MA
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
New Salem, MA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
New Salem, Massachusetts, USA
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