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 corresponds with a reduction in the average high-temperature, down from November's chilly 44.4°F (6.9°C) to a cold 33.8°F (1°C). Colrain observes an average nighttime low-temperature of 23.2°F (-4.9°C) during the month of December.Humidity
The average relative humidity in December is 83%.Rainfall
In December, the rain falls for 11.8 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 158.5 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Colrain, during December, snow falls for 8.7 days and regularly aggregates up to 5.91" (150mm) of snow. In Colrain, during the entire year, snow falls for 47.9 days and aggregates up to 28.35" (720mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:27 pm EST.
Sunshine
In Colrain, the average sunshine in December is 4.7h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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.
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 many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Colrain have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Colrain have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Colrain, MA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Colrain, MA
- Average pressure in December: 30.05"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
Colrain, MA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Colrain, MA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Colrain, MA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Colrain, MA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
Colrain, MA
- Average snowfall in December: 5.91"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Colrain, MA
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colrain, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Colrain, MA
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in December
Colrain, MA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Colrain, MA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Colrain, 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).
Colrain, Massachusetts, USA
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