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 commencement of December indicates a shift in the average high-temperature, receding from November's frosty 47.3°F (8.5°C) to a cold 36.7°F (2.6°C). December nights cool down to an average low-temperature of 25.9°F (-3.4°C).Humidity
In Chicopee, the average relative humidity in December is 79%.Rainfall
In Chicopee, during December, the rain falls for 4.5 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Chicopee, there are 55.4 rainfall days, and 4.65" (118mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The months with the most snowfall are March and December, with an average 0.43" (11mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:28 pm EST.
Sunshine
In December, the average sunshine is 4.9h.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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Chicopee have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Chicopee have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Chicopee, MA
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Chicopee, 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 (29.93"Hg).
Average wind speed in December
Chicopee, MA
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Chicopee, MA
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Chicopee, MA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is November (0.59").
The driest month (with the least rainfall) is September (0.08").
Average rainfall days in December
Chicopee, MA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is April (6.6 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in December
Chicopee, MA
- Average snowfall in December: 0.43"
The months with the highest snowfall are March and December (0.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chicopee, MA
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chicopee, 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: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Chicopee, MA
- Average sunshine days in December: 25 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is July (22.4 days).
Average UV index in December
Chicopee, 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
Chicopee, MA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Chicopee, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Chicopee, Massachusetts, USA
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