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
December implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 48.2°F (9°C) to a cold 37.6°F (3.1°C). Agawam witnesses a consistent average low-temperature of 26.1°F (-3.3°C) throughout December.Humidity
In December, the average relative humidity is 79%.Rainfall
In Agawam, in December, it is raining for 9.5 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 129.5 rainfall days, and 16.06" (408mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Agawam, Massachusetts, in December, snow falls for 5.1 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, there are 26.1 snowfall days, and 5.83" (148mm) 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 6:59 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:28 pm EST.
Sunshine
The average sunshine in December is 4.8h.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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Agawam in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Agawam, MA
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Agawam, 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
Agawam, MA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Agawam, 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 (71%).
Average rainfall in December
Agawam, MA
- Average rainfall in December: 1.38"
The wettest months (with the highest rainfall) are July and October (1.69").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Agawam, MA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Agawam, MA
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Agawam, MA
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Agawam, 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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Agawam, MA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is June (15.1 days).
Average UV index in December
Agawam, 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
Agawam, MA
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Agawam, 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).
Agawam, Massachusetts, USA
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