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 the transition to December, Palmer observes a drop in the average high-temperature, moving from a chilly 48°F (8.9°C) in November to a wintry 37.6°F (3.1°C). The low-temperature average for Palmer during December stands at a subzero cold 25.9°F (-3.4°C).Humidity
In December, the average relative humidity is 78%.Rainfall
December is the month with the most rainfall. Rain falls for 10.4 days and accumulates 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Palmer. In Palmer, during December, snow falls for 5.1 days and regularly aggregates up to 3.35" (85mm) of snow. In Palmer, Massachusetts, during the entire year, snow falls for 33.4 days and aggregates up to 18.43" (468mm) of snow.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 6:58 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:27 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index in Palmer are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
What is the wettest month in Palmer?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Palmer have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Palmer, MA
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 25.9°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
Palmer, 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
Palmer, MA
- Average wind speed in December: 7.6mph
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
Palmer, MA
- Average humidity in December: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Palmer, MA
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Palmer, MA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Palmer, MA
- Average snowfall in December: 3.35"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Palmer, MA
- Average snowfall days in December: 5.1 days
The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Palmer, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Palmer, MA
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Palmer, 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
Palmer, 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 33).
Average visibility in December
Palmer, MA
- Average visibility in December: 6mi
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
Palmer, Massachusetts, USA
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