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
Middleton's December weather shows a moderate shift in high-temperatures, falling from November's chilly 48.7°F (9.3°C) to a wintry 39.6°F (4.2°C). December witnesses an average nighttime temperature of 29.8°F (-1.2°C).Humidity
In Middleton, the average relative humidity in December is 76%.Rainfall
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 2.95" (75mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Middleton. In Middleton, in December, during 5.7 snowfall days, 3.86" (98mm) of snow is typically accumulated. Throughout the year, there are 33.3 snowfall days, and 16.46" (418mm) of snow is accumulated.Daylight
December has the shortest days of the year in Middleton, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 6:54 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:20 pm EST.
Sunshine
In Middleton, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Middleton 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 threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is December in Middleton?
What is the average humidity in December in Middleton?
What is the rainiest month in Middleton?
How many days does it rain in December in Middleton?
How much does it snow in Middleton in December?
What is the month with the shortest days in Middleton?
How many hours of daylight does Middleton have in December?
When is the sunrise / sunset in December in Middleton?
How long on average sun shines in December in Middleton?
When is the lowest UV index in Middleton?
What is the UV index reading in December in Middleton?
Average temperature in December
Middleton, MA
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Middleton, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Middleton, MA
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Middleton, MA
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Middleton, MA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Middleton, MA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Middleton, MA
- Average snowfall in December: 3.86"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Middleton, MA
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Middleton, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Middleton, MA
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is September (17.5 days).
The months with the least sunshine days are February and April (13.1 days).
Average UV index in December
Middleton, 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
Middleton, MA
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Middleton, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Middleton, Massachusetts, USA
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