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 decrease of average high-temperatures is mild in December, with a decline from a frosty 48.7°F (9.3°C) in November to an icy 39.6°F (4.2°C). Wenham records an average nighttime low of 29.8°F (-1.2°C) in December.Humidity
In Wenham, Massachusetts, the average relative humidity in December is 76%.Rainfall
The month with the most rainfall in Wenham is December, when the rain falls for 11.5 days and typically aggregates up to 2.95" (75mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Wenham, during December, snow falls for 5.7 days and regularly aggregates up to 3.86" (98mm) of snow. In Wenham, during the entire year, snow falls for 33.3 days and aggregates up to 16.46" (418mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:54 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:20 pm EST.
Sunshine
In Wenham, 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 in Wenham. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold does it get in Wenham in December?
What is the average humidity in December in Wenham?
What is the wettest month in Wenham?
How much does it rain in Wenham in December?
How much does it snow in Wenham in December?
What is the month with the shortest days in Wenham?
How many hours of daylight does Wenham have in December?
When are sunrise and sunset in December in Wenham?
How many hours of sunshine does Wenham have in December?
What is the month with the lowest UV index in Wenham?
How high is the UV index in December in Wenham?
Average temperature in December
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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
Wenham, 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).
Wenham, Massachusetts, USA
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