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 brings a decrease in the average high-temperature, shifting from a chilly 46.6°F (8.1°C) in November to a wintry 36.3°F (2.4°C). In the month of December, the temperature generally rests at an average low of 25.7°F (-3.5°C).Humidity
The average relative humidity in December in Pleasant Valley is 80%.Rainfall
In Pleasant Valley, in December, during 8.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Pleasant Valley, during the entire year, the rain falls for 134.4 days and collects up to 15.67" (398mm) of precipitation.Snowfall
Months with snowfall in Pleasant Valley, Connecticut, are January through April, October through December. In December, in Pleasant Valley, Connecticut, it is snowing for 6 days. Throughout December, 1.3" (33mm) of snow is accumulated. Throughout the year, in Pleasant Valley, there are 33.4 snowfall days, and 7.32" (186mm) of snow is accumulated.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 7:00 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:30 pm EST.
Sunshine
In Pleasant Valley, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Pleasant Valley, Connecticut, are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Pleasant Valley?
What is the average humidity in December in Pleasant Valley?
How many days does it rain in December in Pleasant Valley?
How many days does it snow in December in Pleasant Valley?
What is the month with the shortest days in Pleasant Valley?
What is the average length of the day in December in Pleasant Valley?
What time are sunrise and sunset in December in Pleasant Valley?
How long on average sun shines in December in Pleasant Valley?
When is the lowest UV index in Pleasant Valley?
How high is the UV index in December in Pleasant Valley?
Average temperature in December
Pleasant Valley, CT
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.7°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
Pleasant Valley, CT
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Pleasant Valley, CT
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Pleasant Valley, CT
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Pleasant Valley, CT
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Pleasant Valley, CT
- Average rainfall days in December: 8.4 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Pleasant Valley, CT
- Average snowfall in December: 1.3"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pleasant Valley, CT
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pleasant Valley, CT
- 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Pleasant Valley, CT
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is January (19.4 days).
The months with the least sunshine days are April and May (13.1 days).
Average UV index in December
Pleasant Valley, CT
- Average UV index in December: 2
The month with the highest UV index is June (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
Pleasant Valley, CT
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Pleasant Valley, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
Pleasant Valley, Connecticut, USA
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