December weather forecastWestbrookville, NY
December
Weather in December
December, the first month of the winter in Westbrookville, is also a wintry month, with an average temperature varying between 26.1°F (-3.3°C) and 37.9°F (3.3°C).Temperature
Stepping into December, Westbrookville observes a temperature decline, with the average high falling from November's frosty 48°F (8.9°C) to a cold 37.9°F (3.3°C). Westbrookville reports an average low-temperature of 26.1°F (-3.3°C) during the nights of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In Westbrookville, in December, it is raining for 8.8 days, with typically 2.36" (60mm) of accumulated precipitation. In Westbrookville, during the entire year, the rain falls for 139 days and collects up to 25.28" (642mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Westbrookville. In December, in Westbrookville, New York, it is snowing for 5.4 days. Throughout December, 3.19" (81mm) of snow is accumulated. In Westbrookville, during the entire year, snow falls for 28.4 days and aggregates up to 16.46" (418mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:38 pm EST.
Sunshine
In Westbrookville, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index 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 hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this 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. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Westbrookville, NY
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Westbrookville, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Westbrookville, NY
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Westbrookville, NY
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Westbrookville, NY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Westbrookville, NY
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Westbrookville, NY
- Average snowfall in December: 3.19"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westbrookville, NY
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is February (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westbrookville, NY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Westbrookville, NY
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in December
Westbrookville, NY
- 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
Westbrookville, NY
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Westbrookville, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
