December weather forecastWestvale, NY
December
Weather in December
December, the first month of the winter in Westvale, is also a wintry month, with an average temperature varying between 34.5°F (1.4°C) and 25.5°F (-3.6°C).Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 44.8°F (7.1°C) to a wintry 34.5°F (1.4°C). During December, the nighttime temperatures align closely with the daytime averages, measuring a freezing cold 25.5°F (-3.6°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Westvale, in December, during 9.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Westvale, during the entire year, the rain falls for 141.4 days and collects up to 16.57" (421mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The months with the most snowfall are February and December, with an average 3.62" (92mm) of accumulated 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 7:17 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:40 pm EST.
Sunshine
In Westvale, the average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Westvale, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Westvale, NY
- 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 (29.92"Hg).
Average wind speed in December
Westvale, NY
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Westvale, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Westvale, NY
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
Westvale, NY
- Average rainfall days in December: 9.2 days
The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Westvale, NY
- Average snowfall in December: 3.62"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Westvale, NY
- Average snowfall days in December: 14.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westvale, NY
- Average daylight in December: 9h and 6min
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: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Westvale, NY
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Westvale, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Westvale, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Westvale, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
