December weather forecastPleasant Valley, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Pleasant Valley, New York, with temperature in the range of an average low of 26.8°F (-2.9°C) and an average high of 38.3°F (3.5°C).Temperature
December's arrival comes with a decrease in the average high-temperature, moving from a frosty 48.2°F (9°C) in November to an icy 38.3°F (3.5°C). In the month of December, an average of 26.8°F (-2.9°C) marks the low-temperature in Pleasant Valley.Humidity
The months with the highest humidity in Pleasant Valley, New York, are February and December, with an average relative humidity of 81%.Rainfall
In Pleasant Valley, during December, the rain falls for 11.9 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 157.6 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Pleasant Valley, New York, in December, snow falls for 6.7 days, with typically accumulated 3.31" (84mm) of snow. Throughout the year, there are 35.9 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:03 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:34 pm EST.
Sunshine
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 Pleasant Valley. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pleasant Valley, NY
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Pleasant Valley, NY
- Average pressure in December: 30.06"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
Pleasant Valley, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Pleasant Valley, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Pleasant Valley, NY
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Pleasant Valley, NY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Pleasant Valley, NY
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pleasant Valley, NY
- Average snowfall days in December: 6.7 days
The months with the highest number of snowfall days are January and February (9.8 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, NY
- Average daylight in December: 9h and 12min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Pleasant Valley, NY
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in December
Pleasant Valley, NY
- 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
Pleasant Valley, NY
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Pleasant Valley, NY
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
