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
With December's onset, the average high-temperature recedes from November's chilly 49.5°F (9.7°C) to a wintry 39.9°F (4.4°C). December brings Putnam Valley a consistent average low-temperature of 28.8°F (-1.8°C).Humidity
February, October and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, in Putnam Valley, the rain falls for 9.5 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. In Putnam Valley, during the entire year, the rain falls for 148.4 days and collects up to 30.55" (776mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Putnam Valley, New York, it is snowing for 4.7 days. Throughout December, 2.32" (59mm) of snow is accumulated. Throughout the year, there are 24.4 snowfall days, and 12.87" (327mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Putnam Valley, New York, sunrise is at 7:02 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:36 pm EST.
Sunshine
In Putnam Valley, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Putnam Valley are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
Is it cold in Putnam Valley during December?
What are the most humid months in Putnam Valley?
What is the average humidity in December in Putnam Valley?
How much does it rain in Putnam Valley in December?
How many days does it snow in December in Putnam Valley?
What is the month with the shortest days in Putnam Valley?
How many hours of daylight does Putnam Valley have in December?
When is the sunrise / sunset in December in Putnam Valley?
How many hours of sunshine does Putnam Valley have in December?
What are the months with the lowest UV index in Putnam Valley?
How high is the UV index in December in Putnam Valley?
Average temperature in December
Putnam Valley, NY
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Putnam Valley, 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
Putnam Valley, NY
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Putnam Valley, NY
- Average humidity in December: 79%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Putnam Valley, NY
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Putnam Valley, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Putnam Valley, NY
- Average snowfall in December: 2.32"
The month with the highest snowfall is March (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Putnam Valley, NY
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Putnam Valley, NY
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
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 36min).
Average sunshine days in December
Putnam Valley, NY
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Putnam Valley, NY
- Average UV index in December: 2
The months with the highest UV index are June 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
Putnam Valley, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Putnam Valley, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Putnam Valley, New York, USA
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