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
Setting in of December comes with a decrease in the average high-temperature, moving from a cool 50.5°F (10.3°C) in November to an icy 41.5°F (5.3°C). An average temperature of 31.8°F (-0.1°C) marks the nights in December.Humidity
February and December, with an average relative humidity of 76%, are the most humid months in Purchase.Rainfall
The month with the most rainfall in Purchase is December, when the rain falls for 12 days and typically aggregates up to 3.98" (101mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Purchase, in December, snow falls for 4.7 days, with typically accumulated 2.32" (59mm) of snow. Throughout the year, in Purchase, there are 27.1 snowfall days, and 13.07" (332mm) 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 Purchase, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:36 pm EST.
Sunshine
In December, the average sunshine in Purchase is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is December in Purchase?
What are the most humid months in Purchase?
What is the average humidity in December in Purchase?
What is the rainiest month in Purchase?
How much does it rain in Purchase in December?
How much does it snow in Purchase in December?
What is the month with the shortest days in Purchase?
What is the average length of the day in December in Purchase?
When is the sunrise / sunset in December in Purchase?
How many hours of sunshine does Purchase have in December?
When is the lowest UV index in Purchase?
What is the UV index reading in December in Purchase?
Average temperature in December
Purchase, NY
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Purchase, 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
Purchase, NY
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Purchase, NY
- Average humidity in December: 76%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in December
Purchase, NY
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Purchase, NY
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Purchase, NY
- Average snowfall in December: 2.32"
The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Purchase, NY
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Purchase, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Purchase, NY
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Purchase, 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
Purchase, 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 30).
Average visibility in December
Purchase, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Purchase, New York, USA
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