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
December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 43.7°F (6.5°C) to an icy 34.5°F (1.4°C). December in Greenhurst sees a slight dip to an average low temperature of 25.9°F (-3.4°C) from the daytime highs.Humidity
In December, the average relative humidity is 87%.Rainfall
In Greenhurst, New York, in December, it is raining for 9.8 days, with typically 2.24" (57mm) of accumulated precipitation. In Greenhurst, during the entire year, the rain falls for 163.4 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall in Greenhurst are January through May, October through December. December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 7.68" (195mm) 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 7:26 am and sunset at 4:46 pm. On the last day of December, in Greenhurst, New York, sunrise is at 7:45 am and sunset at 4:55 pm EST.
Sunshine
In Greenhurst, New York, the average sunshine in December is 2.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Greenhurst in December?
What is the average humidity in December in Greenhurst?
How much does it rain in Greenhurst in December?
When does it snow the most in Greenhurst?
How much does it snow in Greenhurst in December?
What is the month with the shortest days in Greenhurst?
What is the average length of the day in December in Greenhurst?
When is the sunrise / sunset in December in Greenhurst?
How long on average sun shines in December in Greenhurst?
When is the lowest UV index in Greenhurst?
What is the UV index intensity in December in Greenhurst?
Average temperature in December
Greenhurst, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Greenhurst, 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
Greenhurst, NY
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Greenhurst, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and September (81%).
Average rainfall in December
Greenhurst, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Greenhurst, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Greenhurst, NY
- Average snowfall in December: 7.68"
The month with the highest snowfall is December (7.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greenhurst, NY
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenhurst, NY
- Average daylight in December: 9h and 1min
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: 2h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Greenhurst, NY
- Average sunshine days in December: 6.1 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in December
Greenhurst, 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
Greenhurst, NY
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Greenhurst, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (4mi).
Greenhurst, New York, USA
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