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
The onset of December introduces a moderate change in Glenmont's weather, with average high-temperatures falling from November's frosty 45.3°F (7.4°C) to a cold 34.7°F (1.5°C). During the December nights, an average temperature of 24.1°F (-4.4°C) is observed in Glenmont.Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Glenmont, during the entire year, the rain falls for 151.6 days and collects up to 28.78" (731mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Glenmont, in December, snow falls for 7.8 days, with typically accumulated 4.61" (117mm) of snow. In Glenmont, New York, during the entire year, snow falls for 41.1 days and aggregates up to 18.9" (480mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:31 pm EST.
Sunshine
The average sunshine in December in Glenmont, New York, is 4.2h.UV index
The months with the lowest UV index in Glenmont are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Glenmont?
What is the average humidity in December in Glenmont?
How many days does it rain in December in Glenmont?
How many days does it snow in December in Glenmont?
What is the month with the shortest days in Glenmont?
What is the average length of the day in December in Glenmont?
When are sunrise and sunset in December in Glenmont?
How long on average sun shines in December in Glenmont?
When is the lowest UV index in Glenmont?
What is the UV index reading in December in Glenmont?
Average temperature in December
Glenmont, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Glenmont, 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
Glenmont, NY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Glenmont, NY
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Glenmont, NY
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Glenmont, NY
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Glenmont, NY
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glenmont, NY
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenmont, NY
- Average daylight in December: 9h and 1min
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: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Glenmont, NY
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Glenmont, 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
Glenmont, NY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Glenmont, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
Glenmont, New York, USA
Weather forecast for your location
2. Allow the app to use your location
