December weather forecastGlenwood, NY
December
Weather in December
The first month of the winter, December, is also an icy month in Glenwood, New York, with temperature in the range of an average low of 25.7°F (-3.5°C) and an average high of 34.3°F (1.3°C).Temperature
Glenwood, New York, in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 43.9°F (6.6°C) in November to a cold 34.3°F (1.3°C). A slight dip in temperature to a subzero cold 25.7°F (-3.5°C) marks the average nights in Glenwood during December.Humidity
In Glenwood, the average relative humidity in December is 87%.Rainfall
In December, in Glenwood, the rain falls for 8.9 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Glenwood, New York, during the entire year, the rain falls for 151.9 days and collects up to 19.21" (488mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Glenwood, during December, snow falls for 14.4 days and regularly aggregates up to 3.7" (94mm) of snow. In Glenwood, during the entire year, snow falls for 71.6 days and aggregates up to 19.21" (488mm) of snow.Daylight
The month with the shortest days in Glenwood is December, with an average of 9h and 6min of daylight.On the first day of December in Glenwood, sunrise is at 7:25 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:51 pm EST.
Sunshine
In Glenwood, the average sunshine in December is 2.6h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Keep in mind! Snow's reflective quality 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
Glenwood, NY
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Glenwood, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Glenwood, NY
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Glenwood, NY
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (79%).
Average rainfall in December
Glenwood, NY
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Glenwood, NY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is October (17.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Glenwood, NY
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glenwood, NY
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenwood, NY
- Average daylight in December: 9h and 6min
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: 2h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Glenwood, NY
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in December
Glenwood, 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, February and December (UV index 1).
Average cloud cover in December
Glenwood, NY
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Glenwood, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
