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 average high-temperature decreases in December, shifting from a frosty 45.5°F (7.5°C) in November to a wintry 35.2°F (1.8°C). In Forest Glen, the nightly December temperatures experience a slight descent from daily highs to an average low of 26.6°F (-3°C).Humidity
The average relative humidity in December is 84%.Rainfall
In December, in Forest Glen, the rain falls for 10.6 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. Throughout the year, in Forest Glen, there are 174.7 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
Months with snowfall in Forest Glen are January through May, October through December. In December, it is snowing for 16.1 days. Throughout December, 5.75" (146mm) of snow is accumulated. Throughout the year, there are 81.7 snowfall days, and 31.73" (806mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:51 pm EST.
Sunshine
In Forest Glen, the average sunshine in December is 2.8h.UV index
The months with the lowest UV index in Forest Glen are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Forest Glen?
What is the average humidity in December in Forest Glen?
How many days does it rain in December in Forest Glen?
How many days does it snow in December in Forest Glen?
What is the month with the shortest days in Forest Glen?
How many hours of daylight does Forest Glen have in December?
When are sunrise and sunset in December in Forest Glen?
How long on average sun shines in December in Forest Glen?
What is the month with the lowest UV index in Forest Glen?
What is the UV index intensity in December in Forest Glen?
Average temperature in December
Forest Glen, NY
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Forest Glen, 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 (29.93"Hg).
Average wind speed in December
Forest Glen, NY
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Forest Glen, NY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in December
Forest Glen, NY
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Forest Glen, NY
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Forest Glen, NY
- Average snowfall in December: 5.75"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Forest Glen, NY
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forest Glen, 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: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Forest Glen, NY
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is September (12.2 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in December
Forest Glen, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Forest Glen, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Forest Glen, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Forest Glen, New York, USA
Weather forecast for your location
2. Allow the app to use your location
