December weather forecastGermantown, NY
December
Weather in December
December, the first month of the winter in Germantown, is still a cold month, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 37°F (2.8°C).Temperature
Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 47.5°F (8.6°C) in November to an icy 37°F (2.8°C). An average low-temperature of 25.3°F (-3.7°C) marks the nights throughout December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Germantown, in December, it is raining for 8.3 days, with typically 1.5" (38mm) of accumulated precipitation. In Germantown, during the entire year, the rain falls for 126.7 days and collects up to 17.44" (443mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 6.1 days and typically aggregates up to 3.19" (81mm) of snow.Daylight
The month with the shortest days in Germantown is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:33 pm EST.
Sunshine
The average sunshine in December is 5h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Caution! The reflection of snow 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
Germantown, NY
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Germantown, 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
Germantown, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Germantown, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Germantown, NY
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Germantown, NY
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Germantown, NY
- Average snowfall in December: 3.19"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Germantown, NY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Germantown, NY
- Average daylight in December: 9h and 12min
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: 5h and 0min
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 30min).
Average sunshine days in December
Germantown, NY
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in December
Germantown, NY
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Germantown, NY
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Germantown, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).





