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 brings a decrease in the average high-temperature, shifting from a frosty 43.3°F (6.3°C) in November to a wintry 33.4°F (0.8°C). During December, Rensselaerville's temperature averages to a freezing cold 23.2°F (-4.9°C) at night.Humidity
In December, the average relative humidity is 85%.Rainfall
In Rensselaerville, in December, during 11.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Rensselaerville, during the entire year, the rain falls for 170.7 days and collects up to 33.62" (854mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 15.5 days. Throughout December, 8.27" (210mm) of snow is accumulated. Throughout the year, there are 83 snowfall days, and 43.66" (1109mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:33 pm EST.
Sunshine
In Rensselaerville, New York, the average sunshine in December is 3.3h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Around midday, solar radiation is most harmful; hence, exposure should be limited. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Rensselaerville, NY
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Rensselaerville, 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
Rensselaerville, NY
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Rensselaerville, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Rensselaerville, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is August (3.74").
The driest months (with the least rainfall) are January and February (2.13").
Average rainfall days in December
Rensselaerville, NY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Rensselaerville, NY
- Average snowfall in December: 8.27"
The month with the highest snowfall is February (9.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rensselaerville, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rensselaerville, 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 6min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Rensselaerville, NY
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Rensselaerville, 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 November and December (UV index 1).
Average cloud cover in December
Rensselaerville, NY
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Rensselaerville, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Rensselaerville, New York, USA
Weather forecast for your location
2. Allow the app to use your location