December weather forecastThompsonville, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Thompsonville, New York, with an average temperature ranging between max 35.6°F (2°C) and min 23.9°F (-4.5°C).Temperature
In December, the meteorological conditions alter, with the average high-temperature shifting from a chilly 45.3°F (7.4°C) in November to a wintry 35.6°F (2°C). In the month of December, Thompsonville's average low-temperature falls to a subzero cold 23.9°F (-4.5°C).Humidity
February and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Thompsonville, in December, during 9.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 153.7 rainfall days, and 26.73" (679mm) of precipitation is accumulated.Snowfall
Months with snowfall in Thompsonville are January through May, October through December. December is the month with the most snowfall in Thompsonville. Snow falls for 8.1 days and accumulates 5.04" (128mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Thompsonville.On the first day of December, sunrise is at 7:06 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Thompsonville. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thompsonville, NY
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 23.9°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 (17.1°F).
Average pressure in December
Thompsonville, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Thompsonville, NY
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Thompsonville, NY
- Average humidity in December: 85%
The months with the highest relative humidity are February and December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Thompsonville, NY
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are January and February (1.65").
Average rainfall days in December
Thompsonville, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Thompsonville, NY
- Average snowfall in December: 5.04"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Thompsonville, NY
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Thompsonville, 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: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Thompsonville, NY
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Thompsonville, NY
- Average UV index in December: 2
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, March, October, November and December (UV index 2).
Average cloud cover in December
Thompsonville, NY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Thompsonville, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).





