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
As November transitions to December, the average high-temperature falls from a chilly 43.5°F (6.4°C) to an icy 33.3°F (0.7°C). December's average low-temperature reading settles at a freezing cold 22.8°F (-5.1°C).Humidity
The months with the highest humidity in Jeffersonville are February and December, with an average relative humidity of 87%.Rainfall
In December, in Jeffersonville, the rain falls for 13.7 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 176.2 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
Months with snowfall in Jeffersonville are January through May, October through December. In December, in Jeffersonville, it is snowing for 15.8 days. Throughout December, 8.98" (228mm) of snow is accumulated. In Jeffersonville, during the entire year, snow falls for 83.4 days and aggregates up to 46.73" (1187mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:08 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:39 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Jeffersonville in December?
What are the most humid months in Jeffersonville?
What is the average humidity in December in Jeffersonville?
How many days does it rain in December in Jeffersonville?
How much does it snow in Jeffersonville in December?
What is the month with the shortest days in Jeffersonville?
How many hours of daylight does Jeffersonville have in December?
What time are sunrise and sunset in December in Jeffersonville?
How many hours of sunshine does Jeffersonville have in December?
What are the months with the lowest UV index in Jeffersonville?
What is the UV index reading in December in Jeffersonville?
Average temperature in December
Jeffersonville, NY
- Average high temperature in December: 33.3°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 (28°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Jeffersonville, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Jeffersonville, NY
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Jeffersonville, NY
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in December
Jeffersonville, NY
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Jeffersonville, NY
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Jeffersonville, NY
- Average snowfall in December: 8.98"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jeffersonville, NY
- Average snowfall days in December: 15.8 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jeffersonville, 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 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Jeffersonville, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7 days).
Average UV index in December
Jeffersonville, 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 February, November and December (UV index 1).
Average cloud cover in December
Jeffersonville, NY
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Jeffersonville, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, June and July (5mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (4mi).
Jeffersonville, New York, USA
Weather forecast for your location
2. Allow the app to use your location