Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the month when Jeffersonville experiences its coldest temperatures, averaging a high of 28°F (-2.2°C) and a low of 15.3°F (-9.3°C).Humidity
The average relative humidity in January in Jeffersonville is 85%.Rainfall
In Jeffersonville, in January, during 10.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 176.2 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Jeffersonville. In January, in Jeffersonville, it is snowing for 18.8 days. Throughout January, 9.57" (243mm) 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
In Jeffersonville, New York, the average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:13 pm EST.
Sunshine
In January, the average sunshine is 3.5h.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Keep in mind! Snow's reflective quality 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
What are the coldest months in Jeffersonville?
How cold is January in Jeffersonville?
What is the average humidity in January in Jeffersonville?
How much does it rain in Jeffersonville in January?
How much does it snow in Jeffersonville in January?
How many hours of daylight does Jeffersonville have in January?
When are sunrise and sunset in January in Jeffersonville?
How long on average sun shines in January in Jeffersonville?
How high is the UV index in January in Jeffersonville?
Average temperature in January
Jeffersonville, NY
- Average high temperature in January: 28°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 January: 15.3°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 January
Jeffersonville, NY
- Average pressure in January: 30.06"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 January
Jeffersonville, NY
- Average wind speed in January: 8.2mph
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 January
Jeffersonville, NY
- Average humidity in January: 85%
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 January
Jeffersonville, NY
- Average rainfall in January: 2.68"
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 January
Jeffersonville, NY
- Average rainfall days in January: 10.5 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 January
Jeffersonville, NY
- Average snowfall in January: 9.57"
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 January
Jeffersonville, NY
- Average snowfall days in January: 18.8 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 January /
Average sunshine in January
Jeffersonville, NY
- Average daylight in January: 9h and 4min
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 January: 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 January
Jeffersonville, NY
- Average sunshine days in January: 8.8 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 January
Jeffersonville, NY
- Average UV index in January: 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 February, November and December (UV index 1).
Average cloud cover in January
Jeffersonville, NY
- Average cloud cover in January: 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 January
Jeffersonville, NY
- Average visibility in January: 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
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