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
The start of December involves a temperature drop, moving from a frosty 43.3°F (6.3°C) in November to an icy 33.3°F (0.7°C). December is noted for a mean low-temperature of 23.5°F (-4.7°C).Humidity
In Willet, the average relative humidity in December is 87%.Rainfall
In December, in Willet, the rain falls for 11.8 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. In Willet, during the entire year, the rain falls for 175.2 days and collects up to 33.15" (842mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Willet, New York. In December, in Willet, it is snowing for 16.1 days. Throughout December, 7.64" (194mm) of snow is accumulated. In Willet, during the entire year, snow falls for 84.3 days and aggregates up to 40.28" (1023mm) of snow.Daylight
The month with the shortest days in Willet is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:31 pm. On the last day of December, in Willet, sunrise is at 7:33 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine in Willet is 2.8h.UV index
The months with the lowest UV index are January, February 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 average individuals.Note: The UV index of 1 in December translates into these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Willet?
What is the average humidity in December in Willet?
How much does it rain in Willet in December?
How much does it snow in Willet in December?
What is the month with the shortest days in Willet?
What is the average length of the day in December in Willet?
When are sunrise and sunset in December in Willet?
How long on average sun shines in December in Willet?
What are the months with the lowest UV index in Willet?
What is the UV index intensity in December in Willet?
Average temperature in December
Willet, 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 (27.3°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Willet, 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
Willet, NY
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Willet, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in December
Willet, NY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.27").
The driest months (with the least rainfall) are January and September (2.36").
Average rainfall days in December
Willet, NY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Willet, NY
- Average snowfall in December: 7.64"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Willet, NY
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Willet, 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Willet, NY
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (4.8 days).
Average UV index in December
Willet, 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 January, February and December (UV index 1).
Average cloud cover in December
Willet, NY
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Willet, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Willet, New York, USA
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