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 43.2°F (6.2°C) in November to a wintry 33.1°F (0.6°C). Wellsville's temperature tends to fall to an average low of 23.7°F (-4.6°C) during the nights of December.Humidity
In Wellsville, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Wellsville, there are 155.8 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Wellsville, New York, during December, snow falls for 17.8 days and regularly aggregates up to 8.27" (210mm) of snow. Throughout the year, there are 91.9 snowfall days, and 44.76" (1137mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of December, in Wellsville, sunrise is at 7:40 am and sunset at 4:50 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 2.6h of sunshine.UV index
The months with the lowest UV index in Wellsville are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
How cold is December in Wellsville?
What is the average humidity in December in Wellsville?
How much does it rain in Wellsville in December?
How many days does it snow in December in Wellsville?
What is the month with the shortest days in Wellsville?
How many hours of daylight does Wellsville have in December?
When is the sunrise / sunset in December in Wellsville?
What is the month with the least sunshine in Wellsville?
How many hours of sunshine does Wellsville have in December?
What are the months with the lowest UV index in Wellsville?
What is the UV index intensity in December in Wellsville?
Average temperature in December
Wellsville, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Wellsville, NY
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Wellsville, NY
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Wellsville, NY
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Wellsville, NY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Wellsville, NY
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Wellsville, NY
- Average snowfall in December: 8.27"
The month with the highest snowfall is February (10.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wellsville, NY
- Average snowfall days in December: 17.8 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wellsville, 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: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days in December
Wellsville, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in December
Wellsville, 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
Wellsville, NY
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Wellsville, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Wellsville, New York, USA
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