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
December comes with a decrease in the average high-temperature, falling from a frosty 46°F (7.8°C) in November to an icy 35.6°F (2°C). Mendon encounters an average low-temperature of 26.1°F (-3.3°C) during December nights.Humidity
In Mendon, New York, the average relative humidity in December is 84%.Rainfall
In Mendon, during December, the rain falls for 10.3 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Mendon, New York, there are 164.4 rainfall days, and 28.39" (721mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mendon, during December, snow falls for 16 days and regularly aggregates up to 6.34" (161mm) of snow. In Mendon, during the entire year, snow falls for 80.7 days and aggregates up to 34.29" (871mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine is 2.8h.UV index
The months with the lowest UV index in Mendon are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is December in Mendon?
What is the average humidity in December in Mendon?
How many days does it rain in December in Mendon?
How many days does it snow in December in Mendon?
What is the month with the shortest days in Mendon?
What is the average length of the day in December in Mendon?
What time are sunrise and sunset in December in Mendon?
How many hours of sunshine does Mendon have in December?
What are the months with the lowest UV index in Mendon?
What is the UV index reading in December in Mendon?
Average temperature in December
Mendon, NY
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Mendon, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Mendon, NY
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Mendon, NY
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, August and September (77%).
Average rainfall in December
Mendon, NY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and September (1.81").
Average rainfall days in December
Mendon, NY
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Mendon, NY
- Average snowfall in December: 6.34"
The month with the highest snowfall is February (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mendon, NY
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mendon, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
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 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Mendon, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Mendon, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mendon, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Mendon, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mendon, New York, USA
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