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 46.2°F (7.9°C) in November to a cold 36°F (2.2°C). A minor drop in temperature is observed from daytime highs during the nights of December, averaging a subzero cold 27.1°F (-2.7°C).Humidity
In December, the average relative humidity in Fairport is 83%.Rainfall
In Fairport, in December, it is raining for 10.2 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Fairport, there are 163.3 rainfall days, and 23.7" (602mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Fairport. In Fairport, in December, during 15 snowfall days, 4.13" (105mm) of snow is typically accumulated. In Fairport, during the entire year, snow falls for 70.8 days and aggregates up to 20.16" (512mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
The months with the lowest UV index in Fairport are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 1 transforms into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Fairport?
What is the average humidity in December in Fairport?
How many days does it rain in December in Fairport?
How many days does it snow in December in Fairport?
What is the month with the shortest days in Fairport?
How many hours of daylight does Fairport have in December?
When are sunrise and sunset in December in Fairport?
How long on average sun shines in December in Fairport?
When is the lowest UV index in Fairport?
What is the UV index intensity in December in Fairport?
Average temperature in December
Fairport, NY
- Average high temperature in December: 36°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 (29.7°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Fairport, 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
Fairport, NY
- Average wind speed in December: 10.6mph
The windiest months (with the highest average wind speed) are January and February (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Fairport, NY
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Fairport, NY
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Fairport, NY
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Fairport, NY
- Average snowfall in December: 4.13"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fairport, NY
- Average snowfall days in December: 15 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fairport, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Fairport, NY
- Average sunshine days in December: 8.1 days
The months with the most sunshine days are May and September (12.8 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Fairport, 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
Fairport, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Fairport, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Fairport, New York, USA
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