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
Geneseo's December weather comes with a decrease in average high-temperatures, moving from a chilly 45.1°F (7.3°C) in November to a cold 34.7°F (1.5°C). Geneseo's temperature tends to fall to an average low of 24.8°F (-4°C) during the nights of December.Humidity
The average relative humidity in December in Geneseo is 85%.Rainfall
In Geneseo, in December, during 6.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Geneseo, during the entire year, the rain falls for 108.9 days and collects up to 7.8" (198mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 12.1 days. Throughout December, 1.26" (32mm) of snow is accumulated. In Geneseo, during the entire year, snow falls for 59.7 days and aggregates up to 6.85" (174mm) 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 the month, sunrise is at 7:22 am and sunset at 4:38 pm. On the last day of December, in Geneseo, sunrise is at 7:41 am and sunset at 4:47 pm EST.
Sunshine
In Geneseo, the average sunshine in December is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Geneseo in December?
What is the average humidity in December in Geneseo?
How many days does it rain in December in Geneseo?
How much does it snow in Geneseo in December?
What is the month with the shortest days in Geneseo?
How many hours of daylight does Geneseo have in December?
When is the sunrise / sunset in December in Geneseo?
How long on average sun shines in December in Geneseo?
When is the lowest UV index in Geneseo?
What is the UV index reading in December in Geneseo?
Average temperature in December
Geneseo, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Geneseo, 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 (29.93"Hg).
Average wind speed in December
Geneseo, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Geneseo, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Geneseo, NY
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Geneseo, NY
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (12.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
Geneseo, NY
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Geneseo, NY
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Geneseo, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Geneseo, NY
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is September (18.5 days).
The months with the least sunshine days are March and April (14 days).
Average UV index in December
Geneseo, 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
Geneseo, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Geneseo, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Geneseo, New York, USA
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