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 transition into December involves a decrease in the average high-temperature, falling from a frosty 45.5°F (7.5°C) in November to an icy 35.2°F (1.8°C). December brings with it a nighttime average temperature of 25.9°F (-3.4°C).Humidity
The average relative humidity in December is 85%.Rainfall
In December, the rain falls for 10 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 159.3 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Batavia, in December, snow falls for 16.9 days, with typically accumulated 6.69" (170mm) of snow. In Batavia, during the entire year, snow falls for 85.1 days and aggregates up to 37.52" (953mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:24 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:48 pm EST.
Sunshine
In Batavia, the average sunshine in December is 2.8h.UV index
January, February 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 minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Batavia?
How many hours of sunshine does Batavia have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Batavia, NY
- Average high temperature in December: 35.2°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 (29.3°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Batavia, 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
Batavia, NY
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Batavia, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May, July, August and September (77%).
Average rainfall in December
Batavia, NY
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Batavia, NY
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Batavia, NY
- Average snowfall in December: 6.69"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Batavia, NY
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Batavia, 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 month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Batavia, 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 (5.8 days).
Average UV index in December
Batavia, 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, February and December (UV index 1).
Average cloud cover in December
Batavia, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Batavia, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Batavia, New York, USA
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