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
In Brockport, the average high-temperature in December decreases from a frosty 45.1°F (7.3°C) in November to a cold 35.8°F (2.1°C). During the nights in December, Brockport experiences a consistent average temperature of 25.3°F (-3.7°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Brockport, during December, the rain falls for 11.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 171.7 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 17.6 days. Throughout December, 8.5" (216mm) of snow is accumulated. Throughout the year, there are 84 snowfall days, and 42.56" (1081mm) of snow is accumulated.Daylight
December has the shortest days of the year in Brockport, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:46 pm. On the last day of December, in Brockport, sunrise is at 7:40 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in December is 2.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Brockport have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Brockport, PA
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Brockport, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Brockport, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Brockport, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in December
Brockport, PA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is August (2.13").
Average rainfall days in December
Brockport, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (19.4 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall in December
Brockport, PA
- Average snowfall in December: 8.5"
The month with the highest snowfall is January (10.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brockport, PA
- Average snowfall days in December: 17.6 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
Brockport, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Brockport, PA
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6.6 days).
Average UV index in December
Brockport, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Brockport, PA
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Brockport, PA
- Average visibility in December: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).
Brockport, Pennsylvania, USA
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