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
A shift in Brookville's weather is observed as November turns into December, with the average high temperature reducing from a chilly 49.1°F (9.5°C) to an icy 38.8°F (3.8°C). Throughout December, Brookville records an average temperature of 28.8°F (-1.8°C) at night.Humidity
The average relative humidity in December is 82%.Rainfall
In Brookville, in December, during 9.2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Brookville, during the entire year, the rain falls for 133.9 days and collects up to 14.45" (367mm) of precipitation.Snowfall
Months with snowfall in Brookville are January through April, November and December. In Brookville, during December, snow falls for 7.1 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 30.2 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Brookville.On the first day of December, sunrise is at 7:40 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:23 pm EST.
Sunshine
The average sunshine in December in Brookville is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Brookville. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold does it get in Brookville in December?
What is the average humidity in December in Brookville?
How many days does it rain in December in Brookville?
How many days does it snow in December in Brookville?
What is the month with the shortest days in Brookville?
What is the average length of the day in December in Brookville?
When are sunrise and sunset in December in Brookville?
How long on average sun shines in December in Brookville?
When is the lowest UV index in Brookville?
What is the UV index reading in December in Brookville?
Average temperature in December
Brookville, OH
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Brookville, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Brookville, OH
- 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 August (5.7mph).
Average humidity in December
Brookville, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Brookville, OH
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in December
Brookville, OH
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in December
Brookville, OH
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Brookville, OH
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brookville, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Brookville, OH
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Brookville, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Brookville, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Brookville, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Brookville, Ohio, USA
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