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
As November transitions into December, Bolivar sees a drop in the average high-temperature, transitioning from a chilly 43.3°F (6.3°C) to an icy 33.3°F (0.7°C). The average nighttime temperature in Bolivar lowers to a freezing cold 23.9°F (-4.5°C) throughout December.Humidity
In December, the average relative humidity in Bolivar is 87%.Rainfall
In Bolivar, during December, the rain falls for 8.1 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Bolivar, during the entire year, the rain falls for 146.8 days and collects up to 18.03" (458mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Bolivar, during December, snow falls for 18 days and regularly aggregates up to 5.35" (136mm) of snow. In Bolivar, during the entire year, snow falls for 91.5 days and aggregates up to 25.31" (643mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:51 pm EST.
Sunshine
January and December, with an average of 2.5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 in December translates into these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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 many days does it rain in December in Bolivar?
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?
What is the month with the least sunshine?
How many hours of sunshine does Bolivar have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Bolivar, NY
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Bolivar, NY
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Bolivar, NY
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Bolivar, NY
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Bolivar, NY
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is April (2.05").
The driest months (with the least rainfall) are January, March and September (1.22").
Average rainfall days in December
Bolivar, NY
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Bolivar, NY
- Average snowfall in December: 5.35"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bolivar, NY
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bolivar, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in December
Bolivar, NY
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Bolivar, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Bolivar, NY
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in December
Bolivar, NY
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are January, August and September (4mi).
Bolivar, New York, USA
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