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 onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 48.6°F (9.2°C) in November to a cold 38.1°F (3.4°C). Pleasant Hill experiences an average low-temperature of 28°F (-2.2°C) in the month of December.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.Rainfall
In Pleasant Hill, during December, the rain falls for 11.3 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 167.9 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Pleasant Hill, in December, during 10.2 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Pleasant Hill, during the entire year, snow falls for 44.3 days and aggregates up to 11.61" (295mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
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 in Pleasant Hill?
How many hours of daylight does Pleasant Hill have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Pleasant Hill have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Pleasant Hill, OH
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Pleasant Hill, 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
Pleasant Hill, OH
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Pleasant Hill, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Pleasant Hill, OH
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in December
Pleasant Hill, OH
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Pleasant Hill, OH
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Pleasant Hill, OH
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pleasant Hill, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Pleasant Hill, OH
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Pleasant Hill, OH
- Average UV index in December: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Pleasant Hill, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Pleasant Hill, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Pleasant Hill, Ohio, USA
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