December weather forecastRiverlea, OH
December
Weather in December
The first month of the winter, December, is also a wintry month in Riverlea, Ohio, with an average temperature varying between 39.2°F (4°C) and 29.1°F (-1.6°C).Temperature
Riverlea's weather changes with the onset of December, slightly falling from a frosty 49.1°F (9.5°C) in November to an icy 39.2°F (4°C). During December, the nighttime temperature in Riverlea, Ohio, averages to a subzero cold 29.1°F (-1.6°C).Humidity
In December, the average relative humidity in Riverlea is 81%.Rainfall
In Riverlea, in December, it is raining for 10.9 days, with typically 2.09" (53mm) of accumulated precipitation. In Riverlea, during the entire year, the rain falls for 161.8 days and collects up to 28.78" (731mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Riverlea, Ohio, during December, snow falls for 9.1 days and regularly aggregates up to 2.2" (56mm) of snow. Throughout the year, in Riverlea, Ohio, there are 42.2 snowfall days, and 11.06" (281mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Riverlea.On the first day of December in Riverlea, sunrise is at 7:35 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:16 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riverlea, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Riverlea, OH
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Riverlea, OH
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Riverlea, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April, October and November (74%).
Average rainfall in December
Riverlea, OH
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Riverlea, OH
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Riverlea, OH
- Average snowfall in December: 2.2"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Riverlea, OH
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riverlea, OH
- Average daylight in December: 9h and 24min
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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Riverlea, OH
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Riverlea, OH
- Average UV index in December: 2
The months with the highest UV index are May, 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
Riverlea, 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
Riverlea, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
