December weather forecastRichwood, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Richwood, Ohio, with an average temperature fluctuating between 27.7°F (-2.4°C) and 37.6°F (3.1°C).Temperature
Richwood's December weather shows a moderate shift in high-temperatures, falling from November's chilly 48°F (8.9°C) to a cold 37.6°F (3.1°C). Richwood records a consistent low-temperature of 27.7°F (-2.4°C) during December nights.Humidity
The average relative humidity in December in Richwood is 83%.Rainfall
In Richwood, in December, during 8.6 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 145.3 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Richwood. In Richwood, in December, snow falls for 6.1 days, with typically accumulated 0.87" (22mm) of snow. In Richwood, during the entire year, snow falls for 29.4 days and aggregates up to 5.04" (128mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Richwood.On the first day of the month, sunrise is at 7:37 am and sunset at 5:07 pm. On the last day of December, in Richwood, sunrise is at 7:56 am and sunset at 5:16 pm EST.
Sunshine
In Richwood, the average sunshine in December is 3.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Richwood, OH
- Average high temperature in December: 37.6°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 (31.5°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Richwood, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Richwood, OH
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Richwood, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Richwood, OH
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
Richwood, OH
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Richwood, OH
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Richwood, OH
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richwood, OH
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 3h and 54min
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 24min).
Average sunshine days in December
Richwood, OH
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Richwood, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Richwood, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Richwood, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
