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
With December's arrival, Riverside's weather changes as the average high-temperature falls from a frosty 49.1°F (9.5°C) in November to an icy 39°F (3.9°C). During the nights in December, Riverside experiences a consistent average temperature of 28.9°F (-1.7°C).Humidity
In December, the average relative humidity in Riverside is 82%.Rainfall
In Riverside, in December, during 9.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Riverside, during the entire year, the rain falls for 146.7 days and collects up to 21.81" (554mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Riverside. In Riverside, Ohio, in December, snow falls for 5.5 days, with typically accumulated 1.26" (32mm) of snow. Throughout the year, there are 27.3 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:39 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:57 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Riverside. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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.
Frequently asked questions
How cold does it get in Riverside in December?
What is the average humidity in December in Riverside?
How much does it rain in Riverside in December?
How many days does it snow in December in Riverside?
What is the month with the shortest days in Riverside?
How many hours of daylight does Riverside have in December?
What time are sunrise and sunset in December in Riverside?
How long on average sun shines in December in Riverside?
What are the months with the lowest UV index in Riverside?
What is the UV index reading in December in Riverside?
Average temperature in December
Riverside, OH
- Average high temperature in December: 39°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: 28.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Riverside, 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 (29.93"Hg).
Average wind speed in December
Riverside, 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
Riverside, 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
Riverside, OH
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Riverside, OH
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Riverside, OH
- Average snowfall in December: 1.26"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Riverside, OH
- Average snowfall days in December: 5.5 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
Riverside, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Riverside, OH
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in December
Riverside, 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
Riverside, 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
Riverside, 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).
Riverside, Ohio, USA
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