December weather forecastValley Hi, OH
December
Weather in December
December, the first month of the winter in Valley Hi, is also a wintry month, with an average temperature fluctuating between 37.4°F (3°C) and 27.5°F (-2.5°C).Temperature
In Valley Hi, entering December brings a temperature decrement, reducing from November's frosty 47.7°F (8.7°C) to a wintry 37.4°F (3°C). An average low-temperature of 27.5°F (-2.5°C) is recorded during the nights in December in Valley Hi.Humidity
In December, the average relative humidity is 83%.Rainfall
In Valley Hi, in December, it is raining for 8.7 days, with typically 0.94" (24mm) of accumulated precipitation. In Valley Hi, Ohio, during the entire year, the rain falls for 144.2 days and collects up to 16.02" (407mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Valley Hi, during December, snow falls for 9.2 days and regularly aggregates up to 1.02" (26mm) of snow. Throughout the year, in Valley Hi, there are 43 snowfall days, and 5.47" (139mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:38 am and sunset at 5:09 pm. On the last day of December, in Valley Hi, sunrise is at 7:57 am and sunset at 5:18 pm EST.
Sunshine
In Valley Hi, the average sunshine in December is 3.9h.UV index
December is the month with the lowest UV index in Valley Hi, Ohio, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
Valley Hi, OH
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Valley Hi, 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
Valley Hi, OH
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Valley Hi, 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
Valley Hi, OH
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Valley Hi, OH
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Valley Hi, OH
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Valley Hi, OH
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Valley Hi, 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: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Valley Hi, OH
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Valley Hi, OH
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Valley Hi, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Valley Hi, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
