December weather forecastSpencerville, OH
December
Weather in December
The first month of the winter, December, is still a cold month in Spencerville, Ohio, with an average temperature varying between 37.2°F (2.9°C) and 27.5°F (-2.5°C).Temperature
Start of December brings a shift in the average high-temperature, falling from November's chilly 48.2°F (9°C) to an icy 37.2°F (2.9°C). Spencerville reports an average nighttime low-temperature of 27.5°F (-2.5°C) in December.Humidity
January, February and December, with an average relative humidity of 83%, are the most humid months in Spencerville, Ohio.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. In Spencerville, during the entire year, the rain falls for 172 days and collects up to 29.92" (760mm) of precipitation.Snowfall
Months with snowfall in Spencerville are January through May, October through December. In Spencerville, during December, snow falls for 10.4 days and regularly aggregates up to 2.72" (69mm) of snow. Throughout the year, in Spencerville, there are 49.2 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Spencerville, sunrise is at 7:42 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:20 pm EST.
Sunshine
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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spencerville, OH
- Average high temperature in December: 37.2°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 (31.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Spencerville, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Spencerville, OH
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Spencerville, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Spencerville, OH
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
Spencerville, OH
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Spencerville, OH
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spencerville, OH
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spencerville, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Spencerville, OH
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Spencerville, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Spencerville, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Spencerville, 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).
