December weather forecastErastus, OH
December
Weather in December
December, the first month of the winter in Erastus, is also a wintry month, with an average temperature ranging between max 37.8°F (3.2°C) and min 27.5°F (-2.5°C).Temperature
December brings a decrease in the average high-temperature, shifting from a frosty 48.4°F (9.1°C) in November to an icy 37.8°F (3.2°C). In Erastus, in December, the average low-temperature is a subzero cold 27.5°F (-2.5°C).Humidity
January, February and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Erastus, Ohio, during the entire year, the rain falls for 162.3 days and collects up to 31.02" (788mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 7.5 days. Throughout December, 2.72" (69mm) of snow is accumulated. In Erastus, during the entire year, snow falls for 36.2 days and aggregates up to 13.15" (334mm) of snow.Daylight
The month with the shortest days in Erastus is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:12 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine in Erastus is 3.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to 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. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Erastus, OH
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°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 (20.3°F).
Average pressure in December
Erastus, OH
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Erastus, 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 (6mph).
Average humidity in December
Erastus, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Erastus, OH
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in December
Erastus, OH
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Erastus, OH
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Erastus, OH
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Erastus, 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
Erastus, OH
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Erastus, OH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Erastus, 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 32).
Average visibility in December
Erastus, OH
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).





