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
The shift to December brings a decrease in the average high-temperature, falling from a cool 50°F (10°C) in November to a wintry 40.1°F (4.5°C). During December, Wilmington witnesses a consistent average low-temperature of 29.5°F (-1.4°C).Humidity
The months with the highest humidity in Wilmington are January, February and December, with an average relative humidity of 82%.Rainfall
In Wilmington, in December, during 11.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Wilmington, there are 169.2 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Wilmington, it is snowing for 9.3 days. Throughout December, 2.76" (70mm) of snow is accumulated. In Wilmington, during the entire year, snow falls for 41.5 days and aggregates up to 14.92" (379mm) of snow.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 7:37 am and sunset at 5:12 pm. On the last day of December, in Wilmington, sunrise is at 7:55 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Wilmington, Ohio. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Wilmington?
What is the most humid month in Wilmington?
What is the average humidity in December in Wilmington?
How many days does it rain in December in Wilmington?
How much does it snow in Wilmington in December?
What is the month with the shortest days in Wilmington?
What is the average length of the day in December in Wilmington?
When is the sunrise / sunset in December in Wilmington?
How long on average sun shines in December in Wilmington?
When is the lowest UV index in Wilmington?
What is the UV index reading in December in Wilmington?
Average temperature in December
Wilmington, OH
- Average high temperature in December: 40.1°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 (34.3°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Wilmington, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Wilmington, OH
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Wilmington, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Wilmington, OH
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Wilmington, OH
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Wilmington, OH
- Average snowfall in December: 2.76"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wilmington, OH
- Average snowfall days in December: 9.3 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
Wilmington, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Wilmington, OH
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (8.7 days).
Average UV index in December
Wilmington, 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
Wilmington, 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
Wilmington, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Wilmington, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location
