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
Wilmer's December weather shows a moderate shift in high-temperatures, falling from November's frosty 47.1°F (8.4°C) to an icy 37°F (2.8°C). A modest dip in temperatures to an average of 30°F (-1.1°C) is observed throughout Wilmer's December nights.Humidity
In Wilmer, the average relative humidity in December is 81%.Rainfall
The months with the least rainfall are February and December Rain falls for 9.8 days and accumulates 1.61" (41mm) of rain.Snowfall
January through April, November and December are months with snowfall in Wilmer. In December, it is snowing for 7.7 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 41.3 snowfall days, and 10.87" (276mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of December, in Wilmer, sunrise is at 7:56 am and sunset at 5:11 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Wilmer?
What is the average humidity in December in Wilmer?
What is the driest month in Wilmer?
How many days does it rain in December in Wilmer?
How much does it snow in Wilmer in December?
What is the month with the shortest days in Wilmer?
What is the average length of the day in December in Wilmer?
When are sunrise and sunset in December in Wilmer?
How many hours of sunshine does Wilmer have in December?
What is the month with the lowest UV index in Wilmer?
How high is the UV index in December in Wilmer?
Average temperature in December
Wilmer, OH
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Wilmer, OH
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Wilmer, OH
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Wilmer, OH
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Wilmer, OH
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (4.41").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days in December
Wilmer, OH
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in December
Wilmer, OH
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wilmer, OH
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Wilmer, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Wilmer, OH
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in December
Wilmer, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wilmer, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Wilmer, OH
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Wilmer, Ohio, USA
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