December weather forecastParma Heights, OH
December
Weather in December
The first month of the winter, December, is also a wintry month in Parma Heights, Ohio, with an average temperature varying between 29.3°F (-1.5°C) and 37.6°F (3.1°C).Temperature
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 47.3°F (8.5°C) to an icy 37.6°F (3.1°C). In December, Parma Heights's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 29.3°F (-1.5°C).Humidity
In Parma Heights, the average relative humidity in December is 82%.Rainfall
In Parma Heights, in December, it is raining for 5.5 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 109.1 rainfall days, and 8.43" (214mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Parma Heights. In December, in Parma Heights, it is snowing for 5.6 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, there are 32.9 snowfall days, and 2.8" (71mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Parma Heights, Ohio.On the first day of December, sunrise is at 7:34 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:07 pm EST.
Sunshine
In Parma Heights, the average sunshine in December is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Parma Heights. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parma Heights, OH
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Parma Heights, OH
- Average pressure in December: 30.09"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
Parma Heights, OH
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Parma Heights, OH
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in December
Parma Heights, OH
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are February and November (0.47").
Average rainfall days in December
Parma Heights, OH
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Parma Heights, OH
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Parma Heights, OH
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is February (8.8 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
Parma Heights, OH
- Average daylight in December: 9h and 12min
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 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Parma Heights, OH
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Parma Heights, 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
Parma Heights, OH
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Parma Heights, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





