December weather forecastParma, OH
December
Weather in December
Parma dives into winter with December bringing plummeting temperatures, significant cloud coverage, and frequent bouts of snowfall. It is the beginning of what is often a long and cold season, offering residents a chance to enjoy winter-related activities. As daylight shrinks, the visibility remains constant, allowing locals to adapt to the shortened length of the day. With chilling wind gusts coupled with sparsely distributed sunshine, December certainly paints a frigid landscape. The weather during this month hits a new low with temperatures falling to a minimum of 29.3°F (-1.5°C) promising a white Christmas.Temperature
With December's onset, the average high-temperature recedes from November's chilly 47.3°F (8.5°C) to an icy 37.6°F (3.1°C). Parma's nighttime temperature in December experiences a slight dip from daytime highs, falling to an average of 29.3°F (-1.5°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Parma, 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, during December, snow falls for 5.6 days and regularly aggregates up to 0.51" (13mm) of snow. 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.On the first day of the month, sunrise is at 7:34 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:07 pm EST.
Sunshine
In Parma, 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. 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 typical high UV index of 1 in December suggests the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parma, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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).
