December weather forecastRoswell, OH
December
Weather in December
The first month of the winter, December, is also a wintry month in Roswell, Ohio, with an average temperature ranging between max 38.5°F (3.6°C) and min 27.7°F (-2.4°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's frosty 48.7°F (9.3°C) to a wintry 38.5°F (3.6°C). Roswell observes an average low-temperature of 27.7°F (-2.4°C) during December.Humidity
In Roswell, the average relative humidity in December is 83%.Rainfall
In Roswell, during December, the rain falls for 7.7 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Roswell, during the entire year, the rain falls for 123.8 days and collects up to 14.76" (375mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Roswell. In December, in Roswell, it is snowing for 5.8 days. Throughout December, 1.06" (27mm) of snow is accumulated. In Roswell, Ohio, during the entire year, snow falls for 31.7 days and aggregates up to 6.69" (170mm) of snow.Daylight
The month with the shortest days in Roswell is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:08 pm EST.
Sunshine
In Roswell, the average sunshine in December is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Roswell, Ohio. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 1 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roswell, OH
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Roswell, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Roswell, OH
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Roswell, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Roswell, OH
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (1.73").
The driest months (with the least rainfall) are January and September (0.87").
Average rainfall days in December
Roswell, OH
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Roswell, OH
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Roswell, OH
- Average snowfall days in December: 5.8 days
The months with the highest number of snowfall days are January and February (8.5 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
Roswell, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Roswell, OH
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in December
Roswell, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Roswell, OH
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Roswell, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
