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
December is characterized by a reduction in the average high-temperature, from a cool 50.9°F (10.5°C) in November to an icy 41°F (5°C). Roselawn reports a consistent average low-temperature of 30.2°F (-1°C) throughout December nights.Humidity
With an average relative humidity of 81%, December is the most humid month in Roselawn.Rainfall
In Roselawn, during December, the rain falls for 8.8 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Roselawn, Ohio, there are 121.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Roselawn. In Roselawn, during December, snow falls for 5.5 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, in Roselawn, there are 23.7 snowfall days, and 3.98" (101mm) of snow is accumulated.Daylight
December has the shortest days of the year in Roselawn, with an average of 9h and 30min of daylight.On the first day of December in Roselawn, sunrise is at 7:38 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Roselawn?
What is the most humid month in Roselawn?
What is the average humidity in December in Roselawn?
How much does it rain in Roselawn in December?
How much does it snow in Roselawn in December?
What is the month with the shortest days in Roselawn?
How many hours of daylight does Roselawn have in December?
What time are sunrise and sunset in December in Roselawn?
How long on average sun shines in December in Roselawn?
What is the month with the lowest UV index in Roselawn?
What is the UV index intensity in December in Roselawn?
Average temperature in December
Roselawn, OH
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Roselawn, 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
Roselawn, OH
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Roselawn, OH
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Roselawn, OH
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Roselawn, OH
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Roselawn, OH
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Roselawn, OH
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roselawn, OH
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Roselawn, OH
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Roselawn, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Roselawn, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Roselawn, 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).
Roselawn, Ohio, USA
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