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
Gratis, Ohio, experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 49.1°F (9.5°C) in November to a cold 39.2°F (4°C). Gratis temperatures generally rest at a low of 28.6°F (-1.9°C) during the December nights.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 82%.Rainfall
In Gratis, in December, it is raining for 8.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Gratis, during the entire year, the rain falls for 124.4 days and collects up to 11.89" (302mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Gratis, during December, snow falls for 6 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 24.7 snowfall days, and 2.99" (76mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Gratis?
How many hours of daylight does Gratis have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Gratis have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Gratis, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Gratis, OH
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Gratis, OH
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Gratis, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Gratis, OH
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in December
Gratis, OH
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Gratis, 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
Gratis, OH
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gratis, OH
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Gratis, OH
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Gratis, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Gratis, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Gratis, 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).
Gratis, Ohio, USA
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