December weather forecastGrandview, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Grandview, Ohio, with an average temperature fluctuating between 40.8°F (4.9°C) and 29.5°F (-1.4°C).Temperature
December's onset brings a slight change in high-temperatures, falling from a fresh 50.9°F (10.5°C) in November to a wintry 40.8°F (4.9°C). Grandview registers a consistent average low-temperature of 29.5°F (-1.4°C) during December.Humidity
The months with the highest humidity in Grandview are January, February and December, with an average relative humidity of 81%.Rainfall
In Grandview, in December, it is raining for 11.4 days, with typically 1.46" (37mm) of accumulated precipitation. In Grandview, during the entire year, the rain falls for 154.1 days and collects up to 20" (508mm) of precipitation.Snowfall
Months with snowfall in Grandview are January through April, November and December. In Grandview, during December, snow falls for 8 days and regularly aggregates up to 1.26" (32mm) of snow. Throughout the year, in Grandview, there are 33.4 snowfall days, and 5.55" (141mm) of snow is accumulated.Daylight
The month with the shortest days in Grandview, Ohio, is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:26 pm EST.
Sunshine
The average sunshine in December in Grandview is 4.2h.UV index
The month with the lowest UV index in Grandview is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grandview, OH
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Grandview, 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
Grandview, OH
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Grandview, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Grandview, OH
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Grandview, OH
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Grandview, OH
- Average snowfall in December: 1.26"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Grandview, OH
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.8 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
Grandview, OH
- Average daylight in December: 9h and 30min
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 12min
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
Grandview, OH
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Grandview, 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
Grandview, OH
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Grandview, 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).
