December weather forecastGrandview Heights, OH
December
Weather in December
December, the first month of the winter in Grandview Heights, is still a cold month, with an average temperature fluctuating between 39.2°F (4°C) and 29.3°F (-1.5°C).Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a frosty 49.6°F (9.8°C) in November to an icy 39.2°F (4°C). During December, Grandview Heights observes a consistent average nighttime temperature of 29.3°F (-1.5°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Grandview Heights, in December, it is raining for 11.6 days, with typically 2.4" (61mm) of accumulated precipitation. In Grandview Heights, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Grandview Heights, in December, during 8.7 snowfall days, 2.44" (62mm) of snow is typically accumulated. In Grandview Heights, during the entire year, snow falls for 42.3 days and aggregates up to 12.28" (312mm) of snow.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 7:35 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:17 pm EST.
Sunshine
In Grandview Heights, Ohio, the average sunshine in December is 3.9h.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 radiation for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grandview Heights, OH
- Average high temperature in December: 39.2°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 (33.4°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 (21.6°F).
Average pressure in December
Grandview Heights, OH
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Grandview Heights, OH
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Grandview Heights, OH
- Average humidity in December: 81%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Grandview Heights, OH
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Grandview Heights, OH
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Grandview Heights, OH
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Grandview Heights, OH
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grandview Heights, OH
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Grandview Heights, OH
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Grandview Heights, OH
- Average UV index in December: 2
The months with the highest UV index are May, 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
Grandview Heights, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Grandview Heights, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
