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 ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 49.6°F (9.8°C) to a cold 39.2°F (4°C). Grandview Heights records a steady low-temperature average of 29.3°F (-1.5°C) during December.Humidity
The average relative humidity in December is 81%.Rainfall
In Grandview Heights, in December, during 11.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 164.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Grandview Heights, in December, snow falls for 8.7 days, with typically accumulated 2.44" (62mm) of snow. In Grandview Heights, Ohio, during the entire year, snow falls for 42.3 days and aggregates up to 12.28" (312mm) of snow.Daylight
December has the shortest days of the year in Grandview Heights, 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
The average sunshine in December in Grandview Heights 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold does it get in Grandview Heights in December?
What is the average humidity in December in Grandview Heights?
How much does it rain in Grandview Heights in December?
How much does it snow in Grandview Heights in December?
What is the month with the shortest days in Grandview Heights?
What is the average length of the day in December in Grandview Heights?
What time are sunrise and sunset in December in Grandview Heights?
How long on average sun shines in December in Grandview Heights?
What are the months with the lowest UV index in Grandview Heights?
What is the UV index intensity in December in Grandview Heights?
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 2min
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 5min
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).
Grandview Heights, Ohio, USA
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