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
The beginning of December involves a decrease in the average high-temperature, transitioning from a frosty 47.8°F (8.8°C) in November to a cold 37.9°F (3.3°C). During December, the temperature is averaged to a low of 26.8°F (-2.9°C) at night.Humidity
In Westhill Heights, the average relative humidity in December is 85%.Rainfall
In Westhill Heights, during December, the rain falls for 11.7 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Westhill Heights, during the entire year, the rain falls for 173.3 days and collects up to 30.71" (780mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Westhill Heights. In Westhill Heights, during December, snow falls for 14.6 days and regularly aggregates up to 5.31" (135mm) of snow. In Westhill Heights, during the entire year, snow falls for 70 days and aggregates up to 26.54" (674mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:05 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. 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
Is December cold?
What is the average humidity in December?
How much does it rain in Westhill Heights in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Westhill Heights have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Westhill Heights, OH
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Westhill Heights, OH
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Westhill Heights, OH
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Westhill Heights, OH
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Westhill Heights, OH
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Westhill Heights, OH
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Westhill Heights, OH
- Average snowfall in December: 5.31"
The month with the highest snowfall is January (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westhill Heights, OH
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westhill Heights, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Westhill Heights, OH
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Westhill Heights, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Westhill Heights, OH
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Westhill Heights, OH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Westhill Heights, Ohio, USA
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