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 arrival of December corresponds with a temperature reduction, down from November's frosty 49.1°F (9.5°C) to a wintry 39.6°F (4.2°C). During December, Fairview Heights records an average temperature of 28°F (-2.2°C) at night.Humidity
The average relative humidity in December in Fairview Heights, Ohio, is 83%.Rainfall
In Fairview Heights, Ohio, in December, it is raining for 12.1 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Fairview Heights, Ohio, there are 175.9 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Fairview Heights. In Fairview Heights, in December, during 11.7 snowfall days, 3.43" (87mm) of snow is typically accumulated. In Fairview Heights, during the entire year, snow falls for 56.5 days and aggregates up to 19.41" (493mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:06 pm EST.
Sunshine
In Fairview Heights, the average sunshine in December is 3.5h.UV index
The month with the lowest UV index in Fairview Heights is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Fairview Heights?
What is the average humidity in December in Fairview Heights?
How many days does it rain in December in Fairview Heights?
How much does it snow in Fairview Heights in December?
What is the month with the shortest days in Fairview Heights?
What is the average length of the day in December in Fairview Heights?
When is the sunrise / sunset in December in Fairview Heights?
How long on average sun shines in December in Fairview Heights?
When is the lowest UV index in Fairview Heights?
What is the UV index reading in December in Fairview Heights?
Average temperature in December
Fairview Heights, OH
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°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 (20.3°F).
Average pressure in December
Fairview Heights, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Fairview Heights, OH
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Fairview Heights, OH
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Fairview Heights, OH
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Fairview Heights, OH
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Fairview Heights, OH
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Fairview Heights, OH
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fairview 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 18min).
- Average sunshine in December: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Fairview Heights, OH
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).
Average UV index in December
Fairview Heights, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Fairview Heights, OH
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Fairview Heights, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Fairview Heights, Ohio, USA
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