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
Observing a mild shift, the average high-temperature during December reduces from November's fresh 51.3°F (10.7°C) to an icy 40.8°F (4.9°C). In the month of December, the temperature generally rests at an average low of 29.5°F (-1.4°C).Humidity
With an average relative humidity of 82%, December is the most humid month.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. In Cornelius, during the entire year, the rain falls for 151.7 days and collects up to 27.91" (709mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 5.6 days. Throughout December, 1.73" (44mm) of snow is accumulated. In Cornelius, during the entire year, snow falls for 25.4 days and aggregates up to 8.78" (223mm) of snow.Daylight
The month with the shortest days in Cornelius is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:46 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:32 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January, February, October through 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 low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Cornelius have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Cornelius, IN
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°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 (22.5°F).
Average pressure in December
Cornelius, IN
- 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 (29.93"Hg).
Average wind speed in December
Cornelius, IN
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Cornelius, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Cornelius, IN
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Cornelius, IN
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (19.6 days).
The months with the least rainy days are January and February (8 days).
Average snowfall in December
Cornelius, IN
- Average snowfall in December: 1.73"
The month with the highest snowfall is March (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cornelius, IN
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (6.8 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
Cornelius, IN
- Average daylight in December: 9h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Cornelius, IN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in December
Cornelius, IN
- 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, October, November and December (UV index 2).
Average cloud cover in December
Cornelius, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Cornelius, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Cornelius, Indiana, USA
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