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
A shift in the average high-temperature occurs in December, reducing from a frosty 48.4°F (9.1°C) in November to an icy 37.9°F (3.3°C). December nights cool down to an average low-temperature of 27.7°F (-2.4°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Cowan, in December, during 10.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Cowan, during the entire year, the rain falls for 162 days and collects up to 28.11" (714mm) of precipitation.Snowfall
Months with snowfall in Cowan, Indiana, are January through April, October through December. In Cowan, during December, snow falls for 9.2 days and regularly aggregates up to 2.76" (70mm) of snow. Throughout the year, in Cowan, there are 42.8 snowfall days, and 12.64" (321mm) of snow is accumulated.Daylight
December has the shortest days of the year in Cowan, Indiana, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:45 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:26 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Cowan?
What is the average humidity in December in Cowan?
How many days does it rain in December in Cowan?
How many days does it snow in December in Cowan?
What is the month with the shortest days in Cowan?
How many hours of daylight does Cowan have in December?
When are sunrise and sunset in December in Cowan?
How long on average sun shines in December in Cowan?
When is the lowest UV index in Cowan?
What is the UV index intensity in December in Cowan?
Average temperature in December
Cowan, IN
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Cowan, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cowan, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Cowan, IN
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Cowan, IN
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in December
Cowan, IN
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Cowan, IN
- Average snowfall in December: 2.76"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cowan, IN
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cowan, IN
- 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: 4h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Cowan, IN
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in December
Cowan, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Cowan, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June, July and August (Cloud cover 33).
Average visibility in December
Cowan, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Cowan, Indiana, USA
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