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 start of December signals a decrease in the average high-temperature, transitioning from a chilly 47.3°F (8.5°C) in November to a wintry 36°F (2.2°C). An average low-temperature of 26.4°F (-3.1°C) is common during the nights of December.Humidity
In December, the average relative humidity is 81%.Rainfall
In South Wanatah, in December, it is raining for 6.7 days, with typically 0.98" (25mm) of accumulated precipitation. In South Wanatah, during the entire year, the rain falls for 133.4 days and collects up to 19.09" (485mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 9.1 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 43.8 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:28 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
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?
How many hours of daylight does South Wanatah have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does South Wanatah have in December?
What is the month with the lowest UV index?
How high is the UV index in December in South Wanatah?
Average temperature in December
South Wanatah, IN
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
South Wanatah, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
South Wanatah, IN
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
South Wanatah, IN
- Average humidity in December: 81%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
South Wanatah, IN
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
South Wanatah, IN
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
South Wanatah, IN
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Wanatah, IN
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Wanatah, IN
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
South Wanatah, IN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
South Wanatah, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
South Wanatah, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
South Wanatah, 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).
South Wanatah, Indiana, USA
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