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
Stepping into December, South Whitley observes a temperature decline, with the average high falling from November's frosty 47.1°F (8.4°C) to an icy 36.1°F (2.3°C). In December, the temperature in South Whitley drops to an average of 26.4°F (-3.1°C) at night.Humidity
The average relative humidity in December is 83%.Rainfall
February and December are months with the least rain when the rain falls for 8.9 days and typically aggregates up to 1.34" (34mm) of rain.Snowfall
January through May, October through December are months with snowfall. In South Whitley, in December, during 10.1 snowfall days, 2.01" (51mm) of snow is typically accumulated. In South Whitley, during the entire year, snow falls for 48.1 days and aggregates up to 12.05" (306mm) 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 the month, sunrise is at 7:48 am and sunset at 5:14 pm. On the last day of December, in South Whitley, sunrise is at 8:07 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine in South Whitley is 3.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in South Whitley in December?
What is the average humidity in December in South Whitley?
What is the driest month in South Whitley?
How many days does it rain in December in South Whitley?
How many days does it snow in December in South Whitley?
What is the month with the shortest days in South Whitley?
What is the average length of the day in December in South Whitley?
When are sunrise and sunset in December in South Whitley?
How many hours of sunshine does South Whitley have in December?
When is the lowest UV index in South Whitley?
What is the UV index intensity in December in South Whitley?
Average temperature in December
South Whitley, IN
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
South Whitley, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
South Whitley, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
South Whitley, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
South Whitley, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and December (1.34").
Average rainfall days in December
South Whitley, IN
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
South Whitley, IN
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Whitley, IN
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Whitley, IN
- 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
South Whitley, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
South Whitley, 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 Whitley, IN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
South Whitley, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
South Whitley, Indiana, USA
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