December weather forecastMatthews, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Matthews, Indiana, with an average temperature fluctuating between 27.1°F (-2.7°C) and 37.6°F (3.1°C).Temperature
The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 48.2°F (9°C) in November to a wintry 37.6°F (3.1°C). Matthews, during the month of December, experiences an average low-temperature of 27.1°F (-2.7°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Matthews, in December, during 8.9 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 157.2 rainfall days, and 29.72" (755mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Matthews, in December, during 9.6 snowfall days, 2.95" (75mm) of snow is typically accumulated. In Matthews, during the entire year, snow falls for 44 days and aggregates up to 13.5" (343mm) 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 7:46 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:25 pm EST.
Sunshine
The average sunshine in December is 3.8h.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 hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Matthews, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Matthews, IN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Matthews, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Matthews, 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
Matthews, IN
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Matthews, IN
- Average rainfall days in December: 8.9 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 days).
Average snowfall in December
Matthews, IN
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Matthews, IN
- Average snowfall days in December: 9.6 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
Matthews, IN
- Average daylight in December: 9h and 18min
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 48min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Matthews, IN
- Average sunshine days in December: 13.5 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Matthews, 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
Matthews, IN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in December
Matthews, 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).





