December weather forecastSlabtown, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Slabtown, Indiana, with an average temperature ranging between min 29.3°F (-1.5°C) and max 40.1°F (4.5°C).Temperature
The beginning of December involves a decrease in the average high-temperature, transitioning from a fresh 50°F (10°C) in November to an icy 40.1°F (4.5°C). Slabtown encounters a steady low-temperature average of 29.3°F (-1.5°C) throughout the month of December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 82%.Rainfall
In December, in Slabtown, the rain falls for 10.7 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Slabtown, during the entire year, the rain falls for 161.3 days and collects up to 31.26" (794mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Slabtown, Indiana. In Slabtown, in December, snow falls for 7.8 days, with typically accumulated 1.77" (45mm) of snow. Throughout the year, there are 35 snowfall days, and 10.67" (271mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:42 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:28 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Slabtown, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Slabtown, IN
- Average pressure in December: 30.12"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
Slabtown, IN
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Slabtown, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Slabtown, IN
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Slabtown, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Slabtown, IN
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Slabtown, IN
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Slabtown, IN
- Average daylight in December: 9h and 30min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Slabtown, IN
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Slabtown, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Slabtown, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Slabtown, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





