December weather forecastSulphur, IN
December
Weather in December
The first month of the winter, December, is also a frosty month in Sulphur, Indiana, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 31.8°F (-0.1°C).Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 52.9°F (11.6°C) in November to a frosty 43.9°F (6.6°C). In December, Sulphur encounters an average low-temperature of 31.8°F (-0.1°C) during the night.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Sulphur, in December, during 11.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Sulphur, Indiana, during the entire year, the rain falls for 160 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall in Sulphur are January through April, September through December. In Sulphur, during December, snow falls for 5.5 days and regularly aggregates up to 1.14" (29mm) of snow. In Sulphur, during the entire year, snow falls for 26.8 days and aggregates up to 7.91" (201mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:44 am and sunset at 5:26 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:36 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. 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
Sulphur, IN
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Sulphur, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Sulphur, IN
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Sulphur, IN
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Sulphur, IN
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Sulphur, IN
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Sulphur, IN
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Sulphur, IN
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sulphur, IN
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Sulphur, IN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Sulphur, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sulphur, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Sulphur, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
