December weather forecastMoonlight, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Moonlight, Indiana, with an average temperature varying between 25.7°F (-3.5°C) and 34.7°F (1.5°C).Temperature
Moonlight's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 45.5°F (7.5°C) to an icy 34.7°F (1.5°C). In Moonlight, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 10.7 days and typically collects 1.54" (39mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Moonlight, Indiana, in December, snow falls for 12.1 days, with typically accumulated 2.6" (66mm) of snow. Throughout the year, there are 59.2 snowfall days, and 15.91" (404mm) 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 7:47 am and sunset at 5:10 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:20 pm EST.
Sunshine
In December, the average sunshine is 3.5h.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 exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moonlight, IN
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Moonlight, IN
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Moonlight, IN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Moonlight, IN
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in December
Moonlight, IN
- Average rainfall in December: 1.54"
The wettest months (with the highest rainfall) are April and May (3.54").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in December
Moonlight, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Moonlight, IN
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Moonlight, IN
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Moonlight, IN
- Average daylight in December: 9h and 12min
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 30min
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 0min).
Average sunshine days in December
Moonlight, IN
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Moonlight, IN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Moonlight, IN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Moonlight, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
