December weather forecastCumberland, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Cumberland, Indiana, with an average temperature ranging between min 28°F (-2.2°C) and max 38.3°F (3.5°C).Temperature
In the transition to December, Cumberland observes a drop in the average high-temperature, moving from a frosty 49.3°F (9.6°C) in November to a cold 38.3°F (3.5°C). Cumberland records an average low-temperature of 28°F (-2.2°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 Cumberland, in December, during 4.2 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 96.6 rainfall days, and 7.32" (186mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. December is the month with the most snowfall. Snow falls for 4.3 days and accumulates 0.59" (15mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:46 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:29 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cumberland, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Cumberland, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cumberland, IN
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Cumberland, 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
Cumberland, IN
- Average rainfall in December: 0.55"
The wettest months (with the highest rainfall) are May and June (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Cumberland, IN
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (4.2 days).
Average snowfall in December
Cumberland, IN
- Average snowfall in December: 0.59"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cumberland, IN
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cumberland, IN
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Cumberland, IN
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is June (15 days).
Average UV index in December
Cumberland, 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
Cumberland, 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 29).
Average visibility in December
Cumberland, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
