December weather forecastBluffton, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Bluffton, Indiana, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 27.1°F (-2.7°C).Temperature
With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 47.7°F (8.7°C) in November to a cold 36.7°F (2.6°C). In December, Bluffton's temperature tends to fall to an average low of 27.1°F (-2.7°C) during the night.Humidity
In Bluffton, the average relative humidity in December is 82%.Rainfall
In Bluffton, in December, it is raining for 6.7 days, with typically 0.79" (20mm) of accumulated precipitation. In Bluffton, during the entire year, the rain falls for 111.9 days and collects up to 9.65" (245mm) of precipitation.Snowfall
Months with snowfall in Bluffton, Indiana, are January through April, October through December. In December, in Bluffton, Indiana, it is snowing for 7.3 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Bluffton, during the entire year, snow falls for 31.1 days and aggregates up to 3.74" (95mm) 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 the month, sunrise is at 7:46 am and sunset at 5:13 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:23 pm EST.
Sunshine
The average sunshine in December in Bluffton is 3.9h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bluffton, IN
- Average high temperature in December: 36.7°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 (31.1°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 (19.8°F).
Average pressure in December
Bluffton, IN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Bluffton, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Bluffton, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Bluffton, IN
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.22").
The driest months (with the least rainfall) are February and November (0.51").
Average rainfall days in December
Bluffton, IN
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Bluffton, IN
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bluffton, IN
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (8.4 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
Bluffton, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Bluffton, IN
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Bluffton, 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
Bluffton, IN
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Bluffton, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
