December weather forecastBartlettsville, IN
December
Weather in December
December, the first month of the winter in Bartlettsville, is also a wintry month, with an average temperature ranging between max 41.7°F (5.4°C) and min 30.2°F (-1°C).Temperature
December's arrival correlates with a reduction in the average high-temperature, down from a fresh 51.3°F (10.7°C) in November to a cold 41.7°F (5.4°C). Bartlettsville, in December, experiences an average temperature of 30.2°F (-1°C) at night.Humidity
February, May and December, with an average relative humidity of 81%, are the most humid months in Bartlettsville.Rainfall
In Bartlettsville, Indiana, in December, it is raining for 9.2 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Bartlettsville, there are 135.6 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Bartlettsville. In December, it is snowing for 5.1 days. Throughout December, 0.79" (20mm) of snow is accumulated. In Bartlettsville, during the entire year, snow falls for 24.4 days and aggregates up to 4.41" (112mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Bartlettsville.On the first day of the month, sunrise is at 7:46 am and sunset at 5:23 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:33 pm EST.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year in Bartlettsville.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bartlettsville, Indiana. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bartlettsville, IN
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 30.2°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 (23.4°F).
Average pressure in December
Bartlettsville, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Bartlettsville, IN
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Bartlettsville, IN
- Average humidity in December: 81%
The months with the highest relative humidity are February, May and December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Bartlettsville, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Bartlettsville, IN
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Bartlettsville, IN
- Average snowfall in December: 0.79"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bartlettsville, IN
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is February (6.6 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
Bartlettsville, 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 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Bartlettsville, IN
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Bartlettsville, IN
- Average UV index in December: 2
The months with the highest UV index are 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
Bartlettsville, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bartlettsville, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





