December weather forecastBluffs, IN
December
Weather in December
December, the first month of the winter in Bluffs, is still a cold month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 39.6°F (4.2°C).Temperature
December comes with a decrease in the average high-temperature, falling from a frosty 49.5°F (9.7°C) in November to an icy 39.6°F (4.2°C). During the month of December, an average low-temperature of 28.2°F (-2.1°C) is recorded in Bluffs, Indiana.Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 171.4 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Bluffs, in December, during 7.6 snowfall days, 3.11" (79mm) of snow is typically accumulated. In Bluffs, during the entire year, snow falls for 33.7 days and aggregates up to 12.48" (317mm) 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 7:47 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:31 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Bluffs. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bluffs, IN
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Bluffs, 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
Bluffs, IN
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Bluffs, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Bluffs, IN
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Bluffs, IN
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Bluffs, IN
- Average snowfall in December: 3.11"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bluffs, IN
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (9.6 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
Bluffs, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Bluffs, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Bluffs, 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, October, November and December (UV index 2).
Average cloud cover in December
Bluffs, 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 30).
Average visibility in December
Bluffs, IN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, July and December (5mi).
