Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A subtle decrease in the average high-temperature marks December, falling from November's frosty 48°F (8.9°C) to a cold 37°F (2.8°C). During December, the temperature is averaged to a low of 27.3°F (-2.6°C) at night.Humidity
In Bluffton, the average relative humidity in December is 82%.Rainfall
In Bluffton, Ohio, during December, the rain falls for 7.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 120.1 rainfall days, and 9.49" (241mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Bluffton, during December, snow falls for 6.8 days and regularly aggregates up to 0.43" (11mm) of snow. In Bluffton, Ohio, during the entire year, snow falls for 34.3 days and aggregates up to 2.91" (74mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:41 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in December is 3.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Bluffton in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Bluffton have in December?
What is the month with the lowest UV index in Bluffton?
What is the UV index intensity in December?
Average temperature in December
Bluffton, OH
- Average high temperature in December: 37°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 (31.3°F).
- Average low temperature in December: 27.3°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, OH
- Average pressure in December: 30.11"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, OH
- 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, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Bluffton, OH
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.22").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in December
Bluffton, OH
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Bluffton, OH
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bluffton, OH
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bluffton, OH
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Bluffton, OH
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Bluffton, OH
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Bluffton, OH
- 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, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Bluffton, Ohio, USA
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