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
As December arrives, Bluffton's weather displays a decrease in high-temperatures, transitioning from November's frosty 48°F (8.9°C) to an icy 37°F (2.8°C). Bluffton's nights in December cool down to an average low-temperature of 27.3°F (-2.6°C).Humidity
The average relative humidity in December in Bluffton is 82%.Rainfall
In December, the rain falls for 7.2 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. 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. In Bluffton, during December, snow falls for 6.8 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 34.3 snowfall days, and 2.91" (74mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.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, in Bluffton, sunrise is at 7:59 am and sunset at 5:17 pm EST.
Sunshine
In December, the average sunshine in Bluffton, Ohio, is 3.8h.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 minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Bluffton in December?
What is the average humidity in December in Bluffton?
How many days does it rain in December in Bluffton?
How many days does it snow in December in Bluffton?
What is the month with the shortest days in Bluffton?
How many hours of daylight does Bluffton have in December?
When are sunrise and sunset in December in Bluffton?
How long on average sun shines in December in Bluffton?
What is the month with the lowest UV index in Bluffton?
What is the UV index intensity in December in Bluffton?
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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