December weather forecast and climate
Bryan, OH

The first month of the winter, December, is also a wintry month in Bryan, Ohio, with average temperature ranging between min 26.2°F (-3.2°C) and max 36.1°F (2.3°C).

Temperature

In December, the average high-temperature decreases, from a chilly 46.8°F (8.2°C) in November, to a wintry 36.1°F (2.3°C). In Bryan, the average low-temperature is 26.2°F (-3.2°C).

Humidity

The average relative humidity in Bryan is 83%.

Rainfall

The month with the least rainfall in Bryan is December when the rain falls for 10.5 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 11.6 days. Throughout December, 2.24" (57mm) of snow is accumulated. Throughout the year, in Bryan, there are 50.7 snowfall days, and 14.09" (358mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Bryan, with an average of 9.2h of daylight.

Sunshine

The average sunshine in Bryan is 3.6h.

UV index

The month with the lowest UV index in Bryan, Ohio, is December, 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 the UV radiation for the average person.
Note: The average daily UV index of 1 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Bryan?

The average high-temperature, in December, is 36.1°F (2.3°C), while the average low-temperature is 26.2°F (-3.2°C).

What is the average humidity in December in Bryan?

The average relative humidity in December in Bryan is 83%.

How many days does it rain in December in Bryan?

In December, in Bryan, the rain falls for 10.5 days. Throughout December, 1.54" (39mm) of precipitation is accumulated.

What is the driest month in Bryan?

The month with the least rainfall in Bryan is December when the rain falls for 10.5 days and typically collects 1.54" (39mm) of precipitation.

How much does it snow in Bryan in December?

In Bryan, during December, snow falls for 11.6 days and regularly aggregates up to 2.24" (57mm) of snow.

What is the month with the shortest days in Bryan?

The month with the shortest days is December, with an average of 9.2h of daylight.

What is the average length of the day in December in Bryan?

In December, the average length of the day in Bryan is 9.2h.

How long on average sun shines in December in Bryan?

In Bryan, the average sunshine in December is 3.6h.

When is the lowest UV index in Bryan?

December is the month with the lowest UV index in Bryan, Ohio, with an average maximum UV index of 1.

How high is the UV index in December in Bryan?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Bryan, OH
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December - Bryan, OH
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in December - Bryan, OH
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December - Bryan, OH
  • Average humidity in December: 83%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December - Bryan, OH
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in December - Bryan, OH
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December - Bryan, OH
  • Average snowfall in December: 2.24"

The month with the highest snowfall is February (3.66").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in December - Bryan, OH
  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (13.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Bryan, OH
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 3.6h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.2h).

Average sunshine days in December - Bryan, OH
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (9.5 days).

Average UV index in December - Bryan, OH
  • Average UV index in December: 1

Months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December - Bryan, OH
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December - Bryan, OH
  • Average visibility in December: 6mi

Months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
Months with the lowest visibility are January, February, August and September (5mi).