December weather forecast
Buffalo, MO

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Weather in December

December, the first month of the winter in Buffalo, is also a frosty month, with an average temperature varying between 29.3°F (-1.5°C) and 44.1°F (6.7°C).

Temperature

The onset of December brings a small change in high-temperatures, falling from a cool 54.5°F (12.5°C) in November to a frosty 44.1°F (6.7°C). Buffalo anticipates an average minimum temperature of 29.3°F (-1.5°C) in the month of December.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Buffalo, in December, during 6.9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 150.7 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Buffalo, in December, during 3.8 snowfall days, 1.77" (45mm) of snow is typically accumulated. Throughout the year, there are 19.8 snowfall days, and 9.25" (235mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:04 pm CST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 44.1°F (6.7°C) and a low-temperature of 29.3°F (-1.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 98.6°F (37°C).

What is the average humidity in December?

The average relative humidity in December in Buffalo is 75%.

How much does it rain in December?

In Buffalo, during December, the rain falls for 6.9 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 3.8 days. Throughout December, 1.77" (45mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Buffalo, the average day length in December is 9h and 37min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:04 pm CST.

How long on average sun shines in December in Buffalo?

In Buffalo, Missouri, the average sunshine duration in December is 5.4h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Buffalo?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Buffalo, MO

Average temperature in December - Buffalo, MO
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in December
Buffalo, MO

Average pressure in December - Buffalo, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

Average wind speed in December
Buffalo, MO

Average wind speed in December - Buffalo, MO
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in December
Buffalo, MO

Average humidity in December - Buffalo, MO
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August, October and November (73%).

Average rainfall in December
Buffalo, MO

Average rainfall in December - Buffalo, MO
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is January (1.61").

Average rainfall days in December
Buffalo, MO

Average rainfall days in December - Buffalo, MO
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is December (6.9 days).

Average snowfall in December
Buffalo, MO

Average snowfall in December - Buffalo, MO
  • Average snowfall in December: 1.77"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Buffalo, MO

Average snowfall days in December - Buffalo, MO
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Buffalo, MO

Average daylight in December / Average sunshine in December - Buffalo, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Buffalo, MO

Average sunshine days in December - Buffalo, MO
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Buffalo, MO

Average UV index in December - Buffalo, MO
  • Average UV index in December: 2

The months with the highest UV index are May, 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
Buffalo, MO

Average cloud cover in December - Buffalo, MO
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Buffalo, MO

Average visibility in December - Buffalo, MO
  • Average visibility in December: 6mi

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

Buffalo, Missouri, USA

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