December weather forecast
Buffalo Heights, IA

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Weather in December

The first month of the winter, December, is also an icy month in Buffalo Heights, Iowa, with temperature in the range of an average high of 34.5°F (1.4°C) and an average low of 24.1°F (-4.4°C).

Temperature

As December arrives, Buffalo Heights's weather displays a decrease in high-temperatures, transitioning from November's chilly 47.1°F (8.4°C) to a wintry 34.5°F (1.4°C). In Buffalo Heights, the average low-temperature during the month of December is a subzero cold 24.1°F (-4.4°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

December is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.75" (19mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Buffalo Heights, in December, snow falls for 7.8 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 35.4 snowfall days, and 8.35" (212mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Buffalo Heights, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:43 pm CST.

Sunshine

In December, the average sunshine in Buffalo Heights is 4.4h.

UV index

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Buffalo Heights, 34.5°F (1.4°C) is the average high-temperature and 24.1°F (-4.4°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in December?

In Buffalo Heights, in December, it is raining for 6.6 days, with typically 0.75" (19mm) of accumulated precipitation.

How many days does it snow in December?

In Buffalo Heights, in December, during 7.8 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Buffalo Heights?

In December, the average day length in Buffalo Heights is 9h and 14min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:43 pm CST.

How many hours of sunshine does Buffalo Heights have in December?

In December, the average sunshine duration is 4.4h.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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 Heights, IA

Average temperature in December - Buffalo Heights, IA
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in December
Buffalo Heights, IA

Average pressure in December - Buffalo Heights, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Buffalo Heights, IA

Average wind speed in December - Buffalo Heights, IA
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in December
Buffalo Heights, IA

Average humidity in December - Buffalo Heights, IA
  • Average humidity in December: 81%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Buffalo Heights, IA

Average rainfall in December - Buffalo Heights, IA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is December (0.75").

Average rainfall days in December
Buffalo Heights, IA

Average rainfall days in December - Buffalo Heights, IA
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in December
Buffalo Heights, IA

Average snowfall in December - Buffalo Heights, IA
  • Average snowfall in December: 1.42"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Buffalo Heights, IA

Average snowfall days in December - Buffalo Heights, IA
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.3 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
Buffalo Heights, IA

Average daylight in December / Average sunshine in December - Buffalo Heights, IA
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Buffalo Heights, IA

Average sunshine days in December - Buffalo Heights, IA
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in December
Buffalo Heights, IA

Average UV index in December - Buffalo Heights, IA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Buffalo Heights, IA

Average cloud cover in December - Buffalo Heights, IA
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Buffalo Heights, IA

Average visibility in December - Buffalo Heights, IA
  • 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 Heights, Iowa, USA

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