December weather forecast
Ames, NE

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Weather in December

December, the first month of the winter in Ames, is still a cold month, with an average temperature fluctuating between 34.3°F (1.3°C) and 21.6°F (-5.8°C).

Temperature

The arrival of December brings a significant change in Ames's weather, with average high-temperatures dropping from November's chilly 48.7°F (9.3°C) to a wintry 34.3°F (1.3°C). Throughout the month of December, Ames observes an average nighttime temperature of 21.6°F (-5.8°C).

Humidity

In Ames, the average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 4.5 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Ames, Nebraska, during the entire year, the rain falls for 127.2 days and collects up to 24.41" (620mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Ames, in December, snow falls for 7.2 days, with typically accumulated 2.44" (62mm) of snow. In Ames, during the entire year, snow falls for 34.4 days and aggregates up to 13.23" (336mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:07 pm CST.

Sunshine

In December, the average sunshine in Ames is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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: The UV index of 2 in December translates into these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Ames in December has an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 77%.

How many days does it rain in December in Ames?

In Ames, in December, during 4.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Ames, in December, snow falls for 7.2 days, with typically accumulated 2.44" (62mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:34 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:07 pm CST.

How long on average sun shines in December?

In Ames, the average sunshine duration in December is 5h.

When is 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 intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Ames, NE

Average temperature in December - Ames, NE
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 21.6°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in December
Ames, NE

Average pressure in December - Ames, NE
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Ames, NE

Average wind speed in December - Ames, NE
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in December
Ames, NE

Average humidity in December - Ames, NE
  • Average humidity in December: 77%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (65%).

Average rainfall in December
Ames, NE

Average rainfall in December - Ames, NE
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in December
Ames, NE

Average rainfall days in December - Ames, NE
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in December
Ames, NE

Average snowfall in December - Ames, NE
  • Average snowfall in December: 2.44"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ames, NE

Average snowfall days in December - Ames, NE
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ames, NE

Average daylight in December / Average sunshine in December - Ames, NE
  • 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Ames, NE

Average sunshine days in December - Ames, NE
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in December
Ames, NE

Average UV index in December - Ames, NE
  • Average UV index in December: 2

The months with the highest UV index are 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
Ames, NE

Average cloud cover in December - Ames, NE
  • Average cloud cover in December: 44

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Ames, NE

Average visibility in December - Ames, NE
  • Average visibility in December: 6mi

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

Ames, Nebraska, USA

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