December weather forecast
Nemaha, IA

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Weather in December

The first month of the winter, December, is still a freezing cold month in Nemaha, Iowa, with an average temperature varying between 30.2°F (-1°C) and 20.1°F (-6.6°C).

Temperature

December signals a clear temperature drop, with average high-temperatures decreasing from November's chilly 44.8°F (7.1°C) to a freezing cold 30.2°F (-1°C). December witnesses an average nighttime temperature of 20.1°F (-6.6°C).

Humidity

The average relative humidity in December in Nemaha, Iowa, is 81%.

Rainfall

In December, the rain falls for 4 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Nemaha, during the entire year, the rain falls for 107.9 days and collects up to 15.04" (382mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Nemaha, in December, during 7.6 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, there are 35.1 snowfall days, and 7.99" (203mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Nemaha, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:49 am and sunset at 4:57 pm CST.

Sunshine

The average sunshine in December in Nemaha is 4.7h.

UV index

In Nemaha, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Nemaha in December?

In December, in Nemaha, the average high-temperature is 30.2°F (-1°C), and the average low-temperature is 20.1°F (-6.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in July is evaluated at 87.8°F (31°C).

What is the average humidity in December in Nemaha?

The average relative humidity in December in Nemaha, Iowa, is 81%.

How much does it rain in Nemaha in December?

In Nemaha, during December, the rain falls for 4 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How many days does it snow in December in Nemaha?

In Nemaha, Iowa, in December, snow falls for 7.6 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days in Nemaha?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

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

In December, the average day length in Nemaha, Iowa, is 9h and 7min.

What time are sunrise and sunset in December in Nemaha?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:57 pm CST.

How long on average sun shines in December in Nemaha?

The average sunshine duration in December in Nemaha is 4.7h.

What is the UV index intensity in December in Nemaha?

In Nemaha, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Nemaha, IA

Average temperature in December - Nemaha, IA
  • Average high temperature in December: 30.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in December: 20.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

Average pressure in December
Nemaha, IA

Average pressure in December - Nemaha, IA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Nemaha, IA

Average wind speed in December - Nemaha, IA
  • Average wind speed in December: 10.7mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in December
Nemaha, IA

Average humidity in December - Nemaha, IA
  • Average humidity in December: 81%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (67%).

Average rainfall in December
Nemaha, IA

Average rainfall in December - Nemaha, IA
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in December
Nemaha, IA

Average rainfall days in December - Nemaha, IA
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in December
Nemaha, IA

Average snowfall in December - Nemaha, IA
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Nemaha, IA

Average snowfall days in December - Nemaha, IA
  • Average snowfall days in December: 7.6 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
Nemaha, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 4min

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
Nemaha, IA

Average sunshine days in December - Nemaha, IA
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12 days).

Average UV index in December
Nemaha, IA

Average UV index in December - Nemaha, 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 February (UV index 1).

Average cloud cover in December
Nemaha, IA

Average cloud cover in December - Nemaha, IA
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in December
Nemaha, IA

Average visibility in December - Nemaha, 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).

Nemaha, Iowa, USA

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