December weather forecastNemaha, IA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 6min
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 42min
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: 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: 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: 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: 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).
