December weather forecastAltona, NE
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Altona, Nebraska, with an average temperature varying between 18.9°F (-7.3°C) and 31.1°F (-0.5°C).Temperature
As November transitions into December, Altona sees a clear drop in the average high-temperature, declining from a chilly 46.9°F (8.3°C) to a subzero cold 31.1°F (-0.5°C). In the month of December, the average temperature dips to 18.9°F (-7.3°C) during the night.Humidity
In December, the average relative humidity in Altona is 80%.Rainfall
In December, the rain falls for 3.7 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Altona, there are 120.7 rainfall days, and 20.31" (516mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Altona, in December, during 7.7 snowfall days, 2.91" (74mm) of snow is typically accumulated. Throughout the year, there are 36.1 snowfall days, and 14.09" (358mm) 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 the month, sunrise is at 7:37 am and sunset at 4:57 pm. On the last day of December, in Altona, sunrise is at 7:56 am and sunset at 5:06 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altona, NE
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Altona, 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 (29.85"Hg).
Average wind speed in December
Altona, NE
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Altona, NE
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Altona, NE
- Average rainfall in December: 1.18"
The wettest months (with the highest rainfall) are May and June (2.91").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in December
Altona, NE
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in December
Altona, NE
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Altona, NE
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Altona, NE
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Altona, NE
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Altona, NE
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Altona, NE
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Altona, NE
- 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).
