Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As December begins, there is a decrease in the average high-temperature, falling from a chilly 44.1°F (6.7°C) in November to a subzero cold 30°F (-1.1°C). December brings an average low-temperature of 19°F (-7.2°C) to Rutland.Humidity
In Rutland, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 130.6 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rutland, during December, snow falls for 9.3 days and regularly aggregates up to 2.76" (70mm) of snow. Throughout the year, there are 41.2 snowfall days, and 18.11" (460mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rutland. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rutland have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Rutland, IA
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 19°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Rutland, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Rutland, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Rutland, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Rutland, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Rutland, IA
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Rutland, IA
- Average snowfall in December: 2.76"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rutland, IA
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rutland, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 3min
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
Rutland, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Rutland, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rutland, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in December
Rutland, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Rutland, Iowa, USA
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