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
A change in temperatures is noted as November gives way to December, with average highs reducing from a chilly 44.8°F (7.1°C) to a freezing cold 30.6°F (-0.8°C). In Border Plains, December nights witness a steady temperature drop to 19.9°F (-6.7°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Border Plains, in December, during 4.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Border Plains, during the entire year, the rain falls for 135.2 days and collects up to 26.5" (673mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9.7 days. Throughout December, 3.35" (85mm) of snow is accumulated. In Border Plains, during the entire year, snow falls for 41.8 days and aggregates up to 16.61" (422mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:53 pm CST.
Sunshine
In Border Plains, the average sunshine in December is 4.5h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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 much does it rain in December?
How much does it snow in Border Plains in December?
What is the month with the shortest days?
How many hours of daylight does Border Plains have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Border Plains, IA
- Average high temperature in December: 30.6°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 (25.2°F).
- Average low temperature in December: 19.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Border Plains, 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
Border Plains, IA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Border Plains, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Border Plains, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Border Plains, IA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Border Plains, IA
- Average snowfall in December: 3.35"
The month with the highest snowfall is February (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Border Plains, IA
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Border Plains, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Border Plains, IA
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Border Plains, 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 January (UV index 1).
Average cloud cover in December
Border Plains, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Border Plains, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Border Plains, Iowa, USA
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