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
The arrival of December signals a clear decrease in the average high-temperature, falling from a chilly 43.9°F (6.6°C) in November to a freezing cold 28.2°F (-2.1°C). In Middleburg, the average low-temperature during the month of December is 17.1°F (-8.3°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Middleburg, Iowa, in December, it is raining for 5.2 days, with typically 1.26" (32mm) of accumulated precipitation. In Middleburg, during the entire year, the rain falls for 120.4 days and collects up to 21.57" (548mm) of precipitation.Snowfall
Months with snowfall in Middleburg, Iowa, are January through May, October through December. In Middleburg, in December, snow falls for 10.1 days, with typically accumulated 2.95" (75mm) of snow. In Middleburg, during the entire year, snow falls for 47.3 days and aggregates up to 18.5" (470mm) 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 7:36 am and sunset at 4:50 pm. On the last day of December, in Middleburg, sunrise is at 7:55 am and sunset at 4:59 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Middleburg?
What is the average humidity in December in Middleburg?
How many days does it rain in December in Middleburg?
How much does it snow in Middleburg in December?
What is the month with the shortest days in Middleburg?
What is the average length of the day in December in Middleburg?
When is the sunrise / sunset in December in Middleburg?
How long on average sun shines in December in Middleburg?
What are the months with the lowest UV index in Middleburg?
What is the UV index intensity in December in Middleburg?
Average temperature in December
Middleburg, IA
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 17.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in December
Middleburg, IA
- 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 (29.86"Hg).
Average wind speed in December
Middleburg, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Middleburg, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Middleburg, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Middleburg, IA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Middleburg, IA
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Middleburg, IA
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Middleburg, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Middleburg, IA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Middleburg, 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, October, November and December (UV index 2).
Average cloud cover in December
Middleburg, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Middleburg, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Middleburg, Iowa, USA
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