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
McClelland's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a frosty 48.2°F (9°C) in November to an icy 33.6°F (0.9°C). During December, McClelland observes a consistent average nighttime temperature of 21.9°F (-5.6°C).Humidity
In McClelland, the average relative humidity in December is 78%.Rainfall
In McClelland, in December, during 5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In McClelland, Iowa, during the entire year, the rain falls for 125.8 days and collects up to 25.35" (644mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In McClelland, in December, during 7 snowfall days, 2.36" (60mm) of snow is typically accumulated. In McClelland, during the entire year, snow falls for 33.7 days and aggregates up to 13.07" (332mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:03 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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 in McClelland?
What is the month with the shortest days?
How many hours of daylight does McClelland have in December?
When are sunrise and sunset in December?
How many hours of sunshine does McClelland have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
McClelland, IA
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
McClelland, 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
McClelland, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
McClelland, IA
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
McClelland, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in December
McClelland, IA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
McClelland, IA
- Average snowfall in December: 2.36"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McClelland, IA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McClelland, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
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 42min).
Average sunshine days in December
McClelland, IA
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
McClelland, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
McClelland, IA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
McClelland, 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).
McClelland, Iowa, USA
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