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 shift to December brings a decrease in the average high-temperature, falling from a chilly 46.4°F (8°C) in November to an icy 34°F (1.1°C). In Cosgrove, the nighttime temperature averages to a freezing cold 22.8°F (-5.1°C) during December.Humidity
In December, the average relative humidity in Cosgrove is 80%.Rainfall
In December, the rain falls for 7 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Cosgrove, there are 140.4 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Cosgrove, Iowa, during December, snow falls for 8.4 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, there are 37.7 snowfall days, and 16.42" (417mm) of snow is accumulated.Daylight
The month with the shortest days in Cosgrove is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:37 pm. On the last day of December, in Cosgrove, sunrise is at 7:33 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.4h.UV index
The average daily maximum UV index in December in Cosgrove, Iowa, is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Cosgrove?
What is the average humidity in December in Cosgrove?
How many days does it rain in December in Cosgrove?
How much does it snow in Cosgrove in December?
What is the month with the shortest days in Cosgrove?
What is the average length of the day in December in Cosgrove?
When are sunrise and sunset in December in Cosgrove?
How many hours of sunshine does Cosgrove have in December?
How high is the UV index in December in Cosgrove?
Average temperature in December
Cosgrove, IA
- Average high temperature in December: 34°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 (27.3°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Cosgrove, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Cosgrove, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Cosgrove, IA
- Average humidity in December: 80%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Cosgrove, IA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and February (1.34").
Average rainfall days in December
Cosgrove, IA
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Cosgrove, IA
- Average snowfall in December: 2.28"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cosgrove, IA
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cosgrove, IA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Cosgrove, IA
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Cosgrove, 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
Cosgrove, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Cosgrove, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Cosgrove, Iowa, USA
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