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 November transitions into December, Carlisle sees a drop in the average high-temperature, transitioning from a chilly 47.3°F (8.5°C) to an icy 34.7°F (1.5°C). December nights are marked by an average temperature drop to a subzero cold 22.8°F (-5.1°C).Humidity
The average relative humidity in December is 78%.Rainfall
In December, in Carlisle, the rain falls for 5.4 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Carlisle, during the entire year, the rain falls for 124.7 days and collects up to 26.34" (669mm) of precipitation.Snowfall
Months with snowfall in Carlisle are January through May, October through December. In Carlisle, Iowa, during December, snow falls for 7 days and regularly aggregates up to 1.42" (36mm) of snow. In Carlisle, during the entire year, snow falls for 35.2 days and aggregates up to 13.31" (338mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in Carlisle, sunrise is at 7:21 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:54 pm CST.
Sunshine
The average sunshine in December is 4.6h.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Carlisle?
What is the average humidity in December in Carlisle?
How many days does it rain in December in Carlisle?
How many days does it snow in December in Carlisle?
What is the month with the shortest days in Carlisle?
What is the average length of the day in December in Carlisle?
When are sunrise and sunset in December in Carlisle?
How many hours of sunshine does Carlisle have in December?
How high is the UV index in December in Carlisle?
Average temperature in December
Carlisle, IA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Carlisle, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Carlisle, IA
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Carlisle, IA
- Average humidity in December: 78%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Carlisle, IA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Carlisle, IA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Carlisle, IA
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Carlisle, IA
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Carlisle, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Carlisle, IA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in December
Carlisle, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Carlisle, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in December
Carlisle, 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).
Carlisle, Iowa, USA
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