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
December comes with a decrease in the average high-temperature, falling from a chilly 49.3°F (9.6°C) in November to an icy 37°F (2.8°C). Throughout the month of December, Cantril witnesses an average low-temperature of 25.2°F (-3.8°C).Humidity
In Cantril, the average relative humidity in December is 79%.Rainfall
In Cantril, in December, during 6.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 136.6 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cantril are January through April, October through December. In Cantril, during December, snow falls for 4.7 days and regularly aggregates up to 1.46" (37mm) of snow. In Cantril, during the entire year, snow falls for 25.3 days and aggregates up to 13.86" (352mm) of snow.Daylight
December has the shortest days of the year in Cantril, Iowa, with an average of 9h and 18min of daylight.On the first day of December in Cantril, sunrise is at 7:13 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:51 pm CST.
Sunshine
In December, the average sunshine in Cantril is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Cantril in December?
What is the average humidity in December in Cantril?
How many days does it rain in December in Cantril?
How many days does it snow in December in Cantril?
What is the month with the shortest days in Cantril?
What is the average length of the day in December in Cantril?
What time are sunrise and sunset in December in Cantril?
How long on average sun shines in December in Cantril?
What is the month with the lowest UV index in Cantril?
What is the UV index reading in December in Cantril?
Average temperature in December
Cantril, IA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Cantril, 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 (29.9"Hg).
Average wind speed in December
Cantril, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Cantril, IA
- Average humidity in December: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Cantril, IA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Cantril, IA
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Cantril, IA
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cantril, IA
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (7.5 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
Cantril, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Cantril, IA
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Cantril, 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, November and December (UV index 2).
Average cloud cover in December
Cantril, IA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Cantril, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Cantril, Iowa, USA
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