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 Ireton welcomes December, there is a noticeable shift in the average high-temperature, dropping from November's frosty 45.1°F (7.3°C) to a subzero cold 29.3°F (-1.5°C). Throughout December nights, Ireton experiences a consistent temperature average of 16.9°F (-8.4°C).Humidity
In December, the average relative humidity in Ireton is 83%.Rainfall
In December, the rain falls for 1.9 days. Throughout December, 0.35" (9mm) of precipitation is accumulated. In Ireton, during the entire year, the rain falls for 80.7 days and collects up to 6.54" (166mm) of precipitation.Snowfall
Months with snowfall in Ireton are January through May, October through December. In December, it is snowing for 5.5 days. Throughout December, 0.35" (9mm) of snow is accumulated. In Ireton, during the entire year, snow falls for 27.5 days and aggregates up to 2.76" (70mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:56 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December is 4.5h.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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ireton?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ireton have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Ireton have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ireton, IA
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in December
Ireton, 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
Ireton, IA
- Average wind speed in December: 9.9mph
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
Ireton, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Ireton, IA
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is June (1.06").
The driest months (with the least rainfall) are January and February (0.16").
Average rainfall days in December
Ireton, IA
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is June (13 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Ireton, IA
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ireton, IA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ireton, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Ireton, IA
- Average sunshine days in December: 26 days
The month with the most sunshine days is December (26 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in December
Ireton, 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, November and December (UV index 2).
Average cloud cover in December
Ireton, 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
Ireton, 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).
Ireton, Iowa, USA
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