December weather forecastEllston, IA
December
Weather in December
The first month of the winter, December, is still a cold month in Ellston, Iowa, with an average temperature fluctuating between 23.2°F (-4.9°C) and 35.2°F (1.8°C).Temperature
The start of December involves a temperature drop, moving from a chilly 48.4°F (9.1°C) in November to a cold 35.2°F (1.8°C). An average low-temperature of 23.2°F (-4.9°C) is common during the nights of December.Humidity
The average relative humidity in December is 78%.Rainfall
February and December are months with the least rain in Ellston when the rain falls for 5.4 days and typically aggregates up to 0.71" (18mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In December, in Ellston, it is snowing for 5.8 days. Throughout December, 1.42" (36mm) of snow is accumulated. Throughout the year, in Ellston, Iowa, there are 28.7 snowfall days, and 11.85" (301mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Ellston.On the first day of the month, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of December, in Ellston, sunrise is at 7:40 am and sunset at 4:58 pm CST.
Sunshine
In Ellston, the average sunshine in December is 5h.UV index
In Ellston, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. 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. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ellston, IA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Ellston, 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 (29.88"Hg).
Average wind speed in December
Ellston, IA
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Ellston, IA
- Average humidity in December: 78%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Ellston, IA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").
Average rainfall days in December
Ellston, IA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in December
Ellston, IA
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ellston, IA
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ellston, IA
- Average daylight in December: 9h and 18min
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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Ellston, IA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Ellston, 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
Ellston, IA
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Ellston, 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).
