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 beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 45°F (7.2°C) in November to a subzero cold 31.5°F (-0.3°C). Randall's temperature drops to an average low of 20.5°F (-6.4°C) during the nights of December.Humidity
In December, the average relative humidity in Randall is 81%.Rainfall
In December, the rain falls for 5.6 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Randall, during the entire year, the rain falls for 143.3 days and collects up to 29.25" (743mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Randall. In Randall, during December, snow falls for 10.5 days and regularly aggregates up to 3.27" (83mm) of snow. In Randall, during the entire year, snow falls for 45.8 days and aggregates up to 16.85" (428mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Randall.On the first day of December, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:52 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Randall, Iowa, are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Randall?
What is the average humidity in December in Randall?
How much does it rain in Randall in December?
How much does it snow in Randall in December?
What is the month with the shortest days in Randall?
How many hours of daylight does Randall have in December?
When is the sunrise / sunset in December in Randall?
How long on average sun shines in December in Randall?
When is the lowest UV index in Randall?
What is the UV index reading in December in Randall?
Average temperature in December
Randall, IA
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Randall, 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 (29.88"Hg).
Average wind speed in December
Randall, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Randall, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Randall, IA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Randall, IA
- Average rainfall days in December: 5.6 days
The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Randall, IA
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Randall, IA
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Randall, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Randall, IA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in December
Randall, 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, October, November and December (UV index 2).
Average cloud cover in December
Randall, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Randall, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Randall, Iowa, USA
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