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's onset brings a slight change in high-temperatures, falling from a chilly 43.7°F (6.5°C) in November to a subzero cold 30.4°F (-0.9°C). Throughout December, an average low-temperature of 19.9°F (-6.7°C) is expected.Humidity
In Denver, Iowa, the average relative humidity in December is 83%.Rainfall
In Denver, during December, the rain falls for 6.3 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 132 rainfall days, and 27.28" (693mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Denver, in December, snow falls for 10.4 days, with typically accumulated 2.99" (76mm) of snow. Throughout the year, in Denver, there are 45.6 snowfall days, and 17.48" (444mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:45 pm CST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Denver?
What is the average humidity in December in Denver?
How many days does it rain in December in Denver?
How many days does it snow in December in Denver?
What is the month with the shortest days in Denver?
What is the average length of the day in December in Denver?
When is the sunrise / sunset in December in Denver?
How long on average sun shines in December in Denver?
When is the lowest UV index in Denver?
What is the UV index reading in December in Denver?
Average temperature in December
Denver, IA
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in December: 19.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in December
Denver, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Denver, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Denver, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Denver, IA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Denver, IA
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Denver, IA
- Average snowfall in December: 2.99"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Denver, IA
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Denver, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Denver, IA
- Average sunshine days in December: 17.5 days
The months with the most sunshine days are October, November and December (17.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Denver, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Denver, IA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Denver, 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).
Denver, Iowa, USA
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