December weather forecastDows, IA
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Dows, Iowa, with an average temperature ranging between max 28.8°F (-1.8°C) and min 18.3°F (-7.6°C).Temperature
In Dows, stepping into December signifies a significant temperature decrement, moving down from November's chilly 43.2°F (6.2°C) to a subzero cold 28.8°F (-1.8°C). Nighttime temperature dips to a mean of 18.3°F (-7.6°C) during December.Humidity
In Dows, Iowa, the average relative humidity in December is 84%.Rainfall
In Dows, in December, it is raining for 4.6 days, with typically 1.42" (36mm) of accumulated precipitation. In Dows, Iowa, during the entire year, the rain falls for 136.3 days and collects up to 26.18" (665mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Dows, during December, snow falls for 9.7 days and regularly aggregates up to 2.87" (73mm) of snow. In Dows, Iowa, during the entire year, snow falls for 44.7 days and aggregates up to 20.51" (521mm) of snow.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 7:25 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:50 pm CST.
Sunshine
In Dows, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 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's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dows, IA
- Average high temperature in December: 28.8°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 (23.4°F).
- Average low temperature in December: 18.3°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 (10.8°F).
Average pressure in December
Dows, IA
- Average pressure in December: 30.11"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
Dows, IA
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Dows, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Dows, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Dows, IA
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Dows, IA
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dows, IA
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dows, IA
- Average daylight in December: 9h and 6min
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 12min
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 42min).
Average sunshine days in December
Dows, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Dows, IA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Dows, IA
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in December
Dows, 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).





