December weather forecastHayesville, IA
December
Weather in December
The first month of the winter, December, is still a cold month in Hayesville, Iowa, with an average temperature ranging between max 34.7°F (1.5°C) and min 23.4°F (-4.8°C).Temperature
In the transition to December, Hayesville observes a drop in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in November to a wintry 34.7°F (1.5°C). Nighttime temperatures hover around an average low of 23.4°F (-4.8°C) in December.Humidity
In Hayesville, the average relative humidity in December is 80%.Rainfall
In Hayesville, Iowa, in December, it is raining for 6.8 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Hayesville, Iowa, there are 137.9 rainfall days, and 27.76" (705mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hayesville are January through May, October through December. In Hayesville, during December, snow falls for 6.5 days and regularly aggregates up to 1.34" (34mm) of snow. In Hayesville, during the entire year, snow falls for 32.8 days and aggregates up to 12.56" (319mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:50 pm CST.
Sunshine
In Hayesville, the average sunshine in December is 4.6h.UV index
January, February, October through 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during 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. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hayesville, IA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Hayesville, 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 (29.89"Hg).
Average wind speed in December
Hayesville, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Hayesville, IA
- Average humidity in December: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hayesville, IA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
Hayesville, IA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Hayesville, IA
- Average snowfall in December: 1.34"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hayesville, IA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hayesville, 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: 4h and 36min
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 12min).
Average sunshine days in December
Hayesville, IA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Hayesville, 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
Hayesville, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Hayesville, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





