December weather forecastMay City, IA
December
Weather in December
The first month of the winter, December, is still a freezing cold month in May City, Iowa, with an average temperature fluctuating between 27.5°F (-2.5°C) and 16.5°F (-8.6°C).Temperature
May City's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a frosty 43°F (6.1°C) in November to a subzero cold 27.5°F (-2.5°C). The average low-temperature of 16.5°F (-8.6°C) is witnessed in May City during December.Humidity
In December, the average relative humidity is 84%.Rainfall
In May City, in December, it is raining for 3.2 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in May City, there are 95.2 rainfall days, and 9.25" (235mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In May City, Iowa, in December, during 8.5 snowfall days, 0.63" (16mm) of snow is typically accumulated. In May City, during the entire year, snow falls for 40.2 days and aggregates up to 5.79" (147mm) of snow.Daylight
December has the shortest days of the year in May City, with an average of 9h and 0min of daylight.On the first day of December in May City, Iowa, sunrise is at 7:35 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:56 pm CST.
Sunshine
In May City, the average sunshine in December is 4.4h.UV index
The average daily maximum UV index in December in May City is 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: The maximum UV index, 2 during December, leads to the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
May City, IA
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 16.5°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 (9.9°F).
Average pressure in December
May City, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
May City, IA
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
May City, 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 (68%).
Average rainfall in December
May City, IA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
May City, IA
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
May City, IA
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
May City, IA
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
May City, IA
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
May City, IA
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in December
May City, 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 and November (UV index 1).
Average cloud cover in December
May City, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
May City, 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).





