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
Lake Mills's weather in December is marked by a clear decrease in the average high-temperature, moving down from November's wintry 41.7°F (5.4°C) to a subzero cold 27.3°F (-2.6°C). During December nights, Lake Mills witnesses a consistent average temperature of 16.5°F (-8.6°C).Humidity
In December, the average relative humidity in Lake Mills is 87%.Rainfall
In Lake Mills, during December, the rain falls for 5 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Lake Mills, during the entire year, the rain falls for 138.3 days and collects up to 28.15" (715mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lake Mills. In December, it is snowing for 13.7 days. Throughout December, 4.76" (121mm) of snow is accumulated. In Lake Mills, Iowa, during the entire year, snow falls for 62.9 days and aggregates up to 28.23" (717mm) of snow.Daylight
December has the shortest days of the year in Lake Mills, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December in Lake Mills is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lake Mills. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is December in Lake Mills?
What is the average humidity in December in Lake Mills?
How much does it rain in Lake Mills in December?
How much does it snow in Lake Mills in December?
What is the month with the shortest days in Lake Mills?
What is the average length of the day in December in Lake Mills?
When is the sunrise / sunset in December in Lake Mills?
How many hours of sunshine does Lake Mills have in December?
What is the month with the lowest UV index in Lake Mills?
What is the UV index reading in December in Lake Mills?
Average temperature in December
Lake Mills, IA
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in December: 16.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in December
Lake Mills, 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
Lake Mills, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Lake Mills, IA
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lake Mills, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Lake Mills, IA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Lake Mills, IA
- Average snowfall in December: 4.76"
The month with the highest snowfall is February (7.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lake Mills, IA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lake Mills, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Lake Mills, IA
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Lake Mills, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Lake Mills, IA
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lake Mills, IA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Lake Mills, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
