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
Arrival of December comes with a reduction in the average high-temperature, falling from a wintry 42.6°F (5.9°C) in November to a subzero cold 28.6°F (-1.9°C). In the month of December, the average low-temperature usually rests at a still freezing cold 18.1°F (-7.7°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in Lansing, the rain falls for 5.2 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Lansing, Iowa, there are 144.7 rainfall days, and 30.94" (786mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.7 days. Throughout December, 4.92" (125mm) of snow is accumulated. In Lansing, Iowa, during the entire year, snow falls for 57.7 days and aggregates up to 24.88" (632mm) of snow.Daylight
December has the shortest days of the year in Lansing, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of December, in Lansing, sunrise is at 7:37 am and sunset at 4:39 pm CST.
Sunshine
In Lansing, the average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in Lansing?
What is the average humidity in December in Lansing?
How much does it rain in Lansing in December?
How many days does it snow in December in Lansing?
What is the month with the shortest days in Lansing?
What is the average length of the day in December in Lansing?
When is the sunrise / sunset in December in Lansing?
How long on average sun shines in December in Lansing?
What are the months with the lowest UV index in Lansing?
How high is the UV index in December in Lansing?
Average temperature in December
Lansing, IA
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in December
Lansing, IA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Lansing, IA
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Lansing, IA
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Lansing, IA
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (5.24").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Lansing, IA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Lansing, IA
- Average snowfall in December: 4.92"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lansing, IA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lansing, 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 August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Lansing, IA
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in December
Lansing, IA
- Average UV index in December: 1
The month with the highest UV index is 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
Lansing, IA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Lansing, IA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Lansing, Iowa, USA
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