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
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 45°F (7.2°C) in November to an icy 33.4°F (0.8°C). Alto in December experiences a minor decline in temperature, with an average low of 25.2°F (-3.8°C) at night.Humidity
The average relative humidity in December in Alto is 85%.Rainfall
In Alto, in December, during 8.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 146.3 rainfall days, and 23.07" (586mm) of precipitation is accumulated.Snowfall
Months with snowfall in Alto are January through May, October through December. In December, in Alto, Michigan, it is snowing for 15.5 days. Throughout December, 5.08" (129mm) of snow is accumulated. In Alto, Michigan, during the entire year, snow falls for 71.2 days and aggregates up to 21.93" (557mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:53 am and sunset at 5:08 pm. On the last day of December, sunrise is at 8:12 am and sunset at 5:17 pm EST.
Sunshine
In Alto, the average sunshine in December is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Alto. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Alto?
What is the average humidity in December in Alto?
How many days does it rain in December in Alto?
How much does it snow in Alto in December?
What is the month with the shortest days in Alto?
How many hours of daylight does Alto have in December?
When are sunrise and sunset in December in Alto?
How long on average sun shines in December in Alto?
What are the months with the lowest UV index in Alto?
How high is the UV index in December in Alto?
Average temperature in December
Alto, MI
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Alto, MI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Alto, MI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Alto, MI
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Alto, MI
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in December
Alto, MI
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Alto, MI
- Average snowfall in December: 5.08"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alto, MI
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alto, MI
- Average daylight in December: 9h and 1min
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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Alto, MI
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in December
Alto, MI
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Alto, MI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Alto, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Alto, Michigan, USA
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