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 ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 44.4°F (6.9°C) to an icy 33.3°F (0.7°C). Ortonville in December experiences a minor decline in temperature, with an average low of 24.6°F (-4.1°C) at night.Humidity
In December, the average relative humidity in Ortonville is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.7 days and typically collects 0.75" (19mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Ortonville, in December, during 10.4 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 52.4 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:45 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:09 pm EST.
Sunshine
The average sunshine in December in Ortonville is 3.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Ortonville?
How many hours of sunshine does Ortonville have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Ortonville, MI
- Average high temperature in December: 33.3°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: 24.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Ortonville, MI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Ortonville, MI
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Ortonville, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Ortonville, MI
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in December
Ortonville, MI
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Ortonville, MI
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ortonville, MI
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ortonville, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Ortonville, MI
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Ortonville, 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
Ortonville, MI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Ortonville, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Ortonville, Michigan, USA
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