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
The arrival of December corresponds with a temperature reduction, down from November's chilly 46.4°F (8°C) to an icy 35.8°F (2.1°C). Riga's nighttime temperature during December is consistently averaged at a freezing cold 26.4°F (-3.1°C).Humidity
The average relative humidity in December is 83%.Rainfall
The months with the least rainfall are January, February and December Rain falls for 6.9 days and accumulates 0.47" (12mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Riga, during December, snow falls for 8.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Riga, during the entire year, snow falls for 37.4 days and aggregates up to 4.41" (112mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:43 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:14 pm EST.
Sunshine
In Riga, Michigan, the average sunshine in December is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How many days 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 is the sunrise / sunset in December?
How many hours of sunshine does Riga have in December?
What is the month with the lowest UV index in Riga?
What is the UV index intensity in December?
Average temperature in December
Riga, MI
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Riga, MI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Riga, MI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Riga, MI
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Riga, MI
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is June (1.22").
The driest months (with the least rainfall) are January, February and December (0.47").
Average rainfall days in December
Riga, MI
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is June (13.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in December
Riga, MI
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Riga, MI
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riga, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Riga, MI
- Average sunshine days in December: 18.8 days
The months with the most sunshine days are January and November (18.9 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Riga, MI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Riga, MI
- 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 July (Cloud cover 30).
Average visibility in December
Riga, MI
- 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).
Riga, Michigan, USA
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