December weather forecast
Riverside, MI

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Weather in December

The first month of the winter, December, is still a cold month in Riverside, Michigan, with an average temperature varying between 29.1°F (-1.6°C) and 36.3°F (2.4°C).

Temperature

As December commences, the average high-temperature shows a reduction, transitioning from a frosty 45.7°F (7.6°C) in November to a wintry 36.3°F (2.4°C). The temperature in Riverside during December sees a subtle transition from day to night, averaging a low of 29.1°F (-1.6°C).

Humidity

The average relative humidity in December in Riverside is 81%.

Rainfall

In December, the rain falls for 8.6 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 151.6 rainfall days, and 24.37" (619mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Riverside, in December, snow falls for 12.4 days, with typically accumulated 1.81" (46mm) of snow. In Riverside, Michigan, during the entire year, snow falls for 54 days and aggregates up to 10.12" (257mm) of snow.

Daylight

The month with the shortest days in Riverside is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:55 am and sunset at 5:14 pm. On the last day of December, in Riverside, sunrise is at 8:14 am and sunset at 5:23 pm EST.

Sunshine

In December, the average sunshine is 3.3h.

UV index

December is the month with the lowest UV index in Riverside, Michigan, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

How cold is it in Riverside in December?

In Riverside, 36.3°F (2.4°C) is the average high-temperature and 29.1°F (-1.6°C) is the average low-temperature during December.

What is the average humidity in December in Riverside?

The average relative humidity in December in Riverside is 81%.

How many days does it rain in December in Riverside?

In Riverside, Michigan, in December, it is raining for 8.6 days, with typically 1.38" (35mm) of accumulated precipitation.

How much does it snow in Riverside in December?

In December, in Riverside, Michigan, it is snowing for 12.4 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days in Riverside?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Riverside have in December?

In December, the average day length in Riverside is 9h and 10min.

When are sunrise and sunset in December in Riverside?

On the first day of December, sunrise is at 7:55 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:23 pm EST.

How long on average sun shines in December in Riverside?

In Riverside, the average sunshine duration in December is 3.3h.

What is the month with the lowest UV index in Riverside?

December is the month with the lowest UV index in Riverside, with an average maximum UV index of 1.

How high is the UV index in December in Riverside?

In Riverside, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Riverside, MI

Average temperature in December - Riverside, MI
  • Average high temperature in December: 36.3°F

The warmest months (with the highest average high temperature) are July and August (76.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in December
Riverside, MI

Average pressure in December - Riverside, MI
  • Average pressure in December: 30.08"Hg

The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Riverside, MI

Average wind speed in December - Riverside, MI
  • Average wind speed in December: 12.6mph

The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in December
Riverside, MI

Average humidity in December - Riverside, MI
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
Riverside, MI

Average rainfall in December - Riverside, MI
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in December
Riverside, MI

Average rainfall days in December - Riverside, MI
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in December
Riverside, MI

Average snowfall in December - Riverside, MI
  • Average snowfall in December: 1.81"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Riverside, MI

Average snowfall days in December - Riverside, MI
  • Average snowfall days in December: 12.4 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Riverside, MI

Average daylight in December / Average sunshine in December - Riverside, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in December
Riverside, MI

Average sunshine days in December - Riverside, MI
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is January (7.9 days).

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Average UV index in December
Riverside, MI

Average UV index in December - Riverside, MI
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Riverside, MI

Average cloud cover in December - Riverside, MI
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in December
Riverside, MI

Average visibility in December - Riverside, MI
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Riverside, Michigan, USA

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