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 shows a mild decline in the average high-temperature, falling from November's chilly 45.7°F (7.6°C) to a cold 35.8°F (2.1°C). Riverview encounters an average temperature dip to a freezing cold 28.4°F (-2°C) throughout December, subtly lower than its daytime maximum.Humidity
In December, the average relative humidity is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.7 days and typically collects 1.26" (32mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, in Riverview, it is snowing for 6.7 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 37.5 snowfall days, and 12.24" (311mm) of snow is accumulated.Daylight
December has the shortest days of the year in Riverview, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:01 pm. On the last day of December, in Riverview, sunrise is at 8:01 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in December in Riverview is 3.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Riverview in December?
What is the average humidity in December in Riverview?
What is the driest month in Riverview?
How much does it rain in Riverview in December?
How many days does it snow in December in Riverview?
What is the month with the shortest days in Riverview?
What is the average length of the day in December in Riverview?
When are sunrise and sunset in December in Riverview?
How long on average sun shines in December in Riverview?
When is the lowest UV index in Riverview?
What is the UV index intensity in December in Riverview?
Average temperature in December
Riverview, MI
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Riverview, MI
- Average pressure in December: 30.08"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
Riverview, MI
- Average wind speed in December: 10.7mph
The windiest months (with the highest average wind speed) are January and November (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Riverview, MI
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Riverview, MI
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days in December
Riverview, MI
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Riverview, MI
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Riverview, MI
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Riverview, 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 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Riverview, MI
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Riverview, 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).
Average cloud cover in December
Riverview, MI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Riverview, 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).
Riverview, Michigan, USA
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