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
In Grand Rapids, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 47.3°F (8.5°C) to a wintry 36.7°F (2.6°C). Nighttime temperature experiences an average drop to a subzero cold 27.3°F (-2.6°C) in December.Humidity
In December, the average relative humidity is 82%.Rainfall
The month with the least rainfall in Grand Rapids is December, when the rain falls for 11 days and typically collects 1.73" (44mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Grand Rapids, Ohio, during December, snow falls for 11.7 days and regularly aggregates up to 2.8" (71mm) of snow. Throughout the year, there are 52.6 snowfall days, and 15.87" (403mm) of snow is accumulated.Daylight
December has the shortest days of the year in Grand Rapids, with an average of 9h and 12min of daylight.On the first day of December in Grand Rapids, sunrise is at 7:42 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December is 3.8h.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 low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grand Rapids?
What is the average humidity in December in Grand Rapids?
What is the driest month in Grand Rapids?
How many days does it rain in December in Grand Rapids?
How much does it snow in Grand Rapids in December?
What is the month with the shortest days in Grand Rapids?
What is the average length of the day in December in Grand Rapids?
When are sunrise and sunset in December in Grand Rapids?
How many hours of sunshine does Grand Rapids have in December?
What is the month with the lowest UV index in Grand Rapids?
What is the UV index reading in December in Grand Rapids?
Average temperature in December
Grand Rapids, OH
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Grand Rapids, OH
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Grand Rapids, OH
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Grand Rapids, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Grand Rapids, OH
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in December
Grand Rapids, OH
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Grand Rapids, OH
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grand Rapids, OH
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grand Rapids, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 5min
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 24min).
Average sunshine days in December
Grand Rapids, OH
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Grand Rapids, OH
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Grand Rapids, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Grand Rapids, OH
- 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).
Grand Rapids, Ohio, USA
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