December weather forecastForest Hills, MI
December
Weather in December
The first month of the winter, December, is also an icy month in Forest Hills, Michigan, with an average temperature varying between 33.4°F (0.8°C) and 24.8°F (-4°C).Temperature
Transition into December marks a drop in the average high-temperature, moving from a frosty 45°F (7.2°C) in November to a wintry 33.4°F (0.8°C). In Forest Hills, the month of December brings a consistent average low-temperature of 24.8°F (-4°C), slightly cooler than its daytime highs.Humidity
In December, the average relative humidity is 85%.Rainfall
In December, the rain falls for 7.4 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 142.8 rainfall days, and 27.28" (693mm) of precipitation is accumulated.Snowfall
Months with snowfall in Forest Hills are January through April, October through December. In December, in Forest Hills, Michigan, it is snowing for 13.8 days. Throughout December, 3.98" (101mm) of snow is accumulated. In Forest Hills, during the entire year, snow falls for 60.2 days and aggregates up to 20.83" (529mm) of snow.Daylight
The month with the shortest days in Forest Hills is December, with an average of 9h and 6min of daylight.On the first day of December in Forest Hills, Michigan, sunrise is at 7:53 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:17 pm EST.
Sunshine
In Forest Hills, the average sunshine in December is 2.7h.UV index
The months with the lowest UV index in Forest Hills are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest Hills, MI
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Forest Hills, MI
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Forest Hills, MI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Forest Hills, MI
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Forest Hills, MI
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Forest Hills, MI
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Forest Hills, MI
- Average snowfall in December: 3.98"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Forest Hills, MI
- Average snowfall days in December: 13.8 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forest Hills, MI
- Average daylight in December: 9h and 6min
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: 2h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Forest Hills, MI
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is January (9.2 days).
Average UV index in December
Forest Hills, 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
Forest Hills, MI
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Forest Hills, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
