December weather forecastJerome, MI
December
Weather in December
December, the first month of the winter in Jerome, is also a wintry month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 34.5°F (1.4°C).Temperature
Onset of December comes with a temperature decline, the average high falling from a frosty 45.3°F (7.4°C) in November to a wintry 34.5°F (1.4°C). Jerome records an average low of 25.2°F (-3.8°C) throughout the nights in December.Humidity
In Jerome, the average relative humidity in December is 84%.Rainfall
December is the month with the least rainfall. Rain falls for 7.6 days and accumulates 1.22" (31mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Jerome, during December, snow falls for 10.5 days and regularly aggregates up to 2.05" (52mm) of snow. In Jerome, during the entire year, snow falls for 47.6 days and aggregates up to 15.04" (382mm) 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 7:47 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:16 pm EST.
Sunshine
In December, the average sunshine is 3.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jerome, MI
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Jerome, 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
Jerome, MI
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Jerome, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (77%).
Average rainfall in December
Jerome, MI
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.22").
Average rainfall days in December
Jerome, MI
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Jerome, MI
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jerome, MI
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jerome, MI
- Average daylight in December: 9h and 12min
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 18min
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 54min).
Average sunshine days in December
Jerome, MI
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Jerome, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Jerome, MI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Jerome, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





