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
A shift in the average high-temperature occurs in December, reducing from a frosty 46°F (7.8°C) in November to a cold 36.3°F (2.4°C). Saint Joseph notes an average temperature descent to a subzero cold 29.1°F (-1.6°C) in December, a small shift from its daytime peak.Humidity
In December, the average relative humidity in Saint Joseph is 81%.Rainfall
In Saint Joseph, in December, during 9.7 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Saint Joseph, during the entire year, the rain falls for 160 days and collects up to 32.48" (825mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Saint Joseph, in December, snow falls for 10.2 days, with typically accumulated 2.2" (56mm) of snow. In Saint Joseph, Michigan, during the entire year, snow falls for 46.9 days and aggregates up to 12.28" (312mm) 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 the month, sunrise is at 7:55 am and sunset at 5:15 pm. On the last day of December, in Saint Joseph, Michigan, sunrise is at 8:14 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine is 3.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Saint Joseph in December?
What is the average humidity in December in Saint Joseph?
How much does it rain in Saint Joseph in December?
How many days does it snow in December in Saint Joseph?
What is the month with the shortest days in Saint Joseph?
What is the average length of the day in December in Saint Joseph?
What time are sunrise and sunset in December in Saint Joseph?
How long on average sun shines in December in Saint Joseph?
What is the month with the lowest UV index in Saint Joseph?
What is the UV index reading in December in Saint Joseph?
Average temperature in December
Saint Joseph, MI
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30°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 (22.3°F).
Average pressure in December
Saint Joseph, 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).
Average wind speed in December
Saint Joseph, MI
- Average wind speed in December: 12.8mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Saint Joseph, MI
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Saint Joseph, MI
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Saint Joseph, MI
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Saint Joseph, MI
- Average snowfall in December: 2.2"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Saint Joseph, MI
- Average snowfall days in December: 10.2 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint Joseph, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Saint Joseph, MI
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Saint Joseph, 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
Saint Joseph, MI
- Average cloud cover in December: 68
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 27).
Average visibility in December
Saint Joseph, 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).
Saint Joseph, Michigan, USA
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