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 frosty 44.4°F (6.9°C) to an icy 33.3°F (0.7°C). Westphalia sees a gentle drop from the daily peak temperature in December, with an average low settling at a subzero cold 25°F (-3.9°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Westphalia, during December, the rain falls for 7.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Westphalia, during the entire year, the rain falls for 121.9 days and collects up to 12.01" (305mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 12.5 days and typically aggregates up to 2.05" (52mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Westphalia, Michigan.On the first day of December, sunrise is at 7:51 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:14 pm EST.
Sunshine
In December, the average sunshine is 3.2h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Westphalia in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Westphalia have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Westphalia?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Westphalia, MI
- Average high temperature in December: 33.3°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 (27.1°F).
- Average low temperature in December: 25°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 (17.1°F).
Average pressure in December
Westphalia, 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
Westphalia, MI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Westphalia, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Westphalia, MI
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are February and November (0.63").
Average rainfall days in December
Westphalia, MI
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Westphalia, MI
- Average snowfall in December: 2.05"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westphalia, MI
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westphalia, MI
- Average daylight in December: 9h and 1min
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: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Westphalia, MI
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Westphalia, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Westphalia, MI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Westphalia, MI
- 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).
Westphalia, Michigan, USA
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