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
Harrisville's progression into December includes a drop in the average high-temperature, from 42.4°F (5.8°C) in November to a still icy 32.4°F (0.2°C). Harrisville marks an average drop to a freezing cold 25.7°F (-3.5°C) during nighttime in December, following the high of the day.Humidity
The average relative humidity in December is 81%.Rainfall
In Harrisville, in December, during 9 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 136.7 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 15.2 days. Throughout December, 3.11" (79mm) of snow is accumulated. In Harrisville, during the entire year, snow falls for 75.4 days and aggregates up to 19.33" (491mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:50 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:02 pm EST.
Sunshine
In Harrisville, the average sunshine in December is 2.9h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Harrisville. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Boost your sun resistance with garments that are densely woven yet spacious. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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 December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Harrisville have in December?
When is the lowest UV index?
What is the UV index reading in December in Harrisville?
Average temperature in December
Harrisville, MI
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Harrisville, MI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Harrisville, MI
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Harrisville, MI
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Harrisville, MI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in December
Harrisville, MI
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Harrisville, MI
- Average snowfall in December: 3.11"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrisville, MI
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrisville, MI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Harrisville, MI
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is January (8.7 days).
Average UV index in December
Harrisville, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Harrisville, MI
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Harrisville, 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).
Harrisville, Michigan, USA
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