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 Harrietta's weather is observed as November turns into December, with the average high temperature reducing from an icy 41.2°F (5.1°C) to a subzero cold 30°F (-1.1°C). Harrietta maintains an average of approximately 22.3°F (-5.4°C) during December nights, with only a minimal decrease from the daytime temperature.Humidity
In December, the average relative humidity in Harrietta, Michigan, is 88%.Rainfall
In Harrietta, in December, it is raining for 7.5 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in Harrietta, there are 146.4 rainfall days, and 27.05" (687mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harrietta are January through May, October through December. In Harrietta, during December, snow falls for 20.3 days and regularly aggregates up to 8.15" (207mm) of snow. In Harrietta, during the entire year, snow falls for 100.4 days and aggregates up to 41.69" (1059mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December in Harrietta, sunrise is at 7:59 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 5:13 pm EST.
Sunshine
In Harrietta, the average sunshine in December is 2.1h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Harrietta?
What is the average humidity in December in Harrietta?
How many days does it rain in December in Harrietta?
How much does it snow in Harrietta in December?
What is the month with the shortest days in Harrietta?
How many hours of daylight does Harrietta have in December?
When are sunrise and sunset in December in Harrietta?
How long on average sun shines in December in Harrietta?
What are the months with the lowest UV index in Harrietta?
What is the UV index reading in December in Harrietta?
Average temperature in December
Harrietta, MI
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Harrietta, MI
- Average pressure in December: 30.05"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
Harrietta, MI
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Harrietta, MI
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Harrietta, MI
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in December
Harrietta, MI
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Harrietta, MI
- Average snowfall in December: 8.15"
The month with the highest snowfall is January (10.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrietta, MI
- Average snowfall days in December: 20.3 days
The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrietta, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in December
Harrietta, MI
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (6 days).
Average UV index in December
Harrietta, 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, November and December (UV index 1).
Average cloud cover in December
Harrietta, MI
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Harrietta, MI
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Harrietta, Michigan, USA
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