Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 28.4°F (-2°C) and a low of 17.8°F (-7.9°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 85%.Rainfall
In Plymouth, Michigan, during January, the rain falls for 5.4 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Plymouth, during the entire year, the rain falls for 123.8 days and collects up to 11.73" (298mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Plymouth, Michigan, in January, snow falls for 12.8 days, with typically accumulated 1.89" (48mm) of snow. In Plymouth, during the entire year, snow falls for 46.3 days and aggregates up to 6.14" (156mm) of snow.Daylight
In January, the average length of the day is 9h and 30min.On the first day of January, sunrise is at 8:03 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:45 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Plymouth have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Plymouth, MI
- Average high temperature in January: 28.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in January: 17.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in January
Plymouth, MI
- Average pressure in January: 30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Plymouth, MI
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in January
Plymouth, MI
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Plymouth, MI
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in January
Plymouth, MI
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in January
Plymouth, MI
- Average snowfall in January: 1.89"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Plymouth, MI
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Plymouth, MI
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Plymouth, MI
- Average sunshine days in January: 15 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is April (13 days).
Average UV index in January
Plymouth, MI
- Average UV index in January: 2
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 January
Plymouth, MI
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Plymouth, MI
- Average visibility in January: 5mi
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).
Plymouth, Michigan, USA
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