January weather forecastPlymouth, OH
January
Weather in January
January, the same as December, in Plymouth, Ohio, is a freezing cold winter month, with an average temperature varying between 19.4°F (-7°C) and 30.6°F (-0.8°C).Temperature
Plymouth's coldest weather arrives in January, when temperatures average a high of 30.6°F (-0.8°C) and a low of 19.4°F (-7°C).Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
In Plymouth, in January, it is raining for 7.8 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 171.1 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Plymouth, during January, snow falls for 15.3 days and regularly aggregates up to 4.21" (107mm) of snow. In Plymouth, during the entire year, snow falls for 57.3 days and aggregates up to 19.13" (486mm) of snow.Daylight
In January, the average length of the day is 9h and 38min.On the first day of the month, sunrise is at 7:55 am and sunset at 5:12 pm. On the last day of January, sunrise is at 7:42 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
In Plymouth, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Plymouth, OH
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 19.4°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 (19.4°F).
Average pressure in January
Plymouth, OH
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Plymouth, OH
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in January
Plymouth, OH
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in January
Plymouth, OH
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in January
Plymouth, OH
- Average rainfall days in January: 7.8 days
The months with the highest number of rainy days are May and July (18.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Plymouth, OH
- Average snowfall in January: 4.21"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Plymouth, OH
- Average snowfall days in January: 15.3 days
The month with the highest number of snowfall days is January (15.3 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, OH
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Plymouth, OH
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in January
Plymouth, OH
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Plymouth, OH
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in January
Plymouth, OH
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).





