January weather forecastPlymouth, IN
January
Weather in January
January, the same as December, in Plymouth, Indiana, is a freezing cold winter month, with an average temperature ranging between max 29.8°F (-1.2°C) and min 18.9°F (-7.3°C).Temperature
Plymouth reaches its lowest average temperatures in January, measuring 29.8°F (-1.2°C) at the peak and 18.9°F (-7.3°C) at the lowest.Humidity
January, February and July, with an average relative humidity of 84%, are the most humid months in Plymouth.Rainfall
In Plymouth, during January, the rain falls for 6.8 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Plymouth, during the entire year, the rain falls for 150.8 days and collects up to 19.21" (488mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall in Plymouth. Snow falls for 15.3 days and accumulates 2.83" (72mm) of snow.Daylight
In January, the average length of the day is 9h and 36min.On the first day of the month, sunrise is at 8:11 am and sunset at 5:26 pm. On the last day of January, sunrise is at 7:57 am and sunset at 5:59 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index in Plymouth are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 1 leads to the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Plymouth, IN
- Average high temperature in January: 29.8°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 (29.8°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Plymouth, IN
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Plymouth, IN
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Plymouth, IN
- Average humidity in January: 84%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Plymouth, IN
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in January
Plymouth, IN
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in January
Plymouth, IN
- Average snowfall in January: 2.83"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Plymouth, IN
- 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, IN
- 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 12min).
- Average sunshine in January: 3h and 18min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Plymouth, IN
- Average sunshine days in January: 11.8 days
The months with the most sunshine days are October and November (15.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in January
Plymouth, IN
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Plymouth, IN
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Plymouth, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
