January weather forecastTrenton, OH
January
Weather in January
January, the same as December, is an icy winter month in Trenton, Ohio, with an average temperature fluctuating between 21.7°F (-5.7°C) and 34.3°F (1.3°C).Temperature
January, on average, is the coldest month, registering a high temperature of 34.3°F (1.3°C) and a low of 21.7°F (-5.7°C).Humidity
January and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Trenton, Ohio, during January, the rain falls for 8.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 148.1 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Trenton, in January, during 8.4 snowfall days, 1.93" (49mm) of snow is typically accumulated. Throughout the year, there are 29.9 snowfall days, and 8.98" (228mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 46min.On the first day of the month, sunrise is at 7:58 am and sunset at 5:24 pm. On the last day of January, sunrise is at 7:46 am and sunset at 5:56 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: In January, the UV index of 2 transforms into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Trenton, OH
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Trenton, OH
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Trenton, OH
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in January
Trenton, OH
- Average humidity in January: 82%
The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
Trenton, OH
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is October (1.57").
Average rainfall days in January
Trenton, OH
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in January
Trenton, OH
- Average snowfall in January: 1.93"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Trenton, OH
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Trenton, OH
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Trenton, OH
- Average sunshine days in January: 15 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in January
Trenton, OH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Trenton, OH
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Trenton, OH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





