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
The coldest period is January, when temperatures fluctuate between an average high of 31.8°F (-0.1°C) and a low of 20.3°F (-6.5°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Trenton, in January, during 8.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 169.1 rainfall days, and 30.98" (787mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Trenton, during January, snow falls for 14.1 days and regularly aggregates up to 3.5" (89mm) of snow. In Trenton, during the entire year, snow falls for 47.6 days and aggregates up to 15.12" (384mm) of snow.Daylight
In January, the average length of the day is 9h and 41min.On the first day of the month, sunrise is at 8:04 am and sunset at 5:24 pm. On the last day of January, in Trenton, sunrise is at 7:51 am and sunset at 5:57 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is 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 Trenton have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Trenton have in January?
What is the UV index intensity in January?
Average temperature in January
Trenton, IN
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Trenton, IN
- Average pressure in January: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Trenton, IN
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Trenton, IN
- Average humidity in January: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Trenton, IN
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in January
Trenton, IN
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in January
Trenton, IN
- Average snowfall in January: 3.5"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Trenton, IN
- Average snowfall days in January: 14.1 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Trenton, IN
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 3min
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 30min).
Average sunshine days in January
Trenton, IN
- Average sunshine days in January: 10.6 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in January
Trenton, IN
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Trenton, IN
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June, July and August (Cloud cover 33).
Average visibility in January
Trenton, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Trenton, Indiana, USA
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