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, on average, is the coldest month, registering a high temperature of 30.6°F (-0.8°C) and a low of 18.9°F (-7.3°C).Humidity
January, February and July, with an average relative humidity of 84%, are the most humid months.Rainfall
In January, the rain falls for 4.6 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Rochester, Indiana, there are 129.2 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Rochester, in January, snow falls for 8 days, with typically accumulated 1.61" (41mm) of snow. Throughout the year, there are 29.3 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 37min.On the first day of the month, sunrise is at 8:09 am and sunset at 5:26 pm. On the last day of January, sunrise is at 7:56 am and sunset at 5:59 pm EST.
Sunshine
With an average of 3.4h of sunshine, January has the least sunshine of the year.UV index
In Rochester, Indiana, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in January leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
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 many days does it snow in January in Rochester?
How many hours of daylight does Rochester have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Rochester have in January?
What is the UV index reading in January in Rochester?
Average temperature in January
Rochester, IN
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Rochester, IN
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Rochester, 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
Rochester, 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 (74%).
Average rainfall in January
Rochester, IN
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and December (0.79").
Average rainfall days in January
Rochester, IN
- Average rainfall days in January: 4.6 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in January
Rochester, IN
- Average snowfall in January: 1.61"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Rochester, IN
- Average snowfall days in January: 8 days
The month with the highest number of snowfall days is January (8 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
Rochester, IN
- Average daylight in January: 9h and 4min
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 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Rochester, IN
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in January
Rochester, IN
- Average UV index in January: 2
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rochester, IN
- Average cloud cover in January: 65
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Rochester, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Rochester, Indiana, USA
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