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 stands out as Louisville's coldest month, with an average high-temperature of 31.6°F (-0.2°C) and a low-temperature of 18.9°F (-7.3°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 86%.Rainfall
In Louisville, in January, during 5.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Louisville, during the entire year, the rain falls for 119.1 days and collects up to 9.69" (246mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Louisville. The month with the most snowfall is January, when snow falls for 11.9 days and typically aggregates up to 1.42" (36mm) of snow.Daylight
The average length of the day in January in Louisville is 9h and 38min.On the first day of the month, sunrise is at 7:49 am and sunset at 5:07 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:40 pm EST.
Sunshine
January has the least sunshine of the year in Louisville, with an average of 2.8h of sunshine.UV index
The average daily maximum UV index in January in Louisville, Ohio, is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 in January translates into these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What part of the year is the coldest in Louisville?
How cold is it in Louisville in January?
What is the most humid month in Louisville?
What is the average humidity in January in Louisville?
How many days does it rain in January in Louisville?
When does it snow the most in Louisville?
How many days does it snow in January in Louisville?
How many hours of daylight does Louisville have in January?
When are sunrise and sunset in January in Louisville?
What is the month with the least sunshine in Louisville?
How many hours of sunshine does Louisville have in January?
What is the UV index reading in January in Louisville?
Average temperature in January
Louisville, OH
- Average high temperature in January: 31.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Louisville, 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 (29.94"Hg).
Average wind speed in January
Louisville, OH
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in January
Louisville, OH
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
Louisville, OH
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (1.14").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in January
Louisville, OH
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Louisville, OH
- Average snowfall in January: 1.42"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Louisville, OH
- Average snowfall days in January: 11.9 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Louisville, OH
- 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in January
Louisville, OH
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in January
Louisville, OH
- 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
Louisville, OH
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Louisville, OH
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Louisville, Ohio, USA
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