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, having an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 20.5°F (-6.4°C), is the coldest month.Humidity
In January, the average relative humidity is 84%.Rainfall
In Flat Rock, during January, the rain falls for 9.3 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Flat Rock, during the entire year, the rain falls for 176.1 days and collects up to 31.46" (799mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 14.7 days. Throughout January, 3.54" (90mm) of snow is accumulated. In Flat Rock, during the entire year, snow falls for 54.2 days and aggregates up to 15.67" (398mm) of snow.Daylight
The average length of the day in January is 9h and 37min.On the first day of the month, sunrise is at 7:56 am and sunset at 5:12 pm. On the last day of January, sunrise is at 7:43 am and sunset at 5:46 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.2h of sunshine.UV index
In Flat Rock, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in Flat Rock in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January in Flat Rock?
What is the UV index intensity in January?
Average temperature in January
Flat Rock, OH
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 20.5°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 (20.5°F).
Average pressure in January
Flat Rock, OH
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Flat Rock, OH
- Average wind speed in January: 11.3mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Flat Rock, OH
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Flat Rock, OH
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in January
Flat Rock, OH
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Flat Rock, OH
- Average snowfall in January: 3.54"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Flat Rock, OH
- Average snowfall days in January: 14.7 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Flat Rock, 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: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in January
Flat Rock, OH
- Average sunshine days in January: 9.7 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in January
Flat Rock, 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
Flat Rock, OH
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Flat Rock, OH
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Flat Rock, Ohio, USA
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