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 brings the lowest temperatures, with an average high of 30.6°F (-0.8°C) and an average low of 20.7°F (-6.3°C).Humidity
The average relative humidity in January is 83%.Rainfall
In Rocky Ridge, in January, during 8.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Rocky Ridge, during the entire year, the rain falls for 163.9 days and collects up to 30.63" (778mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In January, it is snowing for 14.3 days. Throughout January, 3.03" (77mm) of snow is accumulated. Throughout the year, there are 50.8 snowfall days, and 12.8" (325mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 35min.On the first day of January, sunrise is at 7:59 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:46 pm EST.
Sunshine
With an average of 3.3h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of 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 many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Rocky Ridge, OH
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Rocky Ridge, 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
Rocky Ridge, OH
- Average wind speed in January: 11.6mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in January
Rocky Ridge, OH
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
Rocky Ridge, OH
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in January
Rocky Ridge, OH
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Rocky Ridge, OH
- Average snowfall in January: 3.03"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Rocky Ridge, OH
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rocky Ridge, 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 12min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Rocky Ridge, OH
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in January
Rocky Ridge, OH
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rocky Ridge, 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 29).
Average visibility in January
Rocky Ridge, 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).
Rocky Ridge, Ohio, USA
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