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 32°F (0°C) and an average low-temperature of 20.3°F (-6.5°C), is the coldest month.Humidity
January is the most humid month in Radnor, Ohio, with an average relative humidity of 84%.Rainfall
In January, the rain falls for 10.2 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. In Radnor, during the entire year, the rain falls for 172.1 days and collects up to 32.01" (813mm) of precipitation.Snowfall
Months with snowfall in Radnor, Ohio, are January through April, October through December. The month with the most snowfall in Radnor is January, when snow falls for 13.8 days and typically aggregates up to 3.46" (88mm) of snow.Daylight
The average length of the day in January in Radnor, Ohio, is 9h and 41min.On the first day of January, sunrise is at 7:55 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:49 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Radnor. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Radnor?
How cold is January in Radnor?
What is the most humid month in Radnor?
What is the average humidity in January in Radnor?
How many days does it rain in January in Radnor?
When does it snow the most in Radnor?
How many days does it snow in January in Radnor?
How many hours of daylight does Radnor have in January?
When is the sunrise / sunset in January in Radnor?
What is the month with the least sunshine in Radnor?
How long on average sun shines in January in Radnor?
When is the lowest UV index in Radnor?
How high is the UV index in January in Radnor?
Average temperature in January
Radnor, OH
- Average high temperature in January: 32°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 (32°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Radnor, OH
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Radnor, OH
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Radnor, OH
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in January
Radnor, OH
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Radnor, OH
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in January
Radnor, OH
- Average snowfall in January: 3.46"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Radnor, OH
- Average snowfall days in January: 13.8 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Radnor, OH
- 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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Radnor, OH
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in January
Radnor, OH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Radnor, OH
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Radnor, 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).
Radnor, Ohio, USA
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