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 sea temperature 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, characterized by an average high temperature of 31.1°F (-0.5°C) and a low temperature of 21.9°F (-5.6°C), is generally the coldest month.Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
In January, the rain falls for 9 days. Throughout January, 2.4" (61mm) of precipitation is accumulated. In Willoughby, during the entire year, the rain falls for 178.9 days and collects up to 32.2" (818mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Willoughby, during January, snow falls for 17.4 days and regularly aggregates up to 5.04" (128mm) of snow. Throughout the year, there are 64.4 snowfall days, and 19.92" (506mm) of snow is accumulated.Ocean temperature
In Willoughby, Ohio, the average seawater temperature in January is 34.3°F (1.3°C).Note: In swimming exercises, this state is seen as life-threatening and poses serious dangers. The painful sensation of the cold water induces immediate hyperventilation. A specialized swimsuit is required to limit thermal damage.
Daylight
In Willoughby, the average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:52 am and sunset at 5:05 pm. On the last day of January, in Willoughby, sunrise is at 7:38 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine in Willoughby is January, with an average of 2.6h of sunshine.UV index
In Willoughby, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in January transforms 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. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Willoughby?
How cold is it in Willoughby in January?
What are the most humid months in Willoughby?
What is the average humidity in January in Willoughby?
How much does it rain in Willoughby in January?
How much does it snow in Willoughby in January?
What is the ocean temperature in January in Willoughby?
What is the average length of the day in January in Willoughby?
When is the sunrise / sunset in January in Willoughby?
What is the month with the least sunshine in Willoughby?
How long on average sun shines in January in Willoughby?
What is the UV index intensity in January in Willoughby?
Average temperature in January
Willoughby, OH
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Willoughby, OH
- Average pressure in January: 30.09"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
Willoughby, OH
- Average wind speed in January: 11.7mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in January
Willoughby, OH
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in January
Willoughby, OH
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Willoughby, OH
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is October (18 days).
The month with the least rainy days is January (9 days).
Average snowfall in January
Willoughby, OH
- Average snowfall in January: 5.04"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Willoughby, OH
- Average snowfall days in January: 17.4 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in January
Willoughby, OH
- Average sea temperature in January: 34.3°F
The best month for swimming (with the highest average sea temperature) is August (75.7°F).
The coldest month (with the lowest average sea temperature) is February (32.5°F).
Average daylight in January /
Average sunshine in January
Willoughby, 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: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in January
Willoughby, OH
- Average sunshine days in January: 6.8 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in January
Willoughby, OH
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Willoughby, OH
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in January
Willoughby, OH
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Willoughby, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location