Willoughby (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Willoughby.
Climate overview of Willoughby
Willoughby, Ohio, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to 1°C (34°F) in February.
The city has a wet climate, receiving around 1202 mm (47 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. July is the wettest month. July is the sunniest month, averaging 10.2 hours of sunshine per day.
Willoughby Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Willoughby - and find the best time to visit.
Monthly Temperature in Willoughby
Depending on the time of the year, temperatures range from comfortable to very cold in Willoughby. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold 1°C (34°F) in February.
Nighttime temperatures range from 19°C (66°F) in July to -7°C (19°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Willoughby
Willoughby has a relatively rain/snowy climate with high precipitation levels, averaging 1202 mm (47 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 133 mm (5.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 74 mm (2.9 in) of snow/rainfall. For more details, please visit our Willoughby Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Willoughby
In Willoughby, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Willoughby by Month
The relative humidity is high throughout the year in Willoughby.
The city experiences its highest humidity in September, reaching 74%. In April, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Willoughby
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Willoughby
What is the best time to visit Willoughby?
May typically offers the most optimal weather in Willoughby. In contrast, January, February, March and December tend to have less optimal conditions. Willoughby has warm summers and very cold winters.
What temperatures can I expect in Willoughby?
Daytime highs range from 1°C (34°F) in February to 27°C (81°F) in July. Nighttime lows range from -7°C (19°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Willoughby get?
Annual rainfall is around 1202 mm (47 in). July is the wettest month with 133 mm (5.2 in), while January is the driest with 74 mm (2.9 in).
How sunny is Willoughby?
Willoughby receives around 2,282 hours of sunshine per year. July is the sunniest month with 307 hours, while December is the cloudiest with just 68 hours. Overall, Willoughby enjoys abundant sunshine.
Willoughby 3-Day Forecast
Willoughby on the map
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