Defiance (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Defiance.
Climate overview of Defiance
Defiance, Ohio, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to 0°C (32°F).
The city has a wet climate, receiving around 1004 mm (40 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. June is the wettest month. Sunshine peaks in July, when the city sees around 11.5 hours of sunshine per day.
Defiance Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Defiance - and find the best time to visit.
Monthly Temperature in Defiance
Visitors to Defiance can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 0°C (32°F) in January.
Nighttime temperatures range from 17°C (63°F) in July to -9°C (16°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Defiance
Defiance is known for its substantial rain/snowfall, with annual precipitation reaching 1004 mm (40 in). The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 108 mm (4.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 63 mm (2.5 in) of snowfall. For more details, please visit our Defiance 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 Defiance
In Defiance, summer days are longer and more sunny, with daily sunshine hours peaking at 11.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.5 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 Defiance by Month
The relative humidity is high throughout the year in Defiance.
The city experiences its highest humidity in December, reaching 77%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Defiance
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Defiance
What is the best time to visit Defiance?
July, August and September typically offer the most optimal weather in Defiance. In contrast, January, February, March, November and December tend to have less optimal conditions. Defiance has warm summers and very cold winters.
What temperatures can I expect in Defiance?
Daytime highs range from 0°C (32°F) in January to 29°C (84°F) in July. Nighttime lows range from -9°C (16°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Defiance get?
Annual rainfall is around 1004 mm (40 in). June is the wettest month with 108 mm (4.3 in), while January is the driest with 63 mm (2.5 in).
How sunny is Defiance?
Defiance receives around 2,779 hours of sunshine per year. July is the sunniest month with 345 hours, while December is the cloudiest with just 106 hours. Overall, Defiance enjoys abundant sunshine.
Defiance 3-Day Forecast
Defiance on the map
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