Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Westerville (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Westerville.
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Climate overview of Westerville
Temperatures in Westerville, Ohio, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 2°C (36°F).
The city has a wet climate, receiving around 1096 mm (43 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. June is the wettest month. Sunshine peaks in July, when the city sees around 8.7 hours of sunshine per day.
Westerville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Westerville - and find the best time to visit.
Monthly Temperature in Westerville
The climate in Westerville is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 2°C (36°F) in January.
Nighttime temperatures range from 18°C (64°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Westerville
Westerville has a notably wet climate with abundant precipitation, recording 1096 mm (43 in) of rain/snowfall per year. The seasons in Westerville bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 145 mm (5.7 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, November, experiences much less rainfall, totaling 62 mm (2.4 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Westerville 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 Westerville
In Westerville, summer days are longer and more sunny, with daily sunshine hours peaking at 8.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Columbus, the United States of America (19 KM, 11 Miles).
Daily hours of sunshine
Data from: Columbus, the United States of America (19 KM, 11 Miles).
Daily percentage of sunshine
Data from: Columbus, the United States of America (19 KM, 11 Miles).
Humidity in Westerville by Month
The relative humidity is high throughout the year in Westerville.
The city experiences its highest humidity in December, reaching 74%. In April, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Columbus, the United States of America (19 KM, 11 Miles).
Best Time to Visit Westerville
The most comfortable overall weather for exploring Westerville is usually found in May, August and September. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
very good
May
excellent
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
very good
Nov
mixed
Dec
wet
- Best overall: May, August and September
- Warmest weather: June, July and August
- Most sunshine: June and July
- Fewer rainy days: February, August, September, October and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Westerville
What is the best time to visit Westerville?
May, August and September typically offer the most optimal weather in Westerville. In contrast, January, February and December tend to have less optimal conditions. Westerville has warm summers and cold winters.
What temperatures can I expect in Westerville?
Daytime highs range from 2°C (36°F) in January to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Westerville get?
Annual rainfall is around 1096 mm (43 in). June is the wettest month with 145 mm (5.7 in), while November is the driest with 62 mm (2.4 in).
How sunny is Westerville?
Westerville receives around 2,178 hours of sunshine per year. July is the sunniest month with 260 hours, while December is the cloudiest with just 84 hours. Overall, Westerville enjoys abundant sunshine.
Westerville 3-Day Forecast
Westerville on the map
Westerville is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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