Harrison (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Harrison.
Climate overview of Harrison
Harrison, Ohio, United States of America, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 4°C (39°F).
The city has a wet climate, receiving around 1165 mm (46 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. April is the wettest month. Sunshine peaks in June, when the city sees around 9.2 hours of sunshine per day.
Harrison Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harrison - and find the best time to visit.
Monthly Temperature in Harrison
Visitors to Harrison can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a chilly 4°C (39°F) in January.
Nighttime temperatures range from 18°C (64°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Harrison
Harrison is known for its substantial rain/snowfall, with annual precipitation reaching 1165 mm (46 in). The amount of precipitation varies moderately throughout the year. The wettest month, April, sees around 133 mm (5.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 74 mm (2.9 in) of snow/rainfall. For more details, please visit our Harrison Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Harrison
In Harrison, summer days are longer and more sunny, with daily sunshine hours peaking at 9.2 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Harrison by Month
The relative humidity is high throughout the year in Harrison.
The city experiences its highest humidity in December, reaching 73%. 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
Best Time to Visit Harrison
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Most sunshine: June
- Fewer rainy days: February, August, September, October and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Harrison
What is the best time to visit Harrison?
September typically offers the most optimal weather in Harrison. In contrast, January, February, March and December tend to have less optimal conditions. Harrison has very warm summers and cold winters.
What temperatures can I expect in Harrison?
Daytime highs range from 4°C (39°F) in January to 30°C (86°F) in August. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Harrison get?
Annual rainfall is around 1165 mm (46 in). April is the wettest month with 133 mm (5.2 in), while February is the driest with 74 mm (2.9 in).
How sunny is Harrison?
Harrison receives around 2,295 hours of sunshine per year. June is the sunniest month with 277 hours, while December is the cloudiest with just 101 hours. Overall, Harrison enjoys abundant sunshine.
Harrison 3-Day Forecast
Harrison on the map
Harrison is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.