Fairfield (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Fairfield.
Climate overview of Fairfield
The climate in Fairfield, Ohio, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 4°C (39°F) in January.
The city has a wet climate, receiving around 1127 mm (44 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. April is the wettest month. The sunniest month is June, with 9.2 hours of sunshine per day on average.
Fairfield Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fairfield - and find the best time to visit.
Monthly Temperature in Fairfield
In Fairfield, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°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 Fairfield
Fairfield experiences significant rain/snowfall throughout the year, averaging 1127 mm (44 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, April, sees around 126 mm (5 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, August, still receives a respectable 68 mm (2.7 in) of rainfall. For more details, please visit our Fairfield 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 Fairfield
In Fairfield, 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
Daily percentage of sunshine
Humidity in Fairfield by Month
The relative humidity is high throughout the year in Fairfield.
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 Fairfield
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September and October
- Warmest weather: July and August
- Most sunshine: June
- Fewest rainy days: 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 Fairfield
What is the best time to visit Fairfield?
September and October typically offer the most optimal weather in Fairfield. In contrast, January, February, March and December tend to have less optimal conditions. Fairfield has very warm summers and cold winters.
What temperatures can I expect in Fairfield?
Daytime highs range from 4°C (39°F) in January to 31°C (88°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 Fairfield get?
Annual rainfall is around 1127 mm (44 in). April is the wettest month with 126 mm (5 in), while August is the driest with 68 mm (2.7 in).
How sunny is Fairfield?
Fairfield 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, Fairfield enjoys abundant sunshine.
Fairfield 3-Day Forecast
Fairfield on the map
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