Hot-summer humid continental climate
Climate Fairfield - Ohio
Annual high65ºF
Annual low43ºF
Precipitation43.2 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 38 | 21 | 3.07 |
| Feb | 43 | 24 | 2.71 |
| Mar | 53 | 31 | 3.86 |
| Apr | 66 | 41 | 4.30 |
| May | 75 | 51 | 5.27 |
| Jun | 84 | 61 | 3.99 |
| Jul | 88 | 65 | 3.93 |
| Aug | 87 | 63 | 3.14 |
| Sep | 80 | 55 | 2.82 |
| Oct | 68 | 42 | 3.18 |
| Nov | 55 | 33 | 3.47 |
| Dec | 42 | 25 | 3.46 |
- JanHigh 38ºFLow 21ºFPrecip 3.07 inch
- FebHigh 43ºFLow 24ºFPrecip 2.71 inch
- MarHigh 53ºFLow 31ºFPrecip 3.86 inch
- AprHigh 66ºFLow 41ºFPrecip 4.30 inch
- MayHigh 75ºFLow 51ºFPrecip 5.27 inch
- JunHigh 84ºFLow 61ºFPrecip 3.99 inch
- JulHigh 88ºFLow 65ºFPrecip 3.93 inch
- AugHigh 87ºFLow 63ºFPrecip 3.14 inch
- SepHigh 80ºFLow 55ºFPrecip 2.82 inch
- OctHigh 68ºFLow 42ºFPrecip 3.18 inch
- NovHigh 55ºFLow 33ºFPrecip 3.47 inch
- DecHigh 42ºFLow 25ºFPrecip 3.46 inch
Climate summary
What is the average weather in Fairfield, Ohio?
Fairfield experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are hot, while winters are cold. Precipitation is fairly wet overall, with moisture spread relatively evenly throughout the year, though spring tends to be the wettest season.
Fairfield weather averages
Annual high65ºF
Annual low43ºF
Precipitation43.2 inch
Daily normals Fairfield - Ohio - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 39.0 | 22.9 | 0.12 | 0.12 |
| Jan 2 | 38.8 | 22.7 | 0.24 | 0.24 |
| Jan 3 | 38.7 | 22.5 | 0.36 | 0.36 |
| Jan 4 | 38.6 | 22.3 | 0.48 | 0.48 |
| Jan 5 | 38.5 | 22.1 | 0.60 | 0.60 |
| Jan 6 | 38.4 | 21.9 | 0.71 | 0.71 |
| Jan 7 | 38.3 | 21.7 | 0.82 | 0.82 |
| Jan 8 | 38.2 | 21.6 | 0.93 | 0.93 |
| Jan 9 | 38.1 | 21.4 | 1.04 | 1.04 |
| Jan 10 | 38.0 | 21.2 | 1.16 | 1.16 |
| Jan 11 | 38.0 | 21.1 | 1.27 | 1.27 |
| Jan 12 | 37.9 | 20.9 | 1.39 | 1.39 |
| Jan 13 | 37.9 | 20.8 | 1.50 | 1.50 |
| Jan 14 | 37.8 | 20.6 | 1.62 | 1.62 |
| Jan 15 | 37.8 | 20.5 | 1.74 | 1.74 |
| Jan 16 | 37.8 | 20.4 | 1.86 | 1.86 |
| Jan 17 | 37.8 | 20.3 | 1.97 | 1.97 |
| Jan 18 | 37.8 | 20.2 | 2.08 | 2.08 |
| Jan 19 | 37.8 | 20.1 | 2.19 | 2.19 |
| Jan 20 | 37.8 | 20.0 | 2.29 | 2.29 |
| Jan 21 | 37.9 | 20.0 | 2.38 | 2.38 |
| Jan 22 | 37.9 | 19.9 | 2.48 | 2.48 |
| Jan 23 | 38.0 | 19.9 | 2.58 | 2.58 |
| Jan 24 | 38.1 | 19.9 | 2.69 | 2.69 |
| Jan 25 | 38.2 | 19.9 | 2.79 | 2.79 |
| Jan 26 | 38.2 | 19.9 | 2.89 | 2.89 |
| Jan 27 | 38.4 | 19.9 | 2.99 | 2.99 |
| Jan 28 | 38.5 | 20.0 | 3.09 | 3.09 |
| Jan 29 | 38.6 | 20.0 | 3.18 | 3.18 |
| Jan 30 | 38.7 | 20.1 | 3.28 | 3.28 |
| Jan 31 | 38.9 | 20.2 | 3.38 | 3.38 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Fairfield - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 95.0 | 64.0 | 0.00 |
| Sep 2 | 98.1 | 64.9 | 0.00 |
| Sep 3 | 98.1 | 73.0 | 0.00 |
| Sep 4 | 99.0 | 69.1 | 0.00 |
| Sep 5 | 100.0 | 69.1 | 0.44 |
| Sep 6 | 91.9 | 37.0 | 0.23 |
| Sep 7 | 84.0 | 57.0 | 0.00 |
| Sep 8 | 86.0 | 61.0 | 0.00 |
| Sep 9 | 91.0 | 63.0 | 0.00 |
| Sep 10 | 93.9 | 73.0 | 0.45 |
| Sep 11 | 84.9 | 53.1 | 0.63 |
| Sep 12 | 82.9 | 64.9 | 0.60 |
| Sep 13 | 82.0 | 64.9 | 0.54 |
| Sep 14 | 90.0 | 57.0 | 0.00 |
| Sep 15 | 79.0 | 46.9 | 0.00 |
| Sep 16 | 93.9 | 46.9 | 0.80 |
| Sep 17 | 93.0 | 71.1 | 0.00 |
| Sep 18 | 93.9 | 57.9 | 0.40 |
| Sep 19 | 82.0 | 72.0 | 0.00 |
| Sep 20 | 91.0 | 71.1 | 0.53 |
| Sep 21 | 91.0 | 63.0 | 0.91 |
| Sep 22 | 68.0 | 60.1 | 0.25 |
| Sep 23 | 66.9 | 60.1 | 0.05 |
| Sep 24 | 64.9 | 61.0 | 0.02 |
| Sep 25 | 66.0 | 46.9 | 0.00 |
| Sep 26 | 75.0 | 46.0 | 0.00 |
| Sep 27 | 77.0 | 39.0 | 0.00 |
| Sep 28 | 75.9 | 46.0 | 0.00 |
| Sep 29 | 79.0 | 48.9 | 0.00 |
| Sep 30 | 81.0 | 48.9 | 0.00 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature100.0ºF · Sep 5
- Lowest max temperature64.9ºF · Sep 24
- Highest min temperature73.0ºF · Sep 3
- Lowest min temperature37.0ºF · Sep 6
Geo Fairfield - Ohio
Location
- Country
- United States
- State
- Ohio
- County
- Butler
- City
- Fairfield
- Zip Code
- 45014
- Elevation
- 663 ft
- Longitude
- -84.56
- Latitude
- 39.33
- ICAO
- –
- IATA
- –