Frankfort (IN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Frankfort.
Climate overview of Frankfort
The climate in Frankfort, Indiana, United States of America, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in July to 1°C (34°F) in January.
The city has a wet climate, receiving around 1132 mm (45 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 9.9 hours of sunshine per day.
Frankfort Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Frankfort - and find the best time to visit.
Monthly Temperature in Frankfort
In Frankfort, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold 1°C (34°F) in January.
Nighttime temperatures range from 17°C (63°F) in July to -8°C (18°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Frankfort
Frankfort experiences significant rain/snowfall throughout the year, averaging 1132 mm (45 in) of precipitation annually. The seasons in Frankfort bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 153 mm (6 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 67 mm (2.6 in) over 11 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Frankfort 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 Frankfort
In Frankfort, summer days are longer and more sunny, with daily sunshine hours peaking at 9.9 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 Frankfort by Month
The relative humidity is high throughout the year in Frankfort.
The city experiences its highest humidity in December, reaching 78%. In April, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Frankfort
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August and September
- Warmest weather: June, July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Frankfort
What is the best time to visit Frankfort?
August and September typically offer the most optimal weather in Frankfort. In contrast, January, February, March and December tend to have less optimal conditions. Frankfort has warm summers and very cold winters.
What temperatures can I expect in Frankfort?
Daytime highs range from 1°C (34°F) in January to 28°C (82°F) in July. Nighttime lows range from -8°C (18°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Frankfort get?
Annual rainfall is around 1132 mm (45 in). June is the wettest month with 153 mm (6 in), while January is the driest with 67 mm (2.6 in).
How sunny is Frankfort?
Frankfort receives around 2,470 hours of sunshine per year. July is the sunniest month with 297 hours, while December is the cloudiest with just 105 hours. Overall, Frankfort enjoys abundant sunshine.
Frankfort 3-Day Forecast
Frankfort (IN) 3-Day Forecast
Frankfort on the map
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