Weather in Frankfurt in August 2025
- August is usually the hottest month of the year in Frankfurt;
Average weather
Average temperature in Frankfurt in August
The expected average maximum temperature in August is +25°C with a maximum of +32°C and a minimum of +12°C.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +22°C to +21°C.
Is Frankfurt warm or cold in August?
Frankfurt is typically warm in August.
Maximum temperatures go up compared to the previous month from +25°C to +25°C. The minimum temperature also goes up from +15°C to +15°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Frankfurt, here is the comparison with other months:
Climate in Frankfurt in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +25°C | +21°C | ||||
| Min. temperature | ||||||
| +4°C | +5°C | +2°C | ||||
| Max. temperature | ||||||
| +40°C | +39°C | +35°C | ||||
| Rainfall | ||||||
| 64 mm | 61 mm | 55 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 65% | 67% | 74% | ||||
| Air pressure | ||||||
| 1015 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 7 | 8 | 8 | ||||
| Cloudy days | ||||||
| 5 | 6 | 8 | ||||
| Rainy days | ||||||
| 14 | 13 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +25°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 64 mm to 61 mm. Humidity rises from 65% to 67%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 7 to 8.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Frankfurt is gradually decreasing during August, going from 5 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Frankfurt?
Climate Change over Years
The climate in Frankfurt in August has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+13°C) and the highest in 2022 (+18°C). The driest year was 2003 with only 429 mm of rainfall, and the wettest year was 2020 with 2306 mm.
FAQ
Is August a good time to visit Frankfurt?
Can you sunbathe in Frankfurt in August?
Is Frankfurt rainy in August?
Is it sunny in Frankfurt in August?
Other cities in Germany
Monthly weather in Frankfurt
Source of the data
For this page, we’ve looked at the typical weather in Frankfurt, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.