Frankfurt, Germany skyline

Frankfurt Weather in August

What August is usually like in Frankfurt, Germany — from 2006–2025 averages.

Expect Frankfurt to reach about 24.8°C (76.6°F) by day and 15.2°C (59.4°F) at night in August, with 10 rainy days bringing 66 mm and around 10.9 hours of sunshine each day.

Avg high

24.8°C (76.6°F)

Avg low

15.2°C (59.4°F)

Rainfall

66 mm (2.6 in)

Rainy days

10 days

Sunshine

10.9 h / day

Humidity

67%

August vs the rest of the year

August is warmer than 10 of the other 11 months, and the 3rd wettest month in Frankfurt.

MonthAvg highvs AugustRainRainy days
January4.9°C (40.8°F)−19.9°C (−35.8°F)64 mm12
February6.7°C (44.1°F)−18.1°C (−32.6°F)48 mm10
March10.8°C (51.4°F)−14°C (−25.2°F)50 mm11
April15.6°C (60.1°F)−9.2°C (−16.6°F)45 mm10
May19.4°C (66.9°F)−5.4°C (−9.7°F)73 mm11
June23.6°C (74.5°F)−1.2°C (−2.2°F)63 mm11
July25.4°C (77.7°F)+0.6°C (+1.1°F)62 mm11
August24.8°C (76.6°F)—66 mm10
September20.7°C (69.3°F)−4.1°C (−7.4°F)53 mm9
October15.1°C (59.2°F)−9.7°C (−17.5°F)57 mm10
November9.2°C (48.6°F)−15.6°C (−28.1°F)57 mm12
December5.7°C (42.3°F)−19.1°C (−34.4°F)69 mm14

What August feels like in Frankfurt

In Frankfurt, August brings late summer. Afternoons are warm and pleasant, good for long days out. Once the sun goes down the air changes: nights stay mild. Some humidity hangs in the air, noticeable when the sun is strong.

Rain in Frankfurt in August

Expect a mix of dry and wet days, with rain about one day in 3. A rainy day brings about 6.6 mm (0.3 in) on average — steady rain rather than a passing shower. The yearly figure is similar, around 5.4 mm per wet day. It is among the three wettest months of the year.

Daylight and sunshine in August

Mid-month, Frankfurt gets 14 h 33 min of daylight, from sunrise near 6:13 am to sunset near 8:47 pm. Evenings are drawing in — 1 h 26 min less daylight than mid-July. About 75% of daylight hours are sunny; in short, there are plenty of bright spells.

How August compares to the rest of the year

August is the 2nd warmest month of the year in Frankfurt. Against July, the average high is 0.6°C (1.1°F) lower, with 4 mm more rain. The cooling trend carries on into September. By September, typical highs are 20.7°C (69.3°F).

Who August suits

  • Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
  • Parks & outdoor: a good fit — good conditions for sitting outside.

Tips for visiting Frankfurt in August

Versatile Layers

Mornings and evenings are cooler than midday, so dress in layers.

Rain Protection

A packable rain jacket saves the day on showery afternoons.

Sunglasses

Frequent sunshine — sunglasses and a light hat.

Quick questions

How warm is Frankfurt in August?

It feels warm: typical highs are 24.8°C (76.6°F), with lows near 15.2°C (59.4°F).

Does it rain a lot in Frankfurt in August?

Yes, fairly — rain falls about one day in 3 and totals about 66 mm, so an umbrella is worth carrying.

What should I wear in Frankfurt in August?

Pack versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.

Is August or September better for visiting Frankfurt?

September, narrowly: it ranks #1 of 12 among Frankfurt's months, against #2 for the other. September is cooler and has fewer rainy days.

Is August a good time to visit Frankfurt?

Great

Great — comfortable temperatures, some rainy days (about 10), plenty of sunshine (10.9 h a day). Within Frankfurt's own year, August ranks #2 of 12 — one of the 3 best months to visit.

August in other Germany cities

Warmer or drier places in August

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Frankfurt weather by month.