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Frankfurt weather by month and the best time to visit

Updated October 2026Sources
May–SepBest time to visit

When to go to Frankfurt

May–Sep is warm and green with riverside life; Dec has Christmas markets. Summer heat and winter fog are possible; August is quiet.

Frankfurt weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°5°15°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January4°C38°F-2°C28°F57 mm93%Cold
February5°C42°F-2°C29°F45 mm89%Cold
March10°C50°F1°C33°F47 mm83%Cold
April16°C61°F5°C40°F41 mm76%Cool
May20°C68°F9°C48°F71 mm73%Pleasant
June25°C77°F13°C56°F58 mm67%Pleasant
July27°C81°F15°C60°F66 mm61%Pleasant
August27°C80°F15°C58°F64 mm63%Pleasant
September22°C71°F10°C50°F46 mm69%Pleasant
October16°C60°F6°C43°F54 mm82%Cool
November9°C48°F2°C36°F56 mm91%Cold
December4°C40°F-1°C30°F64 mm93%Cold

Best months across Germany

PlaceBest monthsWarmest month
BerlinMay–SepJul (26°C)
MunichMay–SepJul (24°C)
HamburgMay–SepJul (23°C)
FrankfurtMay–SepJul (27°C)
CologneMay–SepJul (25°C)
DresdenMay–SepJul (26°C)
HeidelbergApr–Jun, Sep–OctJul (27°C)
DüsseldorfMay–SepJul (25°C)
LeipzigMay–SepJul (26°C)
StuttgartApr–Jun, Sep–OctJul (26°C)
NurembergMay–SepJul (26°C)
Black ForestMay–Jun, Sep–OctJul (25°C)
FreiburgMay–OctJul (25°C)
Rothenburg ob der TauberApr–Jun, Sep–OctJul (25°C)
Garmisch-PartenkirchenJun–Sep, Dec–FebJul (24°C)
BremenMay–SepJul (23°C)

Quick answers

What is the best month to visit Frankfurt?

May–Sep. May–Sep is warm and green with riverside life; Dec has Christmas markets. Summer heat and winter fog are possible; August is quiet.

When is the rainy season in Frankfurt?

Rain peaks in May with about 71 mm. No month averages 150 mm or more.

What is the hottest month in Frankfurt?

July, with average highs of 27°C (81°F).

How cold does Frankfurt get?

The coolest nights are in January, averaging -2°C (28°F).

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.