Frankfurt am Main climate

Frankfurt am Main is warmest in July, with average highs of 24 °C, and coldest in January, when nights average -0.7 °C. December is the wettest month (69 mm) and April the driest (45 mm). Figures are 1991–2020 climate normals.

Across a full year Frankfurt am Main averages 675 mm of rain, 42 days above 25 °C and 66 days below freezing.

Germany · population 650,000 · 1991–2020 normals

  1. Jan
  2. Feb
  3. Mar
  4. Apr 10°
  5. May 14°
  6. Jun 18°
  7. Jul 20°
  8. Aug 20°
  9. Sep 15°
  10. Oct 11°
  11. Nov
  12. Dec

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

  • Warmest month July 24 °C
  • Coldest month January -0.7 °C
  • Driest month April 45 mm
  • Wettest month December 69 mm
  • Least cloud August 56 % cloud
  • Hottest on record June 39 °C
  • Coldest on record January -20 °C

What to expectFrankfurt am Main through the year

Frankfurt am Main has a clear annual cycle: average daily highs run from 4.5 °C in January to 24 °C in July, a swing of 18 °C in mean temperature across the year.

Counted across a normal year, 42 days a year reach 25 °C, 9 of them reach 30 °C, 66 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in June.

Rain is spread fairly evenly through the year, from 45 mm in April to 69 mm in December. There is no dry season to aim for.

Month by month

Month Avg high Rainfall Cloud
January 4.5 °C 56 mm 74 %
February 6.0 °C 49 mm 70 %
March 10.2 °C 53 mm 66 %
April 14.9 °C 45 mm 59 %
May 18.8 °C 64 mm 62 %
June 22.3 °C 55 mm 60 %
July 24.5 °C 61 mm 57 %
August 24.4 °C 56 mm 56 %
September 19.9 °C 52 mm 60 %
October 14.3 °C 55 mm 69 %
November 8.5 °C 58 mm 77 %
December 5.0 °C 69 mm 77 %

Temperature month by month

Month Avg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January 4.5 °C-0.7 °C1.8 °C14.7 °C-19.9 °C0017
February 6.0 °C-0.6 °C2.6 °C16.8 °C-15.9 °C0016
March 10.2 °C1.8 °C6.0 °C21.3 °C-12.0 °C0010
April 14.9 °C4.9 °C10.1 °C27.6 °C-4.1 °C002
May 18.8 °C9.3 °C14.4 °C31.5 °C0.7 °C300
June 22.3 °C12.8 °C17.8 °C39.4 °C4.9 °C810
July 24.5 °C15.0 °C19.9 °C38.9 °C7.9 °C1430
August 24.4 °C14.8 °C19.7 °C37.8 °C7.5 °C1340
September 19.9 °C11.1 °C15.5 °C31.2 °C2.3 °C300
October 14.3 °C7.2 °C10.6 °C26.5 °C-3.6 °C001
November 8.5 °C3.2 °C5.8 °C20.9 °C-7.3 °C006
December 5.0 °C0.3 °C2.6 °C14.1 °C-15.1 °C0015

Rain, sun and wind month by month

Month RainfallWet daysDaylightCloud coverHumidityWind
January 56 mm128.5 h/day74 %83 %17 km/h
February 49 mm1010 h/day70 %79 %17 km/h
March 53 mm1112 h/day66 %75 %17 km/h
April 45 mm914 h/day59 %70 %16 km/h
May 64 mm1015 h/day62 %69 %15 km/h
June 55 mm1016 h/day60 %68 %15 km/h
July 61 mm1116 h/day57 %66 %15 km/h
August 56 mm915 h/day56 %67 %14 km/h
September 52 mm913 h/day60 %73 %14 km/h
October 55 mm1111 h/day69 %81 %15 km/h
November 58 mm119.0 h/day77 %86 %15 km/h
December 69 mm148.1 h/day77 %86 %17 km/h

How Frankfurt am Main compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Frankfurt am Main 24 °C -0.7 °C 675 mm 42
Darmstadt · Germany 24 °C -0.5 °C 801 mm 40
Wiesbaden · Germany 24 °C -0.01 °C 668 mm 41
Mannheim · Germany 25 °C -0.7 °C 717 mm 46

Where Frankfurt am Main ranks

Planning a trip? See the best time to visit Frankfurt am Main.

QuestionsCommon questions about Frankfurt am Main’s climate

When is the best time to visit Frankfurt am Main?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and April the driest. The month-by-month table above has the full picture.

How hot does Frankfurt am Main get?

In July, the warmest month, daily highs average 24 °C. About 9 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average -0.7 °C in January, the coldest month. A normal year has 66 nights below freezing.

Which month is wettest in Frankfurt am Main?

December, averaging 69 mm over 14 days with rain. The driest month is April with 45 mm. The year as a whole averages 675 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Frankfurt am Main rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Data point
50.116°, 8.684° (the coordinates the reanalysis values are taken for)
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.