| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 5° | 0.5° | 55.1mm | 13.6 | 23 |
| February | 7.3° | 1.3° | 48.4mm | 11.9 | 35 |
| March | 11.6° | 3.4° | 41.2mm | 11.6 | 50 |
| April | 16.7° | 6.5° | 38.3mm | 10.1 | 69 |
| May | 20.8° | 10.6° | 65.3mm | 12.1 | 76 |
| June | 24.6° | 14° | 60.7mm | 10.9 | 78 |
| July | 26.2° | 15.8° | 68mm | 12.4 | 75 |
| August | 26° | 15.6° | 62.2mm | 11.1 | 78 |
| September | 21.2° | 11.8° | 52mm | 10.4 | 79 |
| October | 15.4° | 8.1° | 54.5mm | 12.2 | 61 |
| November | 9.1° | 4.2° | 53.6mm | 13.1 | 39 |
| December | 5.7° | 1.5° | 59.1mm | 14.7 | 24 |
January in Frankfurt am Main averages a daily high of 5°C with nights around 0.5°C. Expect roughly 13.6 wet days totalling 55.1mm. A hard month to visit for comfort alone.
February in Frankfurt am Main averages a daily high of 7.3°C with nights around 1.3°C. Expect roughly 11.9 wet days totalling 48.4mm. Demanding conditions — pack for it and plan indoor options.
March in Frankfurt am Main averages a daily high of 11.6°C with nights around 3.4°C. Expect roughly 11.6 wet days totalling 41.2mm. Demanding conditions — pack for it and plan indoor options.
April in Frankfurt am Main averages a daily high of 16.7°C with nights around 6.5°C. Expect roughly 10.1 wet days totalling 38.3mm. Generally workable, with some weather to plan around.
May in Frankfurt am Main averages a daily high of 20.8°C with nights around 10.6°C. Expect roughly 12.1 wet days totalling 65.3mm. Comfortable conditions for being outdoors all day.
June in Frankfurt am Main averages a daily high of 24.6°C with nights around 14°C. Expect roughly 10.9 wet days totalling 60.7mm. Comfortable conditions for being outdoors all day.
July in Frankfurt am Main averages a daily high of 26.2°C with nights around 15.8°C. Expect roughly 12.4 wet days totalling 68mm. Comfortable conditions for being outdoors all day.
August in Frankfurt am Main averages a daily high of 26°C with nights around 15.6°C. Expect roughly 11.1 wet days totalling 62.2mm. Comfortable conditions for being outdoors all day.
September in Frankfurt am Main averages a daily high of 21.2°C with nights around 11.8°C. Expect roughly 10.4 wet days totalling 52mm. Comfortable conditions for being outdoors all day.
October in Frankfurt am Main averages a daily high of 15.4°C with nights around 8.1°C. Expect roughly 12.2 wet days totalling 54.5mm. Generally workable, with some weather to plan around.
November in Frankfurt am Main averages a daily high of 9.1°C with nights around 4.2°C. Expect roughly 13.1 wet days totalling 53.6mm. Demanding conditions — pack for it and plan indoor options.
December in Frankfurt am Main averages a daily high of 5.7°C with nights around 1.5°C. Expect roughly 14.7 wet days totalling 59.1mm. A hard month to visit for comfort alone.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Frankfurt am Main peaks at 79.
Based on 30 years of records, May–September scores highest for comfort in Frankfurt am Main, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 26.2°C.
July is the wettest, averaging 68mm of rain across roughly 12.4 wet days.
January is the coolest month, with average daily highs around 5°C.