| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 3.7° | -1.5° | 64.6mm | 13.5 | 16 |
| February | 5.6° | -1.2° | 44.3mm | 10.7 | 28 |
| March | 10.6° | 1.6° | 51.3mm | 12 | 45 |
| April | 15.6° | 5° | 64mm | 11.1 | 64 |
| May | 19.4° | 9.1° | 107.3mm | 14.8 | 68 |
| June | 23.8° | 13.3° | 110.5mm | 13.5 | 73 |
| July | 25.3° | 14.6° | 117.5mm | 14 | 72 |
| August | 24.5° | 14.3° | 119.6mm | 13.5 | 73 |
| September | 20.3° | 10.8° | 75.7mm | 10.9 | 78 |
| October | 14.7° | 6.9° | 67.3mm | 11.5 | 60 |
| November | 8.3° | 2.5° | 56.5mm | 11.4 | 40 |
| December | 4.4° | -0.4° | 70.7mm | 14.7 | 17 |
January in Friedrichshafen averages a daily high of 3.7°C with nights around -1.5°C. Expect roughly 13.5 wet days totalling 64.6mm. A hard month to visit for comfort alone.
February in Friedrichshafen averages a daily high of 5.6°C with nights around -1.2°C. Expect roughly 10.7 wet days totalling 44.3mm. A hard month to visit for comfort alone.
March in Friedrichshafen averages a daily high of 10.6°C with nights around 1.6°C. Expect roughly 12 wet days totalling 51.3mm. Demanding conditions — pack for it and plan indoor options.
April in Friedrichshafen averages a daily high of 15.6°C with nights around 5°C. Expect roughly 11.1 wet days totalling 64mm. Generally workable, with some weather to plan around.
May in Friedrichshafen averages a daily high of 19.4°C with nights around 9.1°C. Expect roughly 14.8 wet days totalling 107.3mm. Generally workable, with some weather to plan around.
June in Friedrichshafen averages a daily high of 23.8°C with nights around 13.3°C. Expect roughly 13.5 wet days totalling 110.5mm. Generally workable, with some weather to plan around.
July in Friedrichshafen averages a daily high of 25.3°C with nights around 14.6°C. Expect roughly 14 wet days totalling 117.5mm. Generally workable, with some weather to plan around.
August in Friedrichshafen averages a daily high of 24.5°C with nights around 14.3°C. Expect roughly 13.5 wet days totalling 119.6mm. Generally workable, with some weather to plan around.
September in Friedrichshafen averages a daily high of 20.3°C with nights around 10.8°C. Expect roughly 10.9 wet days totalling 75.7mm. Comfortable conditions for being outdoors all day.
October in Friedrichshafen averages a daily high of 14.7°C with nights around 6.9°C. Expect roughly 11.5 wet days totalling 67.3mm. Generally workable, with some weather to plan around.
November in Friedrichshafen averages a daily high of 8.3°C with nights around 2.5°C. Expect roughly 11.4 wet days totalling 56.5mm. Demanding conditions — pack for it and plan indoor options.
December in Friedrichshafen averages a daily high of 4.4°C with nights around -0.4°C. Expect roughly 14.7 wet days totalling 70.7mm. 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. Friedrichshafen peaks at 78.
Based on 30 years of records, June–September scores highest for comfort in Friedrichshafen, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 25.3°C.
August is the wettest, averaging 119.6mm of rain across roughly 13.5 wet days.
January is the coolest month, with average daily highs around 3.7°C.