| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 2.7° | -2.5° | 25.8mm | 12 | 14 |
| February | 4.7° | -1.7° | 26mm | 10.4 | 25 |
| March | 8.5° | 0.2° | 34.8mm | 11.7 | 37 |
| April | 13.7° | 3.4° | 33.3mm | 10.2 | 59 |
| May | 17.8° | 7.5° | 65.6mm | 11.8 | 69 |
| June | 21.6° | 10.9° | 53mm | 11.1 | 78 |
| July | 23.7° | 12.8° | 77.3mm | 12.7 | 75 |
| August | 23.7° | 12.7° | 62.7mm | 11.4 | 77 |
| September | 19.1° | 9.2° | 47.3mm | 10.5 | 76 |
| October | 13.7° | 5.8° | 38.9mm | 11.4 | 57 |
| November | 7.4° | 1.8° | 40.4mm | 11.2 | 37 |
| December | 3.7° | -1.3° | 30.5mm | 11.9 | 19 |
January in Erfurt averages a daily high of 2.7°C with nights around -2.5°C. Expect roughly 12 wet days totalling 25.8mm. A hard month to visit for comfort alone.
February in Erfurt averages a daily high of 4.7°C with nights around -1.7°C. Expect roughly 10.4 wet days totalling 26mm. A hard month to visit for comfort alone.
March in Erfurt averages a daily high of 8.5°C with nights around 0.2°C. Expect roughly 11.7 wet days totalling 34.8mm. Demanding conditions — pack for it and plan indoor options.
April in Erfurt averages a daily high of 13.7°C with nights around 3.4°C. Expect roughly 10.2 wet days totalling 33.3mm. Generally workable, with some weather to plan around.
May in Erfurt averages a daily high of 17.8°C with nights around 7.5°C. Expect roughly 11.8 wet days totalling 65.6mm. Generally workable, with some weather to plan around.
June in Erfurt averages a daily high of 21.6°C with nights around 10.9°C. Expect roughly 11.1 wet days totalling 53mm. Comfortable conditions for being outdoors all day.
July in Erfurt averages a daily high of 23.7°C with nights around 12.8°C. Expect roughly 12.7 wet days totalling 77.3mm. Comfortable conditions for being outdoors all day.
August in Erfurt averages a daily high of 23.7°C with nights around 12.7°C. Expect roughly 11.4 wet days totalling 62.7mm. Comfortable conditions for being outdoors all day.
September in Erfurt averages a daily high of 19.1°C with nights around 9.2°C. Expect roughly 10.5 wet days totalling 47.3mm. Comfortable conditions for being outdoors all day.
October in Erfurt averages a daily high of 13.7°C with nights around 5.8°C. Expect roughly 11.4 wet days totalling 38.9mm. Generally workable, with some weather to plan around.
November in Erfurt averages a daily high of 7.4°C with nights around 1.8°C. Expect roughly 11.2 wet days totalling 40.4mm. Demanding conditions — pack for it and plan indoor options.
December in Erfurt averages a daily high of 3.7°C with nights around -1.3°C. Expect roughly 11.9 wet days totalling 30.5mm. 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. Erfurt peaks at 78.
Based on 30 years of records, June–September scores highest for comfort in Erfurt, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 23.7°C.
July is the wettest, averaging 77.3mm of rain across roughly 12.7 wet days.
January is the coolest month, with average daily highs around 2.7°C.