| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 6.5° | — | 7.1mm | 2 | 53 |
| February | 8.9° | — | 14mm | 1 | 62 |
| March | 13.5° | — | 80.2mm | 8 | 63 |
| April | 19.2° | — | 60mm | 4 | 89 |
| May | 23.8° | — | 97.9mm | 5 | 90 |
| June | 25.9° | — | 178.9mm | 7 | 86 |
| July | 29° | — | 422.6mm | 18.8 | 62 |
| August | 29.8° | — | 265.9mm | 15.5 | 59 |
| September | 25.5° | — | 222.9mm | 9 | 82 |
| October | 21.6° | — | — | — | 94 |
| November | 15.4° | — | — | — | 79 |
| December | 8.6° | — | — | — | 58 |
January in Eisen averages a daily high of 6.5°C. Rain is rare — about 2 wet days and 7.1mm across the month. Demanding conditions — pack for it and plan indoor options.
February in Eisen averages a daily high of 8.9°C. Rain is rare — about 1 wet days and 14mm across the month. Generally workable, with some weather to plan around.
March in Eisen averages a daily high of 13.5°C. Expect roughly 8 wet days totalling 80.2mm. Generally workable, with some weather to plan around.
April in Eisen averages a daily high of 19.2°C. Expect roughly 4 wet days totalling 60mm. Comfortable conditions for being outdoors all day.
May in Eisen averages a daily high of 23.8°C. Expect roughly 5 wet days totalling 97.9mm. Comfortable conditions for being outdoors all day.
June in Eisen averages a daily high of 25.9°C. Expect roughly 7 wet days totalling 178.9mm. Comfortable conditions for being outdoors all day.
July in Eisen averages a daily high of 29°C. Expect roughly 18.8 wet days totalling 422.6mm. Generally workable, with some weather to plan around.
August in Eisen averages a daily high of 29.8°C. Expect roughly 15.5 wet days totalling 265.9mm. Generally workable, with some weather to plan around.
September in Eisen averages a daily high of 25.5°C. Expect roughly 9 wet days totalling 222.9mm. Comfortable conditions for being outdoors all day.
October in Eisen averages a daily high of 21.6°C. Comfortable conditions for being outdoors all day.
November in Eisen averages a daily high of 15.4°C. Comfortable conditions for being outdoors all day.
December in Eisen averages a daily high of 8.6°C. Generally workable, with some weather to plan around.
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. Eisen peaks at 94.
Based on 30 years of records, April–June scores highest for comfort in Eisen, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 29.8°C.
July is the wettest, averaging 422.6mm of rain across roughly 18.8 wet days.
January is the coolest month, with average daily highs around 6.5°C.