| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 9.8° | 4.5° | 146.9mm | 20.6 | 37 |
| February | 10.3° | 4.6° | 120.1mm | 17.8 | 39 |
| March | 12.1° | 5.3° | 87.9mm | 16.3 | 45 |
| April | 14.2° | 6.2° | 86.1mm | 14.1 | 53 |
| May | 16.9° | 8.9° | 75.6mm | 13.7 | 63 |
| June | 19.4° | 11.5° | 64.7mm | 12.2 | 74 |
| July | 21° | 13.1° | 72.1mm | 13.8 | 72 |
| August | 21.1° | 13.3° | 75.9mm | 14.8 | 70 |
| September | 19.7° | 11.6° | 75mm | 13.9 | 71 |
| October | 16.5° | 9.9° | 130.6mm | 18.9 | 59 |
| November | 12.7° | 7° | 154mm | 20.7 | 47 |
| December | 10.4° | 5.1° | 156.8mm | 21 | 39 |
January in Quimper averages a daily high of 9.8°C with nights around 4.5°C. Expect roughly 20.6 wet days totalling 146.9mm. Demanding conditions — pack for it and plan indoor options.
February in Quimper averages a daily high of 10.3°C with nights around 4.6°C. Expect roughly 17.8 wet days totalling 120.1mm. Demanding conditions — pack for it and plan indoor options.
March in Quimper averages a daily high of 12.1°C with nights around 5.3°C. Expect roughly 16.3 wet days totalling 87.9mm. Demanding conditions — pack for it and plan indoor options.
April in Quimper averages a daily high of 14.2°C with nights around 6.2°C. Expect roughly 14.1 wet days totalling 86.1mm. Demanding conditions — pack for it and plan indoor options.
May in Quimper averages a daily high of 16.9°C with nights around 8.9°C. Expect roughly 13.7 wet days totalling 75.6mm. Generally workable, with some weather to plan around.
June in Quimper averages a daily high of 19.4°C with nights around 11.5°C. Expect roughly 12.2 wet days totalling 64.7mm. Generally workable, with some weather to plan around.
July in Quimper averages a daily high of 21°C with nights around 13.1°C. Expect roughly 13.8 wet days totalling 72.1mm. Generally workable, with some weather to plan around.
August in Quimper averages a daily high of 21.1°C with nights around 13.3°C. Expect roughly 14.8 wet days totalling 75.9mm. Generally workable, with some weather to plan around.
September in Quimper averages a daily high of 19.7°C with nights around 11.6°C. Expect roughly 13.9 wet days totalling 75mm. Generally workable, with some weather to plan around.
October in Quimper averages a daily high of 16.5°C with nights around 9.9°C. Expect roughly 18.9 wet days totalling 130.6mm. Generally workable, with some weather to plan around.
November in Quimper averages a daily high of 12.7°C with nights around 7°C. Expect roughly 20.7 wet days totalling 154mm. Demanding conditions — pack for it and plan indoor options.
December in Quimper averages a daily high of 10.4°C with nights around 5.1°C. Expect roughly 21 wet days totalling 156.8mm. Demanding conditions — pack for it and plan indoor options.
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. Quimper peaks at 74.
Based on 30 years of records, June–September scores highest for comfort in Quimper, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 21.1°C.
December is the wettest, averaging 156.8mm of rain across roughly 21 wet days.
January is the coolest month, with average daily highs around 9.8°C.