| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 8.3° | 2.1° | 63.1mm | 13.4 | 36 |
| February | 10° | 2° | 49.1mm | 11.8 | 44 |
| March | 13.5° | 3.5° | 53.4mm | 11.7 | 56 |
| April | 16.6° | 5.6° | 48.8mm | 11.2 | 67 |
| May | 20.1° | 9° | 68.8mm | 12.8 | 74 |
| June | 24.2° | 12.5° | 64.8mm | 10.4 | 79 |
| July | 26.2° | 14° | 44.2mm | 8.9 | 82 |
| August | 26.4° | 13.8° | 40.4mm | 8.3 | 83 |
| September | 22.9° | 10.9° | 47.2mm | 8.6 | 83 |
| October | 18.2° | 9° | 74.3mm | 13.1 | 68 |
| November | 12.2° | 4.8° | 73.8mm | 14.6 | 46 |
| December | 8.9° | 2.5° | 70.5mm | 14.2 | 36 |
January in Poitiers averages a daily high of 8.3°C with nights around 2.1°C. Expect roughly 13.4 wet days totalling 63.1mm. Demanding conditions — pack for it and plan indoor options.
February in Poitiers averages a daily high of 10°C with nights around 2°C. Expect roughly 11.8 wet days totalling 49.1mm. Demanding conditions — pack for it and plan indoor options.
March in Poitiers averages a daily high of 13.5°C with nights around 3.5°C. Expect roughly 11.7 wet days totalling 53.4mm. Generally workable, with some weather to plan around.
April in Poitiers averages a daily high of 16.6°C with nights around 5.6°C. Expect roughly 11.2 wet days totalling 48.8mm. Generally workable, with some weather to plan around.
May in Poitiers averages a daily high of 20.1°C with nights around 9°C. Expect roughly 12.8 wet days totalling 68.8mm. Generally workable, with some weather to plan around.
June in Poitiers averages a daily high of 24.2°C with nights around 12.5°C. Expect roughly 10.4 wet days totalling 64.8mm. Comfortable conditions for being outdoors all day.
July in Poitiers averages a daily high of 26.2°C with nights around 14°C. Expect roughly 8.9 wet days totalling 44.2mm. Comfortable conditions for being outdoors all day.
August in Poitiers averages a daily high of 26.4°C with nights around 13.8°C. Expect roughly 8.3 wet days totalling 40.4mm. Comfortable conditions for being outdoors all day.
September in Poitiers averages a daily high of 22.9°C with nights around 10.9°C. Expect roughly 8.6 wet days totalling 47.2mm. Comfortable conditions for being outdoors all day.
October in Poitiers averages a daily high of 18.2°C with nights around 9°C. Expect roughly 13.1 wet days totalling 74.3mm. Generally workable, with some weather to plan around.
November in Poitiers averages a daily high of 12.2°C with nights around 4.8°C. Expect roughly 14.6 wet days totalling 73.8mm. Demanding conditions — pack for it and plan indoor options.
December in Poitiers averages a daily high of 8.9°C with nights around 2.5°C. Expect roughly 14.2 wet days totalling 70.5mm. 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. Poitiers peaks at 83.
Based on 30 years of records, June–September scores highest for comfort in Poitiers, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 26.4°C.
October is the wettest, averaging 74.3mm of rain across roughly 13.1 wet days.
January is the coolest month, with average daily highs around 8.3°C.