| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 7.2° | 2° | 48.6mm | 14 | 31 |
| February | 9.1° | 2.4° | 43.3mm | 12.4 | 40 |
| March | 12.7° | 4.2° | 45mm | 11.7 | 53 |
| April | 16.3° | 6.4° | 43mm | 10.2 | 68 |
| May | 19.9° | 10° | 62.3mm | 12 | 76 |
| June | 23.7° | 13.3° | 58.5mm | 10.5 | 79 |
| July | 25.9° | 15° | 54.5mm | 9.1 | 82 |
| August | 25.8° | 14.8° | 60.1mm | 9.9 | 80 |
| September | 21.9° | 11.8° | 45.7mm | 9.8 | 80 |
| October | 17.1° | 9.1° | 56.4mm | 12.9 | 65 |
| November | 11.1° | 5.1° | 52.3mm | 13.7 | 44 |
| December | 7.8° | 2.7° | 61.2mm | 14.5 | 32 |
January in Saint-Maur-des-Fossés averages a daily high of 7.2°C with nights around 2°C. Expect roughly 14 wet days totalling 48.6mm. A hard month to visit for comfort alone.
February in Saint-Maur-des-Fossés averages a daily high of 9.1°C with nights around 2.4°C. Expect roughly 12.4 wet days totalling 43.3mm. Demanding conditions — pack for it and plan indoor options.
March in Saint-Maur-des-Fossés averages a daily high of 12.7°C with nights around 4.2°C. Expect roughly 11.7 wet days totalling 45mm. Demanding conditions — pack for it and plan indoor options.
April in Saint-Maur-des-Fossés averages a daily high of 16.3°C with nights around 6.4°C. Expect roughly 10.2 wet days totalling 43mm. Generally workable, with some weather to plan around.
May in Saint-Maur-des-Fossés averages a daily high of 19.9°C with nights around 10°C. Expect roughly 12 wet days totalling 62.3mm. Comfortable conditions for being outdoors all day.
June in Saint-Maur-des-Fossés averages a daily high of 23.7°C with nights around 13.3°C. Expect roughly 10.5 wet days totalling 58.5mm. Comfortable conditions for being outdoors all day.
July in Saint-Maur-des-Fossés averages a daily high of 25.9°C with nights around 15°C. Expect roughly 9.1 wet days totalling 54.5mm. Comfortable conditions for being outdoors all day.
August in Saint-Maur-des-Fossés averages a daily high of 25.8°C with nights around 14.8°C. Expect roughly 9.9 wet days totalling 60.1mm. Comfortable conditions for being outdoors all day.
September in Saint-Maur-des-Fossés averages a daily high of 21.9°C with nights around 11.8°C. Expect roughly 9.8 wet days totalling 45.7mm. Comfortable conditions for being outdoors all day.
October in Saint-Maur-des-Fossés averages a daily high of 17.1°C with nights around 9.1°C. Expect roughly 12.9 wet days totalling 56.4mm. Generally workable, with some weather to plan around.
November in Saint-Maur-des-Fossés averages a daily high of 11.1°C with nights around 5.1°C. Expect roughly 13.7 wet days totalling 52.3mm. Demanding conditions — pack for it and plan indoor options.
December in Saint-Maur-des-Fossés averages a daily high of 7.8°C with nights around 2.7°C. Expect roughly 14.5 wet days totalling 61.2mm. 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. Saint-Maur-des-Fossés peaks at 82.
Based on 30 years of records, May–September scores highest for comfort in Saint-Maur-des-Fossés, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 25.9°C.
May is the wettest, averaging 62.3mm of rain across roughly 12 wet days.
January is the coolest month, with average daily highs around 7.2°C.