| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 12.9° | 4.8° | 54.4mm | 6.8 | 64 |
| February | 13.9° | 5.3° | 38.2mm | 5.1 | 70 |
| March | 16.5° | 7.6° | 50mm | 6.5 | 76 |
| April | 19.1° | 9.9° | 63.6mm | 7.7 | 82 |
| May | 22.6° | 13.4° | 41mm | 7.3 | 85 |
| June | 27.4° | 17.6° | 21.2mm | 4.2 | 90 |
| July | 29.9° | 20° | 16.9mm | 3.8 | 81 |
| August | 29.7° | 19.8° | 20.3mm | 4 | 81 |
| September | 25.9° | 16.3° | 35.2mm | 5.4 | 89 |
| October | 21.8° | 13.3° | 73.1mm | 6.3 | 87 |
| November | 16.5° | 8.5° | 74.2mm | 7 | 75 |
| December | 13.6° | 5.4° | 51.7mm | 6 | 68 |
January in Narbonne averages a daily high of 12.9°C with nights around 4.8°C. Expect roughly 6.8 wet days totalling 54.4mm. Generally workable, with some weather to plan around.
February in Narbonne averages a daily high of 13.9°C with nights around 5.3°C. Expect roughly 5.1 wet days totalling 38.2mm. Generally workable, with some weather to plan around.
March in Narbonne averages a daily high of 16.5°C with nights around 7.6°C. Expect roughly 6.5 wet days totalling 50mm. Comfortable conditions for being outdoors all day.
April in Narbonne averages a daily high of 19.1°C with nights around 9.9°C. Expect roughly 7.7 wet days totalling 63.6mm. Comfortable conditions for being outdoors all day.
May in Narbonne averages a daily high of 22.6°C with nights around 13.4°C. Expect roughly 7.3 wet days totalling 41mm. Comfortable conditions for being outdoors all day.
June in Narbonne averages a daily high of 27.4°C with nights around 17.6°C. Expect roughly 4.2 wet days totalling 21.2mm. Comfortable conditions for being outdoors all day.
July in Narbonne averages a daily high of 29.9°C with nights around 20°C. Expect roughly 3.8 wet days totalling 16.9mm. Comfortable conditions for being outdoors all day.
August in Narbonne averages a daily high of 29.7°C with nights around 19.8°C. Expect roughly 4 wet days totalling 20.3mm. Comfortable conditions for being outdoors all day.
September in Narbonne averages a daily high of 25.9°C with nights around 16.3°C. Expect roughly 5.4 wet days totalling 35.2mm. Comfortable conditions for being outdoors all day.
October in Narbonne averages a daily high of 21.8°C with nights around 13.3°C. Expect roughly 6.3 wet days totalling 73.1mm. Comfortable conditions for being outdoors all day.
November in Narbonne averages a daily high of 16.5°C with nights around 8.5°C. Expect roughly 7 wet days totalling 74.2mm. Comfortable conditions for being outdoors all day.
December in Narbonne averages a daily high of 13.6°C with nights around 5.4°C. Expect roughly 6 wet days totalling 51.7mm. 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. Narbonne peaks at 90.
Based on 30 years of records, April–June scores highest for comfort in Narbonne, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 29.9°C.
November is the wettest, averaging 74.2mm of rain across roughly 7 wet days.
January is the coolest month, with average daily highs around 12.9°C.