Paris, France is most comfortable in February, March, April. The toughest month for heat is August (comfort 88/100). In August, daytime highs average 25.2°C (feels like 25°C) with 3.8 days over 30°C and 0.6 tropical nights.
| Month | Avg high | Avg low | Feels like | Days ≥30°C | Days ≥35°C | Nights ≥20°C | Comfort |
|---|---|---|---|---|---|---|---|
| January | 7.2° | 1.8° | 3.6° | 0 | 0 | 0 | 98 |
| February | 10° | 3.2° | 6.5° | 0 | 0 | 0 | 100 |
| March | 13.1° | 4.3° | 9.8° | 0 | 0 | 0 | 100 |
| April | 15.6° | 5.9° | 12.7° | 0 | 0 | 0 | 100 |
| May | 19.5° | 10° | 17.8° | 0.4 | 0 | 0 | 100 |
| June | 24.4° | 14.1° | 24.2° | 2.6 | 0.8 | 1 | 93 |
| July | 25° | 15.3° | 24.6° | 4 | 0.6 | 1.2 | 89 |
| August | 25.2° | 15.3° | 25° | 3.8 | 0.4 | 0.6 | 88 |
| September | 21.7° | 12.7° | 20.7° | 1.8 | 0 | 0 | 98 |
| October | 17.7° | 9.8° | 16.1° | 0 | 0 | 0 | 100 |
| November | 11.2° | 5.7° | 8.5° | 0 | 0 | 0 | 100 |
| December | 8.6° | 3.9° | 5.7° | 0 | 0 | 0 | 100 |
No. August daytime highs in Paris average a comfortable 25.2°C with 3.8 days over 30°C — it's a solid summer choice for avoiding extreme heat.
Based on 5 years of climate data, the most comfortable months in Paris are February, March, April. The toughest month for heat is August, scoring 88/100 on our heat-comfort index.
In August, nights in Paris average a low of 15.3°C, with 0.6 tropical nights per month (nights that stay at or above 20°C) — a key factor for sleep quality if your stay has no air conditioning.
Tell us where and when you're going. If a heatwave becomes likely for your dates, we'll email you early — with cooler day-by-day alternatives nearby.