Edinburgh, United Kingdom is most comfortable in March, April, May. The toughest month for heat is January (comfort 95/100). In August, daytime highs average 18.5°C (feels like 16.8°C) with 0 days over 30°C and 0 tropical nights.
| Month | Avg high | Avg low | Feels like | Days ≥30°C | Days ≥35°C | Nights ≥20°C | Comfort |
|---|---|---|---|---|---|---|---|
| January | 6.1° | 2° | 1.7° | 0 | 0 | 0 | 95 |
| February | 7.7° | 3.2° | 3.1° | 0 | 0 | 0 | 99 |
| March | 9.3° | 3.4° | 5.6° | 0 | 0 | 0 | 100 |
| April | 10.8° | 4.1° | 7.6° | 0 | 0 | 0 | 100 |
| May | 14.4° | 7.8° | 12.2° | 0 | 0 | 0 | 100 |
| June | 17.4° | 10.4° | 15.5° | 0 | 0 | 0 | 100 |
| July | 18.8° | 12.3° | 17.6° | 0 | 0 | 0 | 100 |
| August | 18.5° | 12.2° | 16.8° | 0 | 0 | 0 | 100 |
| September | 16.3° | 10.3° | 14.3° | 0 | 0 | 0 | 100 |
| October | 13° | 8.4° | 10.1° | 0 | 0 | 0 | 100 |
| November | 9.5° | 5° | 6.1° | 0 | 0 | 0 | 100 |
| December | 7.3° | 3.3° | 3.4° | 0 | 0 | 0 | 98 |
No. August daytime highs in Edinburgh average a comfortable 18.5°C with 0 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 Edinburgh are March, April, May. The toughest month for heat is January, scoring 95/100 on our heat-comfort index.
In August, nights in Edinburgh average a low of 12.2°C, with 0 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.