Measured, not vibes
Best Time to Visit Reykjavik
By measured weather comfort, the top months for Reykjavik are July, August, June — and RouteVerdict's editorial pick, which also weighs crowds and prices, is June, July, August. The table below is computed from ERA5 reanalysis data for 2020–2024, measured at Reykjavik (37 m elevation).
Month by month
Reykjavik weather and comfort, 2020–2024
| Month | Avg high | Wet days | Comfort | Season |
|---|---|---|---|---|
| January | 1.6°C / 35°F | 15.2 | 4 | |
| February | 2°C / 36°F | 13.8 | 5 | |
| March | 2.9°C / 37°F | 12.5 | 6 | |
| April | 6°C / 43°F | 12.8 | 13 | |
| May | 8.5°C / 47°F | 16.3 | 18 | Shoulder |
| June | 10.9°C / 52°F | 14.3 | 29 | Best |
| July | 12.8°C / 55°F | 12 | 40 | Best |
| August | 13°C / 55°F | 13.2 | 40 | Best |
| September | 9.9°C / 50°F | 14.5 | 25 | Shoulder |
| October | 6.4°C / 44°F | 13.3 | 13 | |
| November | 4.3°C / 40°F | 13.2 | 9 | |
| December | 1.1°C / 34°F | 13.5 | 4 |
Comfort is RouteVerdict's 0–100 score: 100·exp(−(high−23)²/162) × (1 − min(0.35, wet days × 0.02)). The full method is on the methodology page. Weather data by Open-Meteo.com (ERA5, CC BY 4.0), 2020–2024 normals. Wet day = ≥1 mm precipitation.
FAQ
Reykjavik timing questions
What is the best month to visit Reykjavik?
By measured weather comfort (ERA5 2020–2024), the top months are July, August, and June, with July scoring highest. RouteVerdict's editorial pick is June, July, and August, which also weighs crowds, prices, and events.
What is the hottest month in Reykjavik?
August, with an average daily high of 13°C (55°F).
What is the rainiest month in Reykjavik?
May, averaging 16.3 days with at least 1 mm of precipitation.
When is shoulder season in Reykjavik?
September and May — the best-scoring months outside both the measured top three and RouteVerdict's editorial peak-season pick.