Reykjavik Weather in October
In October, Reykjavik averages a high of 7°C (45°F) and a low of 2°C (36°F), from 55 years of daily records (1971–2026).
7°C
Average high
45°F
2°C
Average low
36°F
16°C
Record high
60°F · October 18, 2001
-9°C
Record low
16°F · October 30, 2025
What October Is Like in Reykjavik
- Reykjavik set its coldest October reading on record recently: -9°C (16°F) on October 30, 2025.
- October in Reykjavik has become 0.9°C (1.6°F) warmer on average: the 2011–2025 average against 1970–1989.
- On average, 7.2 nights in October drop below freezing.
- The warmest October in the record was 2016; the coldest was 1981.
At least 1 mm of rain falls on 44% of October days, and the month averages 83 mm in total.
Warmest: 2001 (10.1°C)Latest: 2025 (7.1°C)10-year averageLong-run average (7.1°C)
Look Up a Day in October
See the weather in Reykjavik on any October date, year by year.
Source: NOAA GHCN-Daily, Reykjavik (1971–2026); Reykjavik (2006–2025). Averages cover 1971–2026. How we compute this