Weather on August 18 in Reykjavik
Historical weather data for August 18 in Reykjavik, Iceland
Based on 55 years of data from REYKJAVIK
About This Date
August 18th in Reykjavik, Iceland typically brings cool summer weather, with average highs around 14°C and lows near 8°C. Over 55 years of records, the warmest August 18th was in 2020 (15°C average), while the coldest was 1976 (8°C) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 42% of August 18th dates historically, with the wettest August 18th recording 0.57" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Reykjavik? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 15°C (59°F) | 10°C (50°F) | -- |
| 2024 | 11°C (52°F) | 6°C (43°F) | -- |
| 2023 | 17°C (63°F) | 12°C (53°F) | -- |
| 2022 | 13°C (55°F) | 8°C (46°F) | -- |
| 2021 | 15°C (59°F) | 12°C (53°F) | -- |
| 2020 | 18°C (65°F) | 11°C (52°F) | -- |
| 2019 | 13°C (55°F) | 7°C (44°F) | -- |
| 2018 | 14°C (58°F) | 8°C (46°F) | -- |
| 2017 | -- | 7°C (45°F) | -- |
| 2016 | 16°C (61°F) | 9°C (49°F) | -- |
| 2015 | 12°C (54°F) | 7°C (45°F) | -- |
| 2014 | 15°C (59°F) | 9°C (49°F) | -- |
| 2013 | 11°C (51°F) | 8°C (46°F) | -- |
| 2012 | 18°C (64°F) | 11°C (52°F) | -- |
| 2011 | 13°C (56°F) | 6°C (43°F) | -- |
| 2010 | 18°C (64°F) | 11°C (51°F) | -- |
| 2009 | 13°C (55°F) | 9°C (48°F) | -- |
| 2008 | 15°C (59°F) | 11°C (51°F) | -- |
| 2007 | 13°C (56°F) | 7°C (44°F) | -- |
| 2006 | 14°C (58°F) | 9°C (49°F) | 0 mm |
| 2005 | 14°C (58°F) | 9°C (49°F) | 2 mm |
| 2004 | 15°C (59°F) | 7°C (45°F) | 0 mm |
| 2003 | 14°C (58°F) | 11°C (52°F) | 2 mm |
| 2002 | 16°C (60°F) | 8°C (47°F) | 0 mm |
| 2001 | 13°C (56°F) | 9°C (49°F) | 7 mm |
| 2000 | 16°C (61°F) | 5°C (41°F) | 0 mm |
| 1999 | 16°C (61°F) | 8°C (46°F) | 0 mm |
| 1998 | 14°C (57°F) | 9°C (49°F) | 0 mm |
| 1997 | 16°C (60°F) | 9°C (49°F) | 9 mm |
| 1996 | 12°C (54°F) | 6°C (42°F) | 0 mm |
| 1995 | 12°C (53°F) | 6°C (43°F) | 1 mm |
| 1994 | 13°C (56°F) | 6°C (43°F) | 0 mm |
| 1993 | 12°C (54°F) | 9°C (49°F) | 1 mm |
| 1992 | 13°C (56°F) | 8°C (46°F) | 9 mm |
| 1991 | 12°C (54°F) | 10°C (50°F) | 9 mm |
| 1990 | 14°C (57°F) | 9°C (49°F) | 1 mm |
| 1989 | 12°C (53°F) | 6°C (43°F) | 0 mm |
| 1988 | 14°C (58°F) | 10°C (50°F) | 1 mm |
| 1987 | 16°C (61°F) | 9°C (49°F) | 14 mm |
| 1986 | 13°C (56°F) | 9°C (49°F) | 8 mm |
| 1985 | 16°C (60°F) | 8°C (47°F) | 0 mm |
| 1984 | 14°C (57°F) | 8°C (46°F) | 2 mm |
| 1983 | 11°C (51°F) | 7°C (45°F) | 1 mm |
| 1982 | 12°C (53°F) | 6°C (42°F) | 0 mm |
| 1981 | 12°C (53°F) | 9°C (49°F) | 2 mm |
| 1980 | 12°C (54°F) | 6°C (43°F) | 0 mm |
| 1979 | 13°C (55°F) | 9°C (48°F) | 2 mm |
| 1978 | 15°C (59°F) | 11°C (52°F) | 10 mm |
| 1977 | 14°C (57°F) | 12°C (53°F) | 5 mm |
| 1976 | 11°C (51°F) | 6°C (42°F) | 0 mm |
| 1975 | 12°C (53°F) | 8°C (46°F) | 1 mm |
| 1974 | 12°C (54°F) | 8°C (47°F) | 2 mm |
| 1973 | 11°C (51°F) | 7°C (44°F) | 0 mm |
| 1972 | 11°C (52°F) | 9°C (48°F) | 2 mm |
| 1971 | 12°C (53°F) | 6°C (42°F) | 6 mm |