Weather on May 18 in Reykjavik
Historical weather data for May 18 in Reykjavik, Iceland
Avg High10°C (50°F)
Avg Low4°C (39°F)
Warmest202516°C
Coldest19790°C
Based on 56 years of data from REYKJAVIK
About This Date
May 18th in Reykjavik, Iceland typically brings cool spring weather, with average highs around 10°C and lows near 4°C. Over 56 years of records, the warmest May 18th was in 2025 (16°C average), while the coldest was 1979 (0°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 32% of May 18th dates historically. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for May 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) |
|---|---|---|---|
| 2026 | 12°C (53°F) | 0°C (32°F) | 0 mm |
| 2025 | 21°C (69°F) | 11°C (52°F) | -- |
| 2024 | 9°C (49°F) | 3°C (37°F) | -- |
| 2023 | 11°C (52°F) | 7°C (45°F) | -- |
| 2022 | 15°C (59°F) | 9°C (48°F) | -- |
| 2021 | 8°C (47°F) | 4°C (39°F) | -- |
| 2020 | 9°C (49°F) | 4°C (40°F) | -- |
| 2019 | 11°C (51°F) | 8°C (47°F) | -- |
| 2018 | 8°C (46°F) | 2°C (36°F) | -- |
| 2017 | 8°C (47°F) | 4°C (40°F) | -- |
| 2016 | 7°C (44°F) | 3°C (38°F) | -- |
| 2015 | 8°C (47°F) | 3°C (38°F) | -- |
| 2014 | 10°C (50°F) | 6°C (42°F) | -- |
| 2013 | 11°C (51°F) | 7°C (45°F) | -- |
| 2012 | 8°C (46°F) | 2°C (35°F) | -- |
| 2011 | 12°C (53°F) | 2°C (35°F) | -- |
| 2010 | 12°C (53°F) | 3°C (38°F) | -- |
| 2009 | 16°C (61°F) | 6°C (42°F) | -- |
| 2008 | 11°C (51°F) | 6°C (43°F) | 0 mm |
| 2007 | 13°C (56°F) | 6°C (42°F) | -- |
| 2006 | 9°C (49°F) | 4°C (40°F) | 0 mm |
| 2005 | 8°C (47°F) | -2°C (29°F) | 0 mm |
| 2004 | 9°C (49°F) | 3°C (38°F) | 0 mm |
| 2003 | 11°C (51°F) | 2°C (35°F) | 3 mm |
| 2002 | 16°C (60°F) | 4°C (39°F) | 0 mm |
| 2001 | 8°C (46°F) | 3°C (37°F) | 1 mm |
| 2000 | 6°C (42°F) | 2°C (35°F) | 0 mm |
| 1999 | 8°C (47°F) | 4°C (40°F) | 2 mm |
| 1998 | 8°C (47°F) | 3°C (37°F) | 3 mm |
| 1997 | 12°C (53°F) | 5°C (41°F) | 0 mm |
| 1996 | 9°C (49°F) | 3°C (38°F) | 7 mm |
| 1995 | 10°C (50°F) | 3°C (38°F) | 0 mm |
| 1994 | 8°C (46°F) | 2°C (35°F) | 0 mm |
| 1993 | 8°C (47°F) | 2°C (36°F) | 0 mm |
| 1992 | 11°C (52°F) | 4°C (39°F) | 8 mm |
| 1991 | 7°C (45°F) | 2°C (36°F) | 2 mm |
| 1990 | 9°C (49°F) | 5°C (41°F) | 0 mm |
| 1989 | 7°C (44°F) | 3°C (37°F) | 1 mm |
| 1988 | 12°C (53°F) | 3°C (38°F) | 0 mm |
| 1987 | 7°C (45°F) | 4°C (40°F) | 0 mm |
| 1986 | 11°C (51°F) | 2°C (35°F) | 0 mm |
| 1985 | 13°C (55°F) | 6°C (43°F) | 0 mm |
| 1984 | 8°C (46°F) | 2°C (36°F) | 3 mm |
| 1983 | 9°C (48°F) | 1°C (33°F) | 0 mm |
| 1982 | 13°C (55°F) | 7°C (44°F) | 0 mm |
| 1981 | 13°C (56°F) | 8°C (46°F) | 2 mm |
| 1980 | 12°C (53°F) | 9°C (49°F) | 1 mm |
| 1979 | 3°C (38°F) | -3°C (26°F) | 0 mm |
| 1978 | 9°C (48°F) | 1°C (34°F) | 3 mm |
| 1977 | 9°C (49°F) | 6°C (43°F) | 5 mm |
| 1976 | 8°C (46°F) | 4°C (40°F) | 0 mm |
| 1975 | 9°C (49°F) | 1°C (33°F) | 0 mm |
| 1974 | 11°C (52°F) | 8°C (46°F) | 2 mm |
| 1973 | 11°C (52°F) | 1°C (34°F) | 0 mm |
| 1972 | 9°C (49°F) | 5°C (41°F) | 5 mm |
| 1971 | 8°C (47°F) | 4°C (40°F) | 2 mm |