Weather on May 20 in Reykjavik
Historical weather data for May 20 in Reykjavik, Iceland
Based on 56 years of data from REYKJAVIK
About This Date
May 20th 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 20th was in 2025 (13°C average), while the coldest was 1979 (3°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 30% of May 20th dates historically, with the wettest May 20th recording 0.77" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for May 20th 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 | 15°C (59°F) | 0°C (32°F) | -- |
| 2025 | 18°C (64°F) | 9°C (49°F) | -- |
| 2024 | 9°C (49°F) | 4°C (40°F) | -- |
| 2023 | 8°C (46°F) | 3°C (37°F) | -- |
| 2022 | 13°C (55°F) | 8°C (47°F) | -- |
| 2021 | 8°C (47°F) | 1°C (34°F) | -- |
| 2020 | 11°C (52°F) | 4°C (40°F) | -- |
| 2019 | 9°C (49°F) | 7°C (44°F) | -- |
| 2018 | 7°C (45°F) | 3°C (37°F) | -- |
| 2017 | 10°C (50°F) | 4°C (39°F) | -- |
| 2016 | 10°C (50°F) | 2°C (36°F) | -- |
| 2015 | 8°C (47°F) | -- | -- |
| 2014 | 11°C (52°F) | 4°C (40°F) | -- |
| 2013 | 8°C (47°F) | 4°C (40°F) | -- |
| 2012 | 12°C (53°F) | 3°C (37°F) | -- |
| 2011 | 8°C (47°F) | 2°C (36°F) | -- |
| 2010 | 12°C (53°F) | 6°C (43°F) | -- |
| 2009 | 11°C (51°F) | 3°C (38°F) | -- |
| 2008 | 11°C (52°F) | 4°C (39°F) | -- |
| 2007 | 8°C (46°F) | 1°C (34°F) | -- |
| 2006 | 8°C (46°F) | -1°C (31°F) | 0 mm |
| 2005 | 9°C (48°F) | -1°C (31°F) | 0 mm |
| 2004 | 8°C (46°F) | 0°C (32°F) | 0 mm |
| 2003 | 13°C (55°F) | 6°C (43°F) | 0 mm |
| 2002 | 11°C (51°F) | 7°C (45°F) | 1 mm |
| 2001 | 8°C (46°F) | 4°C (39°F) | 2 mm |
| 2000 | 9°C (49°F) | 2°C (35°F) | 0 mm |
| 1999 | 8°C (47°F) | 2°C (36°F) | 2 mm |
| 1998 | 8°C (47°F) | 3°C (37°F) | 0 mm |
| 1997 | 9°C (48°F) | 4°C (40°F) | 0 mm |
| 1996 | 12°C (53°F) | 2°C (35°F) | 0 mm |
| 1995 | 10°C (50°F) | 5°C (41°F) | 0 mm |
| 1994 | 8°C (47°F) | 3°C (38°F) | 0 mm |
| 1993 | 10°C (50°F) | 6°C (43°F) | 5 mm |
| 1992 | 10°C (50°F) | 4°C (40°F) | 1 mm |
| 1991 | 7°C (44°F) | 3°C (37°F) | 1 mm |
| 1990 | 11°C (52°F) | 6°C (43°F) | 2 mm |
| 1989 | 8°C (47°F) | 4°C (40°F) | 20 mm |
| 1988 | 9°C (49°F) | 6°C (42°F) | 2 mm |
| 1987 | 12°C (53°F) | 6°C (43°F) | 1 mm |
| 1986 | 10°C (50°F) | 6°C (42°F) | 2 mm |
| 1985 | 13°C (55°F) | 7°C (45°F) | 0 mm |
| 1984 | 7°C (45°F) | 2°C (35°F) | 0 mm |
| 1983 | 12°C (53°F) | 3°C (38°F) | 0 mm |
| 1982 | 12°C (53°F) | 7°C (45°F) | 2 mm |
| 1981 | 10°C (50°F) | 4°C (40°F) | 2 mm |
| 1980 | 11°C (52°F) | 4°C (40°F) | 0 mm |
| 1979 | 7°C (45°F) | -1°C (30°F) | 0 mm |
| 1978 | 8°C (47°F) | 5°C (41°F) | 18 mm |
| 1977 | 10°C (50°F) | 6°C (43°F) | 2 mm |
| 1976 | 10°C (50°F) | 3°C (37°F) | 0 mm |
| 1975 | 11°C (51°F) | 1°C (34°F) | 0 mm |
| 1974 | 14°C (57°F) | 8°C (46°F) | 0 mm |
| 1973 | 8°C (46°F) | 2°C (36°F) | 0 mm |
| 1972 | 13°C (55°F) | 8°C (47°F) | 0 mm |
| 1971 | 8°C (47°F) | 3°C (37°F) | 0 mm |