This page tracks the highest and lowest temperatures ever officially recorded at 13 weather stations across Ireland, based on measurements dating from 1876 to 2026. Use the interactive map or the list below to see the record high and record low temperature (in Celsius) for each location, along with the date each record was set.
| Location | Temperature | Record Date |
| Ballyshannon | 31 °C (87 °F) | July 12, 2025 |
| Belmullet | 28 °C (82 °F) | July 26, 1995 |
| Cahirciveen | 28 °C (83 °F) | September 5, 1991 |
| Casement | 31 °C (88 °F) | July 19, 2006 |
| Claremorris | 31 °C (87 °F) | July 13, 1983 |
| Connaught | 28 °C (82 °F) | July 19, 2013 |
| Cork | 29 °C (84 °F) | July 14, 1983 |
| Dublin | 29 °C (84 °F) | August 2, 1990 |
| Dublin - Phoenix Park | 33 °C (92 °F) | July 16, 1876 |
| Malin Head | 28 °C (82 °F) | July 12, 2025 |
| Mullingar | 30 °C (86 °F) | July 13, 1983 |
| Roches Point | 28 °C (82 °F) | July 15, 1989 |
| Shannon | 31 °C (87 °F) | July 13, 1983 |
The highest temperature ever officially recorded in Ireland was 92 °F (33 °C), set in Dublin - Phoenix Park on July 16, 1876.
The lowest temperature ever officially recorded in Ireland was -2 °F (-19 °C), set in Mullingar on January 12, 1979.
This page includes record high and low temperature data for 13 weather stations in Ireland.
The record highs and lows on this page span from 1876 to 2026 and are updated whenever a new station record is set.