JUNE MUCH WARMER, WETTER, AND SUNNIER THAN AVERAGE
Armagh Observatory, third July 2026: Armagh Observatory studies that June 2026 was a lot hotter, wetter, and sunnier than common. With a mean temperature of roughly 15.8 levels Celsius (60.5 Fahrenheit), this was the sixth warmest June on file at Armagh, shared with June 1970, and the warmest June at Armagh for 3 years, that’s, for the reason that exceptionally heat June 2023 (17.4C). With 89.4 mm of precipitation, it was additionally the wettest June at Armagh for seven years, barely wetter than June 2025.
The typical temperature was roughly 2.4C hotter than the 225-year long-term (1796-2020) June common at Armagh (13.4 C) and practically 1.8C hotter than the latest (1991-2020) 30-year common (roughly 14.0C). This month continued a current pattern in the direction of hotter Junes. Six of the final seven Junes at Armagh have been hotter than the latest (1991-2020) 30-year June common, whereas the rolling 30-year June common at Armagh has elevated by roughly 0.7C in simply the final twenty years.
The Solar heated up a lot of days throughout June
This June was noteworthy in recording a short-lived warmth wave and several other very heat nights. In response to the UK Meteorological Workplace, a warmth wave in Northern Eire requires three or extra consecutive days with most temperatures not less than 25.0C (77.0F). This occurred throughout the 4 days starting the twenty third of June 2026. The corresponding highest temperatures at Armagh have been 29.8C on the twenty fifth (now the warmest day of the yr to this point), adopted by 28.0C on the twenty third, 26.3C on the twenty sixth, and 25.5C on the twenty fourth.
The twenty fifth (29.8C) can be the equal-fourth warmest June day on file at Armagh, shared with the twenty ninth of June 2018, and the equal-tenth warmest day ever recorded at Armagh. For comparability, the most popular day to this point recorded at Armagh is 31.3C on twenty second July 2021.
During the last roughly 180 years warmth waves have occurred at Armagh in June, on common, at roughly ten-year intervals. It’s a measure of the current enhance in common temperatures at Armagh that 4 June warmth waves have occurred within the final eight years.
The best minimal air temperature or warmest evening throughout this month’s warmth wave occurred throughout the evening of the twenty sixth/twenty seventh within the small hours of the twenty seventh, specifically 17.7C. This solid a brand new file for the warmest June evening at Armagh, the three warmest June nights at Armagh now being 17.7C (27 June 2026), 17.2C (24 June 2023), and 17.0C (each 28 June 1957 and 30 June 2025).
Regardless of this very heat spell throughout the fourth week of the month, different days this June have been usually cloudy, often cool, and typically moist with heavy, localised showers. The three coolest days, or lowest most air temperatures, have been 14.9C on the ninth, adopted by 15.0C on the sixth, and 16.0C on each the eighth and thirteenth. The good nights, or lowest minimal air temperatures, have been 6.7C on the eighth, adopted by 7.2C on the fifth, and seven.3C on the ninth. Equally, the three lowest grass-minimum temperatures this have been 0.7C on the eighth, adopted by 2.4C on the twenty first, and three.7C on the ninth; there have been no frosts.
Rainbows have been famous on the night of the 4th and the afternoon of the thirtieth. Swallows and swifts have been noticed on the morning of the fifteenth.
Whole precipitation was 89.4 mm together with 4 hint values, that’s, 89.2 mm if hint values are ignored. That is roughly 40% wetter than the 183-year long-term (1838-2020) June precipitation at Armagh (63.7 mm), and 42% greater than the latest (1991-2020) 30-year June common (62.9 mm). The three wettest days have been the nineteenth, with 17.7 mm of rainfall, adopted by the third with 12.9 mm, and the 18th with 11.7 mm. There have been 17 rain days, that’s, days with not less than 0.2 mm of precipitation.
Campbell-Stokes sunshine recorder on the Armagh Observatory
With 153.9 hours of sturdy sunshine, June 2026 recorded a roughly common amount of sturdy sunshine, nearly the identical because the 140-year long-term (1881-2020) common at Armagh (159.7 hours) and solely 10% bigger than the latest (1991-2020) 30-year common (144.6 hours). There was one sunless day with zero hours of sturdy sunshine, specifically the sixth, and two different uninteresting days, the twenty second and twenty ninth, every with lower than half an hour of sturdy sunshine. The sunniest day was the twenty third with 11.7 hours of sturdy sunshine, adopted by the twenty fifth with 11.4 hours, and the twenty fourth with 10.6 hours.
These information seek advice from observations at Armagh Observatory, which has been recording the climate at Armagh since 1795.
For additional data, please contact:
Professor Mark E. Bailey
Emeritus Director of Armagh Observatory
Armagh Observatory and Planetarium
School Hill
Armagh
BT61 9DG
Tel: 028-3752-2928
E-mail: mark.bailey@armagh.ac.uk
