May’s temperature was near normal (-0.2ºC) while precipitation was below normal (87%) in comparison with the 30-year climate normal (1981-2010) for the province. Climate event of the month: 33ºC in 33 hours; between the late afternoon of May 26th to the night of May 27th, air temperatures went from +30ºC and plummeted to near -3ºC in Edmundston associated with a cold frontal passage.
See all the details in the attached final report for May and an outlook for June 2021 from Jill Maepea, Warning Preparedness Meteorologist / Client Service Operations Atlantic, Environment and Climate Change Canada / Government of Canada