Halifax just had a colder-than-normal month for the first time in more than 4 years
Ryan Snoddon | CBC News | Posted: December 7, 2023 10:00 AM | Last Updated: December 7, 2023
November temperatures were at least 1 degree below normal in the Halifax area
An incredible run has just come to an end in the Halifax area.
For the first time since May 2019, a monthly temperature has averaged more than one degree below normal in the Halifax area.
Up to November 2023, the metro region had experienced 53 consecutive months, or four-and-half years, with temperatures that were either within degree of normal, or above normal.
Normal temperatures are based on the 30-year average recorded between 1991-2020.
The 53-month streak occurred at both the Halifax Stanfield International Airport and Halifax-Shearwater weather stations and, over that time, temperatures averaged about one degree above normal.
And then along came November.
The month of November finished 1.7 degrees below normal at the airport and 1.2 degrees below normal at Shearwater.
The month of November was also colder than normal elsewhere across the province, which has certainly been the exception to the rule over the past four years.
Since May 2019, Greenwood has experienced just six months below normal. Closer to the coastline, Sydney had just four months and Yarmouth only two months below average.
The remainder of the months have been either near or above average.
In addition to the rising temperatures around the globe, recent studies have shown that due to climate change, ocean temperatures surrounding the Maritimes are warming faster than 97.5 per cent of the other world oceans. Slower to cool off, warmer ocean water acts like a blanket, keeping temperatures milder, especially at night and in the fall and winter months.
A big thank you and courtesy to Jonathan Buffett from the Cape Breton Mesonet for sharing the recently updated 1991-2020 climate normals for the Halifax region.
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