Above-average summer helps St. John's to break this temperature record

The capital of Newfoundland and Labrador has seen an above-average summer, surpassing the average number of days above 20 degrees and setting a new record.

St. John's, N.L., set a new record on Thursday as thermometers reached the 20-degree mark for the eightieth time this year, setting a new record for the most 20-degree days in a year!

The city typically sees only 55 days above 20 in an average year, but thanks to an extra hot summer, that average was quickly surpassed.

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In fact, most communities in Newfoundland and Labrador saw more 20-degree days this year than normal, including Labrador City.

Newfoundland and Labrador number of 20-degree days in 2025 - Sept. 18, 2025

Almost all of July had daytime temperatures reach 20°C in St. John's, with 29 out of the 31 days. This is just one day shy of the record for the hottest July, which was set in 1920.

The Rock even saw temperatures reach 30°C this summer! A 30-degree day is typically very rare to see in St. John's, but the city saw five days of 30-degree weather this summer. The hottest temperature recorded was 30.9°C.

Fall weather is around the corner, however, and we can expect things to take a chilly and rainy turn into the weekend.

Stay with The Weather Network for more information and updates on your weather in Newfoundland and Labrador.