July 2019 St. John's Weather Stats - Cold start, strong finish
St. John's Intl. Airport (official weather station)
Average high: 18.8C (historic average: 20.7C)
Average low: 9.9C (historic average: 10.9C)
Mean: 14.4C (historic average: 15.8C)
Highest high: 26.9C (July 27)
Lowest high: 11.1C (July 11)
Highest low: 13.6C (July 27)
Lowest low: 7.1C (July 10&11)
#days above 20: 14
# days above 25: 3
# days above 30: 0
Highest humidex value: 34 (July 30)
Total Rainfall: 134.2 mm (historical average: 91.6 mm)
St. John's CBC - University Avenue
Average high: 20.1C (historic average: Not enough data)
Average low: 11.4C (historic average: Not enough data)
Mean: 15.8C (historic average: Not enough data)
Highest high: 28.1 C (July 27)
Lowest high: 11.1C (July 1)
Highest low: 15.6C (July 7)
Lowest low: 8.3C (July 10&11)
# days above 20: 15
# days above 25: 4
# days above 30: 0
Highest humidex value: 36 (July 30)
St. John's Downtown West - Hamilton Avenue
Average high: 21.4C (historic average: 22.7C (Low data: only 5 years))
Average low: 11.1C (historic average: 12.3C (Low data as above))
Mean: 16.3C (historic average: 17.5C (Low data as above))
Highest high: 30.5C (July 27)
Lowest high: 11.7C (July 1)
Highest low: 13.9C (July 7&28)
Lowest low: 7.7C (July 11)
# days above 20: 19
# days above 25: 8
#days above 30: 2
Highest humidex value: 39 (July 30&31)
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Overall: We finished below average (again), mostly from a very cold start to July. The past week has been nice and above average. One thing really noticeable though is that it's been cool overnight, with a lot of chilly lows. I guess it requires it to warm up during the day for it to stay warm overnight though