Climate Yearbook

Toronto weather in 2023

Toronto weather in 2023, with 365 daily observations from Open-Meteo archive data.

Interactive graph

Open Toronto in the interactive graph

Use the graph view to inspect 2023 alongside other available years for Toronto.

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Year summary

In 2023, Toronto averaged 13.6 C for daily highs and 5.9 C for daily lows.

A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was +0.2 C from that baseline, and total precipitation was +74.7 mm from the baseline total.

The warmest month was July, with an average high of 26.0 C, while February had the lowest average low at -6.8 C.

The wettest month was July, totaling 126.2 mm. The hottest day reached 31.9 C on September 4, 2023.

Monthly averages and precipitation

MonthAvg low CAvg high CRain and snow mmDays
January-3.61.689.531
February-6.83.074.928
March-3.54.499.331
April3.312.8109.230
May7.817.647.631
June14.622.9116.330
July17.226.0126.231
August15.823.8104.431
September14.222.315.630
October9.415.970.431
November0.67.553.130
December0.55.089.431

Daily records in 2023

RecordDateValue
Hottest daySeptember 4, 202331.9 C
Coldest nightFebruary 4, 2023-25.1 C
Wettest dayJune 12, 202332.1 mm

Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.