Ottawa weather in 2023
Ottawa weather in 2023, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Ottawa in the interactive graph
Use the graph view to inspect 2023 alongside other available years for Ottawa.
Year summary
In 2023, Ottawa averaged 12.5 C for daily highs and 3.5 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 +43.2 mm from the baseline total.
The warmest month was July, with an average high of 26.3 C, while February had the lowest average low at -12.1 C.
The wettest month was July, totaling 188.8 mm. The hottest day reached 33.2 C on June 1, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -9.0 | -1.9 | 108.4 | 31 |
| February | -12.1 | -1.7 | 79.6 | 28 |
| March | -5.3 | 2.8 | 78.4 | 31 |
| April | 0.5 | 12.7 | 100.8 | 30 |
| May | 6.1 | 18.9 | 76.3 | 31 |
| June | 13.5 | 24.4 | 89.5 | 30 |
| July | 17.7 | 26.3 | 188.8 | 31 |
| August | 15.1 | 23.5 | 135.2 | 31 |
| September | 13.4 | 23.0 | 22.2 | 30 |
| October | 8.2 | 15.5 | 94.9 | 31 |
| November | -2.3 | 4.8 | 41.7 | 30 |
| December | -4.4 | 1.3 | 104.0 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | June 1, 2023 | 33.2 C |
| Coldest night | February 4, 2023 | -32.1 C |
| Wettest day | July 21, 2023 | 32.7 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.