Ottawa weather in 2024
Ottawa weather in 2024, with 366 daily observations from Open-Meteo archive data.
Interactive graph
Open Ottawa in the interactive graph
Use the graph view to inspect 2024 alongside other available years for Ottawa.
Year summary
In 2024, Ottawa averaged 13.1 C for daily highs and 4.3 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2024 with the 2023-2025 archive baseline. The 2024 average daily high was +0.8 C from that baseline, and total precipitation was +124.9 mm from the baseline total.
The warmest month was July, with an average high of 26.5 C, while January had the lowest average low at -10.2 C.
The wettest month was August, totaling 231.8 mm. The hottest day reached 32.5 C on June 19, 2024.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -10.2 | -2.2 | 78.4 | 31 |
| February | -10.1 | 1.3 | 28.8 | 29 |
| March | -3.0 | 7.3 | 43.6 | 31 |
| April | 1.8 | 11.8 | 131.1 | 30 |
| May | 10.5 | 20.6 | 111.4 | 31 |
| June | 14.7 | 23.8 | 181.4 | 30 |
| July | 17.9 | 26.5 | 129.7 | 31 |
| August | 16.2 | 24.5 | 231.8 | 31 |
| September | 13.2 | 22.8 | 64.1 | 30 |
| October | 6.5 | 15.0 | 40.0 | 31 |
| November | 1.7 | 7.7 | 66.1 | 30 |
| December | -8.3 | -2.2 | 95.1 | 31 |
Daily records in 2024
| Record | Date | Value |
|---|---|---|
| Hottest day | June 19, 2024 | 32.5 C |
| Coldest night | December 22, 2024 | -20.8 C |
| Wettest day | August 9, 2024 | 122.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.