Ottawa, Canada Climate
Canada
Pop. 1,017,449 Elev. 71 m / 233 ft
TZ: America/Toronto (UTC-4) ·
Ottawa has harsh winters with February lows averaging 6°F (-14°C), and mild summers with July highs of 81°F (27°C). Humidity pushes the summer feels-like temperature to around 86°F (30°C). Rain falls on about 52 days per year (29.5 in / 750 mm total), with snow on 16 days and 97 in (2466 mm) of annual accumulation. The city averages 73 sunny days per year and around 25 thunderstorm days. Nearby lake water reaches 70°F (21°C) in summer.
| Temperature | 27°C (81°F) high | -14°C (6°F) low |
| Feels like | 30°C (86°F) high | -18°C (0°F) low |
| Rain | 52 days | 750 mm (29.5 in) /yr |
| Snow | 16 days | 2466 mm (97.1 in) /yr |
| Sky | 73 sunny | 25 stormy |
| Wind | 1.1 m/s (2.4 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug, Sep
Sky & Air by Month
Cloud cover (%)
79
Jan 70
Feb 73
Mar 69
Apr 75
May 59
Jun 58
Jul 49
Aug 47
Sep 49
Oct 80
Nov 81
Dec Humidity (%)
71
Jan 70
Feb 66
Mar 60
Apr 66
May 66
Jun 72
Jul 66
Aug 73
Sep 71
Oct 81
Nov 75
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 6 km Ottawa / Rockcliffe Airport (YRO)
Ski resort 19 km
National park 39 km Rideau River Provincial Park
Mountain peak
(1,555 m) 195 km Algonquin Peak
Hospital 2 km Saint-Vincent Hospital
Hiking trail 6 km Pioneers Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | -5°C 23°F | -12°C 10°F | 3 mm 0.1 in | 401 mm15.8 in | 2 |
| February | -5°C 23°F | -14°C 6°F | 6 mm 0.2 in | 659 mm25.9 in | 3 |
| March | 5°C 41°F | -5°C 22°F | 76 mm 3.0 in | 389 mm15.3 in | 4 |
| April | 12°C 54°F | 0°C 32°F | 103 mm 4.1 in | 189 mm7.5 in | 5 |
| May | 19°C 66°F | 8°C 46°F | 103 mm 4.1 in | — | 5 |
| June | 25°C 77°F | 14°C 57°F | 98 mm 3.8 in | — | 7 |
| July | 27°C 81°F | 16°C 61°F | 85 mm 3.4 in | — | 5 |
| August | 26°C 78°F | 13°C 56°F | 61 mm 2.4 in | — | 14 |
| September | 22°C 71°F | 9°C 49°F | 44 mm 1.8 in | — | 16 |
| October | 16°C 61°F | 5°C 40°F | 89 mm 3.5 in | — | 10 |
| November | 3°C 37°F | -2°C 29°F | 53 mm 2.1 in | 363 mm14.3 in | 1 |
| December | -3°C 26°F | -12°C 10°F | 29 mm 1.1 in | 464 mm18.3 in | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 0 |
| February | 3 | 0 |
| March | 4 | 1 |
| April | 5 | 2 |
| May | 5 | 4 |
| June | 7 | 5 |
| July | 5 | 7 |
| August | 14 | 3 |
| September | 16 | 2 |
| October | 10 | 1 |
| November | 1 | 0 |
| December | 1 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 0°C 32°F |
| February | 0°C 32°F |
| March | 0°C 32°F |
| April | 2°C 35°F |
| May | 7°C 44°F |
| June | 13°C 56°F |
| July | 21°C 69°F |
| August | 21°C 70°F |
| September | 17°C 63°F |
| October | 13°C 55°F |
| November | 5°C 42°F |
| December | 1°C 34°F |