
Ottawa
Warm and damp from June to September; cold and damp from December to March.
- Jan28°-2°10°-12°Rain on about three days a week.
- Feb29°-2°9°-13°Rain on about three days a week.
- Mar39°4°19°-7°Rain on about two days a week.
- Apr54°12°33°1°Rain on about three days a week.
- May68°20°46°8°Rain on about three days a week.
- Jun78°26°57°14°Rain on about three days a week.
- Jul82°28°62°17°Rain on about three days a week.
- Aug80°27°62°17°Rain on about three days a week.
- Sep74°23°55°13°Rain on about two days a week.
- Oct62°17°45°7°Rain on about three days a week.
- Nov47°8°33°1°Rain on about three days a week.
- Dec35°2°20°-7°Rain on about three days a week.
The warm season runs from June to September, with highs near 78°F and nights near 59°F. From December to March, highs are nearer 33°F. Rain or snow falls on about three days a week, spread through the year. Daylight runs from about 9 hours in December to 15½ hours in June.The warm season runs from June to September, with highs near 26°C and nights near 15°C. From December to March, highs are nearer 1°C. Rain or snow falls on about three days a week, spread through the year. Daylight runs from about 9 hours in December to 15½ hours in June.
Where Ottawa sits
America/Toronto- this place
- typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
- Latitude
- 45.4°Nnorthern hemisphere
- Above the sea
- 70 mlow-lying
- Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
- 7:39 AM7:06 AM7:18 AM6:19 AM5:33 AM5:13 AM5:28 AM6:03 AM6:40 AM7:17 AM7:01 AM7:35 AMsets 4:44 PMsets 5:28 PMsets 7:07 PMsets 7:47 PMsets 8:24 PMsets 8:52 PMsets 8:49 PMsets 8:13 PMsets 7:16 PMsets 6:19 PMsets 4:34 PMsets 4:20 PM
- Nearest of ours
- Mont-Tremblant115 km north-east
The land around Ottawa, shaded by its typical high in January, the planning map's own layer.The land around Ottawa, shaded by its typical high in February, the planning map's own layer.The land around Ottawa, shaded by its typical high in March, the planning map's own layer.The land around Ottawa, shaded by its typical high in April, the planning map's own layer.The land around Ottawa, shaded by its typical high in May, the planning map's own layer.The land around Ottawa, shaded by its typical high in June, the planning map's own layer.The land around Ottawa, shaded by its typical high in July, the planning map's own layer.The land around Ottawa, shaded by its typical high in August, the planning map's own layer.The land around Ottawa, shaded by its typical high in September, the planning map's own layer.The land around Ottawa, shaded by its typical high in October, the planning map's own layer.The land around Ottawa, shaded by its typical high in November, the planning map's own layer.The land around Ottawa, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.
Through the year
week by weekTemperature
Highs from 28°F in January to 82°F in July.Highs from -2°C in January to 28°C in July.
Chance of a wet day
Wettest in December (43% of days), driest in September (32%).
Cloud cover
Clearest in August and September (42% cover), cloudiest in January (70%).
Daylight
From 8h 46m in December to 15h 36m in June.
Month by month
°F°C| Month | Typical low to high | Wet days a week | Cloud | Daylight |
|---|---|---|---|---|
| JanuaryCool season | 3 days | 70% | 9h 09m | |
| FebruaryCool season | 3 days | 66% | 10h 18m | |
| MarchCool season | 2 days | 63% | 11h 50m | |
| April | 3 days | 59% | 13h 28m | |
| May | 3 days | 56% | 14h 53m | |
| JuneWarm seasonAt its best | 3 days | 53% | 15h 36m | |
| JulyWarm season | 3 days | 45% | 15h 16m | |
| AugustWarm seasonAt its best | 3 days | 42% | 14h 02m | |
| SeptemberWarm seasonAt its best | 2 days | 42% | 12h 26m | |
| October | 3 days | 52% | 10h 48m | |
| November | 3 days | 63% | 9h 26m | |
| DecemberCool season | 3 days | 68% | 8h 46m |
When is the best time to visit Ottawa?
The best months are June, or August to September: highs near 77°F, nights near 58°F, and rain on about two days a week.The best months are June, or August to September: highs near 25°C, nights near 14°C, and rain on about two days a week.
How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.
Questions
What is the warmest month in Ottawa?
July, with highs near 82°F and lows near 62°F. The coolest is January, with highs near 28°F.July, with highs near 28°C and lows near 17°C. The coolest is January, with highs near -2°C.
When does it rain most in Ottawa?
December, with rain or snow on about three days a week. September is the driest, with rain on about two days a week.
How long are the days in Ottawa?
From about 9 hours in December to 15½ hours in June.
When are the skies clearest in Ottawa?
August and September, when cloud covers about 42% of the sky on average. January is the cloudiest, at about 70%.
Places with a year like Ottawa's
by their highs, lows and wet days- South RoyaltonUnited States
- KyivUkraine
- SapporoJapan
- MoscowRussia
- RigaLatvia
Their highs, lows, wet days and cloud run closest to Ottawa's through the year, one place a country. “Six months apart”: their winter is Ottawa's summer.
Elsewhere in Canada
All of Canada- Mont-Tremblant115 km north-east
- Montreal165 km east
- North Hatley291 km east
- Toronto353 km south-west
- Quebec City378 km north-east
- East Kemptville797 km east
- Halifax954 km east
- Fogo Island1677 km north-east