Best TimeからVisit Ottawa
訪問に最適な時期 Ottawa: 9月. 月-by-month temperature, rainfall and crowd guidance.
訪問に最適な時期 Ottawa
Go in 9月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
気候 in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | -5° | -13° | 61 mm | ★★☆☆☆ |
| 2月 | -3° | -13° | 49 mm | ★★☆☆☆ |
| 3月 | 5° | -6° | 79 mm | ★★☆☆☆ |
| 4月 | 11° | 1° | 128 mm | ★★★☆☆ |
| 5月 | 19° | 9° | 87 mm | ★★★★☆ |
| 6月 | 24° | 15° | 136 mm | ★★★★☆ |
| 7月 | 27° | 18° | 113 mm | ★★★★☆ |
| 8月 | 25° | 16° | 150 mm | ★★★★☆ |
| 9月 | 22° | 13° | 38 mm | ★★★★☆ |
| 10月 | 15° | 7° | 74 mm | ★★★★☆ |
| 11月 | 5° | -1° | 60 mm | ★★★☆☆ |
| 12月 | -2° | -9° | 90 mm | ★★☆☆☆ |
気候 type: Subarctic. 出典： Open-Meteo archive (ERA5).
How Ottawa compares、nearby places
Annual averages, and the difference against Ottawa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| 月t-Tremblant National Park | 144 km | 4°C | 3°C cooler | 1298 mm |
| 月treal-Trudeau International Airport | 153 km | 8°C | +1°C warmer | 1094 mm |
| 月treal | 166 km | 8°C | +1°C warmer | 1076 mm |
| Algonquin Provincial Park | 214 km | 6°C | 2°C cooler | 894 mm |
| Burlington | 222 km | 9°C | +2°C warmer | 1157 mm |
Whatからpack, whatからskip
- A warm mid-layer and gloves for early mornings and evenings
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
概要
Ottawa is a city in Ontario. Ottawa is known for Parliament Hill and the Rideau Canal. 人口は約1 million.
現在の気温は2°C (35°F) in Ottawa、晴れ. 体感温度は-2°C. 今日の気温は-0°Cから11°C. 降水確率は0%. Sightseeing conditions score 7.4/10 - 良好.
訪問に最適な時期はOttawa is 9月. 気候はsubarctic. 1月, 2月 and 12月 tendからbe the least comfortable months. 7月 is the warmest month、average highs near 27°C, while 1月 is the coldest、lows near -13°C.
The closest major airport is 月treal-Trudeau International Airport (YUL), about 153 km away. Nearby highlights include 月t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park and Watkins Glen State Park.
簡単に言うと。 Today is cooler than average for 10月. The forecast high of 11°C is 4.8°C below the 15°C typical for this month. The best windowからbe outside is roughly 3 PMから6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Ottawa today at 10/10. Overnight lows near -0°C mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
の天気Ottawa現在
Open-Meteo Updated 6:08 AM, 10月 23 local time.
Weekend outlook
🌥️ 11° / -1°
霧 · 1% rain · wind 7 km/h
☁️ 17° / 4°
曇り · 5% rain · wind 15 km/h
観光でできること in Ottawa
観光スポット, parks and landmarks in and around Ottawa.
Quick facts about Ottawa
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Best TimeからVisit for related places
Frequently asked questions
Where is Ottawa?
Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in 北アメリカ.
What is the weather like in Ottawa現在?
It is currently 2°C (35°F)、晴れ. 湿度 is 67% and wind is 7 km/h.
When is the best timeからvisit Ottawa?
9月 offer the most comfortable conditions in Ottawa, which has a subarctic climate. 1月, 2月 and 12月 are usually the hardest months for outdoor plans.
What time zone is Ottawa in?
Ottawa observes America/Toronto (UTC-04:00). The local time is 6:08 AM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airportからOttawa?
The closest airports are 月treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top thingsからdo in Ottawa?
Popular options include 月t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park, Watkins Glen State Park, CN Tower and Letchworth State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 10月 23, 2026 at 6:08 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
