Ottawa Väder Prognos
Ottawa weather: 15°C, mest klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.
Klimat in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Månad | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januari | -5° | -13° | 61 mm | ★★☆☆☆ |
| februari | -3° | -13° | 49 mm | ★★☆☆☆ |
| mars | 5° | -6° | 79 mm | ★★☆☆☆ |
| april | 11° | 1° | 128 mm | ★★★☆☆ |
| maj | 19° | 9° | 87 mm | ★★★★☆ |
| juni | 24° | 15° | 136 mm | ★★★★☆ |
| juli | 27° | 18° | 113 mm | ★★★★☆ |
| augusti | 25° | 16° | 150 mm | ★★★★☆ |
| september | 22° | 13° | 38 mm | ★★★★☆ |
| oktober | 15° | 7° | 74 mm | ★★★★☆ |
| november | 5° | -1° | 60 mm | ★★★☆☆ |
| december | -2° | -9° | 90 mm | ★★☆☆☆ |
Klimat type: Subarctic. Källa: Open-Meteo archive (ERA5).
Bästa tiden att besöka Ottawa
Go in september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Ottawa
Högest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Ottawa compares med nearby places
Annual averages, and the difference against Ottawa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| månt-Tremblant National Park | 144 km | 4°C | 3°C cooler | 1298 mm |
| måntreal-Trudeau International Airport | 153 km | 8°C | +1°C warmer | 1094 mm |
| måntreal | 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 och pack, what och skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid januari, februari and december - historically the least comfortable months here.
Se prognosen för Ottawa per tidsintervall
Ottawa weather - more answers
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Väder 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 Nordamerika.
What is the weather like in Ottawa just nu?
It is currently 15°C (58°F) med mest klart. Luftfuktighet is 91% and wind is 3 km/h.
When is the best time och visit Ottawa?
september offer the most comfortable conditions in Ottawa, which has a subarctic climate. januari, februari and december 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 3:25 AM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport och Ottawa?
The closest airports are måntreal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things och do in Ottawa?
Popular options include månt-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. |
|---|---|
| Prognos and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimat 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 oktober 1, 2026 at 3:25 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
