Ottawa Weer Voorspelling
Ottawa weather: 6°C, heldere hemel. Per uur forecast, 14-day outlook, UV, air quality and the best time en visit.
Ottawa weather in september
One of the best months en visit Ottawa.
september runs 9°C warmer than the annual average in Ottawa.
Weer map for Ottawa
Animated model layers. Pick a layer en load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Klimaat in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Maand | Gem. maximum | Gem. minimum | Neerslag | Beoordeling |
|---|---|---|---|---|
| januari | -5° | -13° | 61 mm | ★★☆☆☆ |
| februari | -3° | -13° | 49 mm | ★★☆☆☆ |
| maart | 5° | -6° | 79 mm | ★★☆☆☆ |
| april | 11° | 1° | 128 mm | ★★★☆☆ |
| mei | 19° | 9° | 87 mm | ★★★★☆ |
| juni | 24° | 15° | 136 mm | ★★★★☆ |
| juli | 27° | 18° | 113 mm | ★★★★☆ |
| augustus | 25° | 16° | 150 mm | ★★★★☆ |
| september | 22° | 13° | 38 mm | ★★★★☆ |
| oktober | 15° | 7° | 74 mm | ★★★★☆ |
| november | 5° | -1° | 60 mm | ★★★☆☆ |
| december | -2° | -9° | 90 mm | ★★☆☆☆ |
Klimaat type: Subarctic. Bron: Open-Meteo archive (ERA5).
Beste reistijd 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.
What en pack, what en skip
- Layers – the daily swing is 19°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid januari, februari and december – historically the least comfortable months here.
How Ottawa compares met nearby places
Annual averages, and the difference against Ottawa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| mat-Tremblant National Park | 144 km | 4°C | 3°C cooler | 1298 mm |
| matreal-Trudeau International Airport | 153 km | 8°C | +1°C warmer | 1094 mm |
| matreal | 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 |
Bekijk de voorspelling voor Ottawa per periode
Ottawa weather – more answers
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Ottawa?
Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in Noord-Amerika.
What is the weather like in Ottawa nu?
It is currently 6°C (43°F) met heldere hemel. Luchtvochtigheid is 65% and wind is 16 km/h.
When is the best time en 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 lokale tijd is 9:39 AM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport en Ottawa?
The closest airports are matreal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things en do in Ottawa?
Popular options include mat-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. |
|---|---|
| Voorspelling and observations | Open-Meteo (ECMWF and national models). |
| Luchtkwaliteit and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimaat 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 6, 2026 at 9:39 AM lokale tijd. Live blocks refresh every 15 minutes; climate averages monthly.
