Ottawa Météo Prévisions
Ottawa weather: 5°C, ciel dégagé. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
Ottawa weather in octobre
A good month à visit Ottawa.
octobre runs 3°C warmer than the annual average in Ottawa.
Météo map for Ottawa
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
Climat in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | -5° | -13° | 61 mm | ★★☆☆☆ |
| février | -3° | -13° | 49 mm | ★★☆☆☆ |
| mars | 5° | -6° | 79 mm | ★★☆☆☆ |
| avril | 11° | 1° | 128 mm | ★★★☆☆ |
| mai | 19° | 9° | 87 mm | ★★★★☆ |
| juin | 24° | 15° | 136 mm | ★★★★☆ |
| juillet | 27° | 18° | 113 mm | ★★★★☆ |
| août | 25° | 16° | 150 mm | ★★★★☆ |
| septembre | 22° | 13° | 38 mm | ★★★★☆ |
| octobre | 15° | 7° | 74 mm | ★★★★☆ |
| novembre | 5° | -1° | 60 mm | ★★★☆☆ |
| décembre | -2° | -9° | 90 mm | ★★☆☆☆ |
Climat type: Subarctic. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter Ottawa
Go in septembre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janvier, février and décembre – expect the least comfortable mix of heat, cold or rain.
What à pack, what à skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots avec grip for ice
- Avoid high-elevation trails without traction devices – frozen surfaces persist in shade all day.
- If your dates are flexible, avoid janvier, février and décembre – historically the least comfortable months here.
How Ottawa compares avec nearby places
Annual averages, and the difference against Ottawa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| lun.t-Tremblant National Park | 144 km | 4°C | 3°C cooler | 1298 mm |
| lun.treal-Trudeau International Airport | 153 km | 8°C | +1°C warmer | 1094 mm |
| lun.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 |
Voir les prévisions de Ottawa par période
Ottawa weather – more answers
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Météo 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 Amérique du Nord.
What is the weather like in Ottawa maintenant?
It is currently 5°C (42°F) avec ciel dégagé. Humidité is 62% and wind is 2 km/h.
When is the best time à visit Ottawa?
septembre offer the most comfortable conditions in Ottawa, which has a subarctic climate. janvier, février and décembre are usually the hardest months for outdoor plans.
What time zone is Ottawa in?
Ottawa observes America/Toronto (UTC-04:00). The heure locale is 11:19 PM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport à Ottawa?
The closest airports are lun.treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things à do in Ottawa?
Popular options include lun.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. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat 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 octobre 24, 2026 at 11:19 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
