Ottawa Climat and Average Météo
Climat of Ottawa: average temperatures, rainfall and seasons month by month.
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).
Recent extremes in Ottawa
Élevéest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
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 |
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 this means for Ottawa
Today is slightly cooler than average for octobre. The forecast high of 13°C is 2.6°C below the 15°C typical for this month.
Pluie is very unlikely today – plans do not need a backup.
Overnight lows near -1°C mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in juin à août.
The gap between the warmest and coldest month averages 31°C.
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.
Résumé
Ottawa is a city in Ontario. Ottawa is known for Parliament Hill and the Rideau Canal. Sa population est d’environ 1 million.
Actuellement, il fait 3°C (37°F) in Ottawa avec ciel dégagé. La température ressentie est de -0°C. Aujourd’hui, les températures vont de -1°C à 13°C. La probabilité de précipitations est de 0%. Les conditions pour les visites obtiennent 7.8/10 – bonnes conditions.
La meilleure période pour visiter Ottawa is septembre. Le climat est subarctic. janvier, février and décembre sont généralement les mois les moins confortables. juillet est le mois le plus chaud, avec des maximales moyennes proches de 27°C, tandis que janvier est le mois le plus froid, avec des minimales proches de -13°C.
L’aéroport principal le plus proche est lun.treal-Trudeau International Airport (YUL), about 153 km away. Parmi les sites à proximité, citons lun.t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park and Watkins Glen State Park.
En termes simples. Today is slightly cooler than average for octobre. The forecast high of 13°C is 2.6°C below the 15°C typical for this month. The best window à be outside is roughly 3 PM à 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 -1°C mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Ottawa
| Type | City |
|---|---|
| State | Ontario |
| Pays | Canada |
| Continent | Amérique du Nord |
| Coordonnées | 45°25′17.4″N 75°41′49.9″W (45.4215, -75.6972) |
| Population | 1.020.000 |
| Known for | Parliament Hill and the Rideau Canal |
| Heure locale | 11:04 AM (UTC-04:00) |
| Meilleurs mois | septembre |
| Climat | Subarctic |
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.
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Climat 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 3°C (37°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 11:04 AM.
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 11:04 AM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
