City in Ontario

Ottawa Klima and Average Wetter

Klima of Ottawa: average temperatures, rainfall and seasons month by month.

🌙 7°C now🕔 11:53 PM local📅 Best: September👥 1 million

Klima in Ottawa month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMäAprMaiJunJulAugSepOktNovDezLine: average high · Bars: rainfall
MonatDurchschnittliches MaximumDurchschnittliches MinimumNiederschlagBewertung
Januar-5°-13°61 mm★★☆☆☆
Februar-3°-13°49 mm★★☆☆☆
März5°-6°79 mm★★☆☆☆
April11°1°128 mm★★★☆☆
Mai19°9°87 mm★★★★☆
Juni24°15°136 mm★★★★☆
Juli27°18°113 mm★★★★☆
August25°16°150 mm★★★★☆
September22°13°38 mm★★★★☆
Oktober15°7°74 mm★★★★☆
November5°-1°60 mm★★★☆☆
Dezember-2°-9°90 mm★★☆☆☆

Klima type: Subarctic. Quelle: Open-Meteo archive (ERA5).

Recent extremes in Ottawa

Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.

Hottest day35°CJul 28, 2025
Coldest night-28°CJan 24, 2026
Wettest day123 mmAug 9, 2024

How Ottawa compares mit nearby places

Annual averages, and the difference against Ottawa.

PlaceDistanceAvg tempvs hereAnnual rain
Mo.t-Tremblant National Park144 km4°C3°C cooler1298 mm
Mo.treal-Trudeau International Airport153 km8°C+1°C warmer1094 mm
Mo.treal166 km8°C+1°C warmer1076 mm
Algonquin Provincial Park214 km6°C2°C cooler894 mm
Burlington222 km9°C+2°C warmer1157 mm

Beste Reisezeit Ottawa

Go in September. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: Januar, Februar and Dezember – expect the least comfortable mix of heat, cold or rain.

Januar★★☆☆☆
Februar★★☆☆☆
März★★☆☆☆
April★★★☆☆
Mai★★★★☆
Juni★★★★☆
Juli★★★★☆
August★★★★☆
September★★★★☆
Oktober★★★★☆
November★★★☆☆
Dezember★★☆☆☆

What this means for Ottawa

Compared mit normal

Today is slightly cooler than average for Oktober. The forecast high of 13°C is 2°C below the 15°C typical for this month.

Regen chance explained

A 11% chance means most of the area stays dry; a passing shower is possible but short.

Reisen and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in Juni und August.

Worth knowing

The gap between the warmest and coldest month averages 31°C.

What und pack, what und skip

Pack for the next 7 days
  • A warm mid-layer and gloves for early mornings and evenings
Worth avoiding
  • If your dates are flexible, avoid Januar, Februar and Dezember – historically the least comfortable months here.

Zusammenfassung

Ottawa is a city in Ontario. Ottawa is known for Parliament Hill and the Rideau Canal. Die Einwohnerzahl beträgt etwa 1 million.

Aktuell sind es 7°C (44°F) in Ottawa mit klar. Die gefühlte Temperatur beträgt 3°C. Heute liegen die Temperaturen zwischen 6°C und 13°C. Die Niederschlagswahrscheinlichkeit beträgt 11%. Die Bedingungen für Besichtigungen erreichen 7.8/10 – gute bedingungen.

Die beste Reisezeit für Ottawa is September. Das Klima ist subarctic. Januar, Februar and Dezember sind meist die ungemütlichsten Mo.ate. Juli ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 27°C, während Januar ist der kälteste Mo.at mit Tiefstwerten um -13°C.

Der nächstgelegene große Flughafen ist Mo.treal-Trudeau International Airport (YUL), about 153 km away. Zu den Sehenswürdigkeiten in der Nähe gehören Mo.t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park and Watkins Glen State Park.

Kurz gesagt. Today is slightly cooler than average for Oktober. The forecast high of 13°C is 2°C below the 15°C typical for this month. The best window und be outside is roughly 3 PM und 6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Ottawa today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Quick facts about Ottawa

TypCity
StateOntario
LandKanada
KontinentNordamerika
Koordinaten45°25′17.4″N 75°41′49.9″W (45.4215, -75.6972)
Bevölkerung1.020.000
Known forParliament Hill and the Rideau Canal
Ortszeit11:53 PM (UTC-04:00)
Beste MonateSeptember
KlimaSubarctic

Wetter map for Ottawa

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Animated layers by Windy. 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.

Klima 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 jetzt?

It is currently 7°C (44°F) mit klar. Luftfeuchtigkeit is 58% and wind is 14 km/h.

When is the best time und visit Ottawa?

September offer the most comfortable conditions in Ottawa, which has a subarctic climate. Januar, Februar and Dezember are usually the hardest months for outdoor plans.

What time zone is Ottawa in?

Ottawa observes America/Toronto (UTC-04:00). The Ortszeit is 11:53 PM.

How many people live in Ottawa?

Ottawa has a population of approximately 1 million.

What is the nearest airport und Ottawa?

The closest airports are Mo.treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.

What are the top things und do in Ottawa?

Popular options include Mo.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 dataUSPOTUS Atlas dataset (cities-supported) – coordinates, hierarchy and facts.
Vorhersage and observationsOpen-Meteo (ECMWF and national models).
Luftqualität and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 5, 2026 at 11:53 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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