City in Ontario

Ottawa Κλίμα and Average Καιρός

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

🌙 3°C now🕔 12:35 PM local📅 Best: Σεπτέμβριος👥 1 million

Κλίμα in Ottawa month by month

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

Line: average high · Bars: rainfall
ΜήναςAvg highAvg lowΒροχήfallRating
Ιανουάριος-5°-13°61 mm★★☆☆☆
Φεβρουάριος-3°-13°49 mm★★☆☆☆
Μάρτιος5°-6°79 mm★★☆☆☆
Απρίλιος11°1°128 mm★★★☆☆
Μάι19°9°87 mm★★★★☆
Ιούνιος24°15°136 mm★★★★☆
Ιούλιος27°18°113 mm★★★★☆
Αύγουστος25°16°150 mm★★★★☆
Σεπτέμβριος22°13°38 mm★★★★☆
Οκτώβριος15°7°74 mm★★★★☆
Νοέμβριος5°-1°60 mm★★★☆☆
Δεκέμβριος-2°-9°90 mm★★☆☆☆

Κλίμα type: Subarctic. Πηγή: Open-Meteo archive (ERA5).

Recent extremes in Ottawa

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

Hottest day35°CΙού 28, 2025
Coldest night-28°CΙαν 24, 2026
Wettest day123 mmΑύγ 9, 2024

How Ottawa compares με nearby places

Annual averages, and the difference against Ottawa.

PlaceDistanceAvg tempvs hereAnnual rain
Δευt-Tremblant National Park144 km4°C3°C cooler1298 mm
Δευtreal-Trudeau International Airport153 km8°C+1°C warmer1094 mm
Δευtreal166 km8°C+1°C warmer1076 mm
Algonquin Provincial Park214 km6°C2°C cooler894 mm
Burlington222 km9°C+2°C warmer1157 mm

Καλύτερη εποχή για επίσκεψη Ottawa

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

Hardest months: Ιανουάριος, Φεβρουάριος and Δεκέμβριος - expect the least comfortable mix of heat, cold or rain.

Ιανουάριος★★☆☆☆
Φεβρουάριος★★☆☆☆
Μάρτιος★★☆☆☆
Απρίλιος★★★☆☆
Μάι★★★★☆
Ιούνιος★★★★☆
Ιούλιος★★★★☆
Αύγουστος★★★★☆
Σεπτέμβριος★★★★☆
Οκτώβριος★★★★☆
Νοέμβριος★★★☆☆
Δεκέμβριος★★☆☆☆

What this means for Ottawa

Compared με normal

Today is slightly cooler than average for Οκτώβριος. The forecast high of 13°C is 2.6°C below the 15°C typical for this month.

Βροχή chance explained

Βροχή is very unlikely today - plans do not need a backup.

Ταξίδια and driving

Overnight lows near -1°C mean ice is possible on bridges before dawn.

Worth knowing

Northern Hemisphere, so peak summer falls in Ιούνιος έως Αύγουστος.

Worth knowing

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

What έως pack, what έως skip

Pack for the next 7 days
  • A warm mid-layer and gloves for early mornings and evenings
  • Insulated outer layer, hat and boots με grip for ice
Worth avoiding
  • Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
  • If your dates are flexible, avoid Ιανουάριος, Φεβρουάριος and Δεκέμβριος - historically the least comfortable months here.

Περίληψη

Ottawa is a city in Ontario. Ottawa is known for Parliament Hill and the Rideau Canal. Ο πληθυσμός είναι περίπου 1 million.

Αυτή τη στιγμή είναι 3°C (37°F) in Ottawa με Αίθριος. Η αισθητή θερμοκρασία είναι -0°C. Σήμερα η θερμοκρασία κυμαίνεται από -1°C έως 13°C. Η πιθανότητα βροχής είναι 0%. Sightseeing conditions score 7.8/10 - Καλές συνθήκες.

Η καλύτερη εποχή για επίσκεψη στο Ottawa is Σεπτέμβριος. Το κλίμα είναι subarctic. Ιανουάριος, Φεβρουάριος and Δεκέμβριος tend έως be the least comfortable months. Ιούλιος is the warmest month με average highs near 27°C, while Ιανουάριος is the coldest με lows near -13°C.

The closest major airport is Δευtreal-Trudeau International Airport (YUL), about 153 km away. Nearby highlights include Δευt-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park and Watkins Glen State Park.

Με απλά λόγια. Today is slightly cooler than average for Οκτώβριος. The forecast high of 13°C is 2.6°C below the 15°C typical for this month. The best window έως be outside is roughly 3 PM έως 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

ΤύποςCity
StateOntario
ΧώραΚαναδάς
ΉπειροςΒόρεια Αμερική
Συντεταγμένες45°25′17.4″N 75°41′49.9″W (45.4215, -75.6972)
Πληθυσμός1.020.000
Known forParliament Hill and the Rideau Canal
Τοπική ώρα12:35 PM (UTC-04:00)
Best monthsΣεπτέμβριος
ΚλίμαSubarctic

Καιρός map for Ottawa

Animated model layers. Pick a layer έως load it.

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Animated layers by Άνεμοςy. 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.

Κλίμα 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 Βόρεια Αμερική.

What is the weather like in Ottawa τώρα?

It is currently 3°C (37°F) με Αίθριος. Υγρασία is 62% and wind is 2 km/h.

When is the best time έως visit Ottawa?

Σεπτέμβριος offer the most comfortable conditions in Ottawa, which has a subarctic climate. Ιανουάριος, Φεβρουάριος and Δεκέμβριος 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 12:35 PM.

How many people live in Ottawa?

Ottawa has a population of approximately 1 million.

What is the nearest airport έως Ottawa?

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

What are the top things έως do in Ottawa?

Popular options include Δευt-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.
Πρόγνωση and observationsOpen-Meteo (ECMWF and national models).
Ποιότητα αέρα and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Κλίμα 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 Οκτώβριος 24, 2026 at 12:35 PM local time. 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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