River in Quebec

St. Lawrence River Podnebje and Average Vreme

Podnebje of St. Lawrence River: average temperatures, rainfall and seasons month by month.

🌙 5°C now🕔 11:53 PM local📅 Best: september

Podnebje in St. Lawrence River month by month

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

janfebmaraprmajjunjulavgsepoktnovdecLine: average high · Bars: rainfall
MesecAvg highAvg lowDežfallRating
januar-6°-15°69 mm★★☆☆☆
februar-5°-16°50 mm★★☆☆☆
marec1°-9°105 mm★★☆☆☆
april9°-1°124 mm★★☆☆☆
maj17°7°127 mm★★★☆☆
junij23°12°176 mm★★★☆☆
julij26°16°129 mm★★★★☆
avgust24°14°165 mm★★★☆☆
september20°10°45 mm★★★★☆
oktober14°5°90 mm★★★☆☆
november4°-3°90 mm★★☆☆☆
december-3°-12°97 mm★☆☆☆☆

Podnebje type: Subarctic. Vir: Open-Meteo archive (ERA5).

Recent extremes in St. Lawrence River

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

Hottest day33°Cavg 12, 2025
Coldest night-30°Cjan 25, 2026
Wettest day72 mmavg 9, 2024

How St. Lawrence River compares z nearby places

Annual averages, and the difference against St. Lawrence River.

PlaceDistanceAvg tempvs hereAnnual rain
Quebec City0 km6°Cabout the same1267 mm
Baxter State Park203 km-3°C8°C cooler1355 mm
pontreal233 km8°C+2°C warmer1076 mm
pontreal-Trudeau International Airport246 km8°C+3°C warmer1094 mm
pont-Tremblant National Park255 km4°C1°C cooler1298 mm

Najboljši čas za obisk St. Lawrence River

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

Hardest months: januar, marec and december - expect the least comfortable mix of heat, cold or rain.

januar★★☆☆☆
februar★★☆☆☆
marec★★☆☆☆
april★★☆☆☆
maj★★★☆☆
junij★★★☆☆
julij★★★★☆
avgust★★★☆☆
september★★★★☆
oktober★★★☆☆
november★★☆☆☆
december★☆☆☆☆

What this means for St. Lawrence River

Compared z normal

Today is slightly cooler than average for oktober. The forecast high of 12°C is 1.9°C below the 14°C typical for this month.

Dež chance explained

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

Potovanja and driving

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

Worth knowing

Northern Hemisphere, so peak summer falls in junij do avgust.

Worth knowing

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

What do pack, what do skip

Pack for the next 7 days
  • A warm mid-layer and gloves for early mornings and evenings
Worth avoiding
  • Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
  • If your dates are flexible, avoid januar, marec and december - historically the least comfortable months here.

Povzetek

St. Lawrence River is a river in Quebec. St. Lawrence River is a river known as the Great Lakes outlet do the Atlantic.

Trenutno je 5°C (41°F) in St. Lawrence River z jasno. Občutek je 1°C. Danes so temperature od -1°C do 12°C. Verjetnost padavin je 1%. Sightseeing conditions score 7.9/10 - dobre razmere.

Najboljši čas za obisk St. Lawrence River is september. Podnebje je subarctic. januar, marec and december tend do be the least comfortable months. julij is the warmest month z average highs near 26°C, while februar is the coldest z lows near -16°C.

The closest major airport is pontreal-Trudeau International Airport (YUL), about 246 km away. Nearby highlights include Baxter State Park, pont-Tremblant National Park, Mount Washington and Franconia Notch State Park.

Preprosto povedano. Today is slightly cooler than average for oktober. The forecast high of 12°C is 1.9°C below the 14°C typical for this month. The best window do be outside is roughly 2 PM do 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in St. Lawrence River 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 St. Lawrence River

VrstaRiver
StateQuebec
DržavaKanada
CelinaSeverna Amerika
Koordinate46°48′50″N 71°12′28.8″W (46.8139, -71.208)
Length1.197 km
Known forthe Great Lakes outlet do the Atlantic
Lokalni čas11:53 PM (UTC-04:00)
Best monthsseptember
PodnebjeSubarctic

Vreme map for St. Lawrence River

Animated model layers. Pick a layer do load it.

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Animated layers by Vetery. For pin-level detail and nearby places, see the interactive map below.

Explore St. Lawrence River

Every topic we hold for this place, and the same topic for the places around it.

Podnebje for related places

Frequently asked questions

Where is St. Lawrence River?

St. Lawrence River is a river in Quebec. Its coordinates are 46.8139, -71.208. It lies in Severna Amerika.

What is the weather like in St. Lawrence River zdaj?

It is currently 5°C (41°F) z jasno. Vlažnost is 57% and wind is 11 km/h.

When is the best time do visit St. Lawrence River?

september offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. januar, marec and december are usually the hardest months for outdoor plans.

What time zone is St. Lawrence River in?

St. Lawrence River observes America/Toronto (UTC-04:00). The local time is 11:53 PM.

What is the nearest airport do St. Lawrence River?

The closest airports are pontreal-Trudeau International Airport (YUL), 246 km away and Boston Logan International Airport (BOS), 495 km away.

What are the top things do do in St. Lawrence River?

Popular options include Baxter State Park, pont-Tremblant National Park, Mount Washington, Franconia Notch State Park and Acadia National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (rivers) - coordinates, hierarchy and facts.
Napoved and observationsOpen-Meteo (ECMWF and national models).
Kakovost zraka and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Podnebje 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 22, 2026 at 11:53 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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