River in Quebec

Best Time och Visit St. Lawrence River

Bästa tiden att besöka St. Lawrence River: september. Månad-by-month temperature, rainfall and crowd guidance.

⛅ 12°C now🕔 8:31 PM local📅 Best: september

Bästa tiden att besöka St. Lawrence River

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

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

januari★★☆☆☆
februari★★☆☆☆
mars★★☆☆☆
april★★☆☆☆
maj★★★☆☆
juni★★★☆☆
juli★★★★☆
augusti★★★☆☆
september★★★★☆
oktober★★★☆☆
november★★☆☆☆
december★☆☆☆☆

Klimat in St. Lawrence River month by month

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

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari-6°-15°69 mm★★☆☆☆
februari-5°-16°50 mm★★☆☆☆
mars1°-9°105 mm★★☆☆☆
april9°-1°124 mm★★☆☆☆
maj17°7°127 mm★★★☆☆
juni23°12°176 mm★★★☆☆
juli26°16°129 mm★★★★☆
augusti24°14°165 mm★★★☆☆
september20°10°45 mm★★★★☆
oktober14°5°90 mm★★★☆☆
november4°-3°90 mm★★☆☆☆
december-3°-12°97 mm★☆☆☆☆

Klimat type: Subarctic. Källa: Open-Meteo archive (ERA5).

How St. Lawrence River compares med 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
måntreal233 km8°C+2°C warmer1076 mm
måntreal-Trudeau International Airport246 km8°C+3°C warmer1094 mm
månt-Tremblant National Park255 km4°C1°C cooler1298 mm

What och pack, what och skip

Pack for the next 7 days
  • Layers - the daily swing is 17°C, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid januari, mars and december - historically the least comfortable months here.

Sammanfattning

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

Just nu är det 12°C (54°F) in St. Lawrence River med delvis molnigt. Det känns som 8°C. I dag varierar temperaturen mellan 11°C och 13°C. Risken för nederbörd är 32%. Sightseeing conditions score 7.8/10 - bra förhållanden.

Bästa tiden att besöka St. Lawrence River is september. Klimatet är subarctic. januari, mars and december tend och be the least comfortable months. juli is the warmest month med average highs near 26°C, while februari is the coldest med lows near -16°C.

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

Enkelt förklarat. Today is cooler than average for september. The forecast high of 13°C is 7.1°C below the 20°C typical for this month. The best window och be outside is roughly 2 PM och 5 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in St. Lawrence River today at 8.5/10. 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.

Vädret i St. Lawrence River just nu

⛅
12°C
Delvis molnigt · feels like 8°C
Luftfuktighet81%
Vind26 km/h ENE
Vindbyar46 km/h
UV-index0.1 · Låg
Molntäcke69%
Lufttryck1012 hPa
SiktExcellent · 29 km
Luftkvalitet23 · Good
Soluppgång6:39 AM
Solnedgång6:30 PM
Måne🌖 Waning gibbous · 85%

Open-Meteo Updated 8:31 PM, sep 30 local time.

Weekend outlook

lörurday, okt 3

☁️ 15° / 8°

Mulet · 7% rain · wind 13 km/h

sönday, okt 4

☁️ 15° / 5°

Mulet · 44% rain · wind 15 km/h

Saker att göra in St. Lawrence River

Sevärdheter, parks and landmarks in and around St. Lawrence River.

Quick facts about St. Lawrence River

TypRiver
StateQuebec
LandKanada
KontinentNordamerika
Koordinater46°48′50″N 71°12′28.8″W (46.8139, -71.208)
Length1.197 km
Known forthe Great Lakes outlet och the Atlantic
Lokal tid8:31 PM (UTC-04:00)
Best monthsseptember
KlimatSubarctic

Explore St. Lawrence River

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

Best Time och Visit 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 Nordamerika.

What is the weather like in St. Lawrence River just nu?

It is currently 12°C (54°F) med delvis molnigt. Luftfuktighet is 81% and wind is 26 km/h.

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

september offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. januari, mars 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 8:31 PM.

What is the nearest airport och St. Lawrence River?

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

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

Popular options include Baxter State Park, månt-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.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat 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 september 30, 2026 at 8:31 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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