River in Quebec

St. Lawrence River אקלים and Average מזג אוויר

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

🌙 17°C now🕔 10:11 PM local📅 Best: יולי and ספטמבר

אקלים in St. Lawrence River month by month

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

Line: average high · Bars: rainfall
חודשAvg highAvg lowגשםfallRating
ינואר-6°-15°69 mm★★☆☆☆
פברואר-5°-16°50 mm★★☆☆☆
מרץ-9°105 mm★★☆☆☆
אפריל-1°124 mm★★☆☆☆
מאי17°127 mm★★★☆☆
יוני23°12°176 mm★★★☆☆
יולי26°16°130 mm★★★★
אוגוסט24°14°134 mm★★★★
ספטמבר21°11°72 mm★★★★
אוקטובר14°90 mm★★★☆☆
נובמבר-3°90 mm★★☆☆☆
דצמבר-3°-12°97 mm☆☆☆☆

אקלים type: Subarctic. מקור: Open-Meteo archive (ERA5).

Recent extremes in St. Lawrence River

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

Hottest day33°Cאוג 12, 2025
Coldest night-30°Cינו 25, 2026
Wettest day72 mmאוג 9, 2024

How St. Lawrence River compares עם nearby places

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

PlaceDistanceAvg tempvs hereAnnual rain
Quebec City0 km6°Cabout the same1264 mm
Baxter State Park203 km-3°C8°C cooler1398 mm
ב׳treal233 km8°C+2°C warmer1081 mm
ב׳treal-Trudeau International Airport246 km8°C+3°C warmer1088 mm
ב׳t-Tremblant National Park255 km4°C1°C cooler1276 mm

הזמן הטוב ביותר לביקור St. Lawrence River

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

Hardest months: ינואר, מרץ and דצמבר - expect the least comfortable mix of heat, cold or rain.

ינואר★★☆☆☆
פברואר★★☆☆☆
מרץ★★☆☆☆
אפריל★★☆☆☆
מאי★★★☆☆
יוני★★★☆☆
יולי★★★★
אוגוסט★★★★
ספטמבר★★★★
אוקטובר★★★☆☆
נובמבר★★☆☆☆
דצמבר☆☆☆☆

What this means for St. Lawrence River

Compared עם normal

Today is slightly cooler than average for אוגוסט. The forecast high of 21°C is 2.5°C below the 24°C typical for this month.

גשם chance explained

A 37% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel. Around 21 mm is forecast, which is enough ל- soak trails and slow traffic.

נסיעות 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 יוני ל- אוגוסט.

Worth knowing

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

What ל- pack, what ל- skip

Pack for the next 7 days
  • א׳glasses, a brimmed hat and SPF 30+
  • Layers - the daily swing is 17°C, so mornings feel nothing like afternoons
  • A packable rain shell - 2 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid ינואר, מרץ and דצמבר - historically the least comfortable months here.

סיכום

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

כרגע הטמפרטורה היא 17°C (62°F) in St. Lawrence River עם בהיר. מרגיש כמו 17°C. היום הטמפרטורות נעות בין 12°C ל- 21°C. הסיכוי למשקעים הוא 37%. Sightseeing conditions score 8.8/10 - מצוין — אפשר לצאת עכשיו.

הזמן הטוב ביותר לבקר בSt. Lawrence River is יולי and ספטמבר. האקלים הוא subarctic. ינואר, מרץ and דצמבר tend ל- be the least comfortable months. יולי is the warmest month עם average highs near 26°C, while פברואר is the coldest עם lows near -16°C.

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

במילים פשוטות. Today is slightly cooler than average for אוגוסט. The forecast high of 21°C is 2.5°C below the 24°C typical for this month. The best window ל- be outside is roughly 11 AM ל- 2 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in St. Lawrence River today at 8.8/10. 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 St. Lawrence River

סוגRiver
StateQuebec
מדינהקנדה
יבשתצפון אמריקה
קואורדינטות46°48′50″N 71°12′28.8″W (46.8139, -71.208)
Length1.197 km
Known forthe Great Lakes outlet ל- the Atlantic
שעה מקומית10:11 PM (UTC-04:00)
Best monthsיולי and ספטמבר
אקליםSubarctic

מזג אוויר map for St. Lawrence River

Animated model layers. Pick a layer ל- load it.

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Animated layers by רוחy. 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.

אקלים 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 צפון אמריקה.

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

It is currently 17°C (62°F) עם בהיר. לחות is 88% and wind is 7 km/h.

When is the best time ל- visit St. Lawrence River?

יולי and ספטמבר offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. ינואר, מרץ and דצמבר 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 10:11 PM.

What is the nearest airport ל- St. Lawrence River?

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

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

Popular options include Baxter State Park, ב׳t-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.
תחזית and observationsOpen-Meteo (ECMWF and national models).
איכות האוויר and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
אקלים 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 אוגוסט 25, 2026 at 10:11 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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