St. Lawrence River Klimaat and Average Weer
Klimaat of St. Lawrence River: average temperatures, rainfall and seasons month by month.
Klimaat in St. Lawrence River month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Maand | Gem. maximum | Gem. minimum | Neerslag | Beoordeling |
|---|---|---|---|---|
| januari | -6° | -15° | 69 mm | ★★☆☆☆ |
| februari | -5° | -16° | 50 mm | ★★☆☆☆ |
| maart | 1° | -9° | 105 mm | ★★☆☆☆ |
| april | 9° | -1° | 124 mm | ★★☆☆☆ |
| mei | 17° | 7° | 127 mm | ★★★☆☆ |
| juni | 23° | 12° | 176 mm | ★★★☆☆ |
| juli | 26° | 16° | 129 mm | ★★★★☆ |
| augustus | 24° | 14° | 165 mm | ★★★☆☆ |
| september | 20° | 10° | 45 mm | ★★★★☆ |
| oktober | 14° | 5° | 90 mm | ★★★☆☆ |
| november | 4° | -3° | 90 mm | ★★☆☆☆ |
| december | -3° | -12° | 97 mm | ★☆☆☆☆ |
Klimaat type: Subarctic. Bron: Open-Meteo archive (ERA5).
Recent extremes in St. Lawrence River
Hoogest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How St. Lawrence River compares met nearby places
Annual averages, and the difference against St. Lawrence River.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Quebec City | 0 km | 6°C | about the same | 1267 mm |
| Baxter State Park | 203 km | -3°C | 8°C cooler | 1355 mm |
| matreal | 233 km | 8°C | +2°C warmer | 1076 mm |
| matreal-Trudeau International Airport | 246 km | 8°C | +3°C warmer | 1094 mm |
| mat-Tremblant National Park | 255 km | 4°C | 1°C cooler | 1298 mm |
Beste reistijd St. Lawrence River
Go in september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januari, maart and december – expect the least comfortable mix of heat, cold or rain.
What this means for St. Lawrence River
Today is about average for oktober. The forecast high of 13°C is in line met the 14°C typical for this month.
A 81% chance means rain is expected over most of the area. Plan indoor alternatives.
Windstoten en 55 km/h will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in juni en augustus.
The gap between the warmest and coldest month averages 31°C.
What en pack, what en skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell – 3 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints terwijl gusts stay above 55 km/h.
- If your dates are flexible, avoid januari, maart and december – historically the least comfortable months here.
Samenvatting
St. Lawrence River is a river in Quebec. St. Lawrence River is a river known as the Great Lakes outlet en the Atlantic.
Op dit moment is het 6°C (43°F) in St. Lawrence River met bewolkt. Het voelt als 1°C. Vandaag ligt de temperatuur tussen 5°C en 13°C. De kans op neerslag is 81%. De omstandigheden voor sightseeing scoren 5.7/10 – redelijk — plan rond het weer.
De beste tijd om St. Lawrence River is september. Het klimaat is subarctic. januari, maart and december zijn meestal de minst comfortabele maanden. juli is de warmste maand, met gemiddelde maxima rond 26°C, terwijl februari is de koudste maand, met minima rond -16°C.
De dichtstbijzijnde grote luchthaven is matreal-Trudeau International Airport (YUL), about 246 km away. Nabijgelegen hoogtepunten zijn Baxter State Park, mat-Tremblant National Park, Mount Washington and Franconia Notch State Park.
Kort gezegd. Today is about average for oktober. The forecast high of 13°C is in line met the 14°C typical for this month. The best window en be outside is roughly 11 AM en 2 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in St. Lawrence River today at 8.4/10. Windstoten en 55 km/h will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about St. Lawrence River
| Type | River |
|---|---|
| State | Quebec |
| Land | Canada |
| Continent | Noord-Amerika |
| Coördinaten | 46°48′50″N 71°12′28.8″W (46.8139, -71.208) |
| Length | 1.197 km |
| Known for | the Great Lakes outlet en the Atlantic |
| Lokale tijd | 10:30 PM (UTC-04:00) |
| Beste maanden | september |
| Klimaat | Subarctic |
Weer map for St. Lawrence River
Animated model layers. Pick a layer en load it.
Animated layers by Windy. 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.
Klimaat 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 Noord-Amerika.
What is the weather like in St. Lawrence River nu?
It is currently 6°C (43°F) met bewolkt. Luchtvochtigheid is 70% and wind is 19 km/h.
When is the best time en visit St. Lawrence River?
september offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. januari, maart 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 lokale tijd is 10:30 PM.
What is the nearest airport en St. Lawrence River?
The closest airports are matreal-Trudeau International Airport (YUL), 246 km away and Boston Logan International Airport (BOS), 495 km away.
What are the top things en do in St. Lawrence River?
Popular options include Baxter State Park, mat-Tremblant National Park, Mount Washington, Franconia Notch State Park and Acadia National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (rivers) – coordinates, hierarchy and facts. |
|---|---|
| Voorspelling and observations | Open-Meteo (ECMWF and national models). |
| Luchtkwaliteit and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimaat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, 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 10:30 PM lokale tijd. Live blocks refresh every 15 minutes; climate averages monthly.
