St. Lawrence River Podnebje and Average Vreme
Podnebje of St. Lawrence River: average temperatures, rainfall and seasons month by month.
Podnebje in St. Lawrence River month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mesec | Avg high | Avg low | Dežfall | Rating |
|---|---|---|---|---|
| januar | -6° | -15° | 69 mm | ★★☆☆☆ |
| februar | -5° | -16° | 50 mm | ★★☆☆☆ |
| marec | 1° | -9° | 105 mm | ★★☆☆☆ |
| april | 9° | -1° | 124 mm | ★★☆☆☆ |
| maj | 17° | 7° | 127 mm | ★★★☆☆ |
| junij | 23° | 12° | 176 mm | ★★★☆☆ |
| julij | 26° | 16° | 129 mm | ★★★★☆ |
| avgust | 24° | 14° | 165 mm | ★★★☆☆ |
| september | 20° | 10° | 45 mm | ★★★★☆ |
| oktober | 14° | 5° | 90 mm | ★★★☆☆ |
| november | 4° | -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.
How St. Lawrence River compares z 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 |
| pontreal | 233 km | 8°C | +2°C warmer | 1076 mm |
| pontreal-Trudeau International Airport | 246 km | 8°C | +3°C warmer | 1094 mm |
| pont-Tremblant National Park | 255 km | 4°C | 1°C cooler | 1298 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.
What this means for St. Lawrence River
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 is very unlikely today - plans do not need a backup.
Overnight lows near -1°C mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in junij do avgust.
The gap between the warmest and coldest month averages 31°C.
What do pack, what do skip
- A warm mid-layer and gloves for early mornings and evenings
- 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
| Vrsta | River |
|---|---|
| State | Quebec |
| Država | Kanada |
| Celina | Severna Amerika |
| Koordinate | 46°48′50″N 71°12′28.8″W (46.8139, -71.208) |
| Length | 1.197 km |
| Known for | the Great Lakes outlet do the Atlantic |
| Lokalni čas | 11:53 PM (UTC-04:00) |
| Best months | september |
| Podnebje | Subarctic |
Vreme map for St. Lawrence River
Animated model layers. Pick a layer do load it.
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 data | USPOTUS Atlas dataset (rivers) - coordinates, hierarchy and facts. |
|---|---|
| Napoved and observations | Open-Meteo (ECMWF and national models). |
| Kakovost zraka and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Podnebje 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 22, 2026 at 11:53 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





