St. Lawrence River Κλίμα and Average Καιρός
Κλίμα of St. Lawrence River: average temperatures, rainfall and seasons month by month.
Κλίμα in St. Lawrence River month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Μήνας | Avg high | Avg low | Βροχήfall | Rating |
|---|---|---|---|---|
| Ιανουάριος | -6° | -15° | 69 mm | ★★☆☆☆ |
| Φεβρουάριος | -5° | -16° | 50 mm | ★★☆☆☆ |
| Μάρτιος | 1° | -9° | 105 mm | ★★☆☆☆ |
| Απρίλιος | 9° | -1° | 124 mm | ★★☆☆☆ |
| Μάι | 17° | 7° | 127 mm | ★★★☆☆ |
| Ιούνιος | 23° | 12° | 176 mm | ★★★☆☆ |
| Ιούλιος | 26° | 16° | 129 mm | ★★★★☆ |
| Αύγουστος | 24° | 14° | 165 mm | ★★★☆☆ |
| Σεπτέμβριος | 20° | 10° | 45 mm | ★★★★☆ |
| Οκτώβριος | 14° | 5° | 90 mm | ★★★☆☆ |
| Νοέμβριος | 4° | -3° | 90 mm | ★★☆☆☆ |
| Δεκέμβριος | -3° | -12° | 97 mm | ★☆☆☆☆ |
Κλίμα type: Subarctic. Πηγή: Open-Meteo archive (ERA5).
Recent extremes in St. Lawrence River
Υψηλόest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How St. Lawrence River compares με 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 |
| Δευtreal | 233 km | 8°C | +2°C warmer | 1076 mm |
| Δευtreal-Trudeau International Airport | 246 km | 8°C | +3°C warmer | 1094 mm |
| Δευt-Tremblant National Park | 255 km | 4°C | 1°C cooler | 1298 mm |
Καλύτερη εποχή για επίσκεψη St. Lawrence River
Go in Σεπτέμβριος. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Ιανουάριος, Μάρτιος and Δεκέμβριος - expect the least comfortable mix of heat, cold or rain.
What this means for St. Lawrence River
Today is cooler than average for Οκτώβριος. The forecast high of 9°C is 5°C below the 14°C typical for this month.
Βροχή is very unlikely today - plans do not need a backup.
Overnight lows near -3°C mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in Ιούνιος έως Αύγουστος.
The gap between the warmest and coldest month averages 31°C.
What έως pack, what έως skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots με grip for ice
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- If your dates are flexible, avoid Ιανουάριος, Μάρτιος and Δεκέμβριος - historically the least comfortable months here.
Περίληψη
St. Lawrence River is a river in Quebec. St. Lawrence River is a river known as the Great Lakes outlet έως the Atlantic.
Αυτή τη στιγμή είναι 1°C (35°F) in St. Lawrence River με Αίθριος. Η αισθητή θερμοκρασία είναι -1°C. Σήμερα η θερμοκρασία κυμαίνεται από -3°C έως 9°C. Η πιθανότητα βροχής είναι 0%. Sightseeing conditions score 7.6/10 - Καλές συνθήκες.
Η καλύτερη εποχή για επίσκεψη στο St. Lawrence River is Σεπτέμβριος. Το κλίμα είναι subarctic. Ιανουάριος, Μάρτιος and Δεκέμβριος tend έως be the least comfortable months. Ιούλιος is the warmest month με average highs near 26°C, while Φεβρουάριος is the coldest με lows near -16°C.
The closest major airport is Δευtreal-Trudeau International Airport (YUL), about 246 km away. Nearby highlights include Baxter State Park, Δευt-Tremblant National Park, Mount Washington and Franconia Notch State Park.
Με απλά λόγια. Today is cooler than average for Οκτώβριος. The forecast high of 9°C is 5°C below the 14°C typical for this month. The best window έως be outside is roughly 2 PM έως 5 PM, when temperature, rain chance and wind line up best. driving is the strongest bet in St. Lawrence River today at 9.9/10. Overnight lows near -3°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
| Τύπος | River |
|---|---|
| State | Quebec |
| Χώρα | Καναδάς |
| Ήπειρος | Βόρεια Αμερική |
| Συντεταγμένες | 46°48′50″N 71°12′28.8″W (46.8139, -71.208) |
| Length | 1.197 km |
| Known for | the Great Lakes outlet έως the Atlantic |
| Τοπική ώρα | 10:29 AM (UTC-04:00) |
| Best months | Σεπτέμβριος |
| Κλίμα | Subarctic |
Καιρός map for St. Lawrence River
Animated model layers. Pick a layer έως load it.
Animated layers by Άνεμοςy. 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.
Κλίμα 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 Βόρεια Αμερική.
What is the weather like in St. Lawrence River τώρα?
It is currently 1°C (35°F) με Αίθριος. Υγρασία is 77% and wind is 2 km/h.
When is the best time έως visit St. Lawrence River?
Σεπτέμβριος offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. Ιανουάριος, Μάρτιος and Δεκέμβριος 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 10:29 AM.
What is the nearest airport έως St. Lawrence River?
The closest airports are Δευtreal-Trudeau International Airport (YUL), 246 km away and Boston Logan International Airport (BOS), 495 km away.
What are the top things έως do in St. Lawrence River?
Popular options include Baxter State Park, Δευt-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. |
|---|---|
| Πρόγνωση and observations | Open-Meteo (ECMWF and national models). |
| Ποιότητα αέρα and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Κλίμα 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 Οκτώβριος 24, 2026 at 10:29 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
