St. Lawrence River المناخ and Average الطقس
المناخ of St. Lawrence River: average temperatures, rainfall and seasons month by month.
المناخ in St. Lawrence River month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| الشهر | Avg high | Avg low | مطرfall | Rating |
|---|---|---|---|---|
| يناير | -6° | -15° | 69 mm | ★★☆☆☆ |
| فبراير | -5° | -16° | 50 mm | ★★☆☆☆ |
| مارس | 1° | -9° | 105 mm | ★★☆☆☆ |
| أبريل | 9° | -1° | 124 mm | ★★☆☆☆ |
| ماي | 17° | 7° | 127 mm | ★★★☆☆ |
| يونيو | 23° | 12° | 176 mm | ★★★☆☆ |
| يوليو | 26° | 16° | 129 mm | ★★★★☆ |
| أغسطس | 24° | 14° | 165 mm | ★★★☆☆ |
| سبتمبر | 20° | 10° | 45 mm | ★★★★☆ |
| أكتوبر | 14° | 5° | 90 mm | ★★★☆☆ |
| نوفمبر | 4° | -3° | 90 mm | ★★☆☆☆ |
| ديسمبر | -3° | -12° | 97 mm | ★☆☆☆☆ |
المناخ type: Subarctic. المصدر: Open-Meteo archive (ERA5).
Recent extremes in St. Lawrence River
مرتفعest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How St. Lawrence River compares مع 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 |
| الإثنينtreal | 233 km | 8°C | +2°C warmer | 1076 mm |
| الإثنينtreal-Trudeau International Airport | 246 km | 8°C | +3°C warmer | 1094 mm |
| الإثنينt-Tremblant National Park | 255 km | 4°C | 1°C cooler | 1298 mm |
أفضل وقت للزيارة St. Lawrence River
Go in سبتمبر. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: يناير, مارس and ديسمبر - expect the least comfortable mix of heat, cold or rain.
What this means for St. Lawrence River
Today is slightly cooler than average for أكتوبر. The forecast high of 11°C is 3.1°C below the 14°C typical for this month.
مطر is very unlikely today - plans do not need a backup.
Overnight lows near 0°C mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in يونيو و أغسطس.
The gap between the warmest and coldest month averages 31°C.
What و pack, what و skip
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid يناير, مارس and ديسمبر - historically the least comfortable months here.
الملخص
St. Lawrence River is a river in Quebec. St. Lawrence River is a river known as the Great Lakes outlet و the Atlantic.
درجة الحرارة الآن 5°C (41°F) in St. Lawrence River مع صافٍ. المحسوسة 2°C. تتراوح درجات الحرارة اليوم بين 0°C و 11°C. احتمال هطول الأمطار 0%. Sightseeing conditions score 8.1/10 - ظروف جيدة.
أفضل وقت لزيارة St. Lawrence River is سبتمبر. المناخ subarctic. يناير, مارس and ديسمبر tend و be the least comfortable months. يوليو is the warmest month مع average highs near 26°C, while فبراير is the coldest مع lows near -16°C.
The closest major airport is الإثنينtreal-Trudeau International Airport (YUL), about 246 km away. Nearby highlights include Baxter State Park, الإثنينt-Tremblant National Park, Mount Washington and Franconia Notch State Park.
باختصار. Today is slightly cooler than average for أكتوبر. The forecast high of 11°C is 3.1°C below the 14°C typical for this month. The best window و be outside is roughly 2 PM و 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 0°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
| النوع | River |
|---|---|
| State | Quebec |
| الدولة | كندا |
| القارة | أمريكا الشمالية |
| الإحداثيات | 46°48′50″N 71°12′28.8″W (46.8139, -71.208) |
| Length | 1.197 km |
| Known for | the Great Lakes outlet و the Atlantic |
| التوقيت المحلي | 8:09 PM (UTC-04:00) |
| Best months | سبتمبر |
| المناخ | Subarctic |
الطقس map for St. Lawrence River
Animated model layers. Pick a layer و load it.
Animated layers by الرياحy. 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.
المناخ 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 أمريكا الشمالية.
What is the weather like in St. Lawrence River الآن?
It is currently 5°C (41°F) مع صافٍ. الرطوبة is 64% and wind is 4 km/h.
When is the best time و visit St. Lawrence River?
سبتمبر offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. يناير, مارس and ديسمبر 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 8:09 PM.
What is the nearest airport و St. Lawrence River?
The closest airports are الإثنينtreal-Trudeau International Airport (YUL), 246 km away and Boston Logan International Airport (BOS), 495 km away.
What are the top things و do in St. Lawrence River?
Popular options include Baxter State Park, الإثنينt-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. |
|---|---|
| التوقعات and observations | Open-Meteo (ECMWF and national models). |
| جودة الهواء and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| المناخ 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 أكتوبر 21, 2026 at 8:09 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
