St. Lawrence River Klima and Average Wetter
Klima of St. Lawrence River: average temperatures, rainfall and seasons month by month.
Klima in St. Lawrence River month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Monat | Durchschnittliches Maximum | Durchschnittliches Minimum | Niederschlag | Bewertung |
|---|---|---|---|---|
| Januar | -6° | -15° | 69 mm | ★★☆☆☆ |
| Februar | -5° | -16° | 50 mm | ★★☆☆☆ |
| März | 1° | -9° | 105 mm | ★★☆☆☆ |
| April | 9° | -1° | 124 mm | ★★☆☆☆ |
| Mai | 17° | 7° | 127 mm | ★★★☆☆ |
| Juni | 23° | 12° | 176 mm | ★★★☆☆ |
| Juli | 26° | 16° | 129 mm | ★★★★☆ |
| August | 24° | 14° | 165 mm | ★★★☆☆ |
| September | 20° | 10° | 45 mm | ★★★★☆ |
| Oktober | 14° | 5° | 90 mm | ★★★☆☆ |
| November | 4° | -3° | 90 mm | ★★☆☆☆ |
| Dezember | -3° | -12° | 97 mm | ★☆☆☆☆ |
Klima type: Subarctic. Quelle: Open-Meteo archive (ERA5).
Recent extremes in St. Lawrence River
Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How St. Lawrence River compares mit 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 |
| Mo.treal | 233 km | 8°C | +2°C warmer | 1076 mm |
| Mo.treal-Trudeau International Airport | 246 km | 8°C | +3°C warmer | 1094 mm |
| Mo.t-Tremblant National Park | 255 km | 4°C | 1°C cooler | 1298 mm |
Beste Reisezeit St. Lawrence River
Go in September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Januar, März and Dezember – 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 mit the 14°C typical for this month.
A 81% chance means rain is expected over most of the area. Plan indoor alternatives.
Böen und 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 und August.
The gap between the warmest and coldest month averages 31°C.
What und pack, what und 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 während gusts stay above 55 km/h.
- If your dates are flexible, avoid Januar, März and Dezember – historically the least comfortable months here.
Zusammenfassung
St. Lawrence River is a river in Quebec. St. Lawrence River is a river known as the Great Lakes outlet und the Atlantic.
Aktuell sind es 6°C (43°F) in St. Lawrence River mit Überwiegend klar. Die gefühlte Temperatur beträgt 2°C. Heute liegen die Temperaturen zwischen 5°C und 13°C. Die Niederschlagswahrscheinlichkeit beträgt 81%. Die Bedingungen für Besichtigungen erreichen 5.8/10 – ordentlich — wetter beachten.
Die beste Reisezeit für St. Lawrence River is September. Das Klima ist subarctic. Januar, März and Dezember sind meist die ungemütlichsten Mo.ate. Juli ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 26°C, während Februar ist der kälteste Mo.at mit Tiefstwerten um -16°C.
Der nächstgelegene große Flughafen ist Mo.treal-Trudeau International Airport (YUL), about 246 km away. Zu den Sehenswürdigkeiten in der Nähe gehören Baxter State Park, Mo.t-Tremblant National Park, Mount Washington and Franconia Notch State Park.
Kurz gesagt. Today is about average for Oktober. The forecast high of 13°C is in line mit the 14°C typical for this month. The best window und be outside is roughly 12 PM und 3 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in St. Lawrence River today at 8.5/10. Böen und 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
| Typ | River |
|---|---|
| State | Quebec |
| Land | Kanada |
| Kontinent | Nordamerika |
| Koordinaten | 46°48′50″N 71°12′28.8″W (46.8139, -71.208) |
| Length | 1.197 km |
| Known for | the Great Lakes outlet und the Atlantic |
| Ortszeit | 8:38 PM (UTC-04:00) |
| Beste Monate | September |
| Klima | Subarctic |
Wetter map for St. Lawrence River
Animated model layers. Pick a layer und 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.
Klima 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 Nordamerika.
What is the weather like in St. Lawrence River jetzt?
It is currently 6°C (43°F) mit Überwiegend klar. Luftfeuchtigkeit is 72% and wind is 18 km/h.
When is the best time und visit St. Lawrence River?
September offer the most comfortable conditions in St. Lawrence River, which has a subarctic climate. Januar, März and Dezember 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 Ortszeit is 8:38 PM.
What is the nearest airport und St. Lawrence River?
The closest airports are Mo.treal-Trudeau International Airport (YUL), 246 km away and Boston Logan International Airport (BOS), 495 km away.
What are the top things und do in St. Lawrence River?
Popular options include Baxter State Park, Mo.t-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. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 8:38 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
