Climate & Weather Guide in Saint-Pierre And Miquelon

Climate zones, seasonal temperatures, rainfall patterns, and best travel times

Saint-Pierre and Miquelon has a cold, windy maritime climate shaped by the North Atlantic and the cold Labrador Current. The islands experience cool to cold summers, long damp winters, frequent fog, and rapidly changing weather, with precipitation spread through the year and snow common in winter. The territory is small and geographically homogeneous, so climate differences across the archipelago are limited. For residents and expats, the main appeal is the fresh coastal setting and moderate summer warmth, while the main challenges are strong winds, high humidity, and a long cold season. Köppen sources variously classify the climate as subarctic or cold oceanic, with Dfc/Cfc transitional traits.

Summer Average

12-16°C

Winter Average

-4-2°C

Climate Types

Subarctic and Oceanic

Annual Rainfall

1290-1312 mm

Sunshine Hours

1,300-1,400 hrs/yr

Average Humidity

80-85%

Regional Climate Variations

Saint-Pierre Island

Saint-Pierre Island has the mildest conditions in the territory, but it is still distinctly cool, windy, and humid for most of the year. Summers are short and comfortable rather than hot, while winters are cold enough for regular snow and freezing nights. Weather can change quickly because of the maritime setting, and fog is common, especially when warm and cold air masses meet over the surrounding waters. For expats, this means a damp coastal environment with limited heat, but also fewer extremes than inland continental climates.

Summer:12-16°C

Winter:-3-2°C

High rainfall

Cool maritime air, frequent fog, brisk winds, and a persistent damp feel that keeps the landscape green but the weather variable.

Miquelon-Langlade

Miquelon-Langlade is slightly more exposed and often feels harsher than Saint-Pierre, with stronger winds, more winter snow, and a cooler overall maritime influence. Summer temperatures remain modest, and even in the warmest months the air can feel chilly when sea breezes strengthen. Winter conditions are long and unsettled, with rain, snow, and fog often alternating within the same week. Residents who prefer a rugged, coastal environment may appreciate the scenery, but they should expect a climate that rewards good insulation and weather-ready routines.

Summer:11-15°C

Winter:-4-1°C

High rainfall

Exposed Atlantic weather, wet and windy seasons, cool summers, and a cold winter feel reinforced by sea spray and fog.

Saint-Pierre and Miquelon offers a small, fairly uniform maritime climate with cool summers, cold damp winters, frequent fog, and strong winds. It can suit residents and expats who prefer a quiet coastal lifestyle and do not mind long winters, limited summer heat, and changeable weather throughout the year.

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