Temperature
Pleasant by day, brisk at night.
Anticosti Island is most comfortable in summer and early autumn. Summers are mild and winters are cold. Humidity is usually low.

Pleasant by day, brisk at night.
Moderate rain risk, mostly light.
A mix of sunshine and cloud.
It rarely feels hot, though humidity can be noticeable during rainy periods.
In August, afternoons feel about 65° and nights feel near 52°.
Partly cloudy across the month.
August late afternoons are around 68°F, easing to about 61°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Anticosti Island with Capri.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology