expatwhy.

Charlottetown weather by month

Charlottetown runs from about -4°C in January to 21°C in July, with March the wettest month at 168 mm.

warmest month

July

21°C

coolest month

January

-4°C

wettest month

March

168 mm

worst air month

July

9 µg/m³

The whole year, month by month.

Monthly climate normals for Charlottetown
MonthAvg tempRainSunPM2.5
January-4°C84 mm142 h3
February-3°C121 mm152 h4
March1°C168 mm175 h5
April4°C51 mm270 h5
May10°C64 mm270 h5
June16°C132 mm275 h5
July21°C85 mm327 h9
August20°C62 mm320 h7
September16°C53 mm263 h4
October11°C63 mm224 h4
November6°C142 mm64 h2
December-1°C77 mm126 h2

About 2,608 hours of sun a year. Roughly 109 rainy days a year.

These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.