Climate at a glance · Cornwall
Annual mean6°day and night
Precipitation1159 mma year
Warmest monthJulyavg high 23°
Coldest monthJanuaryavg low -12°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1159 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | -3° | -3° | 1° | 7° | 14° | 19° | 23° | 23° | 19° | 12° | 6° | 1° |
| Avg low | -12° | -12° | -7° | -1° | 4° | 10° | 14° | 14° | 10° | 4° | -1° | -7° |
| Precip, mm | 101 | 83 | 86 | 84 | 91 | 99 | 80 | 96 | 96 | 112 | 113 | 118 |
Climate normals 1981–2010 · Charlottetown A station (10 km away) · Environment and Climate Change Canada
46.2265°N, 63.2181°W · Elevation 15 m