Climate at a glance · Cornwall
Annual mean42°day and night
Precipitation45.63 ina year
Warmest monthJulyavg high 74°
Coldest monthJanuaryavg low 10°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
45.63 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 26° | 27° | 34° | 45° | 58° | 67° | 74° | 73° | 65° | 54° | 43° | 33° |
| Avg low | 10° | 11° | 19° | 30° | 39° | 49° | 57° | 57° | 49° | 40° | 31° | 19° |
| Precip, in | 3.98 | 3.27 | 3.39 | 3.31 | 3.58 | 3.90 | 3.15 | 3.78 | 3.78 | 4.41 | 4.45 | 4.65 |
Climate normals 1981–2010 · Charlottetown A station (10 km away) · Environment and Climate Change Canada
46.2265°N, 63.2181°W · Elevation 49 ft