Climate at a glance · Cornwall

Annual mean8°day and night

Precipitation1011 mma year

Warmest monthJulyavg high 27°

Coldest monthJanuaryavg low -13°

Average temperature by month

High · low

-4°-13°

-2°-11°

3°-5°

12°2°

19°9°

24°14°

27°17°

26°16°

21°11°

14°5°

7°0°

-1°-8°

JanFebMarAprMayJunJulAugSepOctNovDec

1011 mm a year

76 mm

60 mm

62 mm

81 mm

88 mm

97 mm

99 mm

89 mm

98 mm

93 mm

92 mm

76 mm

JanFebMarAprMayJunJulAugSepOctNovDec

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high	-4°	-2°	3°	12°	19°	24°	27°	26°	21°	14°	7°	-1°
Avg low	-13°	-11°	-5°	2°	9°	14°	17°	16°	11°	5°	0°	-8°
Precip, mm	76	60	62	81	88	97	99	89	98	93	92	76

Climate normals 1981–2010 · Cornwall station (2 km away) · Environment and Climate Change Canada

45.0181°N, 74.7281°W · Elevation 59 m