Climate at a glance · Cornwall

Annual mean46°day and night

Precipitation39.80 ina year

Warmest monthJulyavg high 81°

Coldest monthJanuaryavg low 9°

Average temperature by month

High · low

24°9°

28°13°

38°22°

53°36°

67°47°

76°57°

81°62°

78°60°

70°52°

56°41°

44°31°

31°19°

JanFebMarAprMayJunJulAugSepOctNovDec

39.80 in a year

2.99 in

2.36 in

2.44 in

3.19 in

3.46 in

3.82 in

3.90 in

3.50 in

3.86 in

3.66 in

3.62 in

2.99 in

JanFebMarAprMayJunJulAugSepOctNovDec

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high	24°	28°	38°	53°	67°	76°	81°	78°	70°	56°	44°	31°
Avg low	9°	13°	22°	36°	47°	57°	62°	60°	52°	41°	31°	19°
Precip, in	2.99	2.36	2.44	3.19	3.46	3.82	3.90	3.50	3.86	3.66	3.62	2.99

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

45.0181°N, 74.7281°W · Elevation 194 ft