Climate at a glance · Nepean

Annual mean43°day and night

Precipitation37.09 ina year

Warmest monthJulyavg high 80°

Coldest monthJanuaryavg low 5°

Average temperature by month

High · low

22°5°

26°9°

37°19°

53°34°

66°46°

75°55°

80°60°

78°58°

69°49°

55°38°

42°28°

28°14°

JanFebMarAprMayJunJulAugSepOctNovDec

37.09 in a year

2.56 in

2.13 in

2.52 in

2.95 in

3.15 in

3.66 in

3.62 in

3.35 in

3.54 in

3.39 in

3.23 in

2.99 in

JanFebMarAprMayJunJulAugSepOctNovDec

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high	22°	26°	37°	53°	66°	75°	80°	78°	69°	55°	42°	28°
Avg low	5°	9°	19°	34°	46°	55°	60°	58°	49°	38°	28°	14°
Precip, in	2.56	2.13	2.52	2.95	3.15	3.66	3.62	3.35	3.54	3.39	3.23	2.99

Climate normals 1981–2010 · Ottawa Macdonald-cartier Int'l A station (4 km away) · Environment and Climate Change Canada

45.3362°N, 75.7225°W · Elevation 285 ft