Nepean, Canada Climate
Canada
Pop. 180,000 Elev. 87 m / 285 ft
TZ: America/Toronto (UTC-4) ·
Nepean experiences a wide climate range, from bitterly cold winters of 8°F (-13°C) in February to mild summers reaching 83°F (28°C) in July. Humidity pushes the summer feels-like temperature to 88°F (31°C), while wind chill can drive winter lows to 1°F (-17°C). Precipitation occurs on roughly 49 days per year (28.1 in / 712 mm total), with snow on 12 days and 91 in (2306 mm) of annual accumulation. The city averages 76 sunny days per year and around 20 thunderstorm days. Nearby lake water reaches 70°F (21°C) in summer.
| Temperature | 28°C (83°F) high | -14°C (8°F) low |
| Feels like | 31°C (88°F) high | -17°C (1°F) low |
| Rain | 49 days | 712 mm (28.1 in) /yr |
| Snow | 12 days | 2306 mm (90.8 in) /yr |
| Sky | 76 sunny | 20 stormy |
| Wind | 1.2 m/s (2.6 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
77
Jan 70
Feb 71
Mar 69
Apr 76
May 57
Jun 57
Jul 48
Aug 48
Sep 48
Oct 77
Nov 79
Dec Humidity (%)
68
Jan 70
Feb 65
Mar 61
Apr 67
May 64
Jun 70
Jul 63
Aug 71
Sep 70
Oct 80
Nov 74
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 5 km Ottawa Macdonald-Cartier International Airport (YOW)
Ski resort 11 km
National park 31 km Rideau River Provincial Park
Mountain peak
(1,555 m) 191 km Algonquin Peak
Hospital 6 km The Royal Ottawa Mental Health Centre
Hiking trail 6 km RT Mud Lake Blue Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | -4°C 25°F | -11°C 12°F | 4 mm 0.2 in | 366 mm14.4 in | 2 |
| February | -4°C 25°F | -14°C 8°F | 7 mm 0.3 in | 677 mm26.7 in | 4 |
| March | 6°C 42°F | -5°C 23°F | 68 mm 2.7 in | 357 mm14.1 in | 5 |
| April | 13°C 55°F | 1°C 33°F | 99 mm 3.9 in | 157 mm6.2 in | 4 |
| May | 19°C 67°F | 8°C 47°F | 98 mm 3.9 in | — | 5 |
| June | 25°C 78°F | 14°C 58°F | 85 mm 3.4 in | — | 7 |
| July | 28°C 83°F | 16°C 62°F | 75 mm 3.0 in | — | 5 |
| August | 27°C 80°F | 14°C 57°F | 53 mm 2.1 in | — | 14 |
| September | 23°C 73°F | 10°C 50°F | 43 mm 1.7 in | — | 16 |
| October | 16°C 61°F | 5°C 41°F | 95 mm 3.8 in | — | 11 |
| November | 4°C 39°F | -1°C 29°F | 56 mm 2.2 in | 307 mm12.1 in | 2 |
| December | -2°C 28°F | -11°C 12°F | 29 mm 1.1 in | 440 mm17.3 in | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 0 |
| February | 4 | 0 |
| March | 5 | 1 |
| April | 4 | 2 |
| May | 5 | 1 |
| June | 7 | 4 |
| July | 5 | 5 |
| August | 14 | 3 |
| September | 16 | 2 |
| October | 11 | 2 |
| November | 2 | 0 |
| December | 1 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 0°C 32°F |
| February | 0°C 32°F |
| March | 0°C 32°F |
| April | 2°C 36°F |
| May | 6°C 42°F |
| June | 12°C 53°F |
| July | 20°C 69°F |
| August | 21°C 70°F |
| September | 18°C 65°F |
| October | 13°C 56°F |
| November | 7°C 45°F |
| December | 2°C 35°F |