Nepean Weather in August
Nepean in August
The short of it: Nepean in August averages a high of 26 °C (79 °F) and a low of 15 °C (59 °F), with 92 mm (3.6 in) of rain and about 14 h 5 min of daylight. Rated 3 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 26° · low 15° · rain 92 mm · daylight 14 h 5 min
✦✦✦ Fair for a visit · best months: September & June
August in Nepean brings afternoons near 26° and nights around 15°, with about 92 mm of rain over the month. Much like July: highs about 26°, nights near 15°. Easy travelling weather. Wet spells are common — about 92 mm, the 2nd wettest month.
The sun is up for about 14 h 5 min in mid-August, 74 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates August 3 of 5 for a visit; the finest months here are September and June.
Against its neighbours, Nepean runs about middling and wetter than most in August. Ottawa South, 7 km to the NNE, sees much the same highs.
August in Nepean, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus July
- 1° colder, 7.0 mm less rain
- Versus September
- 4° warmer
- Day–night spread
- 11°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 14 h 5 min
- Average wind
- 9 km/h
Neighbouring Towns
August averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Ottawa SouthOntario | 7 km NNE | 26° | 15° | 92 mm |
| GloucesterOntario | 7 km ENE | 26° | 15° | 92 mm |
| Alta VistaOntario | 8 km NE | 26° | 15° | 93 mm |
| HintonburgOntario | 8 km N | 26° | 15° | 91 mm |
| Blossom ParkOntario | 8 km E | 26° | 15° | 92 mm |
| The GlebeOntario | 8 km NNE | 26° | 15° | 92 mm |
| OttawaOntario | 9 km NNE | 26° | 15° | 92 mm |
| Bells CornersOntario | 9 km WSW | 26° | 15° | 88 mm |