Nepean Weather in May
Nepean in May
The short of it: Nepean in May averages a high of 19 °C (66 °F) and a low of 7 °C (45 °F), with 85 mm (3.3 in) of rain and about 14 h 52 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 19° · low 7° · rain 85 mm · daylight 14 h 52 min
✦✦✦ Fair for a visit · best months: September & June
May in Nepean brings afternoons near 19° and nights around 7°, with about 85 mm of rain over the month. Spring takes hold here: highs climb 8° from April to about 19°, with nights near 7°. Wet spells are common — about 85 mm, the 5th wettest month. The snow cover usually melts away this month.
The sun is up for about 14 h 52 min in mid-May, 85 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are September and June.
Against its neighbours, Nepean runs cooler than most and drier than most in May. Ottawa South, 7 km to the NNE, sees much the same highs.
May in Nepean, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus April
- 8° warmer, 7.0 mm more rain
- Versus June
- 5° colder
- Day–night spread
- 12°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 14 h 52 min
- Average wind
- 12 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Ottawa SouthOntario | 7 km NNE | 19° | 8° | 87 mm |
| GloucesterOntario | 7 km ENE | 19° | 7° | 87 mm |
| Alta VistaOntario | 8 km NE | 19° | 8° | 88 mm |
| HintonburgOntario | 8 km N | 19° | 7° | 85 mm |
| Blossom ParkOntario | 8 km E | 19° | 7° | 87 mm |
| The GlebeOntario | 8 km NNE | 19° | 8° | 87 mm |
| OttawaOntario | 9 km NNE | 19° | 8° | 87 mm |
| Bells CornersOntario | 9 km WSW | 18° | 7° | 82 mm |