Chalk River Weather in August
Chalk River in August
The short of it: Chalk River in August averages a high of 25 °C (77 °F) and a low of 12 °C (54 °F), with 86 mm (3.4 in) of rain and about 14 h 8 min of daylight. Rated 3 of 5 for a visit; the best months are June and August. Source: TerraClimate climate normals, 1991–2020.
Average high 25° · low 12° · rain 86 mm · daylight 14 h 8 min
✦✦✦ Fair for a visit · best months: June & August
Thirty years of records give Chalk River an average August high of 25°, a low of 12° and some 86 mm of rain. Much like July: highs about 25°, nights near 12°. Easy travelling weather. Wet spells are common — about 86 mm, the 4th wettest month.
The sun is up for about 14 h 8 min in mid-August, 76 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 June and August.
Against its neighbours, Chalk River runs cooler than most and drier than most in August. Deep River, 10 km to the NNW, sees much the same highs.
August in Chalk River, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 4th wettest of 12
- Versus July
- 1° colder, 2.0 mm more rain
- Versus September
- 4° warmer
- Day–night spread
- 13°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 14 h 8 min
- Average wind
- 9 km/h
Neighbouring Towns
August averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Deep RiverOntario | 10 km NNW | 25° | 12° | 88 mm |
| PetawawaOntario | 19 km SE | 26° | 12° | 87 mm |
| PembrokeOntario | 34 km SE | 26° | 12° | 92 mm |
| Fort-CoulongeQuebec | 58 km ESE | 25° | 13° | 97 mm |
| EganvilleOntario | 60 km SSE | 25° | 12° | 83 mm |
| CobdenOntario | 61 km SE | 26° | 12° | 88 mm |
| RenfrewOntario | 85 km SE | 26° | 13° | 83 mm |
| ShawvilleQuebec | 88 km ESE | 25° | 13° | 86 mm |