The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Shawinigan Weather in August

Shawinigan in August

The short of it: Shawinigan in August averages a high of 25 °C (76 °F) and a low of 13 °C (56 °F), with 112 mm (4.4 in) of rain and about 14 h 10 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 13° · rain 112 mm · daylight 14 h 10 min

✦✦✦ Fair for a visit · best months: June & August

Thirty years of records give Shawinigan an average August high of 25°, a low of 13° and some 112 mm of rain. Much like July: highs about 25°, nights near 13°. Easy travelling weather. Wet spells are common — about 112 mm, the 2nd wettest month.

The sun is up for about 14 h 10 min in mid-August, 78 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, Shawinigan runs warmer than most and wetter than most in August. Hérouxville, 15 km to the NE, is 1° cooler by day.

August in Shawinigan, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
2nd wettest of 12
Versus July
1° colder, 6.0 mm more rain
Versus September
5° warmer
Day–night spread
11°
Snow season
Nov–Apr
Daylight, mid-month
14 h 10 min
Average wind
8 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
HérouxvilleQuebec15 km NE24°13°109 mm
Saint-Élie-de-CaxtonQuebec19 km WSW24°13°124 mm
Saint-NarcisseQuebec21 km E24°13°112 mm
Saint-TiteQuebec23 km NE24°12°110 mm
Trois-RivièresQuebec29 km SSE26°14°112 mm
Sainte-CatherineQuebec31 km SSE26°15°111 mm
Sainte-Geneviève-de-BatiscanQuebec32 km E24°13°110 mm
YamachicheQuebec32 km S25°14°108 mm

The Almanac · Shawinigan Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
August
✦✦✦✦✦

Much like July: highs about 25°, nights near 13°. Easy travelling weather. Wet spells are common — about 112 mm, the 2nd wettest month.

Climate of Shawinigan by month
MonthHighLowRainWindDaylightVisit
January-7°-18°71 mm10 km/h8 h 57 min✦
February-5°-17°65 mm11 km/h10 h 15 min✦
March1°-10°69 mm11 km/h11 h 46 min✦
April9°-2°90 mm11 km/h13 h 31 min✦
May18°5°93 mm11 km/h14 h 59 min✦✦✦
June23°11°109 mm9 km/h15 h 48 min✦✦✦
July25°14°106 mm8 km/h15 h 28 min✦✦✦
August25°13°112 mm8 km/h14 h 10 min✦✦✦
September20°9°98 mm8 km/h12 h 28 min✦✦✦
October12°3°116 mm10 km/h10 h 48 min✦✦
November5°-3°88 mm10 km/h9 h 19 min✦
December-2°-11°99 mm10 km/h8 h 35 min✦

Questions Readers Ask about Shawinigan in August

Answered from the wire & the Almanac

What is the weather like in Shawinigan in August?

Days average 25 °C (76 °F) and nights 13 °C (56 °F), with about 112 mm (4.4 in) of rain over the month. Much like July: highs about 25°, nights near 13°. Easy travelling weather. Wet spells are common — about 112 mm, the 2nd wettest month.

Is August a good time to visit Shawinigan?

The Almanac gives August 3 of 5 (fair). The best months are June and August.

How long are the days in Shawinigan in August?

In mid-August the sun is up for about 14 h 10 min. The days are shortening — from 8 h 35 min in December to 15 h 48 min in June.

Does it snow in Shawinigan in August?

Hardly — August nights average 13 °C (56 °F), above freezing.

What should I pack for Shawinigan in August?

Light clothes and a jacket for the evening, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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