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

Saint-Eustache in August

The short of it: Saint-Eustache in August averages a high of 26 °C (78 °F) and a low of 15 °C (59 °F), with 98 mm (3.9 in) of rain and about 14 h 6 min of daylight. Rated 3 of 5 for a visit; the best months are June and September. Source: TerraClimate climate normals, 1991–2020.

Average high 26° · low 15° · rain 98 mm · daylight 14 h 6 min

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

August in Saint-Eustache brings afternoons near 26° and nights around 15°, with about 98 mm of rain over the month. Much like July: highs about 26°, nights near 15°. Easy travelling weather. Wet spells are common — about 98 mm, the 3rd wettest month.

The sun is up for about 14 h 6 min in mid-August, 75 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 September.

Against its neighbours, Saint-Eustache runs about middling and wetter than most in August. Boisbriand, 8 km to the NE, sees much the same highs.

August in Saint-Eustache, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
3rd wettest of 12
Versus July
1° colder, 8.0 mm more rain
Versus September
4° warmer
Day–night spread
11°
Snow season
Nov–Mar
Daylight, mid-month
14 h 6 min
Average wind
10 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
BoisbriandQuebec8 km NE26°15°96 mm
Pierrefonds-RoxboroQuebec9 km SE26°15°96 mm
Dollard-Des OrmeauxQuebec10 km SE26°16°98 mm
Sainte-ThérèseQuebec10 km NE26°15°97 mm
BlainvilleQuebec11 km N25°14°100 mm
PierrefondsQuebec12 km S25°15°96 mm
ChomedeyQuebec13 km ESE26°16°96 mm
Pointe-ClaireQuebec15 km SSE26°16°95 mm

The Almanac · Saint-Eustache Month by Month

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

Much like July: highs about 26°, nights near 15°. Easy travelling weather. Wet spells are common — about 98 mm, the 3rd wettest month.

Climate of Saint-Eustache by month
MonthHighLowRainWindDaylightVisit
January-5°-14°79 mm14 km/h9 h 4 min✦
February-4°-14°60 mm14 km/h10 h 19 min✦
March2°-7°70 mm14 km/h11 h 47 min✦
April10°1°95 mm14 km/h13 h 28 min✦✦
May19°8°93 mm13 km/h14 h 53 min✦✦✦
June24°13°103 mm11 km/h15 h 40 min✦✦✦
July27°16°90 mm11 km/h15 h 21 min✦✦✦
August26°15°98 mm10 km/h14 h 6 min✦✦✦
September22°11°82 mm10 km/h12 h 28 min✦✦✦
October14°5°104 mm13 km/h10 h 50 min✦✦
November6°-1°88 mm13 km/h9 h 25 min✦
December-1°-9°84 mm14 km/h8 h 43 min✦

Questions Readers Ask about Saint-Eustache in August

Answered from the wire & the Almanac

What is the weather like in Saint-Eustache in August?

Days average 26 °C (78 °F) and nights 15 °C (59 °F), with about 98 mm (3.9 in) of rain over the month. Much like July: highs about 26°, nights near 15°. Easy travelling weather. Wet spells are common — about 98 mm, the 3rd wettest month.

Is August a good time to visit Saint-Eustache?

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

How long are the days in Saint-Eustache in August?

In mid-August the sun is up for about 14 h 6 min. The days are shortening — from 8 h 43 min in December to 15 h 40 min in June.

Does it snow in Saint-Eustache in August?

Hardly — August nights average 15 °C (59 °F), above freezing.

What should I pack for Saint-Eustache 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