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

Guelph in August

The short of it: Guelph in August averages a high of 25 °C (77 °F) and a low of 14 °C (57 °F), with 84 mm (3.3 in) of rain and about 13 h 58 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 25° · low 14° · rain 84 mm · daylight 13 h 58 min

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

August in Guelph brings afternoons near 25° and nights around 14°, with about 84 mm of rain over the month. Much like July: highs about 25°, nights near 14°. Easy travelling weather. Wet spells are common — about 84 mm, the 3rd wettest month.

The sun is up for about 13 h 58 min in mid-August, 69 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, Guelph runs cooler than most and wetter than most in August. Cambridge, 21 km to the SSW, is 1° warmer by day.

August in Guelph, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
3rd wettest of 12
Versus July
1° colder, 10 mm less rain
Versus September
4° warmer
Day–night spread
11°
Snow season
Nov–Apr
Daylight, mid-month
13 h 58 min
Average wind
11 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
CambridgeOntario21 km SSW26°15°83 mm
WaterlooOntario23 km WSW26°14°82 mm
KitchenerOntario25 km WSW26°14°82 mm
Halton HillsOntario28 km ENE25°14°75 mm
GeorgetownOntario30 km ENE26°15°74 mm
MiltonOntario30 km E26°15°75 mm
BurlingtonOntario38 km ESE25°15°76 mm
WaterdownOntario38 km SE25°15°79 mm

The Almanac · Guelph 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 14°. Easy travelling weather. Wet spells are common — about 84 mm, the 3rd wettest month.

Climate of Guelph by month
MonthHighLowRainWindDaylightVisit
January-3°-10°61 mm16 km/h9 h 17 min✦
February-2°-10°61 mm16 km/h10 h 26 min✦
March3°-5°59 mm15 km/h11 h 48 min✦
April10°1°80 mm16 km/h13 h 22 min✦✦
May18°7°89 mm13 km/h14 h 41 min✦✦✦
June23°12°82 mm12 km/h15 h 24 min✦✦✦
July26°15°94 mm11 km/h15 h 7 min✦✦✦
August25°14°84 mm11 km/h13 h 58 min✦✦✦
September22°11°81 mm12 km/h12 h 26 min✦✦✦
October14°5°79 mm14 km/h10 h 55 min✦✦
November7°-1°81 mm15 km/h9 h 36 min✦
December1°-6°70 mm16 km/h8 h 57 min✦

Questions Readers Ask about Guelph in August

Answered from the wire & the Almanac

What is the weather like in Guelph in August?

Days average 25 °C (77 °F) and nights 14 °C (57 °F), with about 84 mm (3.3 in) of rain over the month. Much like July: highs about 25°, nights near 14°. Easy travelling weather. Wet spells are common — about 84 mm, the 3rd wettest month.

Is August a good time to visit Guelph?

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

How long are the days in Guelph in August?

In mid-August the sun is up for about 13 h 58 min. The days are shortening — from 8 h 57 min in December to 15 h 24 min in June.

Does it snow in Guelph in August?

Hardly — August nights average 14 °C (57 °F), above freezing.

What should I pack for Guelph 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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