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

Smiths Falls in August

The short of it: Smiths Falls in August averages a high of 25 °C (78 °F) and a low of 14 °C (58 °F), with 83 mm (3.3 in) of rain and about 14 h 3 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 83 mm · daylight 14 h 3 min

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

August in Smiths Falls brings afternoons near 25° and nights around 14°, with about 83 mm of rain over the month. Much like July: highs about 25°, nights near 14°. Easy travelling weather. Wet spells are common — about 83 mm, the 5th wettest month.

The sun is up for about 14 h 3 min in mid-August, 73 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, Smiths Falls runs cooler than most and wetter than most in August. Perth, 18 km to the W, sees much the same highs.

August in Smiths Falls, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
5th wettest of 12
Versus July
1° colder, 9.0 mm less rain
Versus September
4° warmer
Day–night spread
11°
Snow season
Nov–Apr
Daylight, mid-month
14 h 3 min
Average wind
10 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
PerthOntario18 km W25°14°78 mm
Carleton PlaceOntario27 km NNW25°14°78 mm
AlmonteOntario39 km NNW25°14°78 mm
Mississippi MillsOntario39 km NNW25°14°78 mm
StittsvilleOntario39 km NNE26°14°86 mm
BrockvilleOntario44 km SE25°15°94 mm
BridlewoodOntario44 km NNE26°14°86 mm
Glen CairnOntario45 km NNE26°14°88 mm

The Almanac · Smiths Falls 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 83 mm, the 5th wettest month.

Climate of Smiths Falls by month
MonthHighLowRainWindDaylightVisit
January-5°-14°69 mm14 km/h9 h 8 min✦
February-3°-13°55 mm14 km/h10 h 21 min✦
March2°-7°60 mm14 km/h11 h 47 min✦
April10°0°79 mm14 km/h13 h 26 min✦✦
May18°7°80 mm13 km/h14 h 49 min✦✦✦
June23°12°90 mm10 km/h15 h 35 min✦✦✦
July26°15°92 mm10 km/h15 h 16 min✦✦✦
August25°14°83 mm10 km/h14 h 3 min✦✦✦
September21°10°87 mm11 km/h12 h 27 min✦✦✦
October14°4°90 mm13 km/h10 h 52 min✦✦
November7°-2°78 mm14 km/h9 h 29 min✦
December-1°-8°69 mm14 km/h8 h 48 min✦

Questions Readers Ask about Smiths Falls in August

Answered from the wire & the Almanac

What is the weather like in Smiths Falls in August?

Days average 25 °C (78 °F) and nights 14 °C (58 °F), with about 83 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 83 mm, the 5th wettest month.

Is August a good time to visit Smiths Falls?

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

How long are the days in Smiths Falls in August?

In mid-August the sun is up for about 14 h 3 min. The days are shortening — from 8 h 48 min in December to 15 h 35 min in June.

Does it snow in Smiths Falls in August?

Hardly — August nights average 14 °C (58 °F), above freezing.

What should I pack for Smiths Falls 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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