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

Mattawa in August

The short of it: Mattawa in August averages a high of 24 °C (76 °F) and a low of 12 °C (54 °F), with 104 mm (4.1 in) of rain and about 14 h 9 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 24° · low 12° · rain 104 mm · daylight 14 h 9 min

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

August in Mattawa brings afternoons near 24° and nights around 12°, with about 104 mm of rain over the month. Much like July: highs about 24°, nights near 12°. Easy travelling weather. It is the wettest month of the year here, about 104 mm.

The sun is up for about 14 h 9 min in mid-August, 77 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, Mattawa runs warmer than most and about as wet in August. Callander, 52 km to the WSW, sees much the same highs.

August in Mattawa, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
1st wettest of 12
Versus July
1° colder, 10 mm more rain
Versus September
4° warmer
Day–night spread
12°
Snow season
Nov–Apr
Daylight, mid-month
14 h 9 min
Average wind
10 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
CallanderOntario52 km WSW24°13°96 mm
TémiscamingQuebec54 km NW24°12°107 mm
Notre-Dame-du-LacQuebec55 km NNW23°12°110 mm
North BayOntario59 km W24°14°97 mm
PowassanOntario59 km WSW24°12°96 mm
South RiverOntario75 km SW23°12°96 mm
SundridgeOntario82 km SW23°13°96 mm
Sturgeon FallsOntario94 km W24°13°96 mm

The Almanac · Mattawa Month by Month

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

Much like July: highs about 24°, nights near 12°. Easy travelling weather. It is the wettest month of the year here, about 104 mm.

Climate of Mattawa by month
MonthHighLowRainWindDaylightVisit
January-7°-17°57 mm11 km/h8 h 59 min✦
February-5°-17°56 mm11 km/h10 h 16 min✦
March1°-11°42 mm12 km/h11 h 46 min✦✦
April9°-2°70 mm12 km/h13 h 30 min✦✦
May18°4°74 mm12 km/h14 h 58 min✦✦✦
June23°10°86 mm10 km/h15 h 46 min✦✦✦
July25°13°94 mm9 km/h15 h 26 min✦✦✦
August24°12°104 mm10 km/h14 h 9 min✦✦✦
September20°8°97 mm10 km/h12 h 28 min✦✦✦
October12°3°90 mm12 km/h10 h 48 min✦✦
November4°-3°78 mm12 km/h9 h 20 min✦
December-3°-11°71 mm11 km/h8 h 37 min✦

Questions Readers Ask about Mattawa in August

Answered from the wire & the Almanac

What is the weather like in Mattawa in August?

Days average 24 °C (76 °F) and nights 12 °C (54 °F), with about 104 mm (4.1 in) of rain over the month. Much like July: highs about 24°, nights near 12°. Easy travelling weather. It is the wettest month of the year here, about 104 mm.

Is August a good time to visit Mattawa?

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

How long are the days in Mattawa in August?

In mid-August the sun is up for about 14 h 9 min. The days are shortening — from 8 h 37 min in December to 15 h 46 min in June.

Does it snow in Mattawa in August?

Hardly — August nights average 12 °C (54 °F), above freezing.

What should I pack for Mattawa 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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