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

Sliammon in August

The short of it: Sliammon in August averages a high of 22 °C (72 °F) and a low of 13 °C (56 °F), with 48 mm (1.9 in) of rain and about 14 h 27 min of daylight. Rated 4 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 22° · low 13° · rain 48 mm · daylight 14 h 27 min

✦✦✦✦ Recommended for a visit · best months: July & August

Thirty years of records give Sliammon an average August high of 22°, a low of 13° and some 48 mm of rain. Much like July: highs about 22°, nights near 13°. Easy travelling weather. Rain is modest, about 48 mm, the 11th wettest month.

The sun is up for about 14 h 27 min in mid-August, 89 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening. The Almanac rates August 4 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Sliammon runs cooler than most and wetter than most in August. Powell River, 9 km to the SE, sees much the same highs.

August in Sliammon, by the numbers

Warmth rank
2nd warmest of 12
Rain rank
11th wettest of 12
Versus July
about the same, 15 mm more rain
Versus September
4° warmer
Day–night spread
9°
Snow season
seldom any
Daylight, mid-month
14 h 27 min
Average wind
10 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
Powell RiverBritish Columbia9 km SE23°13°46 mm
Myrtle PointBritish Columbia14 km SE23°13°48 mm
ComoxBritish Columbia34 km SW24°13°37 mm
CourtenayBritish Columbia36 km SW24°13°38 mm
RoystonBritish Columbia37 km SW23°12°37 mm
Oyster RiverBritish Columbia38 km W23°12°40 mm
Union BayBritish Columbia40 km SSW23°12°37 mm
Hornby IslandBritish Columbia41 km S23°12°35 mm

The Almanac · Sliammon Month by Month

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

Much like July: highs about 22°, nights near 13°. Easy travelling weather. Rain is modest, about 48 mm, the 11th wettest month.

Climate of Sliammon by month
MonthHighLowRainWindDaylightVisit
January7°3°165 mm12 km/h8 h 32 min✦
February8°2°84 mm10 km/h10 h 1 min✦
March10°3°106 mm12 km/h11 h 44 min✦
April13°5°72 mm12 km/h13 h 42 min✦✦
May17°9°58 mm11 km/h15 h 23 min✦✦✦✦
June19°12°53 mm12 km/h16 h 19 min✦✦✦✦
July23°14°33 mm11 km/h15 h 56 min✦✦✦✦✦
August22°13°48 mm10 km/h14 h 27 min✦✦✦✦
September19°11°62 mm10 km/h12 h 31 min✦✦✦✦
October13°7°130 mm11 km/h10 h 38 min✦✦
November9°4°171 mm12 km/h8 h 57 min✦
December7°2°155 mm12 km/h8 h 7 min✦

Questions Readers Ask about Sliammon in August

Answered from the wire & the Almanac

What is the weather like in Sliammon in August?

Days average 22 °C (72 °F) and nights 13 °C (56 °F), with about 48 mm (1.9 in) of rain over the month. Much like July: highs about 22°, nights near 13°. Easy travelling weather. Rain is modest, about 48 mm, the 11th wettest month.

Is August a good time to visit Sliammon?

The Almanac gives August 4 of 5 (recommended). The best months are July and August.

How long are the days in Sliammon in August?

In mid-August the sun is up for about 14 h 27 min. The days are shortening — from 8 h 7 min in December to 16 h 19 min in June.

Does it snow in Sliammon in August?

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

What should I pack for Sliammon in August?

Light clothes and a jacket for the evening.

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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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