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

Castlegar in August

The short of it: Castlegar in August averages a high of 29 °C (84 °F) and a low of 11 °C (52 °F), with 26 mm (1.0 in) of rain and about 14 h 24 min of daylight. Rated 5 of 5 for a visit; the best months are September and July. Source: TerraClimate climate normals, 1991–2020.

Average high 29° · low 11° · rain 26 mm · daylight 14 h 24 min

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

Thirty years of records give Castlegar an average August high of 29°, a low of 11° and some 26 mm of rain. The height of summer in Castlegar, with afternoons near 29°. It is the driest month of the year, only 26 mm of rain.

The sun is up for about 14 h 24 min in mid-August, 87 minutes less than a month before.

For the traveller: pack linen, a wide hat and water. The Almanac rates August 5 of 5 for a visit; the finest months here are September and July.

Against its neighbours, Castlegar runs warmer than most and wetter than most in August. Ootischenia, 5 km to the SSE, sees much the same highs.

August in Castlegar, by the numbers

Warmth rank
1st warmest of 12
Rain rank
12th wettest of 12
Versus July
about the same, 6.0 mm less rain
Versus September
7° warmer
Day–night spread
18°
Snow season
Nov–Mar
Daylight, mid-month
14 h 24 min
Average wind
9 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
OotischeniaBritish Columbia5 km SSE29°11°26 mm
GenelleBritish Columbia13 km S28°11°26 mm
FruitvaleBritish Columbia24 km SSE28°10°26 mm
TrailBritish Columbia25 km S29°11°25 mm
WarfieldBritish Columbia26 km SSW29°11°24 mm
MontroseBritish Columbia27 km S30°11°23 mm
RosslandBritish Columbia29 km SSW26°9°27 mm
SalmoBritish Columbia31 km ESE28°9°29 mm

The Almanac · Castlegar Month by Month

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

The height of summer in Castlegar, with afternoons near 29°. It is the driest month of the year, only 26 mm of rain.

Climate of Castlegar by month
MonthHighLowRainWindDaylightVisit
January1°-4°76 mm8 km/h8 h 37 min✦
February4°-4°45 mm8 km/h10 h 3 min✦✦✦
March9°-1°64 mm8 km/h11 h 44 min✦✦
April16°3°54 mm9 km/h13 h 40 min✦✦✦
May21°7°65 mm9 km/h15 h 18 min✦✦✦✦
June24°10°67 mm9 km/h16 h 14 min✦✦✦✦
July29°12°32 mm9 km/h15 h 51 min✦✦✦✦✦
August29°11°26 mm9 km/h14 h 24 min✦✦✦✦✦
September22°8°36 mm8 km/h12 h 31 min✦✦✦✦✦
October13°3°61 mm8 km/h10 h 40 min✦✦✦
November6°1°86 mm8 km/h9 h 1 min✦
December2°-3°83 mm8 km/h8 h 12 min✦

Questions Readers Ask about Castlegar in August

Answered from the wire & the Almanac

What is the weather like in Castlegar in August?

Days average 29 °C (84 °F) and nights 11 °C (52 °F), with about 26 mm (1.0 in) of rain over the month. The height of summer in Castlegar, with afternoons near 29°. It is the driest month of the year, only 26 mm of rain.

Is August a good time to visit Castlegar?

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

How long are the days in Castlegar in August?

In mid-August the sun is up for about 14 h 24 min. The days are shortening — from 8 h 12 min in December to 16 h 14 min in June.

Does it snow in Castlegar in August?

Hardly — August nights average 11 °C (52 °F), above freezing.

What should I pack for Castlegar in August?

Linen, a wide hat, sun cream and water.

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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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