Saanich Weather in August (1981–2025)

📍 48.48°N, 123.38°W •
📊

August at a Glance in Saanich

(1981–2025)
Avg High
🔥
21.1°C
Avg Low
❄️
13.7°C
Avg Temp
🌡️
17.4°C
Avg Rain
🌧️
29 mm
Avg Humidity
💧
74%
Avg Wind
🌬️
1.7 m/s
Avg Solar
☀️
5.5
kWh/m²/day
vs Annual
📈
+6.9°C
temp difference
🌤️Mild afternoons🌤️Cool mornings☀️Very sunny🌦️Some rain🍃Light winds😊Comfortable humidity

Saanich August Weather Overview

August is one of the warmer months of the year in Saanich, with average highs near 21.1°C and lows around 13.7°C (mean 17.4°C). It is one of the drier months, averaging 29 mm of rainfall and 74% relative humidity across the period.

Saanich August Temperature History (1981–2025)

Range

August is one of the warmer months of the year in Saanich. Across 45 years of records, the warmest Augusts in Saanich were 1981 and 2022 — when the month averaged 18.8°C — while the coldest was 1995 at 15.4°C. Typical August days reach 21.1°C with nights near 13.7°C. The long-term August temperature trend is broadly flat.

1981–1985 vs 2021–2025

Avg Temp17.0°C→17.5°C+0.5°C
Max Temp20.9°C→21.0°C+0.1°C
Min Temp13.2°C→13.9°C+0.7°C

Trend (per decade)

Avg Temp+0.1°C/decade ↗
Max Temp0°C/decade →
Min Temp+0.1°C/decade ↗

Distribution of Avg Temp

15.0°C–16.0°C1 yr (2%)
16.0°C–17.0°C16 yr (36%)
17.0°C–18.0°C15 yr (33%)
18.0°C–19.0°C13 yr (29%)

Saanich August Rainfall History (1981–2025)

Range

August is one of the drier months in Saanich, averaging 29 mm of rainfall. The wettest August on record was 2004 with 94 mm, while the driest was 1986 at 2 mm.

Saanich August Humidity History (1981–2025)

Range

Relative humidity in Saanich during August averages 74%. The most humid August was 2025 at 83%, and the least humid was 1985 at 68%.

Saanich August Solar History (1981–2025)

Range

August receives about 5.5 kWh/m²/day of solar energy in Saanich. The sunniest Augusts were 1998 and 2006 at 6.1 kWh/m²/day, and the cloudiest were 1991 and 1995 at 4.9.

Saanich August Wind History (1981–2025)

Range

Average wind speed in Saanich during August is 1.7 m/s. The windiest Augusts were 1991 and 2021 at 2.1 m/s, while the calmest were 1992, 2008 and 2009, among others at 1.5 m/s.

What August Feels Like in Saanich

🌅
Cool
Morning
🌞
Mild
Afternoon
🌆
Cool
Evening
Rain chanceLow
Outdoor comfort★★★★★

How August Ranks in Saanich

🔥1st warmest month of the year
🌵2nd driest month of the year
☀️4th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Saanich Weather by Month

Saanich August Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp17.1°C17.5°C17.2°C17.7°C17.4°C+0.3°C
Avg High21.0°C21.1°C21.0°C21.5°C21.0°C0°C
Avg Low13.1°C14.0°C13.5°C13.9°C13.8°C+0.7°C
Avg Rain22 mm36 mm31 mm23 mm37 mm+16 mm

Extreme August Records in Saanich

🔥Warmest August33.6°C1981
🧊Coldest August9.7°C2008
🌧️Wettest August94 mm2004
🏜️Driest August2 mm1986
🌬️Windiest August2.1 m/s1991

Key Insights for August

✅

August temperatures in Saanich have risen by about 0.5°C between 1981–1985 and 2021–2025.

✅

August has ranged from a record low of 9.7°C (2008) to a record high of 33.6°C (1981).

✅

Rainfall in August is one of the drier months, averaging 29 mm, with a wettest year of 94 mm.

Is August a Good Time to Visit Saanich?

One of the best times to visit Saanich

August is one of the best times to visit Saanich. Expect days averaging 21.1°C and nights around 13.7°C (mean 17.4°C) — warmer than Saanich's yearly average — with low rainfall (29 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Saanich's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Saanich Weather in August — In Depth

☀️ August climate overview

August is one of the warmer months of the year in Saanich, with average highs near 21.1°C and lows around 13.7°C (mean 17.4°C). It is one of the drier months, averaging 29 mm of rainfall and 74% relative humidity across the period.

🌧️ Rain, humidity & wind in August

August averages 29 mm of rainfall in Saanich, one of the drier months compared with the rest of the year. The wettest August on record saw 94 mm (2004), and the driest just 2 mm (1986). Humidity sits around 74% and average wind speed is 1.7 m/s, with solar radiation averaging 5.5 kWh/m²/day.

📈 How August has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.5°C. Daytime highs moved from 20.9°C to 21°C and overnight lows from 13.2°C to 13.9°C over the same span.
August Weather in Saanich, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202519.4°C16.2°C13.0°C25.6°C11.0°C66 mm83%1.6 m/s5.4
202420.4°C16.9°C13.5°C25.9°C10.7°C75 mm79%1.6 m/s5
202321.7°C18.0°C14.2°C28.1°C12.1°C28 mm76%1.9 m/s5.5
202222.6°C18.8°C15.0°C27.0°C12.6°C11 mm76%1.7 m/s6
202121.1°C17.5°C14.0°C27.8°C11.2°C15 mm75%2.1 m/s5.3
202020.6°C16.9°C13.2°C29.8°C11.2°C30 mm76%1.9 m/s5.9
201921.5°C17.8°C14.2°C26.3°C12.2°C22 mm74%1.7 m/s5.3
201821.7°C18.0°C14.2°C28.9°C11.5°C12 mm72%1.7 m/s5.3
201722.2°C18.3°C14.4°C28.1°C11.7°C11 mm75%1.9 m/s5.9
201622.1°C18.3°C14.5°C29.8°C12.1°C14 mm73%1.8 m/s5.8
201521.7°C18.1°C14.5°C28.4°C12.2°C45 mm72%2 m/s5.4
201422.3°C18.4°C14.4°C27.6°C12.6°C46 mm74%1.8 m/s5.5
201321.3°C17.5°C13.8°C25.9°C11.5°C34 mm77%1.6 m/s5
201221.4°C17.6°C13.7°C30.0°C10.7°C4 mm73%1.6 m/s5.5
201120.0°C16.3°C12.6°C24.2°C10.7°C9 mm76%1.9 m/s5.7
201020.8°C16.9°C13.1°C29.2°C10.6°C29 mm73%1.8 m/s5.4
200920.6°C16.9°C13.2°C26.9°C11.2°C21 mm73%1.5 m/s5.2
200820.2°C16.7°C13.2°C26.4°C9.7°C62 mm74%1.5 m/s5
200719.9°C16.6°C13.3°C24.4°C11.6°C14 mm75%1.6 m/s5.2
200621.0°C17.0°C13.0°C24.6°C11.5°C4 mm72%1.9 m/s6.1
200521.9°C17.9°C13.8°C26.9°C11.8°C26 mm72%1.7 m/s6
2004 🌧️22.1°C18.3°C14.5°C28.9°C13.1°C94 mm75%1.8 m/s5.2
200321.9°C18.1°C14.3°C25.0°C11.6°C10 mm71%1.9 m/s5.8
200221.2°C17.1°C13.1°C27.9°C11.2°C6 mm73%1.9 m/s5.9
200121.0°C17.4°C13.7°C27.3°C11.8°C51 mm76%1.7 m/s5
200019.9°C16.4°C12.9°C24.8°C11.0°C19 mm75%1.8 m/s5.7
199920.5°C17.3°C14.0°C24.1°C10.9°C50 mm79%1.6 m/s5.2
199821.8°C17.9°C14.0°C27.4°C12.1°C4 mm75%2 m/s6.1
199722.1°C18.6°C15.0°C26.3°C12.8°C34 mm74%1.6 m/s5.7
199620.4°C16.9°C13.4°C27.3°C11.5°C17 mm75%1.8 m/s5.5
1995 ❄️18.4°C15.4°C12.4°C23.0°C10.8°C59 mm76%1.8 m/s4.9
199421.6°C17.9°C14.2°C25.6°C12.7°C13 mm71%1.6 m/s5.4
199321.1°C17.5°C14.0°C30.7°C11.3°C18 mm74%1.7 m/s5.1
199221.8°C17.9°C14.0°C27.6°C11.7°C26 mm70%1.5 m/s5.5
199120.9°C17.6°C14.2°C26.2°C11.4°C90 mm78%2.1 m/s4.9
199022.3°C18.3°C14.3°C28.5°C11.9°C46 mm71%1.5 m/s5.2
198920.2°C16.6°C13.1°C23.8°C11.6°C45 mm76%1.8 m/s5.1
198820.4°C16.5°C12.6°C26.6°C11.1°C19 mm73%1.7 m/s5.3
198721.1°C16.9°C12.7°C26.3°C10.6°C13 mm71%1.8 m/s5.7
198622.9°C18.5°C14.1°C27.9°C11.9°C2 mm71%1.7 m/s5.8
198520.8°C16.7°C12.6°C26.4°C10.7°C16 mm68%1.7 m/s5.6
198419.8°C16.1°C12.4°C24.6°C10.0°C25 mm73%1.7 m/s5.3
198320.9°C17.0°C13.2°C24.4°C11.8°C28 mm73%1.9 m/s—
198220.3°C16.6°C12.9°C25.8°C9.9°C28 mm72%1.6 m/s—
1981 🔥22.9°C18.8°C14.7°C33.6°C11.6°C18 mm70%1.5 m/s—

Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.

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Saanich August Weather — FAQ

What is the average temperature in Saanich in August?▼

The average high in August is around 21.1°C with lows near 13.7°C (mean 17.4°C), based on 45 years of NASA POWER data.

Does it rain a lot in Saanich in August?▼

August averages 29 mm of rainfall in Saanich, one of the drier months. The wettest on record was 94 mm in 2004.

What was the hottest August on record in Saanich?▼

The hottest August reached 33.6°C in 1981. The coldest dipped to 9.7°C in 2008.

Has August in Saanich gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.5°C. Daytime highs moved from 20.9°C to 21°C and overnight lows from 13.2°C to 13.9°C over the same span.

Is August a good time to visit Saanich?▼

August is one of the warmer months of the year in Saanich and one of the drier months, so plan for around 21.1°C daytime highs and 13.7°C at night.

Is August the coldest month in Saanich?▼

Not quite — August is the 12th coolest month in Saanich, averaging 17.4°C.

What should I pack for Saanich in August?▼

For August in Saanich, pack light layers you can adjust through the day, with typical highs of 21.1°C and lows of 13.7°C.

Is Saanich humid in August?▼

Relative humidity in August averages 74% — moderately humid.

How windy is Saanich in August?▼

Average wind speed in August is 1.7 m/s. The windiest August on record averaged 2.1 m/s (1991).

Which August had the most rainfall in Saanich?▼

The wettest August on record was 2004 with 94 mm. On average, August sees 29 mm.

Where does this August weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

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Explore how the weather in Saanich behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.