Brant Weather in August (1981–2025)

📍 43.12°N, 80.37°W •
📊

August at a Glance in Brant

(1981–2025)
Avg High
🔥
27.0°C
Avg Low
❄️
16.3°C
Avg Temp
🌡️
21.7°C
Avg Rain
🌧️
65 mm
Avg Humidity
💧
66%
Avg Wind
🌬️
3 m/s
Avg Solar
☀️
5.2
kWh/m²/day
vs Annual
📈
+13.1°C
temp difference
🌡️Warm afternoons🌤️Cool mornings☀️Very sunny🌧️Wet month💨Breezy😊Comfortable humidity

Brant August Weather Overview

August is one of the warmer months of the year in Brant, with average highs near 27°C and lows around 16.3°C (mean 21.7°C). It is about average for rainfall, averaging 65 mm of rainfall and 66% relative humidity across the period.

Brant August Temperature History (1981–2025)

Range

August is one of the warmer months of the year in Brant. Across 45 years of records, the warmest August in Brant was 2021 — when the month averaged 24.7°C — while the coldest was 1992 at 17.9°C. Typical August days reach 27°C with nights near 16.3°C. The long-term trend is warming, about 0.4°C per decade.

1981–1985 vs 2021–2025

Avg Temp21.0°C→22.8°C+1.8°C
Max Temp26.3°C→28.3°C+2°C
Min Temp15.6°C→17.2°C+1.6°C

Trend (per decade)

Avg Temp+0.4°C/decade ↗
Max Temp+0.4°C/decade ↗
Min Temp+0.4°C/decade ↗

Distribution of Avg Temp

17.0°C–19.0°C1 yr (2%)
19.0°C–21.0°C14 yr (31%)
21.0°C–23.0°C24 yr (53%)
23.0°C–25.0°C6 yr (13%)

Brant August Rainfall History (1981–2025)

Range

August is about average for rainfall in Brant, averaging 65 mm of rainfall. The wettest August on record was 1992 with 124 mm, while the driest was 2002 at 20 mm.

Brant August Humidity History (1981–2025)

Range

Relative humidity in Brant during August averages 66%. The most humid August was 2000 at 77%, and the least humid was 2025 at 58%.

Brant August Solar History (1981–2025)

Range

August receives about 5.2 kWh/m²/day of solar energy in Brant. The sunniest Augusts were 2002 and 2019 at 5.8 kWh/m²/day, and the cloudiest was 1997 at 4.6.

Brant August Wind History (1981–2025)

Range

Average wind speed in Brant during August is 3 m/s. The windiest August was 1987 at 3.6 m/s, while the calmest was 2003 at 2.4 m/s.

What August Feels Like in Brant

🌅
Cool
Morning
🌞
Warm
Afternoon
🌆
Mild
Evening
Rain chanceModerate
Outdoor comfort★★★★☆

How August Ranks in Brant

🔥2nd warmest month of the year
🌧️6th wettest month of the year
☀️4th sunniest month of the year

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

Explore Brant Weather by Month

Brant August Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp21.1°C21.0°C21.7°C22.1°C22.8°C+1.7°C
Avg High26.4°C26.4°C27.0°C27.3°C28.3°C+1.9°C
Avg Low15.7°C15.7°C16.3°C16.9°C17.3°C+1.6°C
Avg Rain83 mm71 mm54 mm64 mm46 mm-36 mm

Extreme August Records in Brant

🔥Warmest August35.7°C2001
🧊Coldest August5.0°C1982
🌧️Wettest August124 mm1992
🏜️Driest August20 mm2002
🌬️Windiest August3.6 m/s1987

Key Insights for August

✅

August temperatures in Brant have risen by about 1.8°C between 1981–1985 and 2021–2025.

✅

August has ranged from a record low of 5°C (1982) to a record high of 35.7°C (2001).

✅

Rainfall in August is about average for rainfall, averaging 65 mm, with a wettest year of 124 mm.

Is August a Good Time to Visit Brant?

One of the best times to visit Brant

August is one of the best times to visit Brant. Expect days averaging 27°C and nights around 16.3°C (mean 21.7°C) — warmer than Brant's yearly average — with moderate rainfall (65 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Brant'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 →

Brant Weather in August — In Depth

☀️ August climate overview

August is one of the warmer months of the year in Brant, with average highs near 27°C and lows around 16.3°C (mean 21.7°C). It is about average for rainfall, averaging 65 mm of rainfall and 66% relative humidity across the period.

🌧️ Rain, humidity & wind in August

August averages 65 mm of rainfall in Brant, about average for rainfall compared with the rest of the year. The wettest August on record saw 124 mm (1992), and the driest just 20 mm (2002). Humidity sits around 66% and average wind speed is 3 m/s, with solar radiation averaging 5.2 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 1.8°C. Daytime highs moved from 26.3°C to 28.3°C and overnight lows from 15.6°C to 17.2°C over the same span.
August Weather in Brant, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202528.0°C22.2°C16.5°C33.2°C8.2°C34 mm58%2.7 m/s5.4
202428.3°C22.7°C17.2°C33.5°C9.7°C48 mm63%2.9 m/s5
202326.9°C21.3°C15.7°C30.3°C9.2°C61 mm65%3.3 m/s5
202228.4°C22.9°C17.3°C33.0°C13.0°C44 mm63%2.9 m/s5.3
2021 🔥29.9°C24.7°C19.4°C33.7°C12.9°C40 mm64%2.7 m/s5.4
202028.2°C22.8°C17.5°C32.0°C12.7°C51 mm66%3.2 m/s5.5
201927.3°C22.0°C16.7°C31.0°C11.2°C70 mm67%3 m/s5.8
201827.8°C23.2°C18.7°C32.7°C14.0°C89 mm73%3 m/s4.9
201725.5°C20.5°C15.4°C30.6°C10.3°C44 mm70%3 m/s5.1
201629.6°C24.3°C19.0°C34.6°C13.9°C65 mm66%3 m/s5.7
201525.9°C20.8°C15.7°C31.1°C12.2°C59 mm70%3 m/s5.2
201425.8°C20.6°C15.4°C30.1°C11.1°C59 mm71%2.9 m/s5.2
201326.2°C20.9°C15.7°C30.2°C10.4°C80 mm70%2.8 m/s5.5
201226.8°C21.6°C16.4°C32.5°C11.4°C87 mm66%2.7 m/s5.5
201128.3°C22.9°C17.5°C33.4°C13.7°C63 mm63%2.9 m/s5.3
201029.3°C23.8°C18.4°C33.8°C12.6°C25 mm63%3.2 m/s5.2
200926.6°C21.7°C16.7°C31.5°C9.7°C64 mm68%3.2 m/s5.1
200826.3°C20.7°C15.2°C30.4°C10.9°C49 mm66%2.9 m/s5.6
200728.5°C22.9°C17.3°C34.3°C10.5°C40 mm62%3.1 m/s5.1
200627.5°C22.1°C16.7°C34.4°C11.9°C37 mm64%3.1 m/s5.5
200528.6°C23.1°C17.5°C33.2°C11.8°C57 mm64%3 m/s5.2
200424.6°C19.7°C14.7°C29.0°C10.0°C58 mm71%3.1 m/s4.9
200327.2°C22.1°C17.0°C32.0°C11.3°C51 mm69%2.4 m/s5.3
200228.3°C22.4°C16.5°C33.0°C12.3°C20 mm61%3.1 m/s5.8
200128.2°C22.5°C16.9°C35.7°C11.9°C73 mm64%3 m/s5.4
200024.5°C19.7°C14.9°C28.7°C8.2°C86 mm77%3 m/s5
199925.8°C20.5°C15.3°C30.5°C10.1°C59 mm65%3.2 m/s5
199828.2°C22.7°C17.3°C32.7°C10.6°C54 mm63%2.6 m/s5.4
199725.0°C19.8°C14.6°C29.5°C10.8°C73 mm68%3.2 m/s4.6
199627.4°C21.5°C15.6°C31.3°C12.1°C29 mm65%2.5 m/s5.6
199528.9°C23.5°C18.0°C32.8°C11.5°C64 mm65%3 m/s5.1
199424.9°C19.6°C14.3°C29.0°C9.1°C83 mm70%2.9 m/s5.1
199327.7°C22.3°C16.9°C32.4°C12.1°C53 mm63%2.6 m/s5.6
1992 ❄️ 🌧️23.0°C17.9°C12.8°C28.4°C8.1°C124 mm76%3.3 m/s4.9
199127.1°C21.7°C16.2°C33.1°C10.6°C73 mm66%3.1 m/s5.3
199026.1°C20.9°C15.7°C29.5°C11.6°C96 mm71%2.7 m/s4.9
198926.8°C21.2°C15.5°C31.3°C10.0°C49 mm65%3.2 m/s4.9
198827.5°C22.3°C17.1°C33.1°C9.3°C87 mm66%3.1 m/s5.3
198726.7°C21.4°C16.2°C32.6°C9.8°C84 mm63%3.6 m/s4.9
198625.0°C19.9°C14.8°C31.2°C7.3°C73 mm66%3.2 m/s5.3
198525.9°C20.4°C14.9°C31.6°C10.2°C118 mm66%3 m/s5.1
198427.6°C22.1°C16.6°C31.6°C10.1°C75 mm68%2.8 m/s5.5
198327.5°C22.1°C16.8°C31.3°C11.0°C88 mm69%2.6 m/s—
198224.6°C19.2°C13.8°C30.5°C5.0°C93 mm67%3 m/s—
198126.0°C21.0°C15.9°C29.1°C8.9°C81 mm68%2.8 m/s—

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

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Brant August Weather — FAQ

What is the average temperature in Brant in August?▼

The average high in August is around 27°C with lows near 16.3°C (mean 21.7°C), based on 45 years of NASA POWER data.

Does it rain a lot in Brant in August?▼

August averages 65 mm of rainfall in Brant, about average for rainfall. The wettest on record was 124 mm in 1992.

What was the hottest August on record in Brant?▼

The hottest August reached 35.7°C in 2001. The coldest dipped to 5°C in 1982.

Has August in Brant 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 1.8°C. Daytime highs moved from 26.3°C to 28.3°C and overnight lows from 15.6°C to 17.2°C over the same span.

Is August a good time to visit Brant?▼

August is one of the warmer months of the year in Brant and about average for rainfall, so plan for around 27°C daytime highs and 16.3°C at night.

Is August the coldest month in Brant?▼

Not quite — August is the 11th coolest month in Brant, averaging 21.7°C.

What should I pack for Brant in August?▼

For August in Brant, pack light layers you can adjust through the day, with typical highs of 27°C and lows of 16.3°C. Bring an umbrella or light rain jacket too.

Is Brant humid in August?▼

Relative humidity in August averages 66% — moderately humid.

How windy is Brant in August?▼

Average wind speed in August is 3 m/s. The windiest August on record averaged 3.6 m/s (1987).

Which August had the most rainfall in Brant?▼

The wettest August on record was 1992 with 124 mm. On average, August sees 65 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.

Other Ontario cities

Explore how the weather in Brant 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.