Glace Bay Weather in August (1981–2025)

📍 46.20°N, 59.97°W •
📊

August at a Glance in Glace Bay

(1981–2025)
Avg High
🔥
22.2°C
Avg Low
❄️
16.0°C
Avg Temp
🌡️
19.1°C
Avg Rain
🌧️
81 mm
Avg Humidity
💧
80%
Avg Wind
🌬️
5 m/s
Avg Solar
☀️
4.8
kWh/m²/day
vs Annual
📈
+12.6°C
temp difference
🌤️Mild afternoons🌤️Cool mornings🌤️Fairly sunny🌧️Wet month💨Breezy💦Humid air

Glace Bay August Weather Overview

August is one of the warmer months of the year in Glace Bay, with average highs near 22.2°C and lows around 16°C (mean 19.1°C). It is one of the drier months, averaging 81 mm of rainfall and 80% relative humidity across the period.

Glace Bay August Temperature History (1981–2025)

Range

August is one of the warmer months of the year in Glace Bay. Across 45 years of records, the warmest Augusts in Glace Bay were 2012 and 2018 — when the month averaged 21.3°C — while the coldest was 1982 at 16.9°C. Typical August days reach 22.2°C with nights near 16°C. The long-term trend is warming, about 0.4°C per decade.

1981–1985 vs 2021–2025

Avg Temp18.0°C→19.9°C+1.9°C
Max Temp21.1°C→23.0°C+1.9°C
Min Temp15.0°C→16.9°C+1.9°C

Trend (per decade)

Avg Temp+0.4°C/decade ↗
Max Temp+0.3°C/decade ↗
Min Temp+0.5°C/decade ↗

Distribution of Avg Temp

16.0°C–17.5°C2 yr (4%)
17.5°C–19.0°C16 yr (36%)
19.0°C–20.5°C23 yr (51%)
20.5°C–22.0°C4 yr (9%)

Glace Bay August Rainfall History (1981–2025)

Range

August is one of the drier months in Glace Bay, averaging 81 mm of rainfall. The wettest August on record was 2008 with 182 mm, while the driest was 1993 at 28 mm.

Glace Bay August Humidity History (1981–2025)

Range

Relative humidity in Glace Bay during August averages 80%. The most humid August was 2008 at 88%, and the least humid was 1995 at 71%.

Glace Bay August Solar History (1981–2025)

Range

August receives about 4.8 kWh/m²/day of solar energy in Glace Bay. The sunniest August was 2025 at 5.7 kWh/m²/day, and the cloudiest was 2008 at 3.8.

Glace Bay August Wind History (1981–2025)

Range

Average wind speed in Glace Bay during August is 5 m/s. The windiest August was 1989 at 6.3 m/s, while the calmest was 2010 at 4.2 m/s.

What August Feels Like in Glace Bay

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

How August Ranks in Glace Bay

🔥1st warmest month of the year
🌵3rd driest month of the year
☀️4th sunniest month of the year

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

Explore Glace Bay Weather by Month

Glace Bay August Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp18.3°C19.0°C19.0°C19.6°C19.9°C+1.6°C
Avg High21.5°C22.3°C22.0°C22.5°C23.0°C+1.5°C
Avg Low15.2°C15.6°C15.9°C16.7°C16.8°C+1.6°C
Avg Rain95 mm58 mm95 mm84 mm67 mm-28 mm

Extreme August Records in Glace Bay

🔥Warmest August32.3°C1995
🧊Coldest August9.8°C1986
🌧️Wettest August182 mm2008
🏜️Driest August28 mm1993
🌬️Windiest August6.3 m/s1989

Key Insights for August

✅

August temperatures in Glace Bay have risen by about 1.9°C between 1981–1985 and 2021–2025.

✅

August has ranged from a record low of 9.8°C (1986) to a record high of 32.3°C (1995).

✅

Rainfall in August is one of the drier months, averaging 81 mm, with a wettest year of 182 mm.

✅

Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.

Is August a Good Time to Visit Glace Bay?

One of the best times to visit Glace Bay

August is one of the best times to visit Glace Bay. Expect days averaging 22.2°C and nights around 16°C (mean 19.1°C) — warmer than Glace Bay's yearly average — with higher rainfall (81 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Glace Bay'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 →

Glace Bay Weather in August — In Depth

☀️ August climate overview

August is one of the warmer months of the year in Glace Bay, with average highs near 22.2°C and lows around 16°C (mean 19.1°C). It is one of the drier months, averaging 81 mm of rainfall and 80% relative humidity across the period.

🌧️ Rain, humidity & wind in August

August averages 81 mm of rainfall in Glace Bay, one of the drier months compared with the rest of the year. The wettest August on record saw 182 mm (2008), and the driest just 28 mm (1993). Humidity sits around 80% and average wind speed is 5 m/s, with solar radiation averaging 4.8 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 1.9°C. Daytime highs moved from 21.1°C to 23°C and overnight lows from 15°C to 16.9°C over the same span.
August Weather in Glace Bay, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202522.9°C19.5°C16.1°C27.1°C13.6°C53 mm73%5 m/s5.7
202423.9°C20.7°C17.6°C28.5°C13.7°C65 mm80%4.5 m/s4.9
202321.6°C18.9°C16.3°C24.7°C13.0°C111 mm81%4.6 m/s4.7
202223.3°C20.6°C17.8°C27.3°C15.6°C68 mm85%4.5 m/s4.4
202123.4°C20.0°C16.6°C28.4°C13.8°C34 mm81%4.8 m/s5
202022.8°C19.6°C16.4°C27.6°C12.8°C71 mm78%5.4 m/s5.2
201922.9°C19.9°C16.8°C26.3°C13.7°C76 mm80%4.6 m/s5.3
201824.3°C21.3°C18.2°C28.0°C16.3°C74 mm81%4.6 m/s5
201722.0°C19.2°C16.3°C26.5°C13.7°C84 mm80%4.8 m/s5
201621.8°C18.9°C16.1°C24.8°C12.8°C70 mm79%5.2 m/s4.9
201522.7°C19.8°C16.9°C26.6°C13.3°C118 mm87%5.1 m/s4.7
201422.0°C19.3°C16.7°C25.3°C12.5°C90 mm81%4.5 m/s4.8
201322.3°C19.1°C16.0°C24.9°C14.0°C94 mm81%5.5 m/s5.2
2012 🔥24.3°C21.3°C18.3°C28.1°C14.5°C80 mm82%4.7 m/s4.4
201120.4°C17.7°C15.0°C23.7°C13.3°C78 mm87%5.4 m/s4.4
201022.2°C19.3°C16.5°C27.2°C13.8°C75 mm79%4.2 m/s5.1
200922.6°C19.6°C16.6°C28.0°C11.7°C151 mm82%5 m/s4.7
2008 🌧️20.5°C18.1°C15.7°C23.0°C12.9°C182 mm88%5.6 m/s3.8
200721.2°C18.2°C15.1°C23.8°C10.9°C130 mm82%5.2 m/s4.8
200620.9°C17.9°C14.9°C24.8°C12.2°C59 mm78%5.2 m/s5
200522.3°C19.2°C16.1°C26.2°C13.2°C87 mm79%4.9 m/s4.8
200423.0°C19.8°C16.6°C26.5°C14.0°C60 mm81%5.1 m/s4.7
200321.5°C18.6°C15.7°C25.4°C11.7°C106 mm82%4.7 m/s4.6
200222.9°C19.4°C15.9°C28.9°C11.7°C87 mm79%5.2 m/s5.3
200123.2°C19.9°C16.6°C27.3°C12.9°C42 mm79%5 m/s4.8
200022.3°C19.3°C16.2°C25.7°C13.2°C49 mm81%4.8 m/s4.8
199922.6°C19.5°C16.3°C26.4°C13.4°C114 mm81%5.3 m/s4.8
199822.4°C19.0°C15.6°C27.1°C12.7°C73 mm80%4.9 m/s5
199720.7°C17.8°C14.8°C27.7°C12.6°C89 mm82%4.9 m/s4.1
199622.8°C19.4°C16.1°C29.9°C13.1°C47 mm78%4.4 m/s4.5
199522.2°C18.7°C15.2°C32.3°C11.6°C34 mm71%6.1 m/s4.9
199423.0°C19.7°C16.4°C27.3°C13.0°C52 mm76%5.1 m/s4.8
199321.2°C18.1°C14.9°C25.2°C12.4°C28 mm76%5 m/s4.9
199222.0°C18.6°C15.2°C28.1°C12.0°C41 mm78%5.4 m/s4.9
199122.6°C18.9°C15.2°C28.7°C12.8°C58 mm75%5.8 m/s4.4
199023.7°C20.0°C16.3°C27.9°C11.7°C46 mm75%5 m/s5.1
198922.9°C19.5°C16.0°C28.0°C11.0°C57 mm75%6.3 m/s5
198821.7°C18.7°C15.6°C27.8°C12.2°C70 mm81%4.8 m/s4.2
198722.5°C19.0°C15.4°C28.2°C12.1°C48 mm71%4.3 m/s4.9
198620.9°C17.7°C14.6°C25.9°C9.8°C67 mm80%4.7 m/s4.8
198521.2°C18.0°C14.9°C27.3°C11.9°C86 mm78%4.4 m/s4.7
198423.1°C20.1°C17.2°C27.0°C12.6°C165 mm83%4.9 m/s5
198320.3°C17.2°C14.2°C25.7°C11.3°C125 mm84%5.7 m/s—
1982 ❄️19.8°C16.9°C14.0°C24.2°C10.4°C137 mm80%4.8 m/s—
198121.2°C18.0°C14.8°C24.9°C11.6°C99 mm82%5 m/s—

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

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Glace Bay August Weather — FAQ

What is the average temperature in Glace Bay in August?▼

The average high in August is around 22.2°C with lows near 16°C (mean 19.1°C), based on 45 years of NASA POWER data.

Does it rain a lot in Glace Bay in August?▼

August averages 81 mm of rainfall in Glace Bay, one of the drier months. The wettest on record was 182 mm in 2008.

What was the hottest August on record in Glace Bay?▼

The hottest August reached 32.3°C in 1995. The coldest dipped to 9.8°C in 1986.

Has August in Glace Bay 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 1.9°C. Daytime highs moved from 21.1°C to 23°C and overnight lows from 15°C to 16.9°C over the same span.

Is August a good time to visit Glace Bay?▼

August is one of the warmer months of the year in Glace Bay and one of the drier months, so plan for around 22.2°C daytime highs and 16°C at night.

Is August the coldest month in Glace Bay?▼

Not quite — August is the 12th coolest month in Glace Bay, averaging 19.1°C.

What should I pack for Glace Bay in August?▼

For August in Glace Bay, pack light layers you can adjust through the day, with typical highs of 22.2°C and lows of 16°C. Bring an umbrella or light rain jacket too.

Is Glace Bay humid in August?▼

Relative humidity in August averages 80% — quite humid.

How windy is Glace Bay in August?▼

Average wind speed in August is 5 m/s. The windiest August on record averaged 6.3 m/s (1989).

Which August had the most rainfall in Glace Bay?▼

The wettest August on record was 2008 with 182 mm. On average, August sees 81 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 Nova Scotia cities

Explore how the weather in Glace Bay 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.