August is one of the warmer months of the year in Cranbrook, with average highs near 24.3°C and lows around 9.6°C (mean 17°C). It is one of the drier months, averaging 32 mm of rainfall and 54% relative humidity across the period.
August is one of the warmer months of the year in Cranbrook. Across 45 years of records, the warmest August in Cranbrook was 2022 — when the month averaged 20°C — while the coldest was 1995 at 13.5°C. Typical August days reach 24.3°C with nights near 9.6°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Cranbrook, averaging 32 mm of rainfall. The wettest August on record was 1989 with 82 mm, while the driest was 2001 at 6 mm.
Relative humidity in Cranbrook during August averages 54%. The most humid August was 1993 at 65%, and the least humid was 2001 at 42%.
August receives about 5.5 kWh/m²/day of solar energy in Cranbrook. The sunniest August was 1998 at 6.4 kWh/m²/day, and the cloudiest was 2021 at 4.6.
Average wind speed in Cranbrook during August is 0.3 m/s. The windiest Augusts were 1986 and 2001 at 0.4 m/s, while the calmest were 2021, 2024 and 2025, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.5°C | 16.7°C | 16.8°C | 17.1°C | 18.0°C | +1.5°C |
| Avg High | 23.9°C | 23.9°C | 24.4°C | 24.5°C | 25.3°C | +1.4°C |
| Avg Low | 9.1°C | 9.4°C | 9.3°C | 9.8°C | 10.8°C | +1.7°C |
| Avg Rain | 33 mm | 29 mm | 31 mm | 25 mm | 45 mm | +12 mm |
August temperatures in Cranbrook have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -3.6°C (1992) to a record high of 35.7°C (2018).
Rainfall in August is one of the drier months, averaging 32 mm, with a wettest year of 82 mm.
One of the best times to visit Cranbrook
August is one of the best times to visit Cranbrook. Expect days averaging 24.3°C and nights around 9.6°C (mean 17°C) — warmer than Cranbrook's yearly average — with moderate rainfall (32 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.1°C | 18.3°C | 11.4°C | 30.6°C | 7.2°C | 35 mm | 60% | 0.2 m/s | 5.4 |
| 2024 | 24.5°C | 17.2°C | 10.0°C | 34.1°C | 3.5°C | 80 mm | 61% | 0.2 m/s | 5.1 |
| 2023 | 25.8°C | 18.5°C | 11.1°C | 33.4°C | 5.4°C | 65 mm | 56% | 0.3 m/s | 5.4 |
| 2022 🔥 | 27.6°C | 20.0°C | 12.3°C | 33.0°C | 4.8°C | 20 mm | 52% | 0.3 m/s | 5.9 |
| 2021 | 23.9°C | 16.7°C | 9.6°C | 33.3°C | 2.2°C | 61 mm | 57% | 0.2 m/s | 4.6 |
| 2020 | 24.9°C | 17.5°C | 10.2°C | 34.3°C | 3.6°C | 9 mm | 49% | 0.3 m/s | 6.1 |
| 2019 | 24.9°C | 17.4°C | 9.9°C | 31.3°C | 4.6°C | 19 mm | 55% | 0.3 m/s | 5.6 |
| 2018 | 24.3°C | 17.2°C | 10.1°C | 35.7°C | 3.4°C | 17 mm | 56% | 0.3 m/s | 5.3 |
| 2017 | 26.0°C | 18.0°C | 10.1°C | 30.6°C | 5.1°C | 12 mm | 54% | 0.3 m/s | 5.5 |
| 2016 | 23.6°C | 16.4°C | 9.2°C | 29.8°C | 4.3°C | 47 mm | 60% | 0.3 m/s | 5.3 |
| 2015 | 24.9°C | 17.5°C | 10.2°C | 32.0°C | 2.8°C | 22 mm | 51% | 0.3 m/s | 5.2 |
| 2014 | 24.3°C | 17.3°C | 10.3°C | 31.9°C | 4.6°C | 34 mm | 60% | 0.2 m/s | 5 |
| 2013 | 24.6°C | 17.4°C | 10.3°C | 28.6°C | 5.7°C | 37 mm | 59% | 0.3 m/s | 5.4 |
| 2012 | 25.2°C | 17.4°C | 9.7°C | 30.9°C | 3.6°C | 10 mm | 56% | 0.3 m/s | 6.1 |
| 2011 | 24.7°C | 17.4°C | 10.1°C | 29.9°C | 4.8°C | 14 mm | 51% | 0.3 m/s | 6.3 |
| 2010 | 22.2°C | 15.2°C | 8.1°C | 29.0°C | 1.6°C | 36 mm | 58% | 0.3 m/s | 5.2 |
| 2009 | 24.5°C | 16.8°C | 9.1°C | 31.2°C | 4.2°C | 42 mm | 56% | 0.3 m/s | 5.6 |
| 2008 | 23.6°C | 16.1°C | 8.7°C | 34.0°C | 2.9°C | 38 mm | 55% | 0.3 m/s | 5.2 |
| 2007 | 23.4°C | 15.9°C | 8.4°C | 31.1°C | 3.4°C | 12 mm | 49% | 0.3 m/s | 5.7 |
| 2006 | 23.7°C | 16.5°C | 9.3°C | 30.6°C | 2.8°C | 32 mm | 50% | 0.3 m/s | 5.7 |
| 2005 | 23.5°C | 16.0°C | 8.5°C | 30.2°C | 3.0°C | 58 mm | 54% | 0.3 m/s | 5.9 |
| 2004 | 24.6°C | 17.5°C | 10.4°C | 33.4°C | 6.8°C | 69 mm | 61% | 0.2 m/s | 4.8 |
| 2003 | 27.2°C | 19.3°C | 11.4°C | 34.1°C | 5.9°C | 16 mm | 44% | 0.3 m/s | 5.9 |
| 2002 | 23.2°C | 15.6°C | 8.0°C | 28.0°C | 2.7°C | 23 mm | 53% | 0.3 m/s | 5.8 |
| 2001 | 26.4°C | 18.1°C | 9.8°C | 33.6°C | 4.1°C | 6 mm | 42% | 0.4 m/s | 6.1 |
| 2000 | 24.1°C | 16.6°C | 9.1°C | 30.6°C | 2.1°C | 20 mm | 48% | 0.3 m/s | 5.9 |
| 1999 | 24.9°C | 17.5°C | 10.1°C | 31.2°C | 3.3°C | 38 mm | 59% | 0.2 m/s | 5.3 |
| 1998 | 26.3°C | 18.8°C | 11.3°C | 33.0°C | 4.4°C | 19 mm | 49% | 0.3 m/s | 6.4 |
| 1997 | 24.0°C | 16.8°C | 9.6°C | 34.1°C | 3.8°C | 20 mm | 56% | 0.3 m/s | 5.6 |
| 1996 | 24.1°C | 16.7°C | 9.2°C | 31.2°C | 4.3°C | 21 mm | 53% | 0.3 m/s | 5.8 |
| 1995 ❄️ | 20.5°C | 13.5°C | 6.6°C | 27.2°C | 1.9°C | 45 mm | 60% | 0.3 m/s | 4.9 |
| 1994 | 25.6°C | 17.9°C | 10.1°C | 33.4°C | 2.8°C | 16 mm | 44% | 0.3 m/s | 5.6 |
| 1993 | 20.8°C | 14.0°C | 7.1°C | 28.6°C | 0.6°C | 52 mm | 65% | 0.3 m/s | 5.1 |
| 1992 | 23.4°C | 16.0°C | 8.5°C | 31.5°C | -3.6°C | 23 mm | 49% | 0.3 m/s | 5.6 |
| 1991 | 25.2°C | 18.1°C | 10.9°C | 32.9°C | 4.3°C | 20 mm | 53% | 0.3 m/s | 5.6 |
| 1990 | 24.5°C | 17.5°C | 10.6°C | 31.7°C | 3.7°C | 36 mm | 57% | 0.3 m/s | 5.6 |
| 1989 🌧️ | 21.6°C | 15.0°C | 8.4°C | 31.4°C | 2.8°C | 82 mm | 61% | 0.2 m/s | 4.7 |
| 1988 | 24.7°C | 16.7°C | 8.7°C | 31.7°C | 3.6°C | 20 mm | 46% | 0.3 m/s | 5.5 |
| 1987 | 22.1°C | 14.8°C | 7.4°C | 29.4°C | 2.8°C | 29 mm | 56% | 0.3 m/s | 5.2 |
| 1986 | 26.3°C | 18.1°C | 10.0°C | 32.0°C | 4.8°C | 16 mm | 46% | 0.4 m/s | 5.9 |
| 1985 | 22.0°C | 14.7°C | 7.4°C | 27.8°C | 1.2°C | 43 mm | 52% | 0.3 m/s | 4.9 |
| 1984 | 24.6°C | 17.1°C | 9.6°C | 29.8°C | 1.3°C | 22 mm | 50% | 0.3 m/s | 5.4 |
| 1983 | 25.0°C | 18.0°C | 11.0°C | 32.1°C | 5.9°C | 42 mm | 59% | 0.3 m/s | — |
| 1982 | 22.1°C | 15.3°C | 8.4°C | 28.3°C | 5.1°C | 33 mm | 59% | 0.3 m/s | — |
| 1981 | 26.3°C | 18.8°C | 11.3°C | 32.6°C | 5.4°C | 12 mm | 53% | 0.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 24.3°C with lows near 9.6°C (mean 17°C), based on 45 years of NASA POWER data.
August averages 32 mm of rainfall in Cranbrook, one of the drier months. The wettest on record was 82 mm in 1989.
The hottest August reached 35.7°C in 2018. The coldest dipped to -3.6°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.3°C. Daytime highs moved from 24°C to 25.4°C and overnight lows from 9.5°C to 10.9°C over the same span.
August is one of the warmer months of the year in Cranbrook and one of the drier months, so plan for around 24.3°C daytime highs and 9.6°C at night.
Not quite — August is the 11th coolest month in Cranbrook, averaging 17°C.
For August in Cranbrook, pack light layers you can adjust through the day, with typical highs of 24.3°C and lows of 9.6°C.
Relative humidity in August averages 54% — relatively dry.
Average wind speed in August is 0.3 m/s. The windiest August on record averaged 0.4 m/s (1986).
The wettest August on record was 1989 with 82 mm. On average, August sees 32 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Cranbrook 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.