August is one of the warmer months of the year in Campbellton, with average highs near 21.4°C and lows around 11.5°C (mean 16.5°C). It is a relatively wet time of year, averaging 97 mm of rainfall and 83% relative humidity across the period.
August is one of the warmer months of the year in Campbellton. Across 45 years of records, the warmest August in Campbellton was 2021 — when the month averaged 19.3°C — while the coldest was 1982 at 13°C. Typical August days reach 21.4°C with nights near 11.5°C. The long-term trend is warming, about 0.5°C per decade.
August is a relatively wet time of year in Campbellton, averaging 97 mm of rainfall. The wettest August on record was 2011 with 190 mm, while the driest was 1996 at 37 mm.
Relative humidity in Campbellton during August averages 83%. The most humid August was 2011 at 88%, and the least humid was 2025 at 78%.
August receives about 4.7 kWh/m²/day of solar energy in Campbellton. The sunniest August was 2025 at 5.3 kWh/m²/day, and the cloudiest was 2011 at 3.8.
Average wind speed in Campbellton during August is 0.2 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.2 m/s, while the calmest was 2004 at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.4°C | 16.1°C | 16.5°C | 17.2°C | 17.5°C | +2.1°C |
| Avg High | 20.4°C | 21.1°C | 21.3°C | 21.9°C | 22.5°C | +2.1°C |
| Avg Low | 10.5°C | 11.1°C | 11.5°C | 12.4°C | 12.4°C | +1.9°C |
| Avg Rain | 111 mm | 89 mm | 97 mm | 93 mm | 91 mm | -19 mm |
August temperatures in Campbellton have risen by about 2.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 1.5°C (1986) to a record high of 31.7°C (2025).
Rainfall in August is a relatively wet time of year, averaging 97 mm, with a wettest year of 190 mm.
One of the best times to visit Campbellton
August is one of the best times to visit Campbellton. Expect days averaging 21.4°C and nights around 11.5°C (mean 16.5°C) — warmer than Campbellton's yearly average — with higher rainfall (97 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 | 22.8°C | 17.1°C | 11.3°C | 31.7°C | 5.0°C | 46 mm | 78% | 0.2 m/s | 5.3 |
| 2024 | 22.6°C | 17.8°C | 12.9°C | 29.1°C | 6.4°C | 99 mm | 82% | 0.2 m/s | 4.5 |
| 2023 | 20.2°C | 15.8°C | 11.4°C | 24.2°C | 7.1°C | 175 mm | 86% | 0.2 m/s | 3.9 |
| 2022 | 23.2°C | 18.0°C | 12.9°C | 27.8°C | 8.0°C | 97 mm | 82% | 0.2 m/s | 4.8 |
| 2021 🔥 | 24.6°C | 19.3°C | 13.9°C | 29.7°C | 8.4°C | 61 mm | 82% | 0.2 m/s | 5 |
| 2020 | 21.6°C | 16.8°C | 12.0°C | 27.5°C | 4.7°C | 71 mm | 82% | 0.2 m/s | 4.9 |
| 2019 | 21.4°C | 16.7°C | 12.1°C | 25.1°C | 8.1°C | 62 mm | 84% | 0.2 m/s | 4.6 |
| 2018 | 22.9°C | 18.1°C | 13.3°C | 28.4°C | 6.8°C | 88 mm | 85% | 0.2 m/s | 4.7 |
| 2017 | 20.8°C | 15.9°C | 10.9°C | 25.4°C | 6.6°C | 77 mm | 83% | 0.2 m/s | 4.6 |
| 2016 | 21.7°C | 17.1°C | 12.5°C | 27.2°C | 7.9°C | 87 mm | 84% | 0.2 m/s | 4.7 |
| 2015 | 23.1°C | 18.4°C | 13.7°C | 28.1°C | 9.8°C | 109 mm | 86% | 0.2 m/s | 4.6 |
| 2014 | 22.2°C | 17.5°C | 12.7°C | 27.1°C | 7.4°C | 89 mm | 84% | 0.2 m/s | 4.8 |
| 2013 | 20.3°C | 15.7°C | 11.1°C | 26.7°C | 5.8°C | 96 mm | 87% | 0.2 m/s | 4.4 |
| 2012 | 22.9°C | 18.2°C | 13.6°C | 28.0°C | 9.4°C | 89 mm | 84% | 0.2 m/s | 4.6 |
| 2011 🌧️ | 21.3°C | 17.0°C | 12.6°C | 26.7°C | 8.7°C | 190 mm | 88% | 0.2 m/s | 3.8 |
| 2010 | 22.5°C | 17.1°C | 11.8°C | 27.5°C | 7.7°C | 40 mm | 80% | 0.2 m/s | 5 |
| 2009 | 22.2°C | 17.3°C | 12.4°C | 28.0°C | 5.1°C | 57 mm | 81% | 0.2 m/s | 4.9 |
| 2008 | 20.7°C | 16.3°C | 11.8°C | 26.8°C | 7.7°C | 118 mm | 86% | 0.2 m/s | 4.2 |
| 2007 | 20.5°C | 15.5°C | 10.5°C | 27.9°C | 6.0°C | 110 mm | 82% | 0.2 m/s | 4.7 |
| 2006 | 19.7°C | 14.9°C | 10.1°C | 24.8°C | 5.1°C | 56 mm | 81% | 0.2 m/s | 5 |
| 2005 | 22.1°C | 17.1°C | 12.1°C | 29.3°C | 6.6°C | 128 mm | 82% | 0.2 m/s | 4.6 |
| 2004 | 21.1°C | 16.5°C | 11.8°C | 25.6°C | 5.8°C | 152 mm | 85% | 0.1 m/s | 4.3 |
| 2003 | 21.4°C | 16.6°C | 11.9°C | 28.5°C | 4.8°C | 138 mm | 84% | 0.2 m/s | 4.3 |
| 2002 | 22.0°C | 16.9°C | 11.8°C | 28.8°C | 2.8°C | 73 mm | 83% | 0.2 m/s | 5 |
| 2001 | 22.6°C | 17.1°C | 11.6°C | 28.1°C | 4.7°C | 61 mm | 83% | 0.2 m/s | 4.9 |
| 2000 | 21.2°C | 16.3°C | 11.4°C | 25.5°C | 6.4°C | 82 mm | 83% | 0.2 m/s | 4.7 |
| 1999 | 21.1°C | 16.1°C | 11.2°C | 27.5°C | 7.5°C | 84 mm | 81% | 0.2 m/s | 4.9 |
| 1998 | 21.2°C | 16.1°C | 11.0°C | 27.7°C | 6.7°C | 92 mm | 81% | 0.2 m/s | 5 |
| 1997 | 19.9°C | 15.0°C | 10.2°C | 26.7°C | 4.8°C | 99 mm | 83% | 0.2 m/s | 4.5 |
| 1996 | 21.8°C | 16.5°C | 11.2°C | 28.6°C | 7.2°C | 37 mm | 82% | 0.2 m/s | 5 |
| 1995 | 21.8°C | 16.4°C | 11.0°C | 28.6°C | 6.2°C | 42 mm | 81% | 0.2 m/s | 5.2 |
| 1994 | 19.9°C | 14.9°C | 9.8°C | 26.0°C | 4.6°C | 52 mm | 82% | 0.2 m/s | 5.1 |
| 1993 | 21.7°C | 16.8°C | 12.0°C | 26.7°C | 6.8°C | 90 mm | 84% | 0.2 m/s | 4.9 |
| 1992 | 20.2°C | 15.6°C | 10.9°C | 26.1°C | 7.0°C | 113 mm | 86% | 0.2 m/s | 4.6 |
| 1991 | 21.1°C | 16.1°C | 11.0°C | 27.3°C | 5.6°C | 152 mm | 85% | 0.2 m/s | 4.8 |
| 1990 | 22.4°C | 17.5°C | 12.6°C | 28.2°C | 6.0°C | 135 mm | 84% | 0.2 m/s | 4.9 |
| 1989 | 21.0°C | 16.3°C | 11.6°C | 27.5°C | 4.4°C | 103 mm | 85% | 0.2 m/s | 4.3 |
| 1988 | 20.9°C | 16.1°C | 11.4°C | 27.7°C | 3.2°C | 141 mm | 85% | 0.2 m/s | 4.3 |
| 1987 | 19.9°C | 14.6°C | 9.3°C | 28.4°C | 3.9°C | 102 mm | 83% | 0.2 m/s | 4.6 |
| 1986 | 19.5°C | 14.8°C | 10.0°C | 24.9°C | 1.5°C | 173 mm | 86% | 0.2 m/s | 4.2 |
| 1985 | 20.7°C | 15.5°C | 10.2°C | 26.4°C | 4.5°C | 65 mm | 82% | 0.2 m/s | 5.1 |
| 1984 | 22.0°C | 17.1°C | 12.2°C | 26.2°C | 7.1°C | 94 mm | 86% | 0.2 m/s | 5 |
| 1983 | 21.0°C | 15.9°C | 10.8°C | 25.9°C | 5.8°C | 64 mm | 84% | 0.2 m/s | — |
| 1982 ❄️ | 17.9°C | 13.0°C | 8.1°C | 25.5°C | 2.4°C | 113 mm | 84% | 0.2 m/s | — |
| 1981 | 20.7°C | 15.7°C | 10.8°C | 25.7°C | 4.0°C | 143 mm | 85% | 0.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 21.4°C with lows near 11.5°C (mean 16.5°C), based on 45 years of NASA POWER data.
August averages 97 mm of rainfall in Campbellton, a relatively wet time of year. The wettest on record was 190 mm in 2011.
The hottest August reached 31.7°C in 2025. The coldest dipped to 1.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.2°C. Daytime highs moved from 20.5°C to 22.7°C and overnight lows from 10.4°C to 12.5°C over the same span.
August is one of the warmer months of the year in Campbellton and a relatively wet time of year, so plan for around 21.4°C daytime highs and 11.5°C at night.
Not quite — August is the 11th coolest month in Campbellton, averaging 16.5°C.
For August in Campbellton, pack light layers you can adjust through the day, with typical highs of 21.4°C and lows of 11.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 83% — quite humid.
Average wind speed in August is 0.2 m/s. The windiest August on record averaged 0.2 m/s (1981).
The wettest August on record was 2011 with 190 mm. On average, August sees 97 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 Campbellton 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.
