August is one of the warmer months of the year in Weyburn, with average highs near 27.3°C and lows around 13.4°C (mean 20.4°C). It is a relatively wet time of year, averaging 48 mm of rainfall and 54% relative humidity across the period.
August is one of the warmer months of the year in Weyburn. Across 45 years of records, the warmest August in Weyburn was 1983 — when the month averaged 24.2°C — while the coldest was 2004 at 16.3°C. Typical August days reach 27.3°C with nights near 13.4°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in Weyburn, averaging 48 mm of rainfall. The wettest August on record was 1985 with 115 mm, while the driest was 2018 at 7 mm.
Relative humidity in Weyburn during August averages 54%. The most humid August was 2025 at 65%, and the least humid was 1984 at 43%.
August receives about 5.3 kWh/m²/day of solar energy in Weyburn. The sunniest August was 2001 at 6.1 kWh/m²/day, and the cloudiest was 2021 at 4.5.
Average wind speed in Weyburn during August is 3 m/s. The windiest August was 1995 at 3.7 m/s, while the calmest was 2013 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.5°C | 20.5°C | 19.7°C | 20.4°C | 21.2°C | +0.7°C |
| Avg High | 27.6°C | 27.6°C | 26.6°C | 27.2°C | 28.0°C | +0.4°C |
| Avg Low | 13.3°C | 13.4°C | 12.8°C | 13.5°C | 14.5°C | +1.2°C |
| Avg Rain | 41 mm | 43 mm | 56 mm | 48 mm | 57 mm | +16 mm |
August temperatures in Weyburn have stayed relatively stable across the record.
August has ranged from a record low of 3.3°C (2004) to a record high of 40.5°C (1983).
Rainfall in August is a relatively wet time of year, averaging 48 mm, with a wettest year of 115 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Weyburn
August is one of the best times to visit Weyburn. Expect days averaging 27.3°C and nights around 13.4°C (mean 20.4°C) — warmer than Weyburn's yearly average — with moderate rainfall (48 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 | 26.9°C | 20.7°C | 14.5°C | 35.9°C | 8.9°C | 105 mm | 65% | 2.8 m/s | 5.2 |
| 2024 | 27.9°C | 21.4°C | 14.9°C | 37.3°C | 7.7°C | 52 mm | 54% | 2.9 m/s | 5 |
| 2023 | 27.3°C | 20.8°C | 14.4°C | 35.0°C | 11.1°C | 57 mm | 58% | 2.8 m/s | 4.7 |
| 2022 | 29.2°C | 22.2°C | 15.2°C | 37.3°C | 10.3°C | 46 mm | 56% | 2.8 m/s | 5.8 |
| 2021 | 26.8°C | 20.3°C | 13.8°C | 37.3°C | 8.0°C | 53 mm | 58% | 3.3 m/s | 4.5 |
| 2020 | 29.7°C | 22.0°C | 14.4°C | 38.0°C | 6.7°C | 26 mm | 45% | 3 m/s | 6 |
| 2019 | 26.4°C | 19.6°C | 12.8°C | 35.6°C | 7.9°C | 61 mm | 56% | 3.1 m/s | 5.3 |
| 2018 | 28.7°C | 21.2°C | 13.7°C | 39.9°C | 6.8°C | 7 mm | 48% | 2.6 m/s | 5.2 |
| 2017 | 26.8°C | 19.9°C | 12.9°C | 33.2°C | 8.9°C | 33 mm | 52% | 2.5 m/s | 5.4 |
| 2016 | 27.6°C | 20.5°C | 13.4°C | 34.9°C | 8.3°C | 19 mm | 53% | 3.3 m/s | 5.6 |
| 2015 | 27.7°C | 20.6°C | 13.5°C | 39.2°C | 4.5°C | 49 mm | 54% | 2.9 m/s | 5.2 |
| 2014 | 26.5°C | 20.2°C | 13.9°C | 33.8°C | 5.9°C | 81 mm | 64% | 2.7 m/s | 4.9 |
| 2013 | 27.6°C | 20.7°C | 13.9°C | 34.2°C | 7.8°C | 38 mm | 58% | 2.3 m/s | 5.3 |
| 2012 | 28.8°C | 21.4°C | 14.0°C | 35.0°C | 8.2°C | 11 mm | 49% | 3 m/s | 5.4 |
| 2011 | 26.4°C | 19.9°C | 13.4°C | 32.1°C | 9.0°C | 83 mm | 65% | 2.7 m/s | 5.8 |
| 2010 | 25.7°C | 19.5°C | 13.3°C | 32.7°C | 8.3°C | 104 mm | 64% | 3.1 m/s | 5.2 |
| 2009 | 25.0°C | 18.5°C | 11.9°C | 33.2°C | 7.5°C | 87 mm | 62% | 2.8 m/s | 5.1 |
| 2008 | 27.5°C | 20.3°C | 13.2°C | 35.2°C | 5.8°C | 58 mm | 54% | 3.2 m/s | 5.7 |
| 2007 | 25.5°C | 18.8°C | 12.1°C | 32.7°C | 5.8°C | 49 mm | 59% | 3.2 m/s | 5.1 |
| 2006 | 27.6°C | 20.3°C | 13.1°C | 36.2°C | 9.8°C | 49 mm | 54% | 2.8 m/s | 5.6 |
| 2005 | 25.7°C | 18.8°C | 11.8°C | 36.1°C | 6.8°C | 83 mm | 58% | 3.5 m/s | 5.3 |
| 2004 ❄️ | 22.4°C | 16.3°C | 10.2°C | 30.8°C | 3.3°C | 60 mm | 64% | 2.9 m/s | 4.6 |
| 2003 | 30.9°C | 23.4°C | 16.0°C | 38.3°C | 8.0°C | 24 mm | 44% | 2.9 m/s | 5.7 |
| 2002 | 24.4°C | 18.2°C | 11.9°C | 30.1°C | 4.1°C | 86 mm | 63% | 3.1 m/s | 4.7 |
| 2001 | 29.8°C | 22.0°C | 14.3°C | 37.1°C | 10.1°C | 8 mm | 46% | 3 m/s | 6.1 |
| 2000 | 27.1°C | 20.3°C | 13.5°C | 37.7°C | 6.2°C | 58 mm | 54% | 3 m/s | 5.1 |
| 1999 | 27.9°C | 20.7°C | 13.6°C | 34.0°C | 11.1°C | 20 mm | 53% | 3 m/s | 5.6 |
| 1998 | 29.6°C | 22.5°C | 15.4°C | 35.9°C | 12.0°C | 38 mm | 51% | 2.7 m/s | 5.8 |
| 1997 | 28.2°C | 21.0°C | 13.9°C | 34.7°C | 7.3°C | 45 mm | 49% | 2.6 m/s | 5.6 |
| 1996 | 29.5°C | 21.7°C | 13.9°C | 35.4°C | 9.1°C | 23 mm | 47% | 3.1 m/s | 5.9 |
| 1995 | 27.2°C | 20.1°C | 13.0°C | 37.7°C | 9.3°C | 76 mm | 56% | 3.7 m/s | 5.2 |
| 1994 | 26.9°C | 19.9°C | 12.9°C | 34.0°C | 5.5°C | 33 mm | 52% | 2.6 m/s | 5.3 |
| 1993 | 24.1°C | 17.9°C | 11.6°C | 32.9°C | 7.1°C | 59 mm | 64% | 3 m/s | 5.2 |
| 1992 | 25.2°C | 18.1°C | 11.0°C | 36.2°C | 4.5°C | 42 mm | 51% | 2.8 m/s | 5.2 |
| 1991 | 29.1°C | 22.1°C | 15.0°C | 35.3°C | 10.3°C | 42 mm | 54% | 3.3 m/s | 5.3 |
| 1990 | 28.3°C | 21.0°C | 13.8°C | 37.2°C | 9.4°C | 48 mm | 51% | 2.9 m/s | 5.4 |
| 1989 | 28.4°C | 21.2°C | 13.9°C | 38.6°C | 7.7°C | 31 mm | 46% | 2.8 m/s | 5.4 |
| 1988 | 27.9°C | 20.7°C | 13.5°C | 37.1°C | 6.7°C | 38 mm | 45% | 3.4 m/s | 5.1 |
| 1987 | 23.8°C | 17.3°C | 10.8°C | 33.8°C | 5.5°C | 18 mm | 55% | 3 m/s | 5.1 |
| 1986 | 26.9°C | 19.3°C | 11.7°C | 34.4°C | 5.6°C | 14 mm | 48% | 2.8 m/s | 5.8 |
| 1985 🌧️ | 23.2°C | 16.9°C | 10.7°C | 31.4°C | 5.2°C | 115 mm | 63% | 3.4 m/s | 4.7 |
| 1984 | 30.5°C | 23.1°C | 15.6°C | 37.5°C | 8.1°C | 27 mm | 43% | 3.1 m/s | 5.7 |
| 1983 🔥 | 32.2°C | 24.2°C | 16.2°C | 40.5°C | 11.0°C | 35 mm | 46% | 2.9 m/s | — |
| 1982 | 26.7°C | 19.5°C | 12.3°C | 35.1°C | 4.1°C | 38 mm | 53% | 2.9 m/s | — |
| 1981 | 29.1°C | 22.0°C | 14.9°C | 34.0°C | 9.6°C | 49 mm | 54% | 2.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 27.3°C with lows near 13.4°C (mean 20.4°C), based on 45 years of NASA POWER data.
August averages 48 mm of rainfall in Weyburn, a relatively wet time of year. The wettest on record was 115 mm in 1985.
The hottest August reached 40.5°C in 1983. The coldest dipped to 3.3°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have held steady by about 0°C — but days and nights have moved in opposite directions. Overnight lows rose from 13.9°C to 14.6°C while daytime highs eased from 28.3°C to 27.6°C, narrowing the gap between day and night.
August is one of the warmer months of the year in Weyburn and a relatively wet time of year, so plan for around 27.3°C daytime highs and 13.4°C at night.
Not quite — August is the 11th coolest month in Weyburn, averaging 20.4°C.
For August in Weyburn, pack light layers you can adjust through the day, with typical highs of 27.3°C and lows of 13.4°C.
Relative humidity in August averages 54% — relatively dry.
Average wind speed in August is 3 m/s. The windiest August on record averaged 3.7 m/s (1995).
The wettest August on record was 1985 with 115 mm. On average, August sees 48 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 Weyburn 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.
