August is one of the warmer months of the year in Longview, with average highs near 24°C and lows around 10.9°C (mean 17.5°C). It is one of the drier months, averaging 26 mm of rainfall and 78% relative humidity across the period.
August is one of the warmer months of the year in Longview. Across 45 years of records, the warmest August in Longview was 2023 — when the month averaged 19.5°C — while the coldest was 1995 at 15.5°C. Typical August days reach 24°C with nights near 10.9°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Longview, averaging 26 mm of rainfall. The wettest August on record was 2004 with 108 mm, while the driest was 2012 at 3 mm.
Relative humidity in Longview during August averages 78%. The most humid August was 1999 at 83%, and the least humid was 1992 at 73%.
August receives about 5.4 kWh/m²/day of solar energy in Longview. The sunniest Augusts were 1998 and 2020 at 6.1 kWh/m²/day, and the cloudiest were 2008 and 2009 at 4.7.
Average wind speed in Longview during August is 0.1 m/s. The windiest Augusts were 1984, 1994 and 2024 at 0.2 m/s, while the calmest were 2022, 2023 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.1°C | 17.2°C | 17.1°C | 17.8°C | 18.3°C | +1.2°C |
| Avg High | 23.9°C | 23.5°C | 23.5°C | 24.5°C | 24.9°C | +1°C |
| Avg Low | 10.3°C | 10.9°C | 10.6°C | 11.3°C | 11.8°C | +1.5°C |
| Avg Rain | 24 mm | 32 mm | 32 mm | 18 mm | 22 mm | -2 mm |
August temperatures in Longview have risen by about 1.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 6°C (1984) to a record high of 37.8°C (1990).
Rainfall in August is one of the drier months, averaging 26 mm, with a wettest year of 108 mm.
One of the best times to visit Longview
August is one of the best times to visit Longview. Expect days averaging 24°C and nights around 10.9°C (mean 17.5°C) — warmer than Longview's yearly average — with low rainfall (26 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 | 24.7°C | 18.3°C | 11.9°C | 33.5°C | 8.4°C | 48 mm | 79% | 0.1 m/s | 5.2 |
| 2024 | 24.2°C | 17.7°C | 11.2°C | 33.0°C | 7.4°C | 30 mm | 79% | 0.2 m/s | 4.9 |
| 2023 🔥 | 26.3°C | 19.5°C | 12.7°C | 37.6°C | 8.7°C | 30 mm | 75% | 0.1 m/s | 5.6 |
| 2022 | 26.2°C | 19.4°C | 12.5°C | 33.6°C | 9.2°C | 4 mm | 78% | 0.1 m/s | 5.7 |
| 2021 | 24.4°C | 18.0°C | 11.5°C | 35.0°C | 7.4°C | 7 mm | 77% | 0.1 m/s | 5.1 |
| 2020 | 23.6°C | 17.2°C | 10.9°C | 34.1°C | 7.1°C | 13 mm | 79% | 0.1 m/s | 6.1 |
| 2019 | 24.9°C | 18.4°C | 11.9°C | 33.4°C | 8.7°C | 23 mm | 78% | 0.1 m/s | 5.1 |
| 2018 | 25.0°C | 18.2°C | 11.4°C | 33.9°C | 8.9°C | 13 mm | 76% | 0.1 m/s | 5.2 |
| 2017 | 25.9°C | 18.7°C | 11.5°C | 34.4°C | 7.8°C | 6 mm | 77% | 0.1 m/s | 6 |
| 2016 | 25.1°C | 18.2°C | 11.4°C | 35.8°C | 8.0°C | 14 mm | 76% | 0.1 m/s | 5.7 |
| 2015 | 24.6°C | 18.2°C | 11.7°C | 31.9°C | 8.0°C | 44 mm | 75% | 0.1 m/s | 5.6 |
| 2014 | 24.9°C | 18.3°C | 11.8°C | 33.6°C | 9.2°C | 17 mm | 80% | 0.1 m/s | 5.6 |
| 2013 | 23.9°C | 17.8°C | 11.8°C | 28.5°C | 8.9°C | 35 mm | 81% | 0.1 m/s | 4.9 |
| 2012 | 24.5°C | 17.7°C | 10.9°C | 36.8°C | 7.4°C | 3 mm | 79% | 0.1 m/s | 5.7 |
| 2011 | 22.9°C | 16.5°C | 10.2°C | 31.3°C | 7.7°C | 6 mm | 80% | 0.1 m/s | 5.5 |
| 2010 | 22.8°C | 16.4°C | 10.1°C | 33.3°C | 7.6°C | 19 mm | 79% | 0.1 m/s | 5.3 |
| 2009 | 23.2°C | 17.0°C | 10.8°C | 32.2°C | 7.6°C | 26 mm | 79% | 0.1 m/s | 4.7 |
| 2008 | 23.2°C | 17.2°C | 11.2°C | 33.8°C | 7.3°C | 61 mm | 81% | 0.1 m/s | 4.7 |
| 2007 | 22.5°C | 16.5°C | 10.5°C | 35.5°C | 7.5°C | 23 mm | 80% | 0.1 m/s | 5 |
| 2006 | 23.2°C | 16.5°C | 9.7°C | 29.8°C | 6.6°C | 7 mm | 78% | 0.1 m/s | 5.7 |
| 2005 | 24.7°C | 17.7°C | 10.8°C | 32.3°C | 8.3°C | 12 mm | 77% | 0.1 m/s | 5.9 |
| 2004 🌧️ | 24.5°C | 18.3°C | 12.1°C | 36.0°C | 9.9°C | 108 mm | 81% | 0.1 m/s | 5.1 |
| 2003 | 23.9°C | 17.3°C | 10.7°C | 32.0°C | 8.0°C | 12 mm | 77% | 0.1 m/s | 5.8 |
| 2002 | 23.7°C | 16.9°C | 10.0°C | 33.9°C | 7.6°C | 7 mm | 77% | 0.1 m/s | 5.8 |
| 2001 | 23.8°C | 17.3°C | 10.7°C | 33.0°C | 8.2°C | 55 mm | 80% | 0.1 m/s | 5.2 |
| 2000 | 22.1°C | 16.0°C | 9.9°C | 27.3°C | 6.9°C | 15 mm | 80% | 0.1 m/s | 5.6 |
| 1999 | 22.6°C | 16.9°C | 11.3°C | 29.2°C | 7.6°C | 34 mm | 83% | 0.1 m/s | 5 |
| 1998 | 24.0°C | 17.4°C | 10.8°C | 31.8°C | 9.0°C | 4 mm | 80% | 0.1 m/s | 6.1 |
| 1997 | 23.9°C | 17.9°C | 11.9°C | 31.0°C | 10.1°C | 52 mm | 81% | 0.1 m/s | 5.8 |
| 1996 | 23.9°C | 17.2°C | 10.4°C | 32.6°C | 7.5°C | 22 mm | 78% | 0.1 m/s | 5.4 |
| 1995 ❄️ | 21.3°C | 15.5°C | 9.7°C | 27.9°C | 7.2°C | 48 mm | 81% | 0.1 m/s | 4.9 |
| 1994 | 23.4°C | 17.1°C | 10.8°C | 31.0°C | 8.6°C | 19 mm | 79% | 0.2 m/s | 5.2 |
| 1993 | 23.3°C | 17.1°C | 10.8°C | 32.3°C | 6.8°C | 17 mm | 81% | 0.1 m/s | 4.9 |
| 1992 | 25.4°C | 18.1°C | 10.8°C | 37.2°C | 7.3°C | 21 mm | 73% | 0.1 m/s | 5.5 |
| 1991 | 23.3°C | 17.3°C | 11.2°C | 29.0°C | 7.3°C | 52 mm | 81% | 0.1 m/s | 5.1 |
| 1990 | 24.1°C | 17.8°C | 11.5°C | 37.8°C | 8.7°C | 49 mm | 80% | 0.1 m/s | 5.2 |
| 1989 | 22.2°C | 16.3°C | 10.3°C | 26.5°C | 8.7°C | 41 mm | 81% | 0.1 m/s | 4.9 |
| 1988 | 23.4°C | 16.6°C | 9.9°C | 36.1°C | 7.1°C | 16 mm | 77% | 0.1 m/s | 5.2 |
| 1987 | 24.5°C | 17.3°C | 10.1°C | 34.6°C | 7.2°C | 12 mm | 75% | 0.1 m/s | 5.4 |
| 1986 | 26.1°C | 18.5°C | 11.0°C | 32.2°C | 7.9°C | 5 mm | 75% | 0.1 m/s | 5.5 |
| 1985 | 23.4°C | 16.6°C | 9.8°C | 29.9°C | 6.8°C | 25 mm | 75% | 0.1 m/s | 5.4 |
| 1984 | 22.5°C | 16.0°C | 9.6°C | 28.7°C | 6.0°C | 13 mm | 78% | 0.2 m/s | 5.4 |
| 1983 | 23.1°C | 16.7°C | 10.3°C | 31.6°C | 8.4°C | 56 mm | 80% | 0.1 m/s | — |
| 1982 | 23.8°C | 17.2°C | 10.5°C | 35.4°C | 7.4°C | 32 mm | 77% | 0.1 m/s | — |
| 1981 | 25.9°C | 18.5°C | 11.2°C | 37.5°C | 8.0°C | 16 mm | 76% | 0.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 24°C with lows near 10.9°C (mean 17.5°C), based on 45 years of NASA POWER data.
August averages 26 mm of rainfall in Longview, one of the drier months. The wettest on record was 108 mm in 2004.
The hottest August reached 37.8°C in 1990. The coldest dipped to 6°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.6°C. Daytime highs moved from 23.7°C to 25.2°C and overnight lows from 10.3°C to 12°C over the same span.
August is one of the warmer months of the year in Longview and one of the drier months, so plan for around 24°C daytime highs and 10.9°C at night.
Not quite — August is the 12th coolest month in Longview, averaging 17.5°C.
For August in Longview, pack light layers you can adjust through the day, with typical highs of 24°C and lows of 10.9°C.
Relative humidity in August averages 78% — quite humid.
Average wind speed in August is 0.1 m/s. The windiest August on record averaged 0.2 m/s (1984).
The wettest August on record was 2004 with 108 mm. On average, August sees 26 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 Longview 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.
