August is one of the warmer months of the year in Springfield, with average highs near 29.5°C and lows around 17.9°C (mean 23.7°C). It is about average for rainfall, averaging 89 mm of rainfall and 71% relative humidity across the period.
August is one of the warmer months of the year in Springfield. Across 45 years of records, the warmest Augusts in Springfield were 1983 and 1988 — when the month averaged 27.3°C — while the coldest was 1992 at 19.9°C. Typical August days reach 29.5°C with nights near 17.9°C. The long-term August temperature trend is broadly flat.
August is about average for rainfall in Springfield, averaging 89 mm of rainfall. The wettest August on record was 1981 with 195 mm, while the driest was 2011 at 18 mm.
Relative humidity in Springfield during August averages 71%. The most humid August was 1993 at 85%, and the least humid was 1988 at 53%.
August receives about 5.6 kWh/m²/day of solar energy in Springfield. The sunniest August was 2010 at 6.4 kWh/m²/day, and the cloudiest was 1985 at 4.7.
Average wind speed in Springfield during August is 2.1 m/s. The windiest Augusts were 1987, 2000 and 2004 at 2.5 m/s, while the calmest was 1995 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.8°C | 23.1°C | 24.1°C | 23.8°C | 24.0°C | +0.2°C |
| Avg High | 29.9°C | 28.7°C | 29.9°C | 29.3°C | 29.7°C | -0.2°C |
| Avg Low | 17.6°C | 17.5°C | 18.3°C | 18.3°C | 18.2°C | +0.6°C |
| Avg Rain | 88 mm | 92 mm | 97 mm | 82 mm | 82 mm | -6 mm |
August temperatures in Springfield have risen by about 0.9°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 6.9°C (1986) to a record high of 40.8°C (1988).
Rainfall in August is about average for rainfall, averaging 89 mm, with a wettest year of 195 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°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 Springfield
August is one of the best times to visit Springfield. Expect days averaging 29.5°C and nights around 17.9°C (mean 23.7°C) — warmer than Springfield's yearly average — with higher rainfall (89 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 | 30.1°C | 23.9°C | 17.7°C | 36.4°C | 11.0°C | 30 mm | 67% | 2.1 m/s | 6.1 |
| 2024 | 30.1°C | 23.9°C | 17.8°C | 37.3°C | 10.0°C | 78 mm | 66% | 2.2 m/s | 5.7 |
| 2023 | 30.5°C | 24.3°C | 18.1°C | 38.7°C | 10.0°C | 126 mm | 70% | 2.1 m/s | 5.3 |
| 2022 | 29.9°C | 24.2°C | 18.4°C | 33.2°C | 13.5°C | 127 mm | 72% | 2.1 m/s | 5.9 |
| 2021 | 28.6°C | 24.0°C | 19.5°C | 32.5°C | 14.2°C | 106 mm | 81% | 1.9 m/s | 5.9 |
| 2020 | 29.1°C | 23.4°C | 17.6°C | 35.7°C | 13.0°C | 26 mm | 71% | 2 m/s | 6 |
| 2019 | 28.0°C | 23.0°C | 18.1°C | 31.5°C | 12.6°C | 101 mm | 78% | 2.1 m/s | 5.5 |
| 2018 | 30.1°C | 24.6°C | 19.2°C | 33.1°C | 14.0°C | 113 mm | 74% | 2.4 m/s | 5.6 |
| 2017 | 29.7°C | 23.0°C | 16.4°C | 35.3°C | 12.8°C | 55 mm | 63% | 2 m/s | 5.8 |
| 2016 | 28.6°C | 24.3°C | 20.0°C | 33.6°C | 14.4°C | 148 mm | 82% | 1.9 m/s | 5.2 |
| 2015 | 26.9°C | 21.8°C | 16.7°C | 30.6°C | 10.6°C | 50 mm | 79% | 2.1 m/s | 5.8 |
| 2014 | 28.8°C | 23.8°C | 18.8°C | 34.8°C | 11.6°C | 128 mm | 78% | 2.2 m/s | 5 |
| 2013 | 28.7°C | 23.1°C | 17.6°C | 36.1°C | 11.0°C | 27 mm | 75% | 1.8 m/s | 5.7 |
| 2012 | 32.2°C | 24.9°C | 17.7°C | 38.8°C | 13.0°C | 97 mm | 55% | 2.1 m/s | 5.8 |
| 2011 | 31.3°C | 25.0°C | 18.7°C | 37.5°C | 15.4°C | 18 mm | 67% | 2.1 m/s | 6 |
| 2010 | 29.1°C | 24.2°C | 19.3°C | 33.4°C | 12.5°C | 86 mm | 81% | 2 m/s | 6.4 |
| 2009 | 26.2°C | 21.4°C | 16.6°C | 31.2°C | 8.6°C | 115 mm | 83% | 2.4 m/s | 5.5 |
| 2008 | 26.8°C | 21.6°C | 16.4°C | 30.3°C | 11.7°C | 49 mm | 80% | 2 m/s | 6.1 |
| 2007 | 33.1°C | 27.0°C | 20.9°C | 39.0°C | 13.3°C | 61 mm | 67% | 2.4 m/s | 5.8 |
| 2006 | 30.0°C | 24.5°C | 19.0°C | 37.7°C | 14.5°C | 105 mm | 69% | 2.3 m/s | 5.2 |
| 2005 | 32.4°C | 26.2°C | 19.9°C | 37.1°C | 14.4°C | 77 mm | 62% | 2.1 m/s | 5.4 |
| 2004 | 27.8°C | 21.7°C | 15.5°C | 32.3°C | 9.4°C | 117 mm | 70% | 2.5 m/s | 5.4 |
| 2003 | 31.5°C | 25.2°C | 18.9°C | 39.5°C | 15.0°C | 116 mm | 66% | 2.2 m/s | 5.8 |
| 2002 | 28.3°C | 23.3°C | 18.3°C | 32.7°C | 12.8°C | 131 mm | 77% | 2.2 m/s | 5.4 |
| 2001 | 31.7°C | 25.2°C | 18.8°C | 37.3°C | 12.9°C | 109 mm | 64% | 2 m/s | 5.8 |
| 2000 | 31.3°C | 24.8°C | 18.3°C | 36.9°C | 13.4°C | 93 mm | 67% | 2.5 m/s | 5.5 |
| 1999 | 29.3°C | 22.8°C | 16.3°C | 35.6°C | 11.7°C | 108 mm | 64% | 2.2 m/s | 5.8 |
| 1998 | 27.9°C | 23.1°C | 18.2°C | 33.0°C | 14.9°C | 115 mm | 81% | 1.9 m/s | 5.5 |
| 1997 | 29.5°C | 23.5°C | 17.6°C | 36.6°C | 11.2°C | 113 mm | 69% | 2.3 m/s | 5.1 |
| 1996 | 30.6°C | 24.3°C | 17.9°C | 36.0°C | 14.2°C | 55 mm | 66% | 2.1 m/s | 5.9 |
| 1995 | 30.1°C | 25.4°C | 20.7°C | 33.1°C | 15.2°C | 100 mm | 80% | 1.6 m/s | 5.6 |
| 1994 | 28.3°C | 21.9°C | 15.6°C | 33.5°C | 8.9°C | 90 mm | 72% | 2.2 m/s | 5.3 |
| 1993 | 27.7°C | 23.4°C | 19.1°C | 32.0°C | 13.1°C | 122 mm | 85% | 1.9 m/s | 5.3 |
| 1992 ❄️ | 25.8°C | 19.9°C | 14.1°C | 30.5°C | 9.5°C | 25 mm | 75% | 2.1 m/s | 5.6 |
| 1991 | 30.0°C | 24.1°C | 18.2°C | 37.7°C | 12.7°C | 108 mm | 67% | 2 m/s | 5.6 |
| 1990 | 27.9°C | 22.5°C | 17.1°C | 34.3°C | 9.8°C | 83 mm | 77% | 1.9 m/s | 5.5 |
| 1989 | 30.9°C | 24.7°C | 18.5°C | 36.5°C | 11.5°C | 102 mm | 64% | 2.2 m/s | 5.4 |
| 1988 | 34.3°C | 27.3°C | 20.3°C | 40.8°C | 10.1°C | 47 mm | 53% | 2.4 m/s | 5.6 |
| 1987 | 31.1°C | 24.7°C | 18.3°C | 38.7°C | 12.2°C | 89 mm | 65% | 2.5 m/s | 5.4 |
| 1986 | 27.4°C | 21.0°C | 14.6°C | 34.5°C | 6.9°C | 35 mm | 67% | 2.2 m/s | 5.7 |
| 1985 | 26.3°C | 21.0°C | 15.7°C | 30.3°C | 9.3°C | 137 mm | 80% | 2.1 m/s | 4.7 |
| 1984 | 31.4°C | 24.6°C | 17.7°C | 39.4°C | 10.8°C | 26 mm | 63% | 2.1 m/s | 5.7 |
| 1983 🔥 | 34.2°C | 27.3°C | 20.4°C | 40.2°C | 13.7°C | 57 mm | 61% | 2 m/s | — |
| 1982 | 27.2°C | 21.6°C | 16.1°C | 32.8°C | 10.2°C | 103 mm | 77% | 2.1 m/s | — |
| 1981 🌧️ | 26.5°C | 21.6°C | 16.7°C | 29.9°C | 10.6°C | 195 mm | 83% | 2.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 29.5°C with lows near 17.9°C (mean 23.7°C), based on 45 years of NASA POWER data.
August averages 89 mm of rainfall in Springfield, about average for rainfall. The wettest on record was 195 mm in 1981.
The hottest August reached 40.8°C in 1988. The coldest dipped to 6.9°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.9°C. Daytime highs moved from 29.1°C to 29.8°C and overnight lows from 17.3°C to 18.3°C over the same span.
August is one of the warmer months of the year in Springfield and about average for rainfall, so plan for around 29.5°C daytime highs and 17.9°C at night.
Not quite — August is the 11th coolest month in Springfield, averaging 23.7°C.
For August in Springfield, pack light layers you can adjust through the day, with typical highs of 29.5°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 71% — moderately humid.
Average wind speed in August is 2.1 m/s. The windiest August on record averaged 2.5 m/s (1987).
The wettest August on record was 1981 with 195 mm. On average, August sees 89 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 Springfield 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.