August is one of the warmer months of the year in Supaul, with average highs near 35°C and lows around 24.5°C (mean 29.8°C). It is a relatively wet time of year, averaging 218 mm of rainfall and 84% relative humidity across the period.
August is one of the warmer months of the year in Supaul. Across 45 years of records, the warmest August in Supaul was 1994 — when the month averaged 33°C — while the coldest were 2004 and 2025 at 28.9°C. Typical August days reach 35°C with nights near 24.5°C. The long-term August temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.3°C | 30.4°C | 29.8°C | 29.8°C | 29.2°C | -0.1°C |
| Avg High | 34.4°C | 36.4°C | 35.1°C | 34.6°C | 33.8°C | -0.6°C |
| Avg Low | 24.2°C | 24.4°C | 24.6°C | 24.9°C | 24.7°C | +0.5°C |
| Avg Rain | 200 mm | 169 mm | 203 mm | 221 mm | 350 mm | +150 mm |
August temperatures in Supaul have stayed relatively stable across the record.
August has ranged from a record low of 23.1°C (1999) to a record high of 40.5°C (1994).
Rainfall in August is a relatively wet time of year, averaging 218 mm, with a wettest year of 585 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Supaul
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Supaul. That said, August — with days averaging 35°C and nights around 24.5°C (mean 29.8°C) and higher rainfall (218 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.6°C | 24.3°C | 28.9°C | 283 mm | 87% | 2.1 m/s | 4.4 |
| 2024 | 33.6°C | 24.8°C | 29.2°C | 325 mm | 87% | 2.2 m/s | 4.9 |
| 2023 🌧️ | 34.3°C | 25.1°C | 29.7°C | 585 mm | 88% | 2.2 m/s | 3.8 |
| 2022 | 34.4°C | 23.8°C | 29.1°C | 200 mm | 85% | 2.3 m/s | 4.8 |
| 2021 | 33.5°C | 25.2°C | 29.3°C | 458 mm | 90% | 2 m/s | 4.1 |
| 2020 | 33.3°C | 24.9°C | 29.1°C | 250 mm | 89% | 2.2 m/s | 4.9 |
| 2019 | 35.4°C | 25.5°C | 30.5°C | 130 mm | 86% | 2.2 m/s | 5.3 |
| 2018 | 34.8°C | 24.9°C | 29.8°C | 202 mm | 86% | 1.9 m/s | 4.8 |
| 2017 | 33.9°C | 25.4°C | 29.7°C | 362 mm | 88% | 1.8 m/s | 4.4 |
| 2016 | 34.9°C | 25.0°C | 29.9°C | 117 mm | 86% | 2.2 m/s | 5.6 |
| 2015 | 35.1°C | 25.0°C | 30.0°C | 294 mm | 84% | 1.9 m/s | 4.5 |
| 2014 | 34.2°C | 25.2°C | 29.7°C | 221 mm | 84% | 1.8 m/s | 4.6 |
| 2013 | 34.9°C | 24.4°C | 29.6°C | 170 mm | 83% | 1.8 m/s | 5 |
| 2012 | 33.8°C | 24.4°C | 29.1°C | 139 mm | 83% | 1.4 m/s | 5.2 |
| 2011 | 34.6°C | 24.2°C | 29.4°C | 313 mm | 89% | 2.4 m/s | 4.9 |
| 2010 | 34.7°C | 25.1°C | 29.9°C | 259 mm | 86% | 1.9 m/s | 4.8 |
| 2009 | 35.3°C | 23.9°C | 29.6°C | 328 mm | 87% | 2 m/s | 4.6 |
| 2008 | 34.3°C | 24.6°C | 29.4°C | 274 mm | 88% | 2.1 m/s | 4.5 |
| 2007 | 34.9°C | 24.1°C | 29.5°C | 197 mm | 86% | 1.8 m/s | 4.7 |
| 2006 | 34.9°C | 24.7°C | 29.8°C | 126 mm | 82% | 2.6 m/s | 5.5 |
| 2005 | 34.6°C | 24.7°C | 29.6°C | 363 mm | 86% | 2.1 m/s | 4.4 |
| 2004 ❄️ | 32.8°C | 25.1°C | 28.9°C | 196 mm | 88% | 2.7 m/s | 5.2 |
| 2003 | 35.0°C | 25.6°C | 30.3°C | 72 mm | 83% | 2.7 m/s | 5.3 |
| 2002 | 34.7°C | 23.4°C | 29.0°C | 209 mm | 85% | 2.8 m/s | 5 |
| 2001 | 37.4°C | 24.7°C | 31.0°C | 117 mm | 77% | 2.4 m/s | 5 |
| 2000 | 37.1°C | 24.8°C | 30.9°C | 148 mm | 79% | 2.4 m/s | 4.8 |
| 1999 | 37.1°C | 23.1°C | 30.1°C | 220 mm | 83% | 2.6 m/s | 4.4 |
| 1998 | 33.4°C | 25.2°C | 29.3°C | 165 mm | 86% | 2.3 m/s | 4.5 |
| 1997 | 35.4°C | 24.3°C | 29.8°C | 166 mm | 84% | 2.5 m/s | 4.7 |
| 1996 | 34.8°C | 24.0°C | 29.4°C | 154 mm | 83% | 2.3 m/s | 5.1 |
| 1995 | 34.3°C | 24.8°C | 29.6°C | 255 mm | 84% | 2.4 m/s | 5 |
| 1994 🔥 | 40.5°C | 25.4°C | 33.0°C | 126 mm | 71% | 2.9 m/s | 5 |
| 1993 | 38.9°C | 24.1°C | 31.5°C | 137 mm | 70% | 2.5 m/s | 4.1 |
| 1992 | 38.4°C | 24.2°C | 31.3°C | 133 mm | 75% | 2.7 m/s | 4.7 |
| 1991 | 36.1°C | 24.5°C | 30.3°C | 198 mm | 79% | 2.7 m/s | 3.9 |
| 1990 | 34.7°C | 24.5°C | 29.6°C | 133 mm | 85% | 2.1 m/s | 5 |
| 1989 | 35.5°C | 23.4°C | 29.4°C | 94 mm | 81% | 2.3 m/s | 4.8 |
| 1988 | 34.4°C | 23.6°C | 29.0°C | 265 mm | 85% | 2 m/s | 4 |
| 1987 | 33.9°C | 24.7°C | 29.3°C | 432 mm | 88% | 2.2 m/s | 4.2 |
| 1986 | 34.3°C | 23.7°C | 29.0°C | 165 mm | 83% | 2.2 m/s | 5.2 |
| 1985 | 35.0°C | 24.9°C | 30.0°C | 157 mm | 85% | 2.3 m/s | 4.8 |
| 1984 | 34.0°C | 24.3°C | 29.2°C | 174 mm | 86% | 2.5 m/s | 5.5 |
| 1983 | 34.9°C | 23.5°C | 29.2°C | 119 mm | 83% | 2.6 m/s | — |
| 1982 | 34.4°C | 24.4°C | 29.4°C | 134 mm | 85% | 3.1 m/s | — |
| 1981 | 33.0°C | 25.0°C | 29.0°C | 259 mm | 88% | 2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 35°C with lows near 24.5°C (mean 29.8°C), based on 45 years of NASA POWER data.
August averages 218 mm of rainfall in Supaul, a relatively wet time of year. The wettest on record was 585 mm in 2023.
The hottest August reached 40.5°C in 1994. The coldest dipped to 23.1°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.2°C. Daytime highs moved from 34.3°C to 33.9°C and overnight lows from 24.4°C to 24.6°C over the same span.
August is one of the warmer months of the year in Supaul and a relatively wet time of year, so plan for around 35°C daytime highs and 24.5°C at night.
Not quite — August is the 8th coolest month in Supaul, averaging 29.8°C.
For August in Supaul, pack light, breathable clothing and sun protection, with typical highs of 35°C and lows of 24.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 84% — quite humid.
Average wind speed in August is 2.3 m/s. The windiest August on record averaged 3.1 m/s (1982).
The wettest August on record was 2023 with 585 mm. On average, August sees 218 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 Supaul 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.
