August is one of the warmer months of the year in West Champaran, with average highs near 35.3°C and lows around 24.5°C (mean 29.9°C). It is a relatively wet time of year, averaging 260 mm of rainfall and 82% relative humidity across the period.
August is one of the warmer months of the year in West Champaran. Across 45 years of records, the warmest August in West Champaran was 1983 — when the month averaged 31.8°C — while the coldest was 2013 at 28.4°C. Typical August days reach 35.3°C with nights near 24.5°C. The long-term trend is cooling, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.9°C | 30.5°C | 30.0°C | 29.5°C | 29.5°C | -0.4°C |
| Avg High | 35.4°C | 36.7°C | 35.5°C | 34.4°C | 34.3°C | -1.1°C |
| Avg Low | 24.4°C | 24.4°C | 24.4°C | 24.6°C | 24.6°C | +0.2°C |
| Avg Rain | 232 mm | 203 mm | 252 mm | 301 mm | 344 mm | +112 mm |
August temperatures in West Champaran have fallen by about 0.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 22.6°C (2013) to a record high of 38.9°C (2002).
Rainfall in August is a relatively wet time of year, averaging 260 mm, with a wettest year of 576 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A quieter season to visit West Champaran
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting West Champaran. That said, August — with days averaging 35.3°C and nights around 24.5°C (mean 29.9°C) and higher rainfall (260 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 | 35.6°C | 24.6°C | 30.1°C | 314 mm | 87% | 2.1 m/s | 4.1 |
| 2024 | 34.1°C | 24.5°C | 29.3°C | 253 mm | 85% | 1.9 m/s | 4.5 |
| 2023 | 35.4°C | 24.9°C | 30.1°C | 467 mm | 87% | 2 m/s | 3.9 |
| 2022 | 34.0°C | 24.8°C | 29.4°C | 314 mm | 84% | 2.1 m/s | 5 |
| 2021 🌧️ | 33.0°C | 25.0°C | 29.0°C | 576 mm | 90% | 1.9 m/s | 3.7 |
| 2020 | 33.9°C | 24.0°C | 29.0°C | 139 mm | 87% | 1.9 m/s | 5 |
| 2019 | 34.2°C | 25.1°C | 29.6°C | 174 mm | 86% | 1.8 m/s | 5.1 |
| 2018 | 34.3°C | 25.3°C | 29.8°C | 264 mm | 84% | 1.6 m/s | 4.4 |
| 2017 | 33.9°C | 25.2°C | 29.6°C | 451 mm | 89% | 1.7 m/s | 4.2 |
| 2016 | 35.5°C | 24.8°C | 30.2°C | 103 mm | 81% | 1.8 m/s | 5.4 |
| 2015 | 34.8°C | 24.6°C | 29.7°C | 423 mm | 84% | 1.6 m/s | 4.8 |
| 2014 | 34.4°C | 24.6°C | 29.5°C | 350 mm | 83% | 1.6 m/s | 4.5 |
| 2013 ❄️ | 34.2°C | 22.6°C | 28.4°C | 337 mm | 82% | 1.4 m/s | 5 |
| 2012 | 33.8°C | 24.2°C | 29.0°C | 230 mm | 82% | 1.5 m/s | 4.9 |
| 2011 | 33.6°C | 24.4°C | 29.0°C | 332 mm | 87% | 2.1 m/s | 4.6 |
| 2010 | 34.9°C | 24.9°C | 29.9°C | 342 mm | 84% | 1.8 m/s | 4.9 |
| 2009 | 34.9°C | 23.7°C | 29.3°C | 361 mm | 85% | 1.7 m/s | 4.4 |
| 2008 | 34.3°C | 24.4°C | 29.4°C | 407 mm | 88% | 1.9 m/s | 4.8 |
| 2007 | 34.3°C | 23.6°C | 29.0°C | 344 mm | 86% | 1.7 m/s | 4.6 |
| 2006 | 34.4°C | 24.4°C | 29.4°C | 215 mm | 82% | 2.1 m/s | 5.4 |
| 2005 | 34.0°C | 24.2°C | 29.1°C | 308 mm | 84% | 1.6 m/s | 4.5 |
| 2004 | 32.8°C | 24.4°C | 28.6°C | 217 mm | 85% | 2.1 m/s | 5.3 |
| 2003 | 36.6°C | 25.2°C | 30.9°C | 115 mm | 76% | 2.4 m/s | 5 |
| 2002 | 38.9°C | 24.5°C | 31.7°C | 95 mm | 69% | 2.6 m/s | 5.2 |
| 2001 | 38.3°C | 24.8°C | 31.6°C | 206 mm | 75% | 1.8 m/s | 5.1 |
| 2000 | 36.5°C | 24.6°C | 30.6°C | 250 mm | 79% | 2 m/s | 4.9 |
| 1999 | 38.5°C | 24.2°C | 31.3°C | 164 mm | 74% | 2 m/s | 4.4 |
| 1998 | 34.7°C | 24.7°C | 29.7°C | 309 mm | 85% | 2 m/s | 4.3 |
| 1997 | 36.1°C | 24.2°C | 30.2°C | 174 mm | 81% | 2.2 m/s | 4.7 |
| 1996 | 37.1°C | 24.0°C | 30.5°C | 302 mm | 83% | 1.9 m/s | 5.3 |
| 1995 | 34.3°C | 24.2°C | 29.3°C | 264 mm | 84% | 2.1 m/s | 5.5 |
| 1994 | 38.1°C | 24.5°C | 31.3°C | 134 mm | 73% | 2.2 m/s | 5.1 |
| 1993 | 38.3°C | 24.1°C | 31.2°C | 153 mm | 68% | 1.9 m/s | 4.5 |
| 1992 | 37.5°C | 24.4°C | 31.0°C | 184 mm | 74% | 2.3 m/s | 5.2 |
| 1991 | 38.0°C | 25.2°C | 31.6°C | 182 mm | 75% | 2.5 m/s | 3.8 |
| 1990 | 34.2°C | 24.4°C | 29.3°C | 167 mm | 87% | 2 m/s | 5.4 |
| 1989 | 34.6°C | 24.0°C | 29.3°C | 186 mm | 80% | 2.1 m/s | 5.2 |
| 1988 | 34.8°C | 23.3°C | 29.1°C | 340 mm | 85% | 2 m/s | 4 |
| 1987 | 34.2°C | 23.8°C | 29.0°C | 332 mm | 86% | 2.2 m/s | 4.5 |
| 1986 | 36.5°C | 23.5°C | 30.0°C | 167 mm | 79% | 2 m/s | 5.4 |
| 1985 | 34.5°C | 24.8°C | 29.6°C | 260 mm | 83% | 1.8 m/s | 5.2 |
| 1984 | 36.3°C | 24.7°C | 30.5°C | 229 mm | 81% | 2.2 m/s | 5.7 |
| 1983 🔥 | 38.1°C | 25.5°C | 31.8°C | 115 mm | 71% | 2.4 m/s | — |
| 1982 | 35.3°C | 24.9°C | 30.1°C | 197 mm | 79% | 2.1 m/s | — |
| 1981 | 34.3°C | 24.9°C | 29.6°C | 263 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 35.3°C with lows near 24.5°C (mean 29.9°C), based on 45 years of NASA POWER data.
August averages 260 mm of rainfall in West Champaran, a relatively wet time of year. The wettest on record was 576 mm in 2021.
The hottest August reached 38.9°C in 2002. The coldest dipped to 22.6°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.7°C. Daytime highs moved from 35.7°C to 34.4°C and overnight lows from 25°C to 24.8°C over the same span.
August is one of the warmer months of the year in West Champaran and a relatively wet time of year, so plan for around 35.3°C daytime highs and 24.5°C at night.
Not quite — August is the 8th coolest month in West Champaran, averaging 29.9°C.
For August in West Champaran, pack light, breathable clothing and sun protection, with typical highs of 35.3°C and lows of 24.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 82% — quite humid.
Average wind speed in August is 2 m/s. The windiest August on record averaged 2.6 m/s (2002).
The wettest August on record was 2021 with 576 mm. On average, August sees 260 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 West Champaran 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.
