October is close to West Champaran's year-round average, with average highs near 30.9°C and lows around 20.6°C (mean 25.8°C). It is one of the drier months, averaging 52 mm of rainfall and 69% relative humidity across the period.
October is close to West Champaran's year-round average. Across 45 years of records, the warmest October in West Champaran was 1989 — when the month averaged 27.8°C — while the coldest was 2012 at 23.4°C. Typical October days reach 30.9°C with nights near 20.6°C. The long-term trend is cooling, about 0.2°C per decade.
October is one of the drier months in West Champaran, averaging 52 mm of rainfall. The wettest October on record was 2025 with 243 mm, while the driest was 1981 at 1 mm.
Relative humidity in West Champaran during October averages 69%. The most humid October was 2021 at 89%, and the least humid was 1989 at 50%.
October receives about 4.6 kWh/m²/day of solar energy in West Champaran. The sunniest October was 1993 at 5.3 kWh/m²/day, and the cloudiest was 2013 at 3.6.
Average wind speed in West Champaran during October is 1.2 m/s. The windiest October was 2021 at 1.7 m/s, while the calmest were 2008, 2011 and 2020, among others at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.7°C | 26.5°C | 25.7°C | 25.1°C | 25.5°C | -0.2°C |
| Avg High | 31.3°C | 32.4°C | 30.8°C | 29.8°C | 29.5°C | -1.8°C |
| Avg Low | 20.1°C | 20.5°C | 20.6°C | 20.5°C | 21.5°C | +1.4°C |
| Avg Rain | 40 mm | 28 mm | 51 mm | 50 mm | 117 mm | +76 mm |
October temperatures in West Champaran have stayed relatively stable across the record.
October has ranged from a record low of 14°C (2012) to a record high of 36.7°C (1983).
Rainfall in October is one of the drier months, averaging 52 mm, with a wettest year of 243 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.6°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit West Champaran
October is a good time to visit West Champaran, with days averaging 30.9°C and nights around 20.6°C (mean 25.8°C, close to West Champaran's yearly average) and moderate rainfall. November and February are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 29.2°C | 25.3°C | 21.3°C | 31.4°C | 18.0°C | 243 mm | 84% | 1.5 m/s | 3.8 |
| 2024 | 29.9°C | 26.0°C | 22.2°C | 31.9°C | 18.7°C | 18 mm | 85% | 1.4 m/s | 4.2 |
| 2023 | 29.6°C | 25.3°C | 21.0°C | 31.4°C | 17.5°C | 85 mm | 78% | 1.1 m/s | 4.5 |
| 2022 | 28.6°C | 24.5°C | 20.5°C | 32.2°C | 17.1°C | 162 mm | 84% | 1.2 m/s | 4.4 |
| 2021 | 29.1°C | 25.6°C | 22.0°C | 32.8°C | 15.9°C | 178 mm | 89% | 1.7 m/s | 3.9 |
| 2020 | 30.7°C | 26.2°C | 21.7°C | 32.1°C | 15.8°C | 15 mm | 75% | 0.9 m/s | 4.5 |
| 2019 | 28.1°C | 24.2°C | 20.4°C | 30.5°C | 16.9°C | 15 mm | 85% | 1.1 m/s | 3.8 |
| 2018 | 32.3°C | 26.2°C | 20.2°C | 33.6°C | 16.9°C | 4 mm | 60% | 1.2 m/s | 4.8 |
| 2017 | 31.1°C | 26.5°C | 21.9°C | 33.4°C | 16.3°C | 21 mm | 74% | 1.1 m/s | 4.4 |
| 2016 | 30.1°C | 25.4°C | 20.7°C | 32.5°C | 15.9°C | 72 mm | 77% | 1 m/s | 4.7 |
| 2015 | 31.2°C | 25.8°C | 20.4°C | 33.4°C | 16.7°C | 29 mm | 65% | 1 m/s | 4.7 |
| 2014 | 28.8°C | 24.4°C | 20.1°C | 31.4°C | 16.2°C | 88 mm | 79% | 1.1 m/s | 4.4 |
| 2013 | 28.4°C | 24.6°C | 20.8°C | 30.5°C | 16.3°C | 191 mm | 84% | 1.5 m/s | 3.6 |
| 2012 ❄️ | 28.3°C | 23.4°C | 18.4°C | 30.7°C | 14.0°C | 21 mm | 79% | 1.1 m/s | 4.8 |
| 2011 | 30.1°C | 25.4°C | 20.7°C | 31.7°C | 16.2°C | 4 mm | 75% | 0.9 m/s | 4.6 |
| 2010 | 29.6°C | 25.3°C | 21.0°C | 31.8°C | 15.6°C | 57 mm | 79% | 1.1 m/s | 4.3 |
| 2009 | 30.2°C | 24.8°C | 19.4°C | 33.6°C | 15.5°C | 61 mm | 70% | 1.2 m/s | 4.6 |
| 2008 | 29.4°C | 25.1°C | 20.7°C | 31.9°C | 16.1°C | 25 mm | 79% | 0.9 m/s | 4.7 |
| 2007 | 29.0°C | 24.8°C | 20.5°C | 31.7°C | 16.8°C | 30 mm | 81% | 0.9 m/s | 4.5 |
| 2006 | 30.2°C | 25.4°C | 20.6°C | 32.0°C | 17.7°C | 28 mm | 73% | 0.9 m/s | 4.7 |
| 2005 | 30.1°C | 25.6°C | 21.0°C | 33.1°C | 18.4°C | 168 mm | 74% | 1.1 m/s | 4.3 |
| 2004 | 30.1°C | 25.0°C | 19.9°C | 31.0°C | 16.7°C | 56 mm | 66% | 1.1 m/s | 4.6 |
| 2003 | 33.1°C | 26.8°C | 20.5°C | 35.7°C | 16.3°C | 45 mm | 60% | 1.5 m/s | 4.4 |
| 2002 | 33.5°C | 27.1°C | 20.8°C | 36.3°C | 16.8°C | 31 mm | 54% | 1.3 m/s | 4.6 |
| 2001 | 30.5°C | 25.9°C | 21.4°C | 32.1°C | 18.7°C | 61 mm | 74% | 1.3 m/s | 4.3 |
| 2000 | 32.4°C | 26.6°C | 20.8°C | 34.8°C | 17.3°C | 1 mm | 63% | 1.1 m/s | 5 |
| 1999 | 32.2°C | 26.6°C | 21.0°C | 34.8°C | 17.8°C | 76 mm | 64% | 1.3 m/s | 4.5 |
| 1998 | 32.0°C | 27.1°C | 22.2°C | 33.6°C | 16.9°C | 46 mm | 73% | 1.4 m/s | 4.9 |
| 1997 | 32.5°C | 26.3°C | 20.1°C | 35.0°C | 17.6°C | 16 mm | 56% | 1.3 m/s | 4.5 |
| 1996 | 31.0°C | 25.6°C | 20.1°C | 33.4°C | 14.5°C | 50 mm | 68% | 1.3 m/s | 4.6 |
| 1995 | 33.3°C | 27.3°C | 21.2°C | 34.8°C | 16.8°C | 9 mm | 57% | 1.1 m/s | 5.1 |
| 1994 | 32.5°C | 25.9°C | 19.2°C | 33.7°C | 15.6°C | 9 mm | 55% | 1.2 m/s | 5.2 |
| 1993 | 33.2°C | 26.8°C | 20.4°C | 34.8°C | 14.8°C | 4 mm | 54% | 1.2 m/s | 5.3 |
| 1992 | 33.4°C | 27.2°C | 21.1°C | 36.6°C | 15.7°C | 54 mm | 53% | 1.2 m/s | 4.8 |
| 1991 | 33.2°C | 26.5°C | 19.9°C | 34.6°C | 17.2°C | 2 mm | 55% | 1.2 m/s | 5.2 |
| 1990 | 30.8°C | 25.4°C | 20.1°C | 33.4°C | 16.0°C | 17 mm | 67% | 1.2 m/s | 4.9 |
| 1989 🔥 | 34.2°C | 27.8°C | 21.4°C | 36.6°C | 17.3°C | 17 mm | 50% | 1.1 m/s | 5.2 |
| 1988 | 31.7°C | 26.0°C | 20.2°C | 33.4°C | 16.4°C | 16 mm | 66% | 1.2 m/s | 5.2 |
| 1987 | 28.6°C | 24.1°C | 19.6°C | 30.8°C | 15.1°C | 92 mm | 80% | 1 m/s | 4.7 |
| 1986 | 32.4°C | 25.9°C | 19.4°C | 34.8°C | 14.9°C | 47 mm | 54% | 1.3 m/s | 5 |
| 1985 | 28.0°C | 24.1°C | 20.2°C | 30.9°C | 14.8°C | 110 mm | 81% | 1.1 m/s | 4.6 |
| 1984 | 31.1°C | 25.4°C | 19.7°C | 33.4°C | 15.5°C | 15 mm | 63% | 1.1 m/s | 5.1 |
| 1983 | 33.0°C | 27.2°C | 21.3°C | 36.7°C | 16.3°C | 62 mm | 59% | 1.5 m/s | — |
| 1982 | 32.7°C | 26.5°C | 20.3°C | 34.3°C | 17.6°C | 4 mm | 56% | 1.1 m/s | — |
| 1981 | 29.6°C | 24.1°C | 18.6°C | 30.8°C | 15.6°C | 1 mm | 71% | 1.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 30.9°C with lows near 20.6°C (mean 25.8°C), based on 45 years of NASA POWER data.
October averages 52 mm of rainfall in West Champaran, one of the drier months. The wettest on record was 243 mm in 2025.
The hottest October reached 36.7°C in 1983. The coldest dipped to 14°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have fallen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 20°C to 21.4°C while daytime highs eased from 30.9°C to 29.3°C, narrowing the gap between day and night.
October is close to West Champaran's year-round average and one of the drier months, so plan for around 30.9°C daytime highs and 20.6°C at night.
Not quite — October is the 5th coolest month in West Champaran, averaging 25.8°C.
For October in West Champaran, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 20.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 69% — moderately humid.
Average wind speed in October is 1.2 m/s. The windiest October on record averaged 1.7 m/s (2021).
The wettest October on record was 2025 with 243 mm. On average, October sees 52 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
