October is close to West Siang's year-round average, with average highs near 30.6°C and lows around 13°C (mean 21.8°C). It is one of the drier months, averaging 140 mm of rainfall and 79% relative humidity across the period.
October is close to West Siang's year-round average. Across 45 years of records, the warmest October in West Siang was 2021 — when the month averaged 24°C — while the coldest was 2004 at 20°C. Typical October days reach 30.6°C with nights near 13°C. The long-term trend is warming, about 0.4°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.2°C | 21.5°C | 21.7°C | 22.2°C | 22.8°C | +1.6°C |
| Avg High | 30.0°C | 30.3°C | 30.8°C | 30.6°C | 31.6°C | +1.6°C |
| Avg Low | 12.4°C | 12.7°C | 12.6°C | 13.8°C | 14.0°C | +1.6°C |
| Avg Rain | 129 mm | 123 mm | 118 mm | 123 mm | 248 mm | +119 mm |
October temperatures in West Siang have risen by about 1.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 10.8°C (2004) to a record high of 33.3°C (2021).
Rainfall in October is one of the drier months, averaging 140 mm, with a wettest year of 502 mm.
One of the best times to visit West Siang
October is one of the best times to visit West Siang. Expect days averaging 30.6°C and nights around 13°C (mean 21.8°C) — close to West Siang's yearly average — with higher rainfall (140 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 30.7°C | 16.3°C | 23.5°C | 246 mm | 80% | 0.3 m/s | 3.5 |
| 2024 | 29.9°C | 14.9°C | 22.4°C | 209 mm | 84% | 0.3 m/s | 2.7 |
| 2023 | 31.1°C | 11.8°C | 21.4°C | 145 mm | 78% | 0.3 m/s | 3.6 |
| 2022 🌧️ | 32.5°C | 12.8°C | 22.6°C | 502 mm | 81% | 0.3 m/s | 3.3 |
| 2021 🔥 | 33.3°C | 14.7°C | 24.0°C | 204 mm | 80% | 0.3 m/s | 3.4 |
| 2020 | 32.1°C | 13.7°C | 22.9°C | 180 mm | 83% | 0.3 m/s | 3.4 |
| 2019 | 30.9°C | 15.3°C | 23.1°C | 153 mm | 82% | 0.3 m/s | 3.2 |
| 2018 | 30.5°C | 12.9°C | 21.7°C | 58 mm | 78% | 0.3 m/s | 3.3 |
| 2017 | 31.0°C | 13.6°C | 22.3°C | 264 mm | 82% | 0.3 m/s | 3.3 |
| 2016 | 32.1°C | 14.2°C | 23.1°C | 143 mm | 79% | 0.3 m/s | 3.9 |
| 2015 | 31.3°C | 14.5°C | 22.9°C | 88 mm | 79% | 0.4 m/s | 4.3 |
| 2014 | 31.5°C | 14.1°C | 22.8°C | 35 mm | 77% | 0.3 m/s | 4.5 |
| 2013 | 30.1°C | 12.8°C | 21.4°C | 203 mm | 81% | 0.3 m/s | 3.4 |
| 2012 | 29.3°C | 13.6°C | 21.5°C | 162 mm | 80% | 0.3 m/s | 3.8 |
| 2011 | 30.0°C | 12.9°C | 21.5°C | 21 mm | 77% | 0.4 m/s | 4.1 |
| 2010 | 29.3°C | 13.8°C | 21.5°C | 105 mm | 81% | 0.3 m/s | 3.4 |
| 2009 | 31.6°C | 12.7°C | 22.2°C | 168 mm | 77% | 0.4 m/s | 3.7 |
| 2008 | 30.9°C | 12.2°C | 21.6°C | 129 mm | 76% | 0.4 m/s | 4 |
| 2007 | 33.2°C | 12.5°C | 22.9°C | 88 mm | 78% | 0.3 m/s | 3.4 |
| 2006 | 30.8°C | 12.1°C | 21.5°C | 109 mm | 72% | 0.3 m/s | 4.1 |
| 2005 | 30.4°C | 13.2°C | 21.8°C | 88 mm | 76% | 0.3 m/s | 3.6 |
| 2004 ❄️ | 29.1°C | 10.8°C | 20.0°C | 189 mm | 78% | 0.3 m/s | 3.6 |
| 2003 | 30.1°C | 15.0°C | 22.6°C | 163 mm | 81% | 0.3 m/s | 3 |
| 2002 | 29.9°C | 11.4°C | 20.7°C | 41 mm | 74% | 0.3 m/s | 3.9 |
| 2001 | 30.5°C | 13.5°C | 22.0°C | 176 mm | 78% | 0.3 m/s | 3.7 |
| 2000 | 31.3°C | 12.7°C | 22.0°C | 31 mm | 75% | 0.3 m/s | 3.6 |
| 1999 | 32.7°C | 15.1°C | 23.9°C | 171 mm | 80% | 0.3 m/s | 3.6 |
| 1998 | 31.6°C | 12.9°C | 22.3°C | 81 mm | 76% | 0.3 m/s | 3.3 |
| 1997 | 29.5°C | 11.8°C | 20.6°C | 25 mm | 74% | 0.4 m/s | 3.7 |
| 1996 | 30.9°C | 13.2°C | 22.0°C | 166 mm | 78% | 0.3 m/s | 3.9 |
| 1995 | 29.8°C | 12.8°C | 21.3°C | 70 mm | 76% | 0.3 m/s | 3.7 |
| 1994 | 28.7°C | 11.6°C | 20.1°C | 234 mm | 78% | 0.3 m/s | 3.8 |
| 1993 | 30.3°C | 11.3°C | 20.8°C | 106 mm | 77% | 0.3 m/s | 3.6 |
| 1992 | 29.5°C | 10.9°C | 20.2°C | 134 mm | 78% | 0.4 m/s | 2.9 |
| 1991 | 30.3°C | 14.1°C | 22.2°C | 113 mm | 80% | 0.3 m/s | 3.2 |
| 1990 | 29.3°C | 12.9°C | 21.1°C | 131 mm | 79% | 0.3 m/s | 3.5 |
| 1989 | 30.7°C | 10.9°C | 20.8°C | 176 mm | 81% | 0.3 m/s | 3.5 |
| 1988 | 30.2°C | 14.4°C | 22.3°C | 187 mm | 83% | 0.3 m/s | 3.5 |
| 1987 | 28.8°C | 12.1°C | 20.5°C | 107 mm | 79% | 0.3 m/s | 3.1 |
| 1986 | 28.7°C | 11.7°C | 20.2°C | 244 mm | 79% | 0.4 m/s | 3.7 |
| 1985 | 28.9°C | 13.4°C | 21.1°C | 78 mm | 79% | 0.3 m/s | 3.8 |
| 1984 | 30.3°C | 12.6°C | 21.5°C | 100 mm | 82% | 0.3 m/s | 2.9 |
| 1983 | 33.2°C | 11.1°C | 22.1°C | 102 mm | 79% | 0.3 m/s | — |
| 1982 | 30.3°C | 12.3°C | 21.3°C | 41 mm | 76% | 0.4 m/s | — |
| 1981 | 29.3°C | 13.4°C | 21.3°C | 124 mm | 78% | 0.3 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 30.6°C with lows near 13°C (mean 21.8°C), based on 45 years of NASA POWER data.
October averages 140 mm of rainfall in West Siang, one of the drier months. The wettest on record was 502 mm in 2022.
The hottest October reached 33.3°C in 2021. The coldest dipped to 10.8°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.3°C. Daytime highs moved from 30.4°C to 31.5°C and overnight lows from 12.6°C to 14.1°C over the same span.
October is close to West Siang's year-round average and one of the drier months, so plan for around 30.6°C daytime highs and 13°C at night.
Not quite — October is the 7th coolest month in West Siang, averaging 21.8°C.
For October in West Siang, pack light, breathable clothing and sun protection, with typical highs of 30.6°C and lows of 13°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 79% — quite humid.
Average wind speed in October is 0.3 m/s. The windiest October on record averaged 0.4 m/s (1982).
The wettest October on record was 2022 with 502 mm. On average, October sees 140 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 Siang 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.
