October is close to Upper Siang's year-round average, with average highs near 26.6°C and lows around 8.3°C (mean 17.5°C). It is one of the drier months, averaging 116 mm of rainfall and 80% relative humidity across the period.
October is close to Upper Siang's year-round average. Across 45 years of records, the warmest October in Upper Siang was 2021 — when the month averaged 19.5°C — while the coldest was 1986 at 15.2°C. Typical October days reach 26.6°C with nights near 8.3°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 | 16.8°C | 16.9°C | 17.7°C | 17.7°C | 18.5°C | +1.7°C |
| Avg High | 26.0°C | 26.1°C | 27.2°C | 26.6°C | 27.4°C | +1.4°C |
| Avg Low | 7.7°C | 7.7°C | 8.2°C | 8.7°C | 9.5°C | +1.8°C |
| Avg Rain | 104 mm | 101 mm | 102 mm | 101 mm | 207 mm | +102 mm |
October temperatures in Upper Siang have risen by about 1.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 6.2°C (1992) to a record high of 28.8°C (1985).
Rainfall in October is one of the drier months, averaging 116 mm, with a wettest year of 434 mm.
One of the best times to visit Upper Siang
October is one of the best times to visit Upper Siang. Expect days averaging 26.6°C and nights around 8.3°C (mean 17.5°C) — close to Upper Siang's yearly average — with higher rainfall (116 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 26.3°C | 11.6°C | 18.9°C | 199 mm | 82% | 0.3 m/s | 3.8 |
| 2024 | 26.3°C | 11.0°C | 18.7°C | 188 mm | 85% | 0.3 m/s | 2.7 |
| 2023 | 28.0°C | 7.1°C | 17.6°C | 115 mm | 79% | 0.3 m/s | 3.8 |
| 2022 🌧️ | 28.5°C | 8.5°C | 18.5°C | 434 mm | 82% | 0.3 m/s | 3.4 |
| 2021 🔥 | 28.3°C | 10.6°C | 19.5°C | 177 mm | 82% | 0.3 m/s | 3.9 |
| 2020 | 27.0°C | 8.3°C | 17.6°C | 127 mm | 84% | 0.2 m/s | 3.8 |
| 2019 | 26.7°C | 10.3°C | 18.5°C | 117 mm | 84% | 0.3 m/s | 3.5 |
| 2018 | 25.6°C | 7.5°C | 16.6°C | 55 mm | 79% | 0.3 m/s | 3.6 |
| 2017 | 26.9°C | 8.8°C | 17.9°C | 211 mm | 84% | 0.3 m/s | 3.5 |
| 2016 | 28.3°C | 9.2°C | 18.7°C | 121 mm | 79% | 0.3 m/s | 4.2 |
| 2015 | 27.2°C | 9.9°C | 18.5°C | 63 mm | 80% | 0.3 m/s | 4.6 |
| 2014 | 27.0°C | 9.0°C | 18.0°C | 30 mm | 79% | 0.3 m/s | 4.8 |
| 2013 | 26.4°C | 7.9°C | 17.2°C | 162 mm | 82% | 0.3 m/s | 3.4 |
| 2012 | 25.2°C | 7.7°C | 16.4°C | 119 mm | 82% | 0.3 m/s | 4.1 |
| 2011 | 26.2°C | 8.3°C | 17.3°C | 19 mm | 79% | 0.3 m/s | 4.2 |
| 2010 | 26.8°C | 8.8°C | 17.8°C | 112 mm | 81% | 0.3 m/s | 3.6 |
| 2009 | 27.6°C | 8.3°C | 17.9°C | 123 mm | 77% | 0.3 m/s | 4.1 |
| 2008 | 27.9°C | 7.5°C | 17.7°C | 120 mm | 77% | 0.4 m/s | 4.1 |
| 2007 | 28.1°C | 8.6°C | 18.3°C | 67 mm | 80% | 0.3 m/s | 3.6 |
| 2006 | 27.7°C | 7.4°C | 17.6°C | 106 mm | 73% | 0.4 m/s | 4.4 |
| 2005 | 27.7°C | 8.3°C | 18.0°C | 87 mm | 78% | 0.3 m/s | 3.9 |
| 2004 | 26.7°C | 6.3°C | 16.5°C | 160 mm | 78% | 0.3 m/s | 3.9 |
| 2003 | 26.2°C | 10.8°C | 18.5°C | 126 mm | 82% | 0.3 m/s | 3.2 |
| 2002 | 26.6°C | 6.5°C | 16.5°C | 41 mm | 74% | 0.4 m/s | 4.3 |
| 2001 | 26.5°C | 8.8°C | 17.7°C | 158 mm | 79% | 0.3 m/s | 3.8 |
| 2000 | 27.0°C | 9.2°C | 18.1°C | 31 mm | 75% | 0.4 m/s | 3.8 |
| 1999 | 26.4°C | 10.0°C | 18.2°C | 128 mm | 81% | 0.3 m/s | 3.5 |
| 1998 | 27.0°C | 8.1°C | 17.5°C | 68 mm | 78% | 0.3 m/s | 3.4 |
| 1997 | 24.7°C | 6.6°C | 15.7°C | 26 mm | 76% | 0.4 m/s | 4.2 |
| 1996 | 27.7°C | 8.2°C | 17.9°C | 135 mm | 78% | 0.3 m/s | 4.3 |
| 1995 | 27.8°C | 7.6°C | 17.7°C | 58 mm | 77% | 0.4 m/s | 4.3 |
| 1994 | 25.7°C | 6.3°C | 16.0°C | 183 mm | 79% | 0.3 m/s | 4.2 |
| 1993 | 25.3°C | 6.8°C | 16.0°C | 90 mm | 78% | 0.4 m/s | 3.5 |
| 1992 | 25.7°C | 6.2°C | 16.0°C | 113 mm | 80% | 0.3 m/s | 3.1 |
| 1991 | 26.0°C | 8.4°C | 17.2°C | 93 mm | 81% | 0.3 m/s | 3.4 |
| 1990 | 24.7°C | 8.5°C | 16.6°C | 114 mm | 80% | 0.3 m/s | 3.6 |
| 1989 | 25.9°C | 6.3°C | 16.1°C | 132 mm | 81% | 0.3 m/s | 3.8 |
| 1988 | 27.3°C | 8.5°C | 17.9°C | 153 mm | 83% | 0.3 m/s | 3.6 |
| 1987 | 24.7°C | 7.8°C | 16.2°C | 113 mm | 81% | 0.3 m/s | 3.3 |
| 1986 ❄️ | 23.6°C | 6.9°C | 15.2°C | 190 mm | 81% | 0.3 m/s | 4.1 |
| 1985 | 28.8°C | 8.3°C | 18.5°C | 72 mm | 80% | 0.3 m/s | 4.2 |
| 1984 | 25.6°C | 8.3°C | 17.0°C | 71 mm | 83% | 0.3 m/s | 3.1 |
| 1983 | 28.1°C | 6.4°C | 17.2°C | 86 mm | 80% | 0.3 m/s | — |
| 1982 | 25.3°C | 7.6°C | 16.5°C | 35 mm | 79% | 0.4 m/s | — |
| 1981 | 24.7°C | 9.0°C | 16.9°C | 87 mm | 80% | 0.3 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 26.6°C with lows near 8.3°C (mean 17.5°C), based on 45 years of NASA POWER data.
October averages 116 mm of rainfall in Upper Siang, one of the drier months. The wettest on record was 434 mm in 2022.
The hottest October reached 28.8°C in 1985. The coldest dipped to 6.2°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.4°C. Daytime highs moved from 26.5°C to 27.5°C and overnight lows from 7.9°C to 9.8°C over the same span.
October is close to Upper Siang's year-round average and one of the drier months, so plan for around 26.6°C daytime highs and 8.3°C at night.
Not quite — October is the 7th coolest month in Upper Siang, averaging 17.5°C.
For October in Upper Siang, pack light layers you can adjust through the day, with typical highs of 26.6°C and lows of 8.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 80% — 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 434 mm. On average, October sees 116 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 Upper 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.
