August is one of the warmer months of the year in East Siang, with average highs near 33.2°C and lows around 25.4°C (mean 29.3°C). It is a relatively wet time of year, averaging 416 mm of rainfall and 75% relative humidity across the period.
August is one of the warmer months of the year in East Siang. Across 45 years of records, the warmest August in East Siang was 2001 — when the month averaged 30.7°C — while the coldest was 1993 at 28°C. Typical August days reach 33.2°C with nights near 25.4°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in East Siang, averaging 416 mm of rainfall. The wettest August on record was 2021 with 964 mm, while the driest was 1982 at 95 mm.
Relative humidity in East Siang during August averages 75%. The most humid August was 2014 at 83%, and the least humid was 2006 at 69%.
August receives about 4 kWh/m²/day of solar energy in East Siang. The sunniest August was 2016 at 5.4 kWh/m²/day, and the cloudiest was 1988 at 2.6.
Average wind speed in East Siang during August is 0.4 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.4 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.2°C | 29.3°C | 29.7°C | 29.3°C | 29.2°C | 0°C |
| Avg High | 33.2°C | 33.3°C | 33.7°C | 33.0°C | 32.8°C | -0.4°C |
| Avg Low | 25.1°C | 25.2°C | 25.6°C | 25.6°C | 25.7°C | +0.6°C |
| Avg Rain | 364 mm | 390 mm | 369 mm | 449 mm | 564 mm | +200 mm |
August temperatures in East Siang have fallen by about 0.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 21.5°C (2013) to a record high of 44.4°C (2011).
Rainfall in August is a relatively wet time of year, averaging 416 mm, with a wettest year of 964 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit East Siang
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting East Siang. That said, August — with days averaging 33.2°C and nights around 25.4°C (mean 29.3°C) and higher rainfall (416 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.5°C | 28.3°C | 25.0°C | 35.3°C | 23.7°C | 464 mm | 82% | 0.4 m/s | 3.7 |
| 2024 | 33.7°C | 29.9°C | 26.1°C | 36.0°C | 24.4°C | 509 mm | 76% | 0.4 m/s | 4.9 |
| 2023 | 32.8°C | 29.3°C | 25.8°C | 44.1°C | 23.0°C | 560 mm | 80% | 0.4 m/s | 3.6 |
| 2022 | 33.9°C | 30.1°C | 26.4°C | 36.8°C | 24.3°C | 320 mm | 75% | 0.4 m/s | 4.8 |
| 2021 🌧️ | 31.7°C | 28.2°C | 24.8°C | 40.7°C | 21.5°C | 964 mm | 82% | 0.4 m/s | 3.3 |
| 2020 | 33.0°C | 29.4°C | 25.9°C | 37.6°C | 23.9°C | 569 mm | 79% | 0.4 m/s | 4.3 |
| 2019 | 33.9°C | 30.1°C | 26.3°C | 38.9°C | 24.2°C | 217 mm | 77% | 0.4 m/s | 5 |
| 2018 | 33.4°C | 29.7°C | 25.9°C | 37.1°C | 24.2°C | 218 mm | 77% | 0.4 m/s | 4.3 |
| 2017 | 33.1°C | 29.4°C | 25.7°C | 38.7°C | 22.8°C | 680 mm | 79% | 0.4 m/s | 4.2 |
| 2016 | 34.3°C | 30.4°C | 26.4°C | 39.5°C | 24.0°C | 207 mm | 77% | 0.4 m/s | 5.4 |
| 2015 | 31.8°C | 28.3°C | 24.8°C | 37.1°C | 21.9°C | 895 mm | 82% | 0.4 m/s | 3.5 |
| 2014 | 31.5°C | 28.1°C | 24.6°C | 36.5°C | 22.4°C | 560 mm | 83% | 0.4 m/s | 3.5 |
| 2013 | 32.5°C | 28.9°C | 25.3°C | 36.5°C | 21.5°C | 434 mm | 80% | 0.4 m/s | 4.8 |
| 2012 | 33.1°C | 29.5°C | 25.9°C | 36.8°C | 23.1°C | 448 mm | 79% | 0.4 m/s | 4.3 |
| 2011 | 33.3°C | 29.1°C | 24.9°C | 44.4°C | 23.2°C | 332 mm | 73% | 0.4 m/s | 4.8 |
| 2010 | 33.0°C | 29.4°C | 25.8°C | 36.2°C | 23.8°C | 496 mm | 75% | 0.4 m/s | 4.2 |
| 2009 | 33.2°C | 29.3°C | 25.5°C | 37.7°C | 23.4°C | 623 mm | 74% | 0.4 m/s | 4 |
| 2008 | 31.9°C | 28.4°C | 24.9°C | 37.0°C | 22.2°C | 424 mm | 77% | 0.4 m/s | 3.3 |
| 2007 | 34.4°C | 30.1°C | 25.9°C | 41.7°C | 23.5°C | 276 mm | 71% | 0.4 m/s | 4.6 |
| 2006 | 35.2°C | 30.6°C | 26.0°C | 39.5°C | 24.2°C | 278 mm | 69% | 0.4 m/s | 5 |
| 2005 | 33.4°C | 29.4°C | 25.4°C | 43.6°C | 23.1°C | 353 mm | 75% | 0.4 m/s | 3.4 |
| 2004 | 33.5°C | 29.6°C | 25.7°C | 36.6°C | 24.0°C | 345 mm | 73% | 0.4 m/s | 4.4 |
| 2003 | 34.1°C | 30.3°C | 26.4°C | 40.6°C | 24.5°C | 425 mm | 72% | 0.4 m/s | 3.8 |
| 2002 | 33.4°C | 29.2°C | 25.0°C | 36.5°C | 23.1°C | 393 mm | 73% | 0.4 m/s | 4.5 |
| 2001 🔥 | 35.3°C | 30.7°C | 26.1°C | 41.9°C | 24.4°C | 283 mm | 70% | 0.4 m/s | 4.1 |
| 2000 | 32.8°C | 28.9°C | 25.1°C | 36.6°C | 22.2°C | 286 mm | 76% | 0.4 m/s | 3.8 |
| 1999 | 33.1°C | 29.2°C | 25.3°C | 38.6°C | 22.5°C | 360 mm | 73% | 0.4 m/s | 3.9 |
| 1998 | 31.5°C | 28.1°C | 24.6°C | 35.5°C | 23.5°C | 378 mm | 80% | 0.4 m/s | 3.4 |
| 1997 | 33.9°C | 29.6°C | 25.3°C | 40.0°C | 23.0°C | 237 mm | 72% | 0.4 m/s | 4.6 |
| 1996 | 33.6°C | 29.5°C | 25.5°C | 39.1°C | 22.6°C | 502 mm | 70% | 0.4 m/s | 3.6 |
| 1995 | 33.3°C | 29.2°C | 25.2°C | 36.8°C | 22.6°C | 384 mm | 73% | 0.4 m/s | 4.6 |
| 1994 | 35.0°C | 30.3°C | 25.6°C | 41.8°C | 23.7°C | 384 mm | 70% | 0.4 m/s | 3.7 |
| 1993 ❄️ | 31.6°C | 28.0°C | 24.4°C | 35.3°C | 22.1°C | 685 mm | 78% | 0.4 m/s | 2.8 |
| 1992 | 33.7°C | 29.5°C | 25.2°C | 36.0°C | 23.7°C | 273 mm | 71% | 0.4 m/s | 3.4 |
| 1991 | 33.5°C | 29.2°C | 24.9°C | 37.4°C | 22.6°C | 416 mm | 74% | 0.4 m/s | 3.2 |
| 1990 | 34.2°C | 29.9°C | 25.6°C | 39.8°C | 24.0°C | 286 mm | 70% | 0.4 m/s | 3.5 |
| 1989 | 33.5°C | 29.3°C | 25.1°C | 37.0°C | 22.6°C | 362 mm | 71% | 0.4 m/s | 3.7 |
| 1988 | 31.9°C | 28.2°C | 24.6°C | 35.8°C | 22.0°C | 690 mm | 79% | 0.4 m/s | 2.6 |
| 1987 | 32.8°C | 28.7°C | 24.7°C | 38.8°C | 22.0°C | 451 mm | 75% | 0.4 m/s | 2.8 |
| 1986 | 33.6°C | 29.2°C | 24.7°C | 40.0°C | 22.7°C | 486 mm | 74% | 0.4 m/s | 3.8 |
| 1985 | 33.7°C | 29.8°C | 26.0°C | 41.0°C | 22.7°C | 280 mm | 71% | 0.4 m/s | 3.7 |
| 1984 | 33.3°C | 29.2°C | 25.0°C | 39.7°C | 23.3°C | 334 mm | 74% | 0.4 m/s | 3.6 |
| 1983 | 33.4°C | 29.3°C | 25.1°C | 36.6°C | 23.2°C | 186 mm | 72% | 0.4 m/s | — |
| 1982 | 34.0°C | 29.8°C | 25.5°C | 43.6°C | 24.2°C | 95 mm | 71% | 0.4 m/s | — |
| 1981 | 32.8°C | 29.2°C | 25.5°C | 37.1°C | 23.4°C | 390 mm | 76% | 0.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 33.2°C with lows near 25.4°C (mean 29.3°C), based on 45 years of NASA POWER data.
August averages 416 mm of rainfall in East Siang, a relatively wet time of year. The wettest on record was 964 mm in 2021.
The hottest August reached 44.4°C in 2011. The coldest dipped to 21.5°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.4°C to 25.6°C while daytime highs eased from 33.4°C to 32.7°C, narrowing the gap between day and night.
August is one of the warmer months of the year in East Siang and a relatively wet time of year, so plan for around 33.2°C daytime highs and 25.4°C at night.
Not quite — August is the 12th coolest month in East Siang, averaging 29.3°C.
For August in East Siang, pack light, breathable clothing and sun protection, with typical highs of 33.2°C and lows of 25.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 75% — quite humid.
Average wind speed in August is 0.4 m/s. The windiest August on record averaged 0.4 m/s (1981).
The wettest August on record was 2021 with 964 mm. On average, August sees 416 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 East Siang 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.
