March is one of the cooler months of the year in West Siang, with average highs near 28.7°C and lows around 8.3°C (mean 18.5°C). It is one of the drier months, averaging 89 mm of rainfall and 68% relative humidity across the period.
March is one of the cooler months of the year in West Siang. Across 45 years of records, the warmest March in West Siang was 2015 — when the month averaged 20.9°C — while the coldest was 1993 at 16.8°C. Typical March days reach 28.7°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 | 17.9°C | 17.8°C | 18.6°C | 19.2°C | 19.2°C | +1.3°C |
| Avg High | 28.2°C | 28.4°C | 29.1°C | 29.0°C | 28.7°C | +0.5°C |
| Avg Low | 7.5°C | 7.2°C | 8.0°C | 9.4°C | 9.7°C | +2.2°C |
| Avg Rain | 83 mm | 85 mm | 80 mm | 104 mm | 92 mm | +8 mm |
March temperatures in West Siang have risen by about 1.2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 5.3°C (1986) to a record high of 32°C (2000).
Rainfall in March is one of the drier months, averaging 89 mm, with a wettest year of 180 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.7°C per decade, narrowing the gap between day and night.
One of the best times to visit West Siang
March is one of the best times to visit West Siang. Expect days averaging 28.7°C and nights around 8.3°C (mean 18.5°C) — cooler than West Siang's yearly average — with higher rainfall (89 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 27.5°C | 9.3°C | 18.4°C | 87 mm | 76% | 0.3 m/s | 2.4 |
| 2024 | 28.2°C | 9.7°C | 18.9°C | 103 mm | 73% | 0.4 m/s | 2.7 |
| 2023 | 28.5°C | 8.8°C | 18.6°C | 139 mm | 77% | 0.4 m/s | 2.9 |
| 2022 | 30.7°C | 8.2°C | 19.5°C | 94 mm | 68% | 0.4 m/s | 4 |
| 2021 | 29.1°C | 10.7°C | 19.9°C | 81 mm | 73% | 0.4 m/s | 3 |
| 2020 | 28.3°C | 11.6°C | 20.0°C | 45 mm | 72% | 0.4 m/s | 3.1 |
| 2019 | 28.6°C | 6.7°C | 17.7°C | 59 mm | 73% | 0.4 m/s | 3.2 |
| 2018 | 27.8°C | 9.8°C | 18.8°C | 135 mm | 73% | 0.4 m/s | 3.2 |
| 2017 | 28.2°C | 10.4°C | 19.3°C | 128 mm | 76% | 0.4 m/s | 2.7 |
| 2016 | 29.9°C | 9.7°C | 19.8°C | 96 mm | 77% | 0.4 m/s | 3 |
| 2015 🔥 | 30.8°C | 11.0°C | 20.9°C | 54 mm | 71% | 0.4 m/s | 3.3 |
| 2014 | 28.7°C | 9.3°C | 19.0°C | 34 mm | 69% | 0.4 m/s | 3.3 |
| 2013 | 29.4°C | 11.6°C | 20.5°C | 119 mm | 67% | 0.4 m/s | 3.5 |
| 2012 | 28.7°C | 7.7°C | 18.2°C | 59 mm | 69% | 0.4 m/s | 3.2 |
| 2011 | 27.6°C | 8.1°C | 17.8°C | 171 mm | 74% | 0.4 m/s | 3.1 |
| 2010 🌧️ | 30.3°C | 10.1°C | 20.2°C | 180 mm | 72% | 0.4 m/s | 2.8 |
| 2009 | 28.3°C | 7.5°C | 17.9°C | 44 mm | 66% | 0.5 m/s | 3.4 |
| 2008 | 27.1°C | 8.5°C | 17.8°C | 148 mm | 69% | 0.4 m/s | 2.8 |
| 2007 | 30.9°C | 7.6°C | 19.3°C | 34 mm | 66% | 0.5 m/s | 3.7 |
| 2006 | 28.0°C | 9.4°C | 18.7°C | 61 mm | 65% | 0.5 m/s | 3 |
| 2005 | 27.9°C | 8.8°C | 18.4°C | 176 mm | 80% | 0.4 m/s | 2.5 |
| 2004 | 29.1°C | 8.7°C | 18.9°C | 140 mm | 68% | 0.4 m/s | 3 |
| 2003 | 29.2°C | 6.6°C | 17.9°C | 36 mm | 67% | 0.4 m/s | 3.2 |
| 2002 | 29.6°C | 7.6°C | 18.6°C | 83 mm | 63% | 0.5 m/s | 3.2 |
| 2001 | 28.6°C | 8.3°C | 18.5°C | 38 mm | 58% | 0.5 m/s | 3.4 |
| 2000 | 32.0°C | 7.0°C | 19.5°C | 43 mm | 63% | 0.5 m/s | 3.6 |
| 1999 | 29.5°C | 9.0°C | 19.3°C | 35 mm | 51% | 0.5 m/s | 3.1 |
| 1998 | 28.2°C | 6.3°C | 17.2°C | 78 mm | 67% | 0.5 m/s | 3 |
| 1997 | 27.1°C | 6.8°C | 16.9°C | 128 mm | 65% | 0.5 m/s | 2.9 |
| 1996 | 27.0°C | 8.8°C | 17.9°C | 120 mm | 70% | 0.4 m/s | 3.1 |
| 1995 | 30.5°C | 5.7°C | 18.1°C | 38 mm | 60% | 0.5 m/s | 3.2 |
| 1994 | 28.5°C | 6.6°C | 17.6°C | 174 mm | 67% | 0.4 m/s | 2.7 |
| 1993 ❄️ | 27.0°C | 6.6°C | 16.8°C | 81 mm | 66% | 0.5 m/s | 3 |
| 1992 | 28.6°C | 6.5°C | 17.6°C | 113 mm | 68% | 0.5 m/s | 3.1 |
| 1991 | 29.6°C | 8.5°C | 19.0°C | 21 mm | 61% | 0.4 m/s | 3.1 |
| 1990 | 27.5°C | 7.3°C | 17.4°C | 61 mm | 69% | 0.4 m/s | 2.8 |
| 1989 | 28.5°C | 7.3°C | 17.9°C | 35 mm | 65% | 0.5 m/s | 3.3 |
| 1988 | 27.1°C | 9.1°C | 18.1°C | 132 mm | 69% | 0.4 m/s | 2.8 |
| 1987 | 29.4°C | 7.1°C | 18.3°C | 68 mm | 66% | 0.4 m/s | 3.2 |
| 1986 | 28.9°C | 5.3°C | 17.1°C | 45 mm | 64% | 0.4 m/s | 3.2 |
| 1985 | 26.5°C | 9.1°C | 17.8°C | 151 mm | 68% | 0.4 m/s | 2.4 |
| 1984 | 30.2°C | 7.3°C | 18.7°C | 36 mm | 58% | 0.5 m/s | 3 |
| 1983 | 28.7°C | 6.0°C | 17.4°C | 24 mm | 63% | 0.5 m/s | — |
| 1982 | 28.5°C | 7.9°C | 18.2°C | 78 mm | 72% | 0.4 m/s | — |
| 1981 | 26.1°C | 8.7°C | 17.4°C | 180 mm | 74% | 0.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 28.7°C with lows near 8.3°C (mean 18.5°C), based on 45 years of NASA POWER data.
March averages 89 mm of rainfall in West Siang, one of the drier months. The wettest on record was 180 mm in 2010.
The hottest March reached 32°C in 2000. The coldest dipped to 5.3°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.2°C. Daytime highs moved from 28°C to 28.8°C and overnight lows from 7.8°C to 9.3°C over the same span.
March is one of the cooler months of the year in West Siang and one of the drier months, so plan for around 28.7°C daytime highs and 8.3°C at night.
Not quite — March is the 5th coolest month in West Siang, averaging 18.5°C.
For March in West Siang, pack light layers you can adjust through the day, with typical highs of 28.7°C and lows of 8.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 68% — moderately humid.
Average wind speed in March is 0.4 m/s. The windiest March on record averaged 0.5 m/s (1983).
The wettest March on record was 2010 with 180 mm. On average, March sees 89 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
