April is close to East Siang's year-round average, with average highs near 34.7°C and lows around 16.1°C (mean 25.4°C). It is about average for rainfall, averaging 214 mm of rainfall and 63% relative humidity across the period.
April is close to East Siang's year-round average. Across 45 years of records, the warmest April in East Siang was 2020 — when the month averaged 28.5°C — while the coldest was 1990 at 22.8°C. Typical April days reach 34.7°C with nights near 16.1°C. The long-term April temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.0°C | 25.4°C | 25.8°C | 25.1°C | 25.9°C | +0.9°C |
| Avg High | 34.2°C | 35.4°C | 35.3°C | 33.7°C | 34.9°C | +0.7°C |
| Avg Low | 15.8°C | 15.3°C | 16.4°C | 16.5°C | 16.9°C | +1.1°C |
| Avg Rain | 204 mm | 148 mm | 203 mm | 274 mm | 255 mm | +51 mm |
April temperatures in East Siang have risen by about 0.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 13.6°C (1990) to a record high of 40.4°C (2020).
Rainfall in April is about average for rainfall, averaging 214 mm, with a wettest year of 534 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit East Siang
April is a good time to visit East Siang, with days averaging 34.7°C and nights around 16.1°C (mean 25.4°C, close to East Siang's yearly average) and higher rainfall. November and December are marginally more temperate, but April still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.5°C | 17.2°C | 24.9°C | 451 mm | 69% | 0.5 m/s | 3.2 |
| 2024 | 33.7°C | 17.7°C | 25.7°C | 182 mm | 65% | 0.6 m/s | 3.1 |
| 2023 | 33.7°C | 15.8°C | 24.8°C | 122 mm | 66% | 0.6 m/s | 3.5 |
| 2022 | 32.6°C | 17.0°C | 24.8°C | 467 mm | 76% | 0.6 m/s | 2.9 |
| 2021 | 36.4°C | 16.9°C | 26.6°C | 111 mm | 65% | 0.6 m/s | 3.9 |
| 2020 🔥 | 40.4°C | 16.6°C | 28.5°C | 197 mm | 66% | 0.5 m/s | 3.4 |
| 2019 | 35.8°C | 14.7°C | 25.2°C | 161 mm | 67% | 0.6 m/s | 4.3 |
| 2018 | 33.4°C | 16.7°C | 25.1°C | 151 mm | 66% | 0.6 m/s | 4.2 |
| 2017 | 32.8°C | 17.3°C | 25.1°C | 421 mm | 73% | 0.6 m/s | 3.4 |
| 2016 | 33.1°C | 16.9°C | 25.0°C | 437 mm | 76% | 0.6 m/s | 2.8 |
| 2015 | 32.0°C | 17.3°C | 24.7°C | 267 mm | 73% | 0.5 m/s | 3.2 |
| 2014 | 36.8°C | 16.9°C | 26.9°C | 57 mm | 54% | 0.6 m/s | 3.9 |
| 2013 | 34.5°C | 16.5°C | 25.5°C | 206 mm | 66% | 0.5 m/s | 3.2 |
| 2012 | 33.4°C | 15.2°C | 24.3°C | 348 mm | 69% | 0.6 m/s | 3.1 |
| 2011 | 32.8°C | 15.6°C | 24.2°C | 156 mm | 65% | 0.6 m/s | 3.8 |
| 2010 🌧️ | 32.7°C | 18.2°C | 25.4°C | 534 mm | 75% | 0.6 m/s | 3.4 |
| 2009 | 34.8°C | 15.3°C | 25.0°C | 171 mm | 65% | 0.6 m/s | 3.6 |
| 2008 | 35.1°C | 16.9°C | 26.0°C | 222 mm | 60% | 0.6 m/s | 3.3 |
| 2007 | 35.0°C | 15.6°C | 25.3°C | 235 mm | 66% | 0.6 m/s | 3.6 |
| 2006 | 36.0°C | 16.7°C | 26.4°C | 205 mm | 61% | 0.6 m/s | 3.5 |
| 2005 | 32.2°C | 15.5°C | 23.8°C | 224 mm | 66% | 0.6 m/s | 3.2 |
| 2004 | 33.4°C | 15.7°C | 24.5°C | 192 mm | 65% | 0.6 m/s | 3.9 |
| 2003 | 36.0°C | 17.0°C | 26.5°C | 143 mm | 59% | 0.6 m/s | 3.6 |
| 2002 | 39.4°C | 16.5°C | 27.9°C | 321 mm | 59% | 0.6 m/s | 3.8 |
| 2001 | 35.6°C | 17.3°C | 26.4°C | 104 mm | 53% | 0.6 m/s | 2.8 |
| 2000 | 35.9°C | 17.1°C | 26.5°C | 215 mm | 59% | 0.6 m/s | 3.3 |
| 1999 | 39.0°C | 17.3°C | 28.1°C | 237 mm | 50% | 0.6 m/s | 3.3 |
| 1998 | 36.0°C | 15.9°C | 26.0°C | 83 mm | 56% | 0.6 m/s | 4.2 |
| 1997 | 34.9°C | 14.7°C | 24.8°C | 113 mm | 58% | 0.6 m/s | 4.7 |
| 1996 | 36.3°C | 14.3°C | 25.3°C | 155 mm | 56% | 0.6 m/s | 3.9 |
| 1995 | 36.2°C | 14.4°C | 25.3°C | 132 mm | 53% | 0.6 m/s | 4 |
| 1994 | 34.3°C | 16.5°C | 25.4°C | 188 mm | 58% | 0.6 m/s | 3.7 |
| 1993 | 34.1°C | 14.1°C | 24.1°C | 105 mm | 57% | 0.6 m/s | 3.7 |
| 1992 | 34.4°C | 16.3°C | 25.3°C | 176 mm | 59% | 0.6 m/s | 4.2 |
| 1991 | 36.8°C | 16.3°C | 26.6°C | 38 mm | 51% | 0.6 m/s | 3.3 |
| 1990 ❄️ | 32.1°C | 13.6°C | 22.8°C | 251 mm | 70% | 0.6 m/s | 3.1 |
| 1989 | 33.9°C | 14.3°C | 24.1°C | 224 mm | 60% | 0.6 m/s | 4.1 |
| 1988 | 34.2°C | 14.7°C | 24.5°C | 202 mm | 62% | 0.6 m/s | 3.7 |
| 1987 | 33.5°C | 16.7°C | 25.1°C | 229 mm | 63% | 0.6 m/s | 4 |
| 1986 | 36.3°C | 15.7°C | 26.0°C | 209 mm | 62% | 0.6 m/s | 3.9 |
| 1985 | 36.7°C | 16.0°C | 26.3°C | 152 mm | 63% | 0.6 m/s | 3.6 |
| 1984 | 34.8°C | 17.7°C | 26.2°C | 228 mm | 61% | 0.6 m/s | 3.6 |
| 1983 | 33.6°C | 15.8°C | 24.7°C | 146 mm | 56% | 0.6 m/s | — |
| 1982 | 31.7°C | 15.8°C | 23.8°C | 227 mm | 71% | 0.6 m/s | — |
| 1981 | 32.7°C | 15.3°C | 24.0°C | 218 mm | 66% | 0.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 34.7°C with lows near 16.1°C (mean 25.4°C), based on 45 years of NASA POWER data.
April averages 214 mm of rainfall in East Siang, about average for rainfall. The wettest on record was 534 mm in 2010.
The hottest April reached 40.4°C in 2020. The coldest dipped to 13.6°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.4°C. Daytime highs moved from 33.9°C to 33.8°C and overnight lows from 16.1°C to 16.9°C over the same span.
April is close to East Siang's year-round average and about average for rainfall, so plan for around 34.7°C daytime highs and 16.1°C at night.
Not quite — April is the 6th coolest month in East Siang, averaging 25.4°C.
For April in East Siang, pack light, breathable clothing and sun protection, with typical highs of 34.7°C and lows of 16.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 63% — moderately humid.
Average wind speed in April is 0.6 m/s. The windiest April on record averaged 0.6 m/s (1981).
The wettest April on record was 2010 with 534 mm. On average, April sees 214 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
