April is close to Upper Subansiri's year-round average, with average highs near 23.9°C and lows around 13.4°C (mean 18.7°C). It is one of the drier months, averaging 179 mm of rainfall and 73% relative humidity across the period.
April is close to Upper Subansiri's year-round average. Across 45 years of records, the warmest April in Upper Subansiri was 1999 — when the month averaged 21.4°C — while the coldest was 1990 at 16.8°C. Typical April days reach 23.9°C with nights near 13.4°C. The long-term trend is warming, about 0.2°C per decade.
April is one of the drier months in Upper Subansiri, averaging 179 mm of rainfall. The wettest April on record was 2025 with 465 mm, while the driest was 1991 at 20 mm.
Relative humidity in Upper Subansiri during April averages 73%. The most humid April was 2022 at 85%, and the least humid was 1999 at 59%.
April receives about 3.5 kWh/m²/day of solar energy in Upper Subansiri. The sunniest Aprils were 1992, 1998 and 2019 at 4 kWh/m²/day, and the cloudiest was 2022 at 2.9.
Average wind speed in Upper Subansiri during April is 0.6 m/s. The windiest Aprils were 1989, 1995 and 1996 at 0.7 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.2°C | 18.6°C | 18.8°C | 19.0°C | 18.7°C | +0.5°C |
| Avg High | 23.7°C | 24.7°C | 24.1°C | 23.6°C | 23.3°C | -0.4°C |
| Avg Low | 12.8°C | 12.6°C | 13.5°C | 14.4°C | 14.1°C | +1.3°C |
| Avg Rain | 138 mm | 123 mm | 181 mm | 208 mm | 282 mm | +144 mm |
April temperatures in Upper Subansiri have risen by about 0.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 6.4°C (1996) to a record high of 32°C (1999).
Rainfall in April is one of the drier months, averaging 179 mm, with a wettest year of 465 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Upper Subansiri
April is one of the best times to visit Upper Subansiri. Expect days averaging 23.9°C and nights around 13.4°C (mean 18.7°C) — close to Upper Subansiri's yearly average — with higher rainfall (179 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 23.6°C | 19.1°C | 14.5°C | 26.2°C | 10.6°C | 465 mm | 80% | 0.5 m/s | 3.2 |
| 2024 | 24.3°C | 19.2°C | 14.2°C | 27.5°C | 11.4°C | 146 mm | 76% | 0.5 m/s | 3.1 |
| 2023 | 22.9°C | 18.4°C | 13.9°C | 29.4°C | 10.6°C | 149 mm | 80% | 0.5 m/s | 3 |
| 2022 | 23.0°C | 18.9°C | 14.8°C | 26.1°C | 12.5°C | 433 mm | 85% | 0.5 m/s | 2.9 |
| 2021 | 24.4°C | 19.2°C | 13.9°C | 31.1°C | 10.9°C | 89 mm | 73% | 0.6 m/s | 3.6 |
| 2020 | 21.9°C | 17.5°C | 13.2°C | 26.7°C | 9.6°C | 411 mm | 80% | 0.5 m/s | 3.4 |
| 2019 | 24.1°C | 19.3°C | 14.6°C | 29.5°C | 11.4°C | 118 mm | 75% | 0.6 m/s | 4 |
| 2018 | 23.4°C | 18.8°C | 14.2°C | 26.7°C | 10.0°C | 152 mm | 76% | 0.5 m/s | 3.8 |
| 2017 | 23.1°C | 19.0°C | 14.9°C | 27.9°C | 11.7°C | 330 mm | 82% | 0.6 m/s | 3.3 |
| 2016 | 23.2°C | 19.0°C | 14.9°C | 26.5°C | 12.5°C | 359 mm | 83% | 0.5 m/s | 3 |
| 2015 | 21.8°C | 18.0°C | 14.1°C | 26.5°C | 11.4°C | 235 mm | 82% | 0.6 m/s | 3 |
| 2014 | 25.6°C | 19.8°C | 14.1°C | 29.0°C | 9.7°C | 47 mm | 66% | 0.6 m/s | 3.6 |
| 2013 | 24.0°C | 19.2°C | 14.4°C | 27.7°C | 10.9°C | 139 mm | 75% | 0.6 m/s | 3.1 |
| 2012 | 23.3°C | 18.5°C | 13.7°C | 27.7°C | 8.9°C | 220 mm | 78% | 0.6 m/s | 3.1 |
| 2011 | 23.4°C | 18.5°C | 13.6°C | 27.0°C | 10.1°C | 126 mm | 78% | 0.6 m/s | 3.5 |
| 2010 | 24.2°C | 19.8°C | 15.4°C | 26.9°C | 12.9°C | 359 mm | 82% | 0.6 m/s | 3.5 |
| 2009 | 24.3°C | 19.3°C | 14.3°C | 28.2°C | 10.9°C | 169 mm | 76% | 0.5 m/s | 3.4 |
| 2008 | 24.2°C | 19.0°C | 13.8°C | 27.6°C | 10.6°C | 188 mm | 74% | 0.6 m/s | 3.2 |
| 2007 | 23.7°C | 18.9°C | 14.0°C | 28.7°C | 10.2°C | 239 mm | 76% | 0.6 m/s | 3.9 |
| 2006 | 24.1°C | 18.5°C | 12.9°C | 30.2°C | 10.9°C | 213 mm | 72% | 0.6 m/s | 3.7 |
| 2005 | 23.2°C | 18.2°C | 13.3°C | 27.0°C | 8.9°C | 177 mm | 78% | 0.6 m/s | 3.1 |
| 2004 | 23.6°C | 18.5°C | 13.4°C | 27.3°C | 10.1°C | 171 mm | 76% | 0.6 m/s | 3.7 |
| 2003 | 24.9°C | 19.3°C | 13.8°C | 28.4°C | 10.2°C | 141 mm | 72% | 0.6 m/s | 3.6 |
| 2002 | 23.9°C | 18.7°C | 13.5°C | 27.2°C | 9.7°C | 221 mm | 74% | 0.6 m/s | 3.4 |
| 2001 | 24.7°C | 19.0°C | 13.4°C | 29.1°C | 9.1°C | 95 mm | 68% | 0.6 m/s | 3 |
| 2000 | 24.0°C | 18.5°C | 13.0°C | 28.8°C | 9.6°C | 192 mm | 73% | 0.6 m/s | 3.8 |
| 1999 🔥 | 27.9°C | 21.4°C | 14.9°C | 32.0°C | 11.0°C | 178 mm | 59% | 0.6 m/s | 3.1 |
| 1998 | 25.4°C | 19.3°C | 13.2°C | 29.6°C | 10.7°C | 80 mm | 64% | 0.6 m/s | 4 |
| 1997 | 22.9°C | 17.3°C | 11.7°C | 28.6°C | 7.4°C | 99 mm | 69% | 0.6 m/s | 3.9 |
| 1996 | 25.2°C | 18.7°C | 12.2°C | 29.4°C | 6.4°C | 139 mm | 65% | 0.7 m/s | 3.7 |
| 1995 | 25.4°C | 18.6°C | 11.8°C | 27.8°C | 7.9°C | 102 mm | 62% | 0.7 m/s | 3.8 |
| 1994 | 23.9°C | 18.1°C | 12.2°C | 27.7°C | 9.7°C | 173 mm | 72% | 0.6 m/s | 3.9 |
| 1993 | 24.3°C | 18.2°C | 12.2°C | 28.3°C | 7.6°C | 96 mm | 67% | 0.6 m/s | 3.8 |
| 1992 | 24.8°C | 18.6°C | 12.5°C | 26.6°C | 9.2°C | 134 mm | 69% | 0.6 m/s | 4 |
| 1991 | 25.3°C | 19.2°C | 13.0°C | 29.2°C | 10.2°C | 20 mm | 60% | 0.6 m/s | 3.3 |
| 1990 ❄️ | 21.5°C | 16.8°C | 12.0°C | 25.3°C | 8.4°C | 209 mm | 80% | 0.6 m/s | 3.3 |
| 1989 | 24.0°C | 18.0°C | 12.0°C | 27.6°C | 8.4°C | 156 mm | 69% | 0.7 m/s | 3.7 |
| 1988 | 24.8°C | 19.1°C | 13.3°C | 29.1°C | 7.0°C | 143 mm | 70% | 0.6 m/s | 3.7 |
| 1987 | 24.2°C | 18.8°C | 13.3°C | 28.3°C | 10.2°C | 151 mm | 70% | 0.6 m/s | 3.7 |
| 1986 | 23.5°C | 18.0°C | 12.6°C | 28.0°C | 9.0°C | 120 mm | 71% | 0.6 m/s | 3.7 |
| 1985 | 24.3°C | 18.9°C | 13.5°C | 28.1°C | 9.8°C | 95 mm | 72% | 0.6 m/s | 3.4 |
| 1984 | 24.9°C | 19.3°C | 13.7°C | 27.8°C | 10.6°C | 132 mm | 70% | 0.6 m/s | 3.7 |
| 1983 | 23.4°C | 17.3°C | 11.3°C | 26.1°C | 8.9°C | 81 mm | 65% | 0.6 m/s | — |
| 1982 | 21.8°C | 17.4°C | 12.9°C | 25.1°C | 10.1°C | 189 mm | 82% | 0.6 m/s | — |
| 1981 | 22.3°C | 17.4°C | 12.6°C | 26.1°C | 9.2°C | 175 mm | 78% | 0.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 23.9°C with lows near 13.4°C (mean 18.7°C), based on 45 years of NASA POWER data.
April averages 179 mm of rainfall in Upper Subansiri, one of the drier months. The wettest on record was 465 mm in 2025.
The hottest April reached 32°C in 1999. The coldest dipped to 6.4°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.9°C. Daytime highs moved from 23.3°C to 23.6°C and overnight lows from 12.8°C to 14.3°C over the same span.
April is close to Upper Subansiri's year-round average and one of the drier months, so plan for around 23.9°C daytime highs and 13.4°C at night.
Not quite — April is the 6th coolest month in Upper Subansiri, averaging 18.7°C.
For April in Upper Subansiri, pack light layers you can adjust through the day, with typical highs of 23.9°C and lows of 13.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 73% — moderately humid.
Average wind speed in April is 0.6 m/s. The windiest April on record averaged 0.7 m/s (1989).
The wettest April on record was 2025 with 465 mm. On average, April sees 179 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 Subansiri 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.
