May is one of the warmer months of the year in Upper Subansiri, with average highs near 25.8°C and lows around 16.4°C (mean 21.1°C). It is a relatively wet time of year, averaging 257 mm of rainfall and 77% relative humidity across the period.
May is one of the warmer months of the year in Upper Subansiri. Across 45 years of records, the warmest May in Upper Subansiri was 1998 — when the month averaged 23.1°C — while the coldest was 2005 at 19.6°C. Typical May days reach 25.8°C with nights near 16.4°C. The long-term May temperature trend is broadly flat.
May is a relatively wet time of year in Upper Subansiri, averaging 257 mm of rainfall. The wettest May on record was 2004 with 526 mm, while the driest was 1991 at 58 mm.
Relative humidity in Upper Subansiri during May averages 77%. The most humid Mays were 2010 and 2025 at 85%, and the least humid was 1986 at 64%.
May receives about 3.9 kWh/m²/day of solar energy in Upper Subansiri. The sunniest May was 1995 at 5.1 kWh/m²/day, and the cloudiest were 2019 and 2021 at 2.6.
Average wind speed in Upper Subansiri during May is 0.5 m/s. The windiest Mays were 1986, 1988 and 2013 at 0.6 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 | 20.9°C | 21.2°C | 21.3°C | 21.0°C | 20.8°C | -0.1°C |
| Avg High | 25.9°C | 26.2°C | 26.3°C | 25.1°C | 25.1°C | -0.8°C |
| Avg Low | 15.9°C | 16.3°C | 16.2°C | 16.9°C | 16.6°C | +0.7°C |
| Avg Rain | 180 mm | 236 mm | 239 mm | 313 mm | 346 mm | +166 mm |
May temperatures in Upper Subansiri have stayed relatively stable across the record.
May has ranged from a record low of 9.9°C (1989) to a record high of 32.9°C (1998).
Rainfall in May is a relatively wet time of year, averaging 257 mm, with a wettest year of 526 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Upper Subansiri
May is one of the best times to visit Upper Subansiri. Expect days averaging 25.8°C and nights around 16.4°C (mean 21.1°C) — warmer than Upper Subansiri's yearly average — with higher rainfall (257 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 | 24.9°C | 21.2°C | 17.5°C | 29.2°C | 14.7°C | 374 mm | 85% | 0.5 m/s | 3.5 |
| 2024 | 26.2°C | 21.4°C | 16.6°C | 32.1°C | 12.7°C | 226 mm | 77% | 0.5 m/s | 3.8 |
| 2023 | 24.2°C | 19.7°C | 15.2°C | 29.8°C | 13.2°C | 229 mm | 81% | 0.5 m/s | 3.3 |
| 2022 | 25.1°C | 21.0°C | 16.8°C | 28.4°C | 12.9°C | 433 mm | 82% | 0.5 m/s | 3.7 |
| 2021 | 25.0°C | 21.0°C | 17.0°C | 30.7°C | 13.8°C | 353 mm | 83% | 0.5 m/s | 2.6 |
| 2020 | 25.1°C | 20.7°C | 16.4°C | 28.0°C | 13.9°C | 460 mm | 80% | 0.5 m/s | 3.9 |
| 2019 | 25.0°C | 20.9°C | 16.9°C | 28.3°C | 14.7°C | 391 mm | 84% | 0.5 m/s | 2.6 |
| 2018 | 24.6°C | 20.5°C | 16.5°C | 28.9°C | 13.9°C | 239 mm | 82% | 0.5 m/s | 3.5 |
| 2017 | 25.1°C | 21.1°C | 17.1°C | 28.2°C | 13.3°C | 379 mm | 82% | 0.5 m/s | 3.8 |
| 2016 | 24.4°C | 20.6°C | 16.7°C | 27.9°C | 12.8°C | 241 mm | 83% | 0.5 m/s | 4 |
| 2015 | 24.3°C | 20.4°C | 16.6°C | 28.1°C | 13.8°C | 393 mm | 84% | 0.5 m/s | 3.4 |
| 2014 | 25.5°C | 21.5°C | 17.4°C | 29.4°C | 13.3°C | 414 mm | 82% | 0.5 m/s | 3.2 |
| 2013 | 25.4°C | 21.3°C | 17.1°C | 30.0°C | 11.7°C | 296 mm | 83% | 0.6 m/s | 3.6 |
| 2012 | 26.3°C | 21.6°C | 16.9°C | 29.7°C | 12.3°C | 261 mm | 77% | 0.5 m/s | 4.3 |
| 2011 | 25.9°C | 21.1°C | 16.4°C | 29.9°C | 13.0°C | 209 mm | 77% | 0.5 m/s | 4.4 |
| 2010 | 24.7°C | 20.9°C | 17.1°C | 27.8°C | 13.5°C | 310 mm | 85% | 0.5 m/s | 3.4 |
| 2009 | 25.9°C | 21.2°C | 16.5°C | 30.2°C | 14.3°C | 176 mm | 77% | 0.5 m/s | 3.8 |
| 2008 | 26.3°C | 21.2°C | 16.0°C | 29.4°C | 14.0°C | 270 mm | 75% | 0.5 m/s | 3.7 |
| 2007 | 27.0°C | 22.1°C | 17.1°C | 31.3°C | 14.9°C | 214 mm | 76% | 0.5 m/s | 4.4 |
| 2006 | 26.5°C | 21.4°C | 16.4°C | 30.4°C | 13.3°C | 269 mm | 75% | 0.5 m/s | 4.1 |
| 2005 ❄️ | 24.2°C | 19.6°C | 14.9°C | 29.1°C | 12.6°C | 263 mm | 79% | 0.5 m/s | 3.5 |
| 2004 🌧️ | 25.4°C | 20.8°C | 16.2°C | 29.2°C | 13.1°C | 526 mm | 80% | 0.5 m/s | 3.3 |
| 2003 | 26.3°C | 20.9°C | 15.6°C | 31.0°C | 12.1°C | 135 mm | 71% | 0.5 m/s | 3.3 |
| 2002 | 26.4°C | 21.1°C | 15.8°C | 30.2°C | 10.7°C | 137 mm | 74% | 0.5 m/s | 4.9 |
| 2001 | 27.2°C | 22.1°C | 16.9°C | 30.4°C | 13.9°C | 194 mm | 71% | 0.5 m/s | 4.3 |
| 2000 | 27.3°C | 22.2°C | 17.0°C | 32.0°C | 12.4°C | 206 mm | 72% | 0.5 m/s | 3.8 |
| 1999 | 26.5°C | 21.8°C | 17.1°C | 31.5°C | 13.4°C | 192 mm | 77% | 0.5 m/s | 4.1 |
| 1998 🔥 | 28.7°C | 23.1°C | 17.6°C | 32.9°C | 14.6°C | 167 mm | 67% | 0.5 m/s | 4.4 |
| 1997 | 25.7°C | 20.6°C | 15.5°C | 28.8°C | 12.3°C | 204 mm | 73% | 0.5 m/s | 4.2 |
| 1996 | 24.5°C | 20.2°C | 15.9°C | 28.6°C | 11.8°C | 469 mm | 83% | 0.5 m/s | 4.7 |
| 1995 | 27.1°C | 22.1°C | 17.2°C | 30.6°C | 14.3°C | 341 mm | 77% | 0.5 m/s | 5.1 |
| 1994 | 26.7°C | 21.4°C | 16.1°C | 30.2°C | 13.4°C | 295 mm | 73% | 0.5 m/s | 4.2 |
| 1993 | 24.8°C | 20.3°C | 15.8°C | 29.1°C | 13.3°C | 246 mm | 79% | 0.5 m/s | 4.4 |
| 1992 | 25.1°C | 20.1°C | 15.2°C | 29.0°C | 12.0°C | 178 mm | 75% | 0.5 m/s | 3.4 |
| 1991 | 26.8°C | 21.7°C | 16.5°C | 31.3°C | 12.8°C | 58 mm | 69% | 0.5 m/s | 3.8 |
| 1990 | 26.0°C | 21.0°C | 16.0°C | 29.1°C | 13.2°C | 205 mm | 77% | 0.5 m/s | 3.9 |
| 1989 | 26.6°C | 21.5°C | 16.4°C | 29.7°C | 9.9°C | 152 mm | 75% | 0.5 m/s | 4.3 |
| 1988 | 26.0°C | 21.2°C | 16.3°C | 29.5°C | 13.4°C | 376 mm | 77% | 0.6 m/s | 3.9 |
| 1987 | 25.8°C | 20.6°C | 15.4°C | 31.5°C | 12.0°C | 127 mm | 73% | 0.5 m/s | 4.1 |
| 1986 | 27.1°C | 21.2°C | 15.3°C | 30.8°C | 12.4°C | 61 mm | 64% | 0.6 m/s | 4.2 |
| 1985 | 26.0°C | 20.9°C | 15.9°C | 29.7°C | 12.8°C | 95 mm | 71% | 0.5 m/s | 3.3 |
| 1984 | 25.3°C | 20.5°C | 15.6°C | 30.6°C | 12.9°C | 172 mm | 77% | 0.5 m/s | 4.3 |
| 1983 | 25.1°C | 20.1°C | 15.2°C | 30.8°C | 12.3°C | 205 mm | 77% | 0.5 m/s | — |
| 1982 | 25.5°C | 20.9°C | 16.3°C | 28.6°C | 12.3°C | 137 mm | 78% | 0.5 m/s | — |
| 1981 | 25.3°C | 21.0°C | 16.6°C | 28.4°C | 14.0°C | 294 mm | 81% | 0.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 25.8°C with lows near 16.4°C (mean 21.1°C), based on 45 years of NASA POWER data.
May averages 257 mm of rainfall in Upper Subansiri, a relatively wet time of year. The wettest on record was 526 mm in 2004.
The hottest May reached 32.9°C in 1998. The coldest dipped to 9.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 15.9°C to 16.6°C while daytime highs eased from 25.4°C to 25.1°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Upper Subansiri and a relatively wet time of year, so plan for around 25.8°C daytime highs and 16.4°C at night.
Not quite — May is the 8th coolest month in Upper Subansiri, averaging 21.1°C.
For May in Upper Subansiri, pack light layers you can adjust through the day, with typical highs of 25.8°C and lows of 16.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 77% — quite humid.
Average wind speed in May is 0.5 m/s. The windiest May on record averaged 0.6 m/s (1986).
The wettest May on record was 2004 with 526 mm. On average, May sees 257 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 May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
