May is one of the warmer months of the year in Dibang Valley, with average highs near 15.7°C and lows around 4.7°C (mean 10.2°C). It is a relatively wet time of year, averaging 117 mm of rainfall and 80% relative humidity across the period.
May is one of the warmer months of the year in Dibang Valley. Across 45 years of records, the warmest May in Dibang Valley was 1998 — when the month averaged 12.1°C — while the coldest were 1983 and 2023 at 9°C. Typical May days reach 15.7°C with nights near 4.7°C. The long-term May temperature trend is broadly flat.
May is a relatively wet time of year in Dibang Valley, averaging 117 mm of rainfall. The wettest May on record was 2020 with 242 mm, while the driest was 1986 at 47 mm.
Relative humidity in Dibang Valley during May averages 80%. The most humid May was 2010 at 85%, and the least humid was 2003 at 74%.
May receives about 4 kWh/m²/day of solar energy in Dibang Valley. The sunniest May was 1995 at 5.1 kWh/m²/day, and the cloudiest was 2019 at 2.6.
Average wind speed in Dibang Valley during May is 2 m/s. The windiest May was 2014 at 2.5 m/s, while the calmest were 2016, 2020 and 2022, among others at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.8°C | 10.2°C | 10.6°C | 10.1°C | 10.2°C | +0.4°C |
| Avg High | 15.5°C | 16.0°C | 16.2°C | 15.2°C | 15.1°C | -0.4°C |
| Avg Low | 4.1°C | 4.5°C | 4.9°C | 5.0°C | 5.2°C | +1.1°C |
| Avg Rain | 84 mm | 112 mm | 106 mm | 140 mm | 157 mm | +73 mm |
May temperatures in Dibang Valley have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -3.4°C (1989) to a record high of 22.1°C (2000).
Rainfall in May is a relatively wet time of year, averaging 117 mm, with a wettest year of 242 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Dibang Valley
May is a good time to visit Dibang Valley, with days averaging 15.7°C and nights around 4.7°C (mean 10.2°C, warmer than Dibang Valley's yearly average) and higher rainfall. August and July are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 15.5°C | 11.0°C | 6.5°C | 19.9°C | 2.4°C | 168 mm | 84% | 1.9 m/s | 3.5 |
| 2024 | 15.6°C | 10.6°C | 5.5°C | 20.4°C | 1.0°C | 143 mm | 81% | 1.9 m/s | 3.9 |
| 2023 | 14.6°C | 9.0°C | 3.4°C | 20.0°C | 0.6°C | 85 mm | 80% | 2.2 m/s | 3.6 |
| 2022 | 15.3°C | 10.4°C | 5.5°C | 19.5°C | 1.8°C | 176 mm | 84% | 1.8 m/s | 3.8 |
| 2021 | 15.1°C | 10.5°C | 5.9°C | 18.8°C | 1.6°C | 129 mm | 83% | 2.4 m/s | 3 |
| 2020 🌧️ | 14.6°C | 9.5°C | 4.5°C | 17.8°C | 1.7°C | 242 mm | 82% | 1.8 m/s | 4.1 |
| 2019 | 15.3°C | 10.1°C | 4.9°C | 17.9°C | 1.8°C | 156 mm | 82% | 2.2 m/s | 2.6 |
| 2018 | 14.8°C | 10.0°C | 5.3°C | 19.3°C | 1.2°C | 112 mm | 82% | 2 m/s | 3.5 |
| 2017 | 15.1°C | 10.3°C | 5.6°C | 18.1°C | 0.8°C | 186 mm | 84% | 1.9 m/s | 3.9 |
| 2016 | 15.1°C | 10.0°C | 4.8°C | 19.2°C | 0.7°C | 120 mm | 83% | 1.8 m/s | 4.1 |
| 2015 | 14.5°C | 9.5°C | 4.6°C | 18.1°C | 1.4°C | 172 mm | 83% | 2 m/s | 3.6 |
| 2014 | 15.0°C | 10.1°C | 5.3°C | 19.8°C | 1.2°C | 125 mm | 83% | 2.5 m/s | 3.2 |
| 2013 | 15.1°C | 10.2°C | 5.4°C | 21.4°C | -1.1°C | 137 mm | 84% | 2.4 m/s | 3.9 |
| 2012 | 16.4°C | 10.5°C | 4.7°C | 19.4°C | -0.8°C | 106 mm | 78% | 2.1 m/s | 4.8 |
| 2011 | 15.9°C | 10.5°C | 5.1°C | 20.7°C | 0.5°C | 90 mm | 79% | 2 m/s | 4.5 |
| 2010 | 14.9°C | 9.7°C | 4.4°C | 18.7°C | 1.3°C | 199 mm | 85% | 2.2 m/s | 3.5 |
| 2009 | 16.1°C | 10.6°C | 5.2°C | 20.5°C | 1.8°C | 89 mm | 78% | 2 m/s | 4.3 |
| 2008 | 16.6°C | 10.9°C | 5.2°C | 18.8°C | 0.8°C | 100 mm | 78% | 1.8 m/s | 4 |
| 2007 | 17.2°C | 11.5°C | 5.9°C | 21.2°C | 1.7°C | 81 mm | 77% | 1.9 m/s | 4.4 |
| 2006 | 16.9°C | 11.1°C | 5.3°C | 20.5°C | 1.5°C | 150 mm | 77% | 1.9 m/s | 4.1 |
| 2005 | 14.7°C | 9.3°C | 3.8°C | 19.3°C | 0.7°C | 118 mm | 80% | 1.9 m/s | 3.7 |
| 2004 | 15.3°C | 9.7°C | 4.1°C | 18.7°C | -0.9°C | 175 mm | 79% | 2.1 m/s | 3.5 |
| 2003 | 15.7°C | 9.7°C | 3.8°C | 19.8°C | -0.7°C | 60 mm | 74% | 2.4 m/s | 3.6 |
| 2002 | 16.1°C | 10.3°C | 4.5°C | 20.4°C | -2.3°C | 76 mm | 79% | 1.9 m/s | 4.7 |
| 2001 | 17.0°C | 11.1°C | 5.1°C | 21.3°C | 1.1°C | 85 mm | 77% | 1.8 m/s | 4.2 |
| 2000 | 16.9°C | 11.3°C | 5.6°C | 22.1°C | 1.1°C | 127 mm | 78% | 1.8 m/s | 4 |
| 1999 | 16.1°C | 10.8°C | 5.6°C | 21.1°C | 1.5°C | 113 mm | 80% | 2 m/s | 4 |
| 1998 🔥 | 18.4°C | 12.1°C | 5.8°C | 21.8°C | 1.1°C | 97 mm | 75% | 1.9 m/s | 5 |
| 1997 | 15.5°C | 9.6°C | 3.7°C | 19.4°C | 0.9°C | 71 mm | 76% | 2.1 m/s | 4.6 |
| 1996 | 14.8°C | 9.3°C | 3.8°C | 19.7°C | 0.5°C | 158 mm | 82% | 2.3 m/s | 4.3 |
| 1995 | 16.9°C | 11.3°C | 5.6°C | 20.4°C | 1.4°C | 178 mm | 80% | 2.1 m/s | 5.1 |
| 1994 | 16.3°C | 10.3°C | 4.2°C | 19.8°C | 0.8°C | 106 mm | 78% | 2 m/s | 4.4 |
| 1993 | 15.4°C | 9.7°C | 3.9°C | 20.5°C | 0.9°C | 96 mm | 79% | 2 m/s | 4.2 |
| 1992 | 14.9°C | 9.3°C | 3.6°C | 18.8°C | 1.1°C | 70 mm | 78% | 2.1 m/s | 3.9 |
| 1991 | 15.2°C | 9.6°C | 4.0°C | 18.9°C | 1.0°C | 93 mm | 81% | 2 m/s | 3.8 |
| 1990 | 16.3°C | 10.4°C | 4.5°C | 20.4°C | 0.1°C | 135 mm | 79% | 1.9 m/s | 4.2 |
| 1989 | 16.1°C | 10.7°C | 5.3°C | 18.9°C | -3.4°C | 91 mm | 80% | 2 m/s | 4.6 |
| 1988 | 15.9°C | 10.2°C | 4.5°C | 19.6°C | 1.2°C | 154 mm | 80% | 2.1 m/s | 3.9 |
| 1987 | 15.5°C | 9.7°C | 3.9°C | 20.8°C | 0.6°C | 52 mm | 78% | 2 m/s | 4.1 |
| 1986 | 15.3°C | 9.1°C | 2.9°C | 18.8°C | -0.6°C | 47 mm | 75% | 2.1 m/s | 5 |
| 1985 | 15.3°C | 9.8°C | 4.3°C | 18.1°C | 1.3°C | 70 mm | 78% | 2.1 m/s | 3.4 |
| 1984 | 16.0°C | 10.2°C | 4.3°C | 21.4°C | 0.1°C | 58 mm | 78% | 2 m/s | 4.6 |
| 1983 ❄️ | 14.8°C | 9.0°C | 3.2°C | 18.7°C | -0.3°C | 106 mm | 80% | 1.9 m/s | — |
| 1982 | 15.7°C | 9.7°C | 3.8°C | 19.9°C | -0.7°C | 59 mm | 77% | 2.1 m/s | — |
| 1981 | 15.0°C | 9.8°C | 4.7°C | 18.3°C | 1.7°C | 120 mm | 82% | 2 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 15.7°C with lows near 4.7°C (mean 10.2°C), based on 45 years of NASA POWER data.
May averages 117 mm of rainfall in Dibang Valley, a relatively wet time of year. The wettest on record was 242 mm in 2020.
The hottest May reached 22.1°C in 2000. The coldest dipped to -3.4°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.6°C — but days and nights have moved in opposite directions. Overnight lows rose from 4.1°C to 5.4°C while daytime highs eased from 15.4°C to 15.2°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Dibang Valley and a relatively wet time of year, so plan for around 15.7°C daytime highs and 4.7°C at night.
Not quite — May is the 8th coolest month in Dibang Valley, averaging 10.2°C.
For May in Dibang Valley, pack warm layers and a jacket for chilly mornings, with typical highs of 15.7°C and lows of 4.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 80% — quite humid.
Average wind speed in May is 2 m/s. The windiest May on record averaged 2.5 m/s (2014).
The wettest May on record was 2020 with 242 mm. On average, May sees 117 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 Dibang Valley 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.
