May is one of the warmer months of the year in Sivasagar, with average highs near 36.5°C and lows around 20.2°C (mean 28.4°C). It is a relatively wet time of year, averaging 238 mm of rainfall and 68% relative humidity across the period.
May is one of the warmer months of the year in Sivasagar. Across 45 years of records, the warmest May in Sivasagar was 1991 — when the month averaged 31°C — while the coldest were 1996 and 2022 at 26.6°C. Typical May days reach 36.5°C with nights near 20.2°C. The long-term trend is cooling, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.5°C | 29.0°C | 28.6°C | 27.6°C | 28.2°C | -0.3°C |
| Avg High | 37.4°C | 37.3°C | 37.1°C | 34.7°C | 35.9°C | -1.5°C |
| Avg Low | 19.5°C | 20.7°C | 20.1°C | 20.5°C | 20.5°C | +1°C |
| Avg Rain | 180 mm | 223 mm | 221 mm | 299 mm | 279 mm | +99 mm |
May temperatures in Sivasagar have stayed relatively stable across the record.
May has ranged from a record low of 17.1°C (1989) to a record high of 40.6°C (1991).
Rainfall in May is a relatively wet time of year, averaging 238 mm, with a wettest year of 475 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.6°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Sivasagar
May is a good time to visit Sivasagar, with days averaging 36.5°C and nights around 20.2°C (mean 28.4°C, warmer than Sivasagar's yearly average) and higher rainfall. November and March are marginally more temperate, but May still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 34.4°C | 20.9°C | 27.6°C | 328 mm | 78% | 1.3 m/s | 3.9 |
| 2024 | 40.2°C | 19.4°C | 29.8°C | 196 mm | 67% | 1.3 m/s | 4.9 |
| 2023 | 37.0°C | 20.7°C | 28.9°C | 203 mm | 69% | 1.1 m/s | 5.2 |
| 2022 | 33.7°C | 19.5°C | 26.6°C | 314 mm | 76% | 1.2 m/s | 4.4 |
| 2021 | 36.0°C | 21.1°C | 28.6°C | 292 mm | 72% | 1.4 m/s | 4 |
| 2020 | 34.1°C | 21.1°C | 27.6°C | 343 mm | 73% | 1.1 m/s | 4.4 |
| 2019 | 34.1°C | 22.3°C | 28.2°C | 365 mm | 77% | 1.3 m/s | 4.1 |
| 2018 | 33.9°C | 20.2°C | 27.0°C | 218 mm | 76% | 1.2 m/s | 4.5 |
| 2017 | 33.6°C | 20.9°C | 27.3°C | 326 mm | 76% | 1.3 m/s | 4.6 |
| 2016 | 34.2°C | 20.3°C | 27.3°C | 239 mm | 76% | 1.2 m/s | 4.4 |
| 2015 | 34.9°C | 21.4°C | 28.2°C | 350 mm | 75% | 1.2 m/s | 4.5 |
| 2014 | 37.4°C | 21.4°C | 29.4°C | 430 mm | 72% | 1.6 m/s | 4.7 |
| 2013 | 34.6°C | 19.1°C | 26.8°C | 287 mm | 77% | 1.5 m/s | 4.4 |
| 2012 | 35.5°C | 18.3°C | 26.9°C | 264 mm | 68% | 1.1 m/s | 5.6 |
| 2011 | 35.4°C | 19.5°C | 27.4°C | 251 mm | 72% | 1.1 m/s | 4.9 |
| 2010 | 33.5°C | 21.1°C | 27.3°C | 260 mm | 78% | 1.5 m/s | 4.3 |
| 2009 | 37.3°C | 21.5°C | 29.4°C | 214 mm | 70% | 1 m/s | 5.1 |
| 2008 | 35.2°C | 21.0°C | 28.1°C | 243 mm | 69% | 0.9 m/s | 5.2 |
| 2007 | 38.3°C | 20.8°C | 29.5°C | 213 mm | 67% | 1.3 m/s | 4.8 |
| 2006 | 36.7°C | 19.5°C | 28.1°C | 242 mm | 66% | 1.1 m/s | 5.1 |
| 2005 | 35.1°C | 19.4°C | 27.2°C | 215 mm | 71% | 1 m/s | 4.6 |
| 2004 🌧️ | 34.4°C | 20.8°C | 27.6°C | 475 mm | 71% | 1.1 m/s | 4.9 |
| 2003 | 38.4°C | 20.8°C | 29.6°C | 129 mm | 59% | 1.2 m/s | 5 |
| 2002 | 38.1°C | 17.8°C | 27.9°C | 134 mm | 65% | 1.1 m/s | 5 |
| 2001 | 37.8°C | 20.7°C | 29.2°C | 173 mm | 63% | 1 m/s | 5 |
| 2000 | 39.2°C | 19.1°C | 29.2°C | 171 mm | 65% | 1.1 m/s | 5.1 |
| 1999 | 38.6°C | 20.9°C | 29.7°C | 195 mm | 67% | 1.2 m/s | 4.8 |
| 1998 | 39.9°C | 21.7°C | 30.8°C | 135 mm | 58% | 1.2 m/s | 5.6 |
| 1997 | 37.4°C | 20.8°C | 29.1°C | 214 mm | 61% | 1.1 m/s | 4.9 |
| 1996 ❄️ | 34.4°C | 18.7°C | 26.6°C | 460 mm | 73% | 1.1 m/s | 4.9 |
| 1995 | 37.7°C | 22.2°C | 29.9°C | 289 mm | 65% | 1.3 m/s | 5.9 |
| 1994 | 37.3°C | 21.8°C | 29.6°C | 314 mm | 65% | 0.9 m/s | 5.4 |
| 1993 | 35.2°C | 20.0°C | 27.6°C | 246 mm | 71% | 1 m/s | 4.4 |
| 1992 | 36.0°C | 19.4°C | 27.7°C | 176 mm | 65% | 0.9 m/s | 5.2 |
| 1991 🔥 | 40.6°C | 21.5°C | 31.0°C | 31 mm | 52% | 1.6 m/s | 4.2 |
| 1990 | 35.5°C | 19.7°C | 27.6°C | 170 mm | 69% | 0.9 m/s | 5.1 |
| 1989 | 36.8°C | 17.1°C | 26.9°C | 133 mm | 65% | 1.1 m/s | 5.9 |
| 1988 | 36.6°C | 20.4°C | 28.5°C | 406 mm | 70% | 1.3 m/s | 4.7 |
| 1987 | 38.8°C | 19.8°C | 29.3°C | 131 mm | 58% | 0.9 m/s | 5.8 |
| 1986 | 39.5°C | 18.4°C | 28.9°C | 47 mm | 50% | 1 m/s | 6.5 |
| 1985 | 38.3°C | 20.6°C | 29.4°C | 97 mm | 57% | 1.3 m/s | 5.7 |
| 1984 | 37.2°C | 21.5°C | 29.3°C | 188 mm | 64% | 1.1 m/s | 4.9 |
| 1983 | 38.7°C | 17.4°C | 28.1°C | 168 mm | 67% | 1.1 m/s | — |
| 1982 | 35.8°C | 20.0°C | 27.9°C | 156 mm | 69% | 1.1 m/s | — |
| 1981 | 35.1°C | 20.7°C | 27.9°C | 298 mm | 73% | 1.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 36.5°C with lows near 20.2°C (mean 28.4°C), based on 45 years of NASA POWER data.
May averages 238 mm of rainfall in Sivasagar, a relatively wet time of year. The wettest on record was 475 mm in 2004.
The hottest May reached 40.6°C in 1991. The coldest dipped to 17.1°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.2°C. Daytime highs moved from 37°C to 36.3°C and overnight lows from 20°C to 20.3°C over the same span.
May is one of the warmer months of the year in Sivasagar and a relatively wet time of year, so plan for around 36.5°C daytime highs and 20.2°C at night.
Not quite — May is the 8th coolest month in Sivasagar, averaging 28.4°C.
For May in Sivasagar, pack light, breathable clothing and sun protection, with typical highs of 36.5°C and lows of 20.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 68% — moderately humid.
Average wind speed in May is 1.2 m/s. The windiest May on record averaged 1.6 m/s (1991).
The wettest May on record was 2004 with 475 mm. On average, May sees 238 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 Sivasagar 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.
