May is one of the warmer months of the year in Morigaon, with average highs near 37°C and lows around 20.8°C (mean 28.9°C). It is a relatively wet time of year, averaging 218 mm of rainfall and 69% relative humidity across the period.
May is one of the warmer months of the year in Morigaon. Across 45 years of records, the warmest Mays in Morigaon were 1991 and 1995 — when the month averaged 31°C — while the coldest was 2004 at 26.4°C. Typical May days reach 37°C with nights near 20.8°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.0°C | 29.6°C | 28.4°C | 28.3°C | 29.3°C | +0.3°C |
| Avg High | 37.7°C | 37.7°C | 36.5°C | 35.4°C | 37.8°C | +0.1°C |
| Avg Low | 20.3°C | 21.5°C | 20.3°C | 21.3°C | 20.8°C | +0.5°C |
| Avg Rain | 170 mm | 209 mm | 225 mm | 250 mm | 242 mm | +73 mm |
May temperatures in Morigaon have risen by about 0.5°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 18.3°C (2004) to a record high of 42.1°C (2024).
Rainfall in May is a relatively wet time of year, averaging 218 mm, with a wettest year of 386 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Morigaon
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Morigaon. That said, May — with days averaging 37°C and nights around 20.8°C (mean 28.9°C) and higher rainfall (218 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 37.2°C | 21.5°C | 29.4°C | 334 mm | 74% | 1.7 m/s | 4.1 |
| 2024 | 42.1°C | 19.6°C | 30.8°C | 199 mm | 61% | 1.7 m/s | 4.9 |
| 2023 | 39.3°C | 21.5°C | 30.4°C | 120 mm | 62% | 1.9 m/s | 5.5 |
| 2022 | 35.0°C | 20.4°C | 27.7°C | 326 mm | 77% | 1.4 m/s | 4.3 |
| 2021 | 37.7°C | 21.1°C | 29.4°C | 168 mm | 71% | 2 m/s | 4.2 |
| 2020 | 35.3°C | 20.5°C | 27.9°C | 306 mm | 74% | 1.6 m/s | 4.5 |
| 2019 | 33.6°C | 21.9°C | 27.8°C | 331 mm | 78% | 1.5 m/s | 4.1 |
| 2018 | 35.4°C | 21.0°C | 28.2°C | 188 mm | 72% | 1.3 m/s | 4.6 |
| 2017 | 35.3°C | 21.6°C | 28.4°C | 188 mm | 73% | 1.7 m/s | 4.8 |
| 2016 | 34.2°C | 21.7°C | 28.0°C | 257 mm | 77% | 1.5 m/s | 4.5 |
| 2015 | 34.9°C | 22.7°C | 28.8°C | 322 mm | 76% | 1.6 m/s | 4.7 |
| 2014 | 38.7°C | 22.5°C | 30.6°C | 229 mm | 66% | 2.1 m/s | 4.9 |
| 2013 | 34.5°C | 20.3°C | 27.4°C | 370 mm | 79% | 1.5 m/s | 4.7 |
| 2012 | 36.5°C | 19.6°C | 28.1°C | 176 mm | 68% | 1.5 m/s | 5.5 |
| 2011 | 36.9°C | 19.9°C | 28.4°C | 193 mm | 70% | 1.5 m/s | 5 |
| 2010 | 33.7°C | 21.5°C | 27.6°C | 250 mm | 80% | 1.6 m/s | 4.6 |
| 2009 | 37.9°C | 21.1°C | 29.5°C | 216 mm | 67% | 1.4 m/s | 5.2 |
| 2008 | 35.5°C | 21.7°C | 28.6°C | 177 mm | 70% | 1.3 m/s | 5.5 |
| 2007 | 37.8°C | 21.0°C | 29.4°C | 173 mm | 70% | 1.5 m/s | 5.3 |
| 2006 | 38.8°C | 20.5°C | 29.6°C | 209 mm | 69% | 1.4 m/s | 5.2 |
| 2005 | 33.7°C | 19.7°C | 26.7°C | 238 mm | 76% | 1.4 m/s | 4.8 |
| 2004 ❄️ | 34.5°C | 18.3°C | 26.4°C | 275 mm | 76% | 1.3 m/s | 5 |
| 2003 | 37.2°C | 19.0°C | 28.1°C | 140 mm | 65% | 1.5 m/s | 5.3 |
| 2002 | 36.1°C | 19.2°C | 27.6°C | 216 mm | 72% | 1.3 m/s | 5.1 |
| 2001 | 35.5°C | 21.6°C | 28.5°C | 274 mm | 71% | 1.2 m/s | 5.3 |
| 2000 | 38.4°C | 20.9°C | 29.6°C | 328 mm | 72% | 1.5 m/s | 4.8 |
| 1999 | 38.7°C | 22.2°C | 30.5°C | 238 mm | 69% | 1.4 m/s | 5 |
| 1998 | 38.8°C | 21.3°C | 30.1°C | 122 mm | 63% | 1.5 m/s | 5.3 |
| 1997 | 37.5°C | 20.0°C | 28.8°C | 224 mm | 61% | 1.5 m/s | 5.1 |
| 1996 | 36.2°C | 22.5°C | 29.4°C | 335 mm | 70% | 1.5 m/s | 4.8 |
| 1995 | 39.0°C | 23.0°C | 31.0°C | 184 mm | 62% | 1.5 m/s | 5.4 |
| 1994 | 38.3°C | 21.6°C | 30.0°C | 246 mm | 64% | 1.3 m/s | 5.1 |
| 1993 | 36.6°C | 21.2°C | 28.9°C | 303 mm | 72% | 1.4 m/s | 4.2 |
| 1992 | 37.1°C | 20.1°C | 28.6°C | 185 mm | 63% | 1.4 m/s | 4.8 |
| 1991 🔥 | 39.6°C | 22.5°C | 31.0°C | 107 mm | 58% | 2.1 m/s | 3.9 |
| 1990 | 35.6°C | 20.1°C | 27.8°C | 142 mm | 71% | 1.3 m/s | 4.9 |
| 1989 | 38.3°C | 18.5°C | 28.4°C | 165 mm | 63% | 1.5 m/s | 5.6 |
| 1988 🌧️ | 36.7°C | 21.7°C | 29.2°C | 386 mm | 69% | 1.5 m/s | 4.4 |
| 1987 | 38.9°C | 19.6°C | 29.2°C | 103 mm | 60% | 1.4 m/s | 5.8 |
| 1986 | 38.9°C | 19.4°C | 29.1°C | 50 mm | 55% | 1.6 m/s | 5.9 |
| 1985 | 38.1°C | 21.4°C | 29.8°C | 90 mm | 59% | 1.7 m/s | 5 |
| 1984 | 38.0°C | 21.4°C | 29.7°C | 172 mm | 66% | 1.6 m/s | 4.7 |
| 1983 | 38.9°C | 18.8°C | 28.8°C | 115 mm | 65% | 1.6 m/s | — |
| 1982 | 35.9°C | 20.2°C | 28.0°C | 230 mm | 72% | 1.5 m/s | — |
| 1981 | 36.0°C | 21.5°C | 28.7°C | 215 mm | 71% | 1.4 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 37°C with lows near 20.8°C (mean 28.9°C), based on 45 years of NASA POWER data.
May averages 218 mm of rainfall in Morigaon, a relatively wet time of year. The wettest on record was 386 mm in 1988.
The hottest May reached 42.1°C in 2024. The coldest dipped to 18.3°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.5°C. Daytime highs moved from 37.4°C to 38.3°C and overnight lows from 20.7°C to 20.8°C over the same span.
May is one of the warmer months of the year in Morigaon and a relatively wet time of year, so plan for around 37°C daytime highs and 20.8°C at night.
Not quite — May is the 9th coolest month in Morigaon, averaging 28.9°C.
For May in Morigaon, pack light, breathable clothing and sun protection, with typical highs of 37°C and lows of 20.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 69% — moderately humid.
Average wind speed in May is 1.5 m/s. The windiest May on record averaged 2.1 m/s (1991).
The wettest May on record was 1988 with 386 mm. On average, May sees 218 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 Morigaon 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.
