May is one of the warmer months of the year in Cachar, with average highs near 35.7°C and lows around 20.5°C (mean 28.1°C). It is a relatively wet time of year, averaging 362 mm of rainfall and 77% relative humidity across the period.
May is one of the warmer months of the year in Cachar. Across 45 years of records, the warmest May in Cachar was 1999 — when the month averaged 30.9°C — while the coldest was 2005 at 26.4°C. Typical May days reach 35.7°C with nights near 20.5°C. The long-term trend is cooling, about 0.4°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.4°C | 29.2°C | 28.1°C | 27.3°C | 27.5°C | -0.9°C |
| Avg High | 36.5°C | 37.2°C | 36.0°C | 33.8°C | 34.8°C | -1.7°C |
| Avg Low | 20.3°C | 21.1°C | 20.1°C | 20.9°C | 20.1°C | -0.2°C |
| Avg Rain | 208 mm | 236 mm | 335 mm | 493 mm | 633 mm | +424 mm |
May temperatures in Cachar have fallen by about 0.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 18.2°C (2004) to a record high of 39.8°C (1999).
Rainfall in May is a relatively wet time of year, averaging 362 mm, with a wettest year of 951 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.7°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A quieter season to visit Cachar
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Cachar. That said, May — with days averaging 35.7°C and nights around 20.5°C (mean 28.1°C) and higher rainfall (362 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 🌧️ | 33.5°C | 19.9°C | 26.7°C | 951 mm | 83% | 1.1 m/s | 4.5 |
| 2024 | 37.3°C | 19.9°C | 28.6°C | 700 mm | 80% | 1.1 m/s | 5 |
| 2023 | 35.2°C | 20.6°C | 27.9°C | 239 mm | 75% | 1.1 m/s | 5.4 |
| 2022 | 33.5°C | 20.4°C | 27.0°C | 818 mm | 84% | 1.2 m/s | 4.3 |
| 2021 | 35.8°C | 19.8°C | 27.8°C | 403 mm | 81% | 1.1 m/s | 5 |
| 2020 | 33.5°C | 20.1°C | 26.8°C | 684 mm | 81% | 1.1 m/s | 4.7 |
| 2019 | 33.0°C | 21.8°C | 27.4°C | 569 mm | 83% | 1.1 m/s | 5.2 |
| 2018 | 34.4°C | 20.3°C | 27.3°C | 513 mm | 85% | 1.1 m/s | 4.3 |
| 2017 | 34.6°C | 21.4°C | 28.0°C | 464 mm | 84% | 1.1 m/s | 5.3 |
| 2016 | 32.8°C | 21.1°C | 27.0°C | 724 mm | 85% | 1 m/s | 4.7 |
| 2015 | 32.9°C | 21.2°C | 27.0°C | 504 mm | 84% | 1 m/s | 4.6 |
| 2014 | 33.9°C | 22.1°C | 28.0°C | 385 mm | 80% | 1.1 m/s | 5.2 |
| 2013 | 34.4°C | 19.2°C | 26.8°C | 687 mm | 88% | 1.3 m/s | 4.3 |
| 2012 | 35.1°C | 19.5°C | 27.3°C | 256 mm | 78% | 1 m/s | 5.5 |
| 2011 | 34.0°C | 21.2°C | 27.6°C | 342 mm | 80% | 1.1 m/s | 4.8 |
| 2010 | 32.5°C | 21.1°C | 26.8°C | 489 mm | 85% | 1.1 m/s | 4.4 |
| 2009 | 35.1°C | 21.2°C | 28.2°C | 353 mm | 78% | 1 m/s | 5.4 |
| 2008 | 36.3°C | 21.0°C | 28.7°C | 219 mm | 73% | 1 m/s | 5.4 |
| 2007 | 37.7°C | 20.3°C | 29.0°C | 389 mm | 78% | 1.2 m/s | 5.2 |
| 2006 | 37.8°C | 20.4°C | 29.1°C | 412 mm | 74% | 1.1 m/s | 5.2 |
| 2005 ❄️ | 33.7°C | 19.0°C | 26.4°C | 413 mm | 80% | 0.9 m/s | 5 |
| 2004 | 35.2°C | 18.2°C | 26.7°C | 236 mm | 79% | 1 m/s | 5.1 |
| 2003 | 36.1°C | 19.0°C | 27.5°C | 245 mm | 75% | 1.1 m/s | 5 |
| 2002 | 35.6°C | 20.3°C | 28.0°C | 303 mm | 79% | 0.9 m/s | 4.6 |
| 2001 | 35.1°C | 20.8°C | 28.0°C | 358 mm | 80% | 1 m/s | 4.8 |
| 2000 | 37.4°C | 20.9°C | 29.2°C | 418 mm | 80% | 1 m/s | 4.4 |
| 1999 🔥 | 39.8°C | 22.1°C | 30.9°C | 347 mm | 76% | 1.2 m/s | 4.9 |
| 1998 | 36.7°C | 20.4°C | 28.6°C | 251 mm | 76% | 1.2 m/s | 5 |
| 1997 | 35.9°C | 19.6°C | 27.7°C | 232 mm | 70% | 1.2 m/s | 5.5 |
| 1996 | 36.0°C | 22.1°C | 29.0°C | 318 mm | 74% | 1.1 m/s | 5 |
| 1995 | 38.6°C | 22.4°C | 30.5°C | 140 mm | 67% | 1.3 m/s | 5.7 |
| 1994 | 38.3°C | 21.9°C | 30.1°C | 136 mm | 69% | 1.1 m/s | 5.4 |
| 1993 | 35.9°C | 20.4°C | 28.2°C | 247 mm | 77% | 1.2 m/s | 4.5 |
| 1992 | 38.4°C | 20.8°C | 29.6°C | 193 mm | 65% | 1.1 m/s | 5.3 |
| 1991 | 35.7°C | 21.4°C | 28.5°C | 255 mm | 76% | 1.3 m/s | 3.6 |
| 1990 | 36.6°C | 20.2°C | 28.4°C | 242 mm | 72% | 1.1 m/s | 5.2 |
| 1989 | 38.6°C | 21.8°C | 30.2°C | 125 mm | 66% | 1.1 m/s | 5.7 |
| 1988 | 36.8°C | 21.9°C | 29.4°C | 374 mm | 74% | 1.2 m/s | 3.9 |
| 1987 | 36.1°C | 18.6°C | 27.4°C | 148 mm | 72% | 1 m/s | 6 |
| 1986 | 38.3°C | 19.0°C | 28.6°C | 67 mm | 62% | 1.1 m/s | 6.2 |
| 1985 | 36.4°C | 20.1°C | 28.2°C | 158 mm | 69% | 1.3 m/s | 5.6 |
| 1984 | 36.0°C | 21.2°C | 28.6°C | 311 mm | 76% | 1.2 m/s | 4.2 |
| 1983 | 36.5°C | 20.1°C | 28.3°C | 195 mm | 77% | 1.1 m/s | — |
| 1982 | 36.2°C | 19.8°C | 28.0°C | 246 mm | 75% | 1 m/s | — |
| 1981 | 33.7°C | 20.2°C | 26.9°C | 251 mm | 78% | 1.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 35.7°C with lows near 20.5°C (mean 28.1°C), based on 45 years of NASA POWER data.
May averages 362 mm of rainfall in Cachar, a relatively wet time of year. The wettest on record was 951 mm in 2025.
The hottest May reached 39.8°C in 1999. The coldest dipped to 18.2°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.4°C. Daytime highs moved from 35.8°C to 35.1°C and overnight lows from 20.3°C to 20.1°C over the same span.
May is one of the warmer months of the year in Cachar and a relatively wet time of year, so plan for around 35.7°C daytime highs and 20.5°C at night.
Not quite — May is the 9th coolest month in Cachar, averaging 28.1°C.
For May in Cachar, pack light, breathable clothing and sun protection, with typical highs of 35.7°C and lows of 20.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 77% — quite humid.
Average wind speed in May is 1.1 m/s. The windiest May on record averaged 1.3 m/s (1985).
The wettest May on record was 2025 with 951 mm. On average, May sees 362 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 Cachar 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.
