May is one of the warmer months of the year in Vellore, with average highs near 42.7°C and lows around 23.9°C (mean 33.3°C). It is one of the drier months, averaging 61 mm of rainfall and 56% relative humidity across the period.
May is one of the warmer months of the year in Vellore. Across 45 years of records, the warmest Mays in Vellore were 1991 and 1996 — when the month averaged 35°C — while the coldest was 2004 at 30.2°C. Typical May days reach 42.7°C with nights near 23.9°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 | 33.3°C | 33.6°C | 33.3°C | 33.3°C | 32.8°C | -0.5°C |
| Avg High | 42.9°C | 43.3°C | 42.7°C | 42.5°C | 41.8°C | -1.1°C |
| Avg Low | 23.7°C | 23.9°C | 23.9°C | 24.3°C | 23.7°C | 0°C |
| Avg Rain | 32 mm | 67 mm | 71 mm | 62 mm | 80 mm | +49 mm |
May temperatures in Vellore have fallen by about 0.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 22°C (2004) to a record high of 44.9°C (1993).
Rainfall in May is one of the drier months, averaging 61 mm, with a wettest year of 269 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 Vellore
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Vellore. That said, May — with days averaging 42.7°C and nights around 23.9°C (mean 33.3°C) and moderate rainfall (61 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 | 40.7°C | 23.8°C | 32.2°C | 120 mm | 65% | 2.4 m/s | 5.3 |
| 2024 | 44.5°C | 24.7°C | 34.6°C | 49 mm | 58% | 2.6 m/s | 5.5 |
| 2023 | 42.2°C | 24.0°C | 33.1°C | 92 mm | 63% | 2 m/s | 5.9 |
| 2022 | 41.3°C | 22.7°C | 32.0°C | 100 mm | 65% | 2.5 m/s | 5.5 |
| 2021 | 40.0°C | 23.9°C | 32.0°C | 69 mm | 62% | 2.6 m/s | 6.3 |
| 2020 | 42.3°C | 22.9°C | 32.6°C | 50 mm | 60% | 2.5 m/s | 6.3 |
| 2019 | 43.7°C | 25.5°C | 34.6°C | 32 mm | 54% | 2.4 m/s | 6.3 |
| 2018 | 40.8°C | 22.9°C | 31.8°C | 56 mm | 62% | 2.2 m/s | 6.1 |
| 2017 | 43.0°C | 24.1°C | 33.5°C | 38 mm | 54% | 2.7 m/s | 6.1 |
| 2016 | 44.0°C | 24.1°C | 34.0°C | 111 mm | 59% | 3 m/s | 6 |
| 2015 | 41.2°C | 23.2°C | 32.2°C | 62 mm | 63% | 2.6 m/s | 5.7 |
| 2014 | 41.1°C | 23.8°C | 32.5°C | 94 mm | 62% | 2.3 m/s | 6 |
| 2013 | 43.4°C | 25.1°C | 34.2°C | 61 mm | 52% | 2.7 m/s | 6 |
| 2012 | 42.3°C | 24.9°C | 33.6°C | 44 mm | 54% | 2.6 m/s | 6.1 |
| 2011 | 41.8°C | 24.5°C | 33.1°C | 29 mm | 59% | 2.2 m/s | 6.6 |
| 2010 | 43.2°C | 24.5°C | 33.9°C | 95 mm | 59% | 2.9 m/s | 6.1 |
| 2009 | 44.2°C | 24.3°C | 34.2°C | 67 mm | 55% | 2.4 m/s | 6.1 |
| 2008 | 43.1°C | 25.1°C | 34.1°C | 41 mm | 47% | 2.7 m/s | 6.6 |
| 2007 | 43.1°C | 24.8°C | 34.0°C | 38 mm | 56% | 2.5 m/s | 6.3 |
| 2006 | 43.9°C | 22.6°C | 33.3°C | 59 mm | 59% | 2.8 m/s | 6.1 |
| 2005 | 42.2°C | 23.6°C | 32.9°C | 86 mm | 65% | 2.2 m/s | 6.3 |
| 2004 ❄️ 🌧️ | 38.3°C | 22.0°C | 30.2°C | 269 mm | 78% | 2.4 m/s | 5.6 |
| 2003 | 44.1°C | 24.2°C | 34.2°C | 24 mm | 45% | 2.9 m/s | 5.8 |
| 2002 | 42.5°C | 24.5°C | 33.5°C | 61 mm | 54% | 2.9 m/s | 6.4 |
| 2001 | 42.7°C | 23.5°C | 33.1°C | 28 mm | 54% | 2.9 m/s | 6.7 |
| 2000 | 42.8°C | 24.6°C | 33.7°C | 36 mm | 54% | 2.5 m/s | 6.4 |
| 1999 | 39.5°C | 23.2°C | 31.3°C | 60 mm | 63% | 2.6 m/s | 6.4 |
| 1998 | 43.2°C | 23.5°C | 33.3°C | 62 mm | 56% | 2.8 m/s | 5.8 |
| 1997 | 44.7°C | 24.1°C | 34.4°C | 29 mm | 49% | 2.6 m/s | 5.9 |
| 1996 | 44.9°C | 25.1°C | 35.0°C | 35 mm | 44% | 2.6 m/s | 6.1 |
| 1995 | 41.2°C | 22.5°C | 31.9°C | 130 mm | 66% | 2.8 m/s | 5.6 |
| 1994 | 44.5°C | 24.3°C | 34.4°C | 43 mm | 51% | 2.7 m/s | 6.2 |
| 1993 | 44.9°C | 24.1°C | 34.5°C | 58 mm | 50% | 2.7 m/s | 6.2 |
| 1992 | 44.1°C | 23.5°C | 33.8°C | 31 mm | 49% | 2.6 m/s | 5.9 |
| 1991 🔥 | 44.8°C | 25.2°C | 35.0°C | 2 mm | 49% | 3.1 m/s | 6.3 |
| 1990 | 41.5°C | 23.3°C | 32.4°C | 217 mm | 69% | 2.9 m/s | 5.3 |
| 1989 | 43.0°C | 24.2°C | 33.6°C | 23 mm | 46% | 3.3 m/s | 6.1 |
| 1988 | 43.2°C | 24.3°C | 33.7°C | 49 mm | 54% | 2.6 m/s | 5.7 |
| 1987 | 42.2°C | 23.4°C | 32.8°C | 16 mm | 50% | 2.7 m/s | 6.1 |
| 1986 | 43.9°C | 24.1°C | 34.0°C | 16 mm | 44% | 2.9 m/s | 6.2 |
| 1985 | 44.6°C | 23.3°C | 33.9°C | 22 mm | 48% | 3.1 m/s | 6.2 |
| 1984 | 43.1°C | 23.4°C | 33.3°C | 12 mm | 50% | 3.1 m/s | 6.2 |
| 1983 | 43.0°C | 23.7°C | 33.4°C | 31 mm | 54% | 2.9 m/s | — |
| 1982 | 42.0°C | 23.7°C | 32.8°C | 33 mm | 55% | 2.4 m/s | — |
| 1981 | 41.4°C | 23.2°C | 32.3°C | 83 mm | 61% | 2.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 42.7°C with lows near 23.9°C (mean 33.3°C), based on 45 years of NASA POWER data.
May averages 61 mm of rainfall in Vellore, one of the drier months. The wettest on record was 269 mm in 2004.
The hottest May reached 44.9°C in 1993. The coldest dipped to 22°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.3°C. Daytime highs moved from 42.8°C to 41.7°C and overnight lows from 23.5°C to 23.8°C over the same span.
May is one of the warmer months of the year in Vellore and one of the drier months, so plan for around 42.7°C daytime highs and 23.9°C at night.
Not quite — May is the 12th coolest month in Vellore, averaging 33.3°C.
For May in Vellore, pack light, breathable clothing and sun protection, with typical highs of 42.7°C and lows of 23.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 56% — moderately humid.
Average wind speed in May is 2.7 m/s. The windiest May on record averaged 3.3 m/s (1989).
The wettest May on record was 2004 with 269 mm. On average, May sees 61 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 Vellore 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.
