May is one of the warmer months of the year in Cuddalore, with average highs near 36.1°C and lows around 27°C (mean 31.6°C). It is one of the drier months, averaging 60 mm of rainfall and 71% relative humidity across the period.
May is one of the warmer months of the year in Cuddalore. Across 45 years of records, the warmest May in Cuddalore was 1991 — when the month averaged 32.7°C — while the coldest was 2004 at 29.8°C. Typical May days reach 36.1°C with nights near 27°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 | 31.7°C | 31.6°C | 31.6°C | 31.4°C | 31.3°C | -0.4°C |
| Avg High | 36.4°C | 36.4°C | 36.2°C | 35.7°C | 35.7°C | -0.7°C |
| Avg Low | 27.1°C | 27.0°C | 27.1°C | 27.1°C | 27.0°C | -0.1°C |
| Avg Rain | 24 mm | 58 mm | 65 mm | 70 mm | 89 mm | +65 mm |
May temperatures in Cuddalore have fallen by about 0.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 25.4°C (2015) to a record high of 37.7°C (1991).
Rainfall in May is one of the drier months, averaging 60 mm, with a wettest year of 290 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A quieter season to visit Cuddalore
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Cuddalore. That said, May — with days averaging 36.1°C and nights around 27°C (mean 31.6°C) and moderate rainfall (60 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 | 34.6°C | 27.1°C | 30.8°C | 95 mm | 74% | 3.7 m/s | 5.4 |
| 2024 | 36.5°C | 27.4°C | 31.9°C | 87 mm | 73% | 3.5 m/s | 5.3 |
| 2023 | 36.4°C | 26.9°C | 31.6°C | 93 mm | 76% | 3.4 m/s | 5.8 |
| 2022 | 35.5°C | 26.5°C | 31.0°C | 115 mm | 75% | 3.6 m/s | 5.6 |
| 2021 | 34.7°C | 26.1°C | 30.4°C | 94 mm | 74% | 3.9 m/s | 6.1 |
| 2020 | 36.4°C | 27.9°C | 32.2°C | 51 mm | 71% | 3.6 m/s | 6.1 |
| 2019 | 36.7°C | 27.9°C | 32.3°C | 28 mm | 74% | 4.3 m/s | 6.3 |
| 2018 | 34.9°C | 27.1°C | 31.0°C | 61 mm | 74% | 3.8 m/s | 5.9 |
| 2017 | 36.0°C | 27.6°C | 31.8°C | 38 mm | 71% | 3.8 m/s | 5.9 |
| 2016 | 35.5°C | 26.9°C | 31.2°C | 197 mm | 74% | 4.1 m/s | 5.8 |
| 2015 | 35.1°C | 25.4°C | 30.2°C | 94 mm | 74% | 4 m/s | 5.4 |
| 2014 | 35.1°C | 27.1°C | 31.1°C | 105 mm | 76% | 4 m/s | 6 |
| 2013 | 36.1°C | 26.7°C | 31.4°C | 50 mm | 68% | 4.3 m/s | 5.9 |
| 2012 | 35.8°C | 27.4°C | 31.6°C | 23 mm | 70% | 4.3 m/s | 6.1 |
| 2011 | 35.2°C | 27.2°C | 31.2°C | 23 mm | 73% | 4.1 m/s | 6.6 |
| 2010 | 36.2°C | 27.4°C | 31.8°C | 82 mm | 73% | 4.2 m/s | 6.1 |
| 2009 | 36.8°C | 27.0°C | 31.9°C | 48 mm | 72% | 4 m/s | 6 |
| 2008 | 37.0°C | 26.9°C | 32.0°C | 25 mm | 71% | 4.6 m/s | 6.6 |
| 2007 | 36.9°C | 27.5°C | 32.2°C | 30 mm | 71% | 4.2 m/s | 6.5 |
| 2006 | 35.8°C | 26.3°C | 31.0°C | 50 mm | 74% | 4.5 m/s | 6 |
| 2005 | 35.1°C | 27.2°C | 31.1°C | 64 mm | 76% | 4 m/s | 6.4 |
| 2004 ❄️ 🌧️ | 33.4°C | 26.3°C | 29.8°C | 290 mm | 81% | 3.7 m/s | 5.6 |
| 2003 | 36.4°C | 27.5°C | 32.0°C | 56 mm | 69% | 4.5 m/s | 5.7 |
| 2002 | 36.6°C | 27.1°C | 31.9°C | 37 mm | 70% | 4.5 m/s | 6.2 |
| 2001 | 36.4°C | 27.7°C | 32.0°C | 31 mm | 67% | 4.4 m/s | 6.7 |
| 2000 | 37.5°C | 27.2°C | 32.4°C | 25 mm | 68% | 4 m/s | 6.3 |
| 1999 | 34.9°C | 26.1°C | 30.5°C | 49 mm | 74% | 4.3 m/s | 6.3 |
| 1998 | 37.0°C | 26.3°C | 31.6°C | 75 mm | 71% | 4.2 m/s | 5.5 |
| 1997 | 37.2°C | 27.3°C | 32.2°C | 24 mm | 67% | 4.2 m/s | 5.7 |
| 1996 | 37.3°C | 27.8°C | 32.6°C | 19 mm | 66% | 4.9 m/s | 6 |
| 1995 | 34.6°C | 26.1°C | 30.4°C | 164 mm | 76% | 4.1 m/s | 5.4 |
| 1994 | 36.7°C | 26.7°C | 31.7°C | 30 mm | 70% | 4.8 m/s | 6.2 |
| 1993 | 36.5°C | 27.4°C | 31.9°C | 39 mm | 69% | 4.5 m/s | 6.1 |
| 1992 | 36.7°C | 27.3°C | 32.0°C | 22 mm | 68% | 4.4 m/s | 5.7 |
| 1991 🔥 | 37.7°C | 27.8°C | 32.7°C | 5 mm | 72% | 4.6 m/s | 6 |
| 1990 | 35.0°C | 26.7°C | 30.8°C | 149 mm | 72% | 4.8 m/s | 5.2 |
| 1989 | 36.7°C | 27.3°C | 32.0°C | 19 mm | 66% | 4.6 m/s | 5.9 |
| 1988 | 37.2°C | 27.5°C | 32.3°C | 33 mm | 70% | 4.3 m/s | 5.6 |
| 1987 | 35.7°C | 26.9°C | 31.3°C | 8 mm | 69% | 4.1 m/s | 6 |
| 1986 | 37.5°C | 27.3°C | 32.4°C | 11 mm | 65% | 4.8 m/s | 6.1 |
| 1985 | 37.2°C | 27.3°C | 32.3°C | 12 mm | 66% | 4.5 m/s | 6 |
| 1984 | 35.8°C | 26.3°C | 31.0°C | 6 mm | 71% | 4.4 m/s | 6.2 |
| 1983 | 35.8°C | 27.6°C | 31.7°C | 25 mm | 70% | 4.5 m/s | — |
| 1982 | 35.9°C | 27.0°C | 31.4°C | 34 mm | 69% | 3.9 m/s | — |
| 1981 | 35.8°C | 26.7°C | 31.2°C | 71 mm | 72% | 4.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 36.1°C with lows near 27°C (mean 31.6°C), based on 45 years of NASA POWER data.
May averages 60 mm of rainfall in Cuddalore, one of the drier months. The wettest on record was 290 mm in 2004.
The hottest May reached 37.7°C in 1991. The coldest dipped to 25.4°C in 2015.
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 36.1°C to 35.5°C and overnight lows from 27°C to 26.8°C over the same span.
May is one of the warmer months of the year in Cuddalore and one of the drier months, so plan for around 36.1°C daytime highs and 27°C at night.
Not quite — May is the 12th coolest month in Cuddalore, averaging 31.6°C.
For May in Cuddalore, pack light, breathable clothing and sun protection, with typical highs of 36.1°C and lows of 27°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 71% — moderately humid.
Average wind speed in May is 4.2 m/s. The windiest May on record averaged 4.9 m/s (1996).
The wettest May on record was 2004 with 290 mm. On average, May sees 60 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 Cuddalore 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.
