May is one of the warmer months of the year in Mayiladuthurai, with average highs near 36.8°C and lows around 27.1°C (mean 32°C). It is one of the drier months, averaging 65 mm of rainfall and 63% relative humidity across the period.
May is one of the warmer months of the year in Mayiladuthurai. Across 45 years of records, the warmest May in Mayiladuthurai was 2019 — when the month averaged 33.8°C — while the coldest was 2004 at 28.9°C. Typical May days reach 36.8°C with nights near 27.1°C. The long-term trend is cooling, about 0.2°C per decade.
May is one of the drier months in Mayiladuthurai, averaging 65 mm of rainfall. The wettest May on record was 2004 with 261 mm, while the driest was 1991 at 3 mm.
Relative humidity in Mayiladuthurai during May averages 63%. The most humid May was 2004 at 78%, and the least humid was 1986 at 52%.
May receives about 6 kWh/m²/day of solar energy in Mayiladuthurai. The sunniest May was 2001 at 6.7 kWh/m²/day, and the cloudiest was 1990 at 5.2.
Average wind speed in Mayiladuthurai during May is 3.2 m/s. The windiest May was 1990 at 3.9 m/s, while the calmest was 2018 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.5°C | 32.1°C | 31.5°C | 31.9°C | 31.7°C | -0.8°C |
| Avg High | 37.7°C | 37.1°C | 36.2°C | 36.6°C | 36.2°C | -1.5°C |
| Avg Low | 27.3°C | 27.0°C | 26.8°C | 27.2°C | 27.1°C | -0.2°C |
| Avg Rain | 35 mm | 55 mm | 78 mm | 73 mm | 92 mm | +58 mm |
May temperatures in Mayiladuthurai have fallen by about 0.8°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 22.1°C (2015) to a record high of 43.1°C (1986).
Rainfall in May is one of the drier months, averaging 65 mm, with a wettest year of 261 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A quieter season to visit Mayiladuthurai
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Mayiladuthurai. That said, May — with days averaging 36.8°C and nights around 27.1°C (mean 32°C) and moderate rainfall (65 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 35.3°C | 31.0°C | 26.8°C | 37.4°C | 24.9°C | 122 mm | 68% | 2.9 m/s | 5.4 |
| 2024 | 36.2°C | 31.9°C | 27.6°C | 42.5°C | 25.4°C | 121 mm | 68% | 2.7 m/s | 5.3 |
| 2023 | 34.8°C | 30.7°C | 26.5°C | 38.9°C | 24.6°C | 125 mm | 73% | 2.7 m/s | 5.8 |
| 2022 | 36.5°C | 31.6°C | 26.7°C | 39.7°C | 25.1°C | 86 mm | 65% | 3.1 m/s | 5.6 |
| 2021 | 36.0°C | 31.3°C | 26.6°C | 39.6°C | 24.6°C | 71 mm | 66% | 3 m/s | 6.1 |
| 2020 | 38.6°C | 33.5°C | 28.4°C | 41.9°C | 26.1°C | 30 mm | 57% | 3 m/s | 6.1 |
| 2019 🔥 | 39.1°C | 33.8°C | 28.6°C | 42.3°C | 26.9°C | 16 mm | 58% | 3.2 m/s | 6.3 |
| 2018 | 35.3°C | 31.2°C | 27.0°C | 38.5°C | 25.4°C | 63 mm | 67% | 2.6 m/s | 5.9 |
| 2017 | 37.0°C | 32.3°C | 27.6°C | 40.2°C | 26.7°C | 36 mm | 62% | 2.9 m/s | 5.9 |
| 2016 | 36.5°C | 31.8°C | 27.1°C | 41.8°C | 25.0°C | 176 mm | 66% | 2.9 m/s | 5.8 |
| 2015 | 34.6°C | 30.3°C | 26.0°C | 38.0°C | 22.1°C | 125 mm | 71% | 2.8 m/s | 5.4 |
| 2014 | 35.3°C | 30.9°C | 26.6°C | 39.1°C | 25.5°C | 131 mm | 69% | 2.9 m/s | 6 |
| 2013 | 37.6°C | 32.8°C | 28.0°C | 42.0°C | 25.7°C | 29 mm | 57% | 3.5 m/s | 5.9 |
| 2012 | 35.8°C | 31.3°C | 26.9°C | 41.0°C | 25.9°C | 52 mm | 64% | 3.2 m/s | 6.1 |
| 2011 | 37.2°C | 32.0°C | 26.9°C | 39.8°C | 25.0°C | 34 mm | 62% | 3 m/s | 6.6 |
| 2010 | 37.1°C | 32.2°C | 27.3°C | 40.9°C | 26.0°C | 74 mm | 65% | 3.1 m/s | 6.1 |
| 2009 | 37.2°C | 32.3°C | 27.3°C | 41.4°C | 25.2°C | 35 mm | 61% | 3.1 m/s | 6 |
| 2008 | 36.7°C | 31.6°C | 26.6°C | 40.8°C | 24.8°C | 48 mm | 62% | 3.4 m/s | 6.6 |
| 2007 | 37.2°C | 32.3°C | 27.4°C | 41.6°C | 26.0°C | 35 mm | 60% | 3.2 m/s | 6.5 |
| 2006 | 35.7°C | 31.2°C | 26.7°C | 41.2°C | 25.1°C | 73 mm | 65% | 3.4 m/s | 6 |
| 2005 | 35.7°C | 31.2°C | 26.6°C | 39.5°C | 25.6°C | 53 mm | 70% | 2.7 m/s | 6.4 |
| 2004 ❄️ 🌧️ | 32.5°C | 28.9°C | 25.3°C | 36.3°C | 24.2°C | 261 mm | 78% | 3.1 m/s | 5.6 |
| 2003 | 36.6°C | 31.8°C | 27.0°C | 40.6°C | 25.3°C | 102 mm | 65% | 3.4 m/s | 5.7 |
| 2002 | 36.5°C | 31.7°C | 26.9°C | 41.6°C | 25.6°C | 68 mm | 64% | 3.6 m/s | 6.2 |
| 2001 | 37.4°C | 32.2°C | 27.0°C | 40.4°C | 25.5°C | 46 mm | 60% | 3.4 m/s | 6.7 |
| 2000 | 36.7°C | 32.1°C | 27.5°C | 41.4°C | 24.3°C | 61 mm | 58% | 3 m/s | 6.3 |
| 1999 | 34.6°C | 30.2°C | 25.8°C | 39.9°C | 24.5°C | 77 mm | 67% | 3.3 m/s | 6.3 |
| 1998 | 37.9°C | 33.0°C | 28.0°C | 41.2°C | 24.4°C | 63 mm | 60% | 3.2 m/s | 5.5 |
| 1997 | 37.7°C | 32.4°C | 27.0°C | 41.5°C | 25.5°C | 38 mm | 58% | 3.1 m/s | 5.7 |
| 1996 | 38.3°C | 32.7°C | 27.0°C | 40.9°C | 25.7°C | 16 mm | 60% | 3.4 m/s | 6 |
| 1995 | 34.8°C | 30.3°C | 25.8°C | 38.7°C | 24.1°C | 153 mm | 69% | 3 m/s | 5.4 |
| 1994 | 36.5°C | 31.8°C | 27.0°C | 40.6°C | 25.3°C | 67 mm | 64% | 3.3 m/s | 6.2 |
| 1993 | 38.6°C | 32.9°C | 27.3°C | 41.7°C | 25.6°C | 27 mm | 57% | 3.3 m/s | 6.1 |
| 1992 | 38.3°C | 32.8°C | 27.3°C | 42.0°C | 25.9°C | 31 mm | 57% | 3.3 m/s | 5.7 |
| 1991 | 38.4°C | 33.2°C | 28.0°C | 41.5°C | 26.8°C | 3 mm | 59% | 3.3 m/s | 6 |
| 1990 | 36.2°C | 31.6°C | 27.0°C | 41.0°C | 25.3°C | 76 mm | 61% | 3.9 m/s | 5.2 |
| 1989 | 38.4°C | 32.9°C | 27.5°C | 42.2°C | 26.1°C | 20 mm | 54% | 3.8 m/s | 5.9 |
| 1988 | 37.8°C | 32.7°C | 27.6°C | 41.1°C | 26.1°C | 46 mm | 59% | 3.3 m/s | 5.6 |
| 1987 | 38.4°C | 32.8°C | 27.2°C | 40.7°C | 25.3°C | 9 mm | 56% | 2.9 m/s | 6 |
| 1986 | 39.0°C | 33.4°C | 27.8°C | 43.1°C | 25.4°C | 17 mm | 52% | 3.7 m/s | 6.1 |
| 1985 | 38.4°C | 32.9°C | 27.3°C | 42.3°C | 24.8°C | 13 mm | 55% | 3.6 m/s | 6 |
| 1984 | 37.7°C | 32.4°C | 27.0°C | 40.4°C | 25.1°C | 5 mm | 59% | 3.3 m/s | 6.2 |
| 1983 | 37.5°C | 32.6°C | 27.7°C | 41.9°C | 26.6°C | 52 mm | 59% | 3.1 m/s | — |
| 1982 | 36.6°C | 31.7°C | 26.8°C | 39.6°C | 25.7°C | 63 mm | 61% | 2.8 m/s | — |
| 1981 | 35.8°C | 31.1°C | 26.5°C | 40.0°C | 24.8°C | 87 mm | 65% | 3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 36.8°C with lows near 27.1°C (mean 32°C), based on 45 years of NASA POWER data.
May averages 65 mm of rainfall in Mayiladuthurai, one of the drier months. The wettest on record was 261 mm in 2004.
The hottest May reached 43.1°C in 1986. The coldest dipped to 22.1°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.8°C. Daytime highs moved from 37.2°C to 35.8°C and overnight lows from 27.1°C to 26.8°C over the same span.
May is one of the warmer months of the year in Mayiladuthurai and one of the drier months, so plan for around 36.8°C daytime highs and 27.1°C at night.
Not quite — May is the 12th coolest month in Mayiladuthurai, averaging 32°C.
For May in Mayiladuthurai, pack light, breathable clothing and sun protection, with typical highs of 36.8°C and lows of 27.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 63% — moderately humid.
Average wind speed in May is 3.2 m/s. The windiest May on record averaged 3.9 m/s (1990).
The wettest May on record was 2004 with 261 mm. On average, May sees 65 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 Mayiladuthurai 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.
