May is one of the warmer months of the year in Tenkasi, with average highs near 32.4°C and lows around 23.9°C (mean 28.2°C). It is a relatively wet time of year, averaging 154 mm of rainfall and 78% relative humidity across the period.
May is one of the warmer months of the year in Tenkasi. Across 45 years of records, the warmest May in Tenkasi was 1991 — when the month averaged 30.7°C — while the coldest were 1999 and 2004 at 26.1°C. Typical May days reach 32.4°C with nights near 23.9°C. The long-term trend is warming, about 0.2°C per decade.
May is a relatively wet time of year in Tenkasi, averaging 154 mm of rainfall. The wettest May on record was 2004 with 510 mm, while the driest was 1996 at 19 mm.
Relative humidity in Tenkasi during May averages 78%. The most humid May was 2004 at 89%, and the least humid was 1991 at 64%.
May receives about 5.4 kWh/m²/day of solar energy in Tenkasi. The sunniest May was 2008 at 6.2 kWh/m²/day, and the cloudiest was 2024 at 4.5.
Average wind speed in Tenkasi during May is 2.6 m/s. The windiest Mays were 1988 and 1989 at 3.2 m/s, while the calmest was 1987 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.8°C | 28.3°C | 27.6°C | 28.6°C | 28.3°C | +0.5°C |
| Avg High | 32.1°C | 32.8°C | 31.6°C | 32.9°C | 32.4°C | +0.3°C |
| Avg Low | 23.4°C | 23.8°C | 23.7°C | 24.3°C | 24.3°C | +0.9°C |
| Avg Rain | 162 mm | 171 mm | 182 mm | 99 mm | 158 mm | -4 mm |
May temperatures in Tenkasi have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 20.6°C (2011) to a record high of 41.3°C (1991).
Rainfall in May is a relatively wet time of year, averaging 154 mm, with a wettest year of 510 mm.
A quieter season to visit Tenkasi
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Tenkasi. That said, May — with days averaging 32.4°C and nights around 23.9°C (mean 28.2°C) and higher rainfall (154 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 | 32.4°C | 28.5°C | 24.6°C | 35.5°C | 22.4°C | 136 mm | 79% | 2.9 m/s | 5 |
| 2024 | 33.7°C | 29.5°C | 25.4°C | 40.8°C | 23.9°C | 206 mm | 75% | 2.4 m/s | 4.5 |
| 2023 | 32.6°C | 28.2°C | 23.8°C | 35.8°C | 22.4°C | 130 mm | 80% | 2 m/s | 5.7 |
| 2022 | 31.8°C | 27.8°C | 23.7°C | 36.2°C | 22.5°C | 97 mm | 81% | 3.1 m/s | 5.1 |
| 2021 | 30.4°C | 26.9°C | 23.4°C | 35.2°C | 22.2°C | 248 mm | 85% | 2.3 m/s | 4.9 |
| 2020 | 33.3°C | 29.1°C | 24.8°C | 39.5°C | 23.1°C | 132 mm | 76% | 2.3 m/s | 5.1 |
| 2019 | 35.8°C | 30.6°C | 25.3°C | 40.8°C | 23.5°C | 30 mm | 67% | 3 m/s | 5.8 |
| 2018 | 32.4°C | 28.3°C | 24.2°C | 36.0°C | 23.0°C | 75 mm | 77% | 2.3 m/s | 4.9 |
| 2017 | 34.2°C | 29.5°C | 24.8°C | 39.1°C | 23.4°C | 85 mm | 72% | 2.7 m/s | 5.4 |
| 2016 | 33.4°C | 29.0°C | 24.7°C | 39.8°C | 22.5°C | 146 mm | 74% | 2.5 m/s | 5.2 |
| 2015 | 30.7°C | 27.2°C | 23.7°C | 34.3°C | 22.3°C | 188 mm | 84% | 1.9 m/s | 5.1 |
| 2014 | 31.2°C | 27.5°C | 23.8°C | 36.0°C | 21.9°C | 190 mm | 84% | 2.2 m/s | 5.3 |
| 2013 | 32.8°C | 28.5°C | 24.3°C | 36.5°C | 23.1°C | 68 mm | 75% | 3.1 m/s | 5.4 |
| 2012 | 31.8°C | 27.7°C | 23.7°C | 38.0°C | 21.7°C | 77 mm | 79% | 3 m/s | 5.8 |
| 2011 | 34.0°C | 28.8°C | 23.5°C | 38.7°C | 20.6°C | 43 mm | 72% | 3.1 m/s | 6 |
| 2010 | 32.6°C | 28.5°C | 24.5°C | 35.9°C | 22.2°C | 83 mm | 79% | 2.7 m/s | 5.2 |
| 2009 | 33.1°C | 28.7°C | 24.3°C | 39.1°C | 22.7°C | 122 mm | 74% | 3.1 m/s | 5.5 |
| 2008 | 30.9°C | 27.0°C | 23.1°C | 32.9°C | 21.8°C | 75 mm | 82% | 2.8 m/s | 6.2 |
| 2007 | 32.7°C | 28.2°C | 23.6°C | 36.9°C | 21.6°C | 116 mm | 77% | 2.8 m/s | 6 |
| 2006 | 32.0°C | 28.0°C | 24.0°C | 37.7°C | 22.7°C | 254 mm | 77% | 2.9 m/s | 5.5 |
| 2005 | 31.6°C | 27.5°C | 23.5°C | 34.7°C | 21.7°C | 177 mm | 83% | 2.1 m/s | 5.6 |
| 2004 🌧️ | 29.0°C | 26.1°C | 23.3°C | 33.8°C | 22.3°C | 510 mm | 89% | 2.8 m/s | 5.2 |
| 2003 | 32.7°C | 28.3°C | 24.0°C | 35.8°C | 22.9°C | 98 mm | 78% | 2.9 m/s | 5.7 |
| 2002 | 31.2°C | 27.5°C | 23.8°C | 38.0°C | 22.7°C | 255 mm | 83% | 2.8 m/s | 5.5 |
| 2001 | 29.7°C | 26.5°C | 23.2°C | 31.7°C | 21.3°C | 180 mm | 87% | 2.5 m/s | 5.7 |
| 2000 | 33.3°C | 28.5°C | 23.8°C | 36.8°C | 22.5°C | 38 mm | 73% | 3.1 m/s | 6 |
| 1999 ❄️ | 29.4°C | 26.1°C | 22.8°C | 37.1°C | 22.0°C | 323 mm | 85% | 2.8 m/s | 5.2 |
| 1998 | 32.7°C | 28.6°C | 24.5°C | 38.3°C | 22.7°C | 263 mm | 79% | 2.2 m/s | 5.1 |
| 1997 | 32.5°C | 28.0°C | 23.5°C | 36.4°C | 21.6°C | 109 mm | 76% | 2.4 m/s | 5.2 |
| 1996 | 35.1°C | 29.5°C | 23.8°C | 38.6°C | 22.4°C | 19 mm | 70% | 3 m/s | 5.4 |
| 1995 | 30.0°C | 26.5°C | 23.1°C | 34.9°C | 21.0°C | 251 mm | 85% | 2.6 m/s | 5.1 |
| 1994 | 33.8°C | 28.9°C | 24.1°C | 38.0°C | 22.4°C | 189 mm | 73% | 2.9 m/s | 5.5 |
| 1993 | 33.6°C | 28.8°C | 24.0°C | 38.8°C | 22.4°C | 131 mm | 72% | 2.6 m/s | 5.3 |
| 1992 | 33.7°C | 28.6°C | 23.6°C | 37.6°C | 22.1°C | 134 mm | 74% | 2.4 m/s | 5.3 |
| 1991 🔥 | 36.2°C | 30.7°C | 25.1°C | 41.3°C | 22.8°C | 35 mm | 64% | 2.5 m/s | 5.5 |
| 1990 | 31.5°C | 27.6°C | 23.7°C | 39.3°C | 22.0°C | 255 mm | 79% | 3 m/s | 4.7 |
| 1989 | 32.3°C | 27.9°C | 23.6°C | 37.5°C | 22.4°C | 130 mm | 76% | 3.2 m/s | 5.1 |
| 1988 | 32.6°C | 28.3°C | 24.0°C | 35.1°C | 23.0°C | 39 mm | 76% | 3.2 m/s | 5.3 |
| 1987 | 33.6°C | 28.6°C | 23.5°C | 38.0°C | 22.5°C | 168 mm | 73% | 1.6 m/s | 5.7 |
| 1986 | 31.3°C | 27.1°C | 22.9°C | 35.5°C | 20.8°C | 139 mm | 80% | 2.8 m/s | 5.5 |
| 1985 | 33.6°C | 28.8°C | 23.9°C | 40.5°C | 22.0°C | 190 mm | 71% | 2.8 m/s | 5.4 |
| 1984 | 30.7°C | 26.8°C | 22.9°C | 33.7°C | 22.0°C | 122 mm | 84% | 2.4 m/s | 5.6 |
| 1983 | 33.8°C | 28.9°C | 24.0°C | 37.5°C | 22.5°C | 77 mm | 73% | 2.5 m/s | — |
| 1982 | 30.2°C | 26.4°C | 22.7°C | 32.3°C | 21.1°C | 304 mm | 86% | 1.8 m/s | — |
| 1981 | 30.7°C | 27.0°C | 23.2°C | 34.3°C | 21.7°C | 290 mm | 82% | 2.4 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 32.4°C with lows near 23.9°C (mean 28.2°C), based on 45 years of NASA POWER data.
May averages 154 mm of rainfall in Tenkasi, a relatively wet time of year. The wettest on record was 510 mm in 2004.
The hottest May reached 41.3°C in 1991. The coldest dipped to 20.6°C in 2011.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.6°C. Daytime highs moved from 31.8°C to 32.2°C and overnight lows from 23.3°C to 24.2°C over the same span.
May is one of the warmer months of the year in Tenkasi and a relatively wet time of year, so plan for around 32.4°C daytime highs and 23.9°C at night.
Not quite — May is the 10th coolest month in Tenkasi, averaging 28.2°C.
For May in Tenkasi, pack light, breathable clothing and sun protection, with typical highs of 32.4°C and lows of 23.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 78% — quite humid.
Average wind speed in May is 2.6 m/s. The windiest May on record averaged 3.2 m/s (1988).
The wettest May on record was 2004 with 510 mm. On average, May sees 154 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 Tenkasi 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.
