March is one of the warmer months of the year in Tirunelveli, with average highs near 38.3°C and lows around 19.6°C (mean 29°C). It is one of the drier months, averaging 34 mm of rainfall and 63% relative humidity across the period.
March is one of the warmer months of the year in Tirunelveli. Across 45 years of records, the warmest March in Tirunelveli was 1998 — when the month averaged 30.5°C — while the coldest was 1984 at 25.7°C. Typical March days reach 38.3°C with nights near 19.6°C. The long-term March temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.7°C | 29.0°C | 28.9°C | 29.2°C | 29.0°C | +0.3°C |
| Avg High | 37.9°C | 39.1°C | 37.9°C | 38.4°C | 38.1°C | +0.2°C |
| Avg Low | 19.5°C | 18.8°C | 19.8°C | 20.0°C | 19.8°C | +0.3°C |
| Avg Rain | 37 mm | 11 mm | 57 mm | 29 mm | 33 mm | -4 mm |
March temperatures in Tirunelveli have risen by about 0.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 15.8°C (1994) to a record high of 40.2°C (1983).
Rainfall in March is one of the drier months, averaging 34 mm, with a wettest year of 247 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Tirunelveli
March is a good time to visit Tirunelveli, with days averaging 38.3°C and nights around 19.6°C (mean 29°C, warmer than Tirunelveli's yearly average) and moderate rainfall. January and December are marginally more temperate, but March still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 36.7°C | 19.8°C | 28.3°C | 87 mm | 71% | 1.8 m/s | 5.8 |
| 2024 | 39.2°C | 20.3°C | 29.8°C | 24 mm | 61% | 2.2 m/s | 6.5 |
| 2023 | 39.1°C | 19.8°C | 29.5°C | 18 mm | 64% | 2.5 m/s | 5.9 |
| 2022 | 37.8°C | 19.2°C | 28.5°C | 27 mm | 64% | 2.2 m/s | 6.1 |
| 2021 | 36.9°C | 17.7°C | 27.3°C | 37 mm | 73% | 2 m/s | 6.2 |
| 2020 | 38.7°C | 21.9°C | 30.3°C | 7 mm | 60% | 2.2 m/s | 6.1 |
| 2019 | 39.3°C | 20.7°C | 30.0°C | 5 mm | 57% | 2.2 m/s | 6.5 |
| 2018 | 37.7°C | 19.7°C | 28.7°C | 36 mm | 66% | 2.2 m/s | 6 |
| 2017 | 38.4°C | 20.7°C | 29.6°C | 40 mm | 65% | 1.9 m/s | 5.8 |
| 2016 | 39.5°C | 21.3°C | 30.4°C | 20 mm | 64% | 1.9 m/s | 6.2 |
| 2015 | 37.6°C | 20.2°C | 28.9°C | 36 mm | 64% | 2.1 m/s | 6 |
| 2014 | 38.7°C | 19.7°C | 29.2°C | 22 mm | 63% | 2.5 m/s | 6 |
| 2013 | 37.0°C | 20.4°C | 28.7°C | 73 mm | 69% | 2 m/s | 6 |
| 2012 | 37.9°C | 20.4°C | 29.1°C | 33 mm | 62% | 2 m/s | 5.8 |
| 2011 | 38.5°C | 18.8°C | 28.6°C | 1 mm | 63% | 2.1 m/s | 6.4 |
| 2010 | 39.3°C | 18.5°C | 28.9°C | 28 mm | 61% | 2.4 m/s | 6.3 |
| 2009 | 38.9°C | 20.2°C | 29.6°C | 55 mm | 64% | 1.7 m/s | 6.1 |
| 2008 🌧️ | 35.9°C | 18.5°C | 27.2°C | 247 mm | 79% | 2.2 m/s | 4.8 |
| 2007 | 39.2°C | 20.1°C | 29.6°C | 2 mm | 57% | 2 m/s | 6.5 |
| 2006 | 37.3°C | 21.1°C | 29.2°C | 63 mm | 71% | 1.6 m/s | 6 |
| 2005 | 39.2°C | 20.7°C | 30.0°C | 21 mm | 63% | 2.2 m/s | 6.2 |
| 2004 | 39.1°C | 17.8°C | 28.4°C | 36 mm | 61% | 2.4 m/s | 6.3 |
| 2003 | 35.9°C | 19.4°C | 27.7°C | 69 mm | 72% | 1.8 m/s | 6.2 |
| 2002 | 37.3°C | 18.7°C | 28.0°C | 41 mm | 64% | 2.3 m/s | 6.3 |
| 2001 | 39.3°C | 21.0°C | 30.2°C | 4 mm | 58% | 2.4 m/s | 6.3 |
| 2000 | 37.1°C | 20.2°C | 28.7°C | 34 mm | 63% | 1.7 m/s | 6.4 |
| 1999 | 38.6°C | 16.3°C | 27.4°C | 29 mm | 66% | 1.8 m/s | 6.7 |
| 1998 🔥 | 40.1°C | 20.9°C | 30.5°C | 1 mm | 56% | 2.2 m/s | 6.2 |
| 1997 | 39.0°C | 18.9°C | 29.0°C | 24 mm | 61% | 2.1 m/s | 6.1 |
| 1996 | 39.6°C | 17.4°C | 28.5°C | 0 mm | 57% | 2.2 m/s | 6.2 |
| 1995 | 38.8°C | 19.1°C | 28.9°C | 12 mm | 58% | 2.3 m/s | 6.3 |
| 1994 | 38.7°C | 15.8°C | 27.2°C | 9 mm | 68% | 2.2 m/s | 6.3 |
| 1993 | 38.7°C | 19.8°C | 29.2°C | 12 mm | 59% | 2.4 m/s | 6.2 |
| 1992 | 39.4°C | 18.0°C | 28.7°C | 0 mm | 53% | 1.8 m/s | 6.9 |
| 1991 | 39.4°C | 21.5°C | 30.4°C | 3 mm | 59% | 2 m/s | 6.1 |
| 1990 | 38.6°C | 20.7°C | 29.7°C | 25 mm | 62% | 2.1 m/s | 6 |
| 1989 | 38.3°C | 18.1°C | 28.2°C | 23 mm | 58% | 2 m/s | 6.4 |
| 1988 | 38.8°C | 20.8°C | 29.8°C | 33 mm | 65% | 2.1 m/s | 5.8 |
| 1987 | 38.6°C | 20.0°C | 29.3°C | 10 mm | 56% | 2.2 m/s | 6.5 |
| 1986 | 38.3°C | 19.8°C | 29.1°C | 21 mm | 66% | 2.2 m/s | 6.2 |
| 1985 | 38.2°C | 19.8°C | 29.0°C | 15 mm | 62% | 2 m/s | 6.3 |
| 1984 ❄️ | 33.2°C | 18.3°C | 25.7°C | 135 mm | 79% | 1.5 m/s | 5.6 |
| 1983 | 40.2°C | 20.2°C | 30.2°C | 0 mm | 56% | 2.1 m/s | — |
| 1982 | 38.5°C | 19.3°C | 28.9°C | 33 mm | 61% | 1.9 m/s | — |
| 1981 | 36.7°C | 19.1°C | 27.9°C | 66 mm | 68% | 2.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 38.3°C with lows near 19.6°C (mean 29°C), based on 45 years of NASA POWER data.
March averages 34 mm of rainfall in Tirunelveli, one of the drier months. The wettest on record was 247 mm in 2008.
The hottest March reached 40.2°C in 1983. The coldest dipped to 15.8°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.4°C. Daytime highs moved from 37.4°C to 37.9°C and overnight lows from 19.3°C to 19.4°C over the same span.
March is one of the warmer months of the year in Tirunelveli and one of the drier months, so plan for around 38.3°C daytime highs and 19.6°C at night.
Not quite — March is the 10th coolest month in Tirunelveli, averaging 29°C.
For March in Tirunelveli, pack light, breathable clothing and sun protection, with typical highs of 38.3°C and lows of 19.6°C.
Relative humidity in March averages 63% — moderately humid.
Average wind speed in March is 2.1 m/s. The windiest March on record averaged 2.5 m/s (2014).
The wettest March on record was 2008 with 247 mm. On average, March sees 34 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 Tirunelveli behaves each March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
