August is close to Tirunelveli's year-round average, with average highs near 31.1°C and lows around 21.5°C (mean 26.3°C). It is one of the drier months, averaging 104 mm of rainfall and 85% relative humidity across the period.
August is close to Tirunelveli's year-round average. Across 45 years of records, the warmest August in Tirunelveli was 2023 — when the month averaged 29.3°C — while the coldest was 1985 at 24.5°C. Typical August days reach 31.1°C with nights near 21.5°C. The long-term trend is warming, about 0.6°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.6°C | 25.3°C | 25.9°C | 27.3°C | 27.9°C | +2.3°C |
| Avg High | 30.2°C | 29.4°C | 30.4°C | 32.6°C | 33.9°C | +3.7°C |
| Avg Low | 21.0°C | 21.2°C | 21.4°C | 22.0°C | 21.9°C | +0.9°C |
| Avg Rain | 134 mm | 112 mm | 120 mm | 76 mm | 68 mm | -66 mm |
August temperatures in Tirunelveli have risen by about 2.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 20.4°C (1986) to a record high of 37.1°C (2023).
Rainfall in August is one of the drier months, averaging 104 mm, with a wettest year of 333 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 1°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
One of the best times to visit Tirunelveli
August is one of the best times to visit Tirunelveli. Expect days averaging 31.1°C and nights around 21.5°C (mean 26.3°C) — close to Tirunelveli's yearly average — with higher rainfall (104 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.5°C | 21.9°C | 27.7°C | 42 mm | 84% | 3.8 m/s | 5.4 |
| 2024 | 31.9°C | 22.4°C | 27.1°C | 98 mm | 86% | 3.3 m/s | 5.3 |
| 2023 🔥 | 37.1°C | 21.6°C | 29.3°C | 31 mm | 71% | 3.8 m/s | 6.2 |
| 2022 | 34.5°C | 21.5°C | 28.0°C | 113 mm | 81% | 4.1 m/s | 5 |
| 2021 | 32.4°C | 21.7°C | 27.0°C | 52 mm | 81% | 3.9 m/s | 5.2 |
| 2020 | 34.0°C | 22.1°C | 28.1°C | 71 mm | 82% | 3.9 m/s | 5.2 |
| 2019 | 32.9°C | 22.2°C | 27.5°C | 127 mm | 82% | 4 m/s | 4.6 |
| 2018 | 31.4°C | 21.8°C | 26.6°C | 129 mm | 85% | 4.8 m/s | 4.9 |
| 2017 | 32.5°C | 22.0°C | 27.3°C | 48 mm | 81% | 3.9 m/s | 5.3 |
| 2016 | 32.9°C | 21.9°C | 27.4°C | 15 mm | 79% | 4.8 m/s | 5.8 |
| 2015 | 34.3°C | 22.0°C | 28.1°C | 29 mm | 81% | 3.7 m/s | 5.7 |
| 2014 | 31.4°C | 21.9°C | 26.6°C | 184 mm | 84% | 3.9 m/s | 5.3 |
| 2013 | 31.3°C | 21.8°C | 26.6°C | 70 mm | 85% | 4 m/s | 5.5 |
| 2012 | 33.7°C | 22.1°C | 27.9°C | 69 mm | 78% | 4.1 m/s | 5.4 |
| 2011 | 34.0°C | 22.2°C | 28.1°C | 44 mm | 78% | 4.3 m/s | 5.4 |
| 2010 | 31.8°C | 21.6°C | 26.7°C | 44 mm | 83% | 4.4 m/s | 5 |
| 2009 | 31.4°C | 21.9°C | 26.7°C | 61 mm | 84% | 3.7 m/s | 5.3 |
| 2008 | 31.7°C | 20.9°C | 26.3°C | 113 mm | 85% | 3.3 m/s | 5.3 |
| 2007 | 28.9°C | 21.4°C | 25.2°C | 98 mm | 89% | 3.4 m/s | 5.3 |
| 2006 | 30.4°C | 20.9°C | 25.6°C | 102 mm | 88% | 3.4 m/s | 5.7 |
| 2005 | 30.0°C | 21.6°C | 25.8°C | 41 mm | 88% | 3.6 m/s | 6.1 |
| 2004 | 29.3°C | 21.5°C | 25.4°C | 118 mm | 89% | 4.2 m/s | 5.7 |
| 2003 | 30.1°C | 20.7°C | 25.4°C | 97 mm | 86% | 3.7 m/s | 5.4 |
| 2002 | 31.5°C | 21.6°C | 26.5°C | 83 mm | 83% | 4.1 m/s | 5.4 |
| 2001 | 29.6°C | 21.9°C | 25.8°C | 164 mm | 89% | 4 m/s | 5.4 |
| 2000 | 31.5°C | 21.7°C | 26.6°C | 325 mm | 85% | 4.2 m/s | 4.7 |
| 1999 | 29.0°C | 21.3°C | 25.1°C | 68 mm | 88% | 3.6 m/s | 5.6 |
| 1998 | 29.8°C | 21.1°C | 25.4°C | 194 mm | 88% | 3.5 m/s | 5.4 |
| 1997 | 29.1°C | 21.1°C | 25.1°C | 131 mm | 90% | 3.8 m/s | 4.6 |
| 1996 | 28.8°C | 20.9°C | 24.8°C | 134 mm | 89% | 4 m/s | 4.7 |
| 1995 | 30.5°C | 21.6°C | 26.1°C | 65 mm | 85% | 4.1 m/s | 4.9 |
| 1994 | 29.4°C | 20.9°C | 25.2°C | 184 mm | 90% | 3.6 m/s | 4.7 |
| 1993 | 29.2°C | 21.2°C | 25.2°C | 47 mm | 87% | 3.9 m/s | 4.9 |
| 1992 | 28.6°C | 21.8°C | 25.2°C | 98 mm | 89% | 4.1 m/s | 4.8 |
| 1991 | 28.3°C | 21.4°C | 24.9°C | 145 mm | 89% | 3.7 m/s | 4.5 |
| 1990 | 31.2°C | 20.9°C | 26.0°C | 56 mm | 85% | 4.5 m/s | 4.9 |
| 1989 | 29.2°C | 20.5°C | 24.9°C | 98 mm | 88% | 4.1 m/s | 4.9 |
| 1988 | 29.1°C | 21.3°C | 25.2°C | 98 mm | 89% | 3.6 m/s | 4.4 |
| 1987 🌧️ | 33.2°C | 21.3°C | 27.3°C | 333 mm | 83% | 3.7 m/s | 4.9 |
| 1986 | 31.4°C | 20.4°C | 25.9°C | 182 mm | 84% | 4.4 m/s | 5.2 |
| 1985 ❄️ | 28.2°C | 20.9°C | 24.5°C | 64 mm | 87% | 4.1 m/s | 5 |
| 1984 | 31.3°C | 21.2°C | 26.3°C | 40 mm | 83% | 4.5 m/s | 5.8 |
| 1983 | 31.6°C | 21.2°C | 26.4°C | 115 mm | 84% | 3.9 m/s | — |
| 1982 | 28.9°C | 20.9°C | 24.9°C | 112 mm | 89% | 3.6 m/s | — |
| 1981 | 29.0°C | 20.9°C | 25.0°C | 163 mm | 88% | 3.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.1°C with lows near 21.5°C (mean 26.3°C), based on 45 years of NASA POWER data.
August averages 104 mm of rainfall in Tirunelveli, one of the drier months. The wettest on record was 333 mm in 1987.
The hottest August reached 37.1°C in 2023. The coldest dipped to 20.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.4°C. Daytime highs moved from 29.8°C to 33.9°C and overnight lows from 21°C to 21.8°C over the same span.
August is close to Tirunelveli's year-round average and one of the drier months, so plan for around 31.1°C daytime highs and 21.5°C at night.
Not quite — August is the 6th coolest month in Tirunelveli, averaging 26.3°C.
For August in Tirunelveli, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 21.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 85% — quite humid.
Average wind speed in August is 3.9 m/s. The windiest August on record averaged 4.8 m/s (2016).
The wettest August on record was 1987 with 333 mm. On average, August sees 104 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 August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
