July is close to Thoothukudi's year-round average, with average highs near 34.4°C and lows around 23.4°C (mean 28.9°C). It is about average for rainfall, averaging 96 mm of rainfall and 76% relative humidity across the period.
July is close to Thoothukudi's year-round average. Across 45 years of records, the warmest Julys in Thoothukudi were 2017 and 2023 — when the month averaged 31.6°C — while the coldest were 1982, 1985 and 1991 at 26.6°C. Typical July days reach 34.4°C with nights near 23.4°C. The long-term trend is warming, about 0.9°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.9°C | 27.5°C | 28.5°C | 30.6°C | 30.6°C | +2.7°C |
| Avg High | 33.2°C | 32.1°C | 33.8°C | 36.9°C | 36.7°C | +3.5°C |
| Avg Low | 22.7°C | 22.9°C | 23.1°C | 24.3°C | 24.4°C | +1.7°C |
| Avg Rain | 116 mm | 160 mm | 117 mm | 24 mm | 44 mm | -72 mm |
July temperatures in Thoothukudi have risen by about 3.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 22.1°C (1985) to a record high of 38.5°C (2017).
Rainfall in July is about average for rainfall, averaging 96 mm, with a wettest year of 251 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 1.3°C per decade while lows rose 0.5°C per decade, widening the gap between day and night.
A good time to visit Thoothukudi
July is a good time to visit Thoothukudi, with days averaging 34.4°C and nights around 23.4°C (mean 28.9°C, close to Thoothukudi's yearly average) and higher rainfall. January and December are marginally more temperate, but July still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 37.1°C | 24.2°C | 30.6°C | 27 mm | 68% | 5 m/s | 5.5 |
| 2024 | 36.1°C | 24.4°C | 30.2°C | 31 mm | 72% | 4.7 m/s | 5.1 |
| 2023 | 38.4°C | 24.7°C | 31.6°C | 33 mm | 67% | 4.6 m/s | 5.5 |
| 2022 | 36.4°C | 24.4°C | 30.4°C | 79 mm | 70% | 4 m/s | 5.1 |
| 2021 | 36.7°C | 24.3°C | 30.5°C | 45 mm | 73% | 4.6 m/s | 5.7 |
| 2020 | 35.4°C | 24.6°C | 30.0°C | 49 mm | 72% | 3.7 m/s | 5.3 |
| 2019 | 37.2°C | 24.3°C | 30.8°C | 22 mm | 66% | 4.5 m/s | 5.7 |
| 2018 | 36.7°C | 24.3°C | 30.5°C | 37 mm | 68% | 5.1 m/s | 5.5 |
| 2017 🔥 | 38.5°C | 24.6°C | 31.6°C | 34 mm | 65% | 4.5 m/s | 5.8 |
| 2016 | 37.4°C | 23.8°C | 30.6°C | 47 mm | 69% | 4.4 m/s | 5.9 |
| 2015 | 35.5°C | 24.1°C | 29.8°C | 22 mm | 72% | 4.8 m/s | 5.9 |
| 2014 | 37.0°C | 24.7°C | 30.9°C | 3 mm | 65% | 5.4 m/s | 6 |
| 2013 | 37.1°C | 24.2°C | 30.7°C | 9 mm | 67% | 5.5 m/s | 5.3 |
| 2012 | 36.8°C | 25.2°C | 31.0°C | 8 mm | 65% | 4.9 m/s | 6.1 |
| 2011 | 37.3°C | 24.1°C | 30.7°C | 23 mm | 64% | 5.1 m/s | 5.8 |
| 2010 | 35.4°C | 24.1°C | 29.8°C | 38 mm | 69% | 4.7 m/s | 5.4 |
| 2009 | 35.4°C | 23.5°C | 29.4°C | 45 mm | 73% | 4.8 m/s | 5.6 |
| 2008 | 36.3°C | 23.5°C | 29.9°C | 79 mm | 72% | 4.5 m/s | 5.8 |
| 2007 | 32.8°C | 23.7°C | 28.3°C | 87 mm | 78% | 4.4 m/s | 5.6 |
| 2006 | 33.4°C | 22.6°C | 28.0°C | 109 mm | 82% | 4.2 m/s | 5.4 |
| 2005 | 31.2°C | 23.5°C | 27.3°C | 167 mm | 84% | 4.4 m/s | 5.7 |
| 2004 | 31.3°C | 22.8°C | 27.1°C | 206 mm | 85% | 4.1 m/s | 5.9 |
| 2003 | 32.9°C | 23.3°C | 28.1°C | 102 mm | 81% | 3.8 m/s | 5.6 |
| 2002 | 35.4°C | 23.5°C | 29.4°C | 41 mm | 73% | 4.8 m/s | 6 |
| 2001 🌧️ | 32.4°C | 22.4°C | 27.4°C | 251 mm | 84% | 3.9 m/s | 5.6 |
| 2000 | 36.6°C | 22.6°C | 29.6°C | 80 mm | 70% | 4.3 m/s | 5.9 |
| 1999 | 31.8°C | 23.0°C | 27.4°C | 98 mm | 83% | 4.4 m/s | 5.8 |
| 1998 | 32.8°C | 23.1°C | 27.9°C | 95 mm | 81% | 4.1 m/s | 5.6 |
| 1997 | 32.0°C | 23.5°C | 27.7°C | 170 mm | 85% | 4.3 m/s | 4.8 |
| 1996 | 32.5°C | 22.5°C | 27.5°C | 170 mm | 82% | 4.6 m/s | 4.4 |
| 1995 | 34.0°C | 23.3°C | 28.6°C | 68 mm | 76% | 4.5 m/s | 4.5 |
| 1994 | 31.9°C | 22.9°C | 27.4°C | 206 mm | 81% | 4.4 m/s | 4.7 |
| 1993 | 30.8°C | 22.7°C | 26.7°C | 221 mm | 84% | 4.6 m/s | 4.6 |
| 1992 | 31.6°C | 22.8°C | 27.2°C | 165 mm | 83% | 4.3 m/s | 4.6 |
| 1991 | 30.5°C | 22.8°C | 26.6°C | 194 mm | 87% | 4 m/s | 4.7 |
| 1990 | 33.3°C | 22.4°C | 27.9°C | 208 mm | 81% | 4.1 m/s | 4.9 |
| 1989 | 32.1°C | 22.5°C | 27.3°C | 190 mm | 84% | 3.9 m/s | 4.9 |
| 1988 | 31.8°C | 23.1°C | 27.5°C | 189 mm | 85% | 3.8 m/s | 4.8 |
| 1987 | 36.3°C | 22.7°C | 29.5°C | 43 mm | 72% | 4.2 m/s | 5.2 |
| 1986 | 35.0°C | 23.0°C | 29.0°C | 51 mm | 73% | 4.5 m/s | 4.9 |
| 1985 | 31.2°C | 22.1°C | 26.6°C | 106 mm | 83% | 4.1 m/s | 5.4 |
| 1984 | 31.9°C | 22.4°C | 27.1°C | 138 mm | 79% | 4.3 m/s | 5.4 |
| 1983 | 38.0°C | 23.2°C | 30.6°C | 50 mm | 67% | 4.6 m/s | — |
| 1982 ❄️ | 30.8°C | 22.4°C | 26.6°C | 140 mm | 85% | 4 m/s | — |
| 1981 | 31.3°C | 22.5°C | 26.9°C | 137 mm | 84% | 4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 34.4°C with lows near 23.4°C (mean 28.9°C), based on 45 years of NASA POWER data.
July averages 96 mm of rainfall in Thoothukudi, about average for rainfall. The wettest on record was 251 mm in 2001.
The hottest July reached 38.5°C in 2017. The coldest dipped to 22.1°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 3.1°C. Daytime highs moved from 32.6°C to 36.9°C and overnight lows from 22.5°C to 24.4°C over the same span.
July is close to Thoothukudi's year-round average and about average for rainfall, so plan for around 34.4°C daytime highs and 23.4°C at night.
Not quite — July is the 6th coolest month in Thoothukudi, averaging 28.9°C.
For July in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 34.4°C and lows of 23.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 76% — quite humid.
Average wind speed in July is 4.4 m/s. The windiest July on record averaged 5.5 m/s (2013).
The wettest July on record was 2001 with 251 mm. On average, July sees 96 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 Thoothukudi behaves each July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
