July is one of the warmer months of the year in Mayiladuthurai, with average highs near 38.2°C and lows around 24.2°C (mean 31.2°C). It is one of the drier months, averaging 61 mm of rainfall and 62% relative humidity across the period.
July is one of the warmer months of the year in Mayiladuthurai. Across 45 years of records, the warmest July in Mayiladuthurai was 1987 — when the month averaged 33°C — while the coldest was 1995 at 29.7°C. Typical July days reach 38.2°C with nights near 24.2°C. The long-term July temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.2°C | 30.6°C | 31.6°C | 31.4°C | 31.2°C | 0°C |
| Avg High | 38.5°C | 37.5°C | 38.6°C | 38.4°C | 37.9°C | -0.6°C |
| Avg Low | 23.9°C | 23.8°C | 24.6°C | 24.5°C | 24.4°C | +0.5°C |
| Avg Rain | 71 mm | 47 mm | 65 mm | 51 mm | 79 mm | +9 mm |
July temperatures in Mayiladuthurai have risen by about 0.3°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 22.8°C (1989) to a record high of 40.3°C (2023).
Rainfall in July is one of the drier months, averaging 61 mm, with a wettest year of 151 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 Mayiladuthurai
July is a good time to visit Mayiladuthurai, with days averaging 38.2°C and nights around 24.2°C (mean 31.2°C, warmer than Mayiladuthurai's yearly average) and moderate rainfall. January and December are marginally more temperate, but July still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 39.8°C | 24.6°C | 32.2°C | 18 mm | 56% | 4 m/s | 5.1 |
| 2024 | 38.2°C | 24.5°C | 31.4°C | 30 mm | 63% | 4.5 m/s | 4.9 |
| 2023 | 40.3°C | 24.4°C | 32.4°C | 71 mm | 62% | 3.9 m/s | 5 |
| 2022 | 36.4°C | 24.2°C | 30.3°C | 101 mm | 68% | 3.4 m/s | 5.2 |
| 2021 | 36.8°C | 24.0°C | 30.4°C | 105 mm | 69% | 3.5 m/s | 5.3 |
| 2020 | 36.0°C | 24.5°C | 30.3°C | 149 mm | 71% | 2.7 m/s | 5.1 |
| 2019 | 38.3°C | 24.5°C | 31.4°C | 71 mm | 60% | 3.5 m/s | 5.1 |
| 2018 | 37.9°C | 24.4°C | 31.2°C | 53 mm | 63% | 4.3 m/s | 5.1 |
| 2017 | 40.2°C | 25.5°C | 32.9°C | 66 mm | 56% | 3.6 m/s | 5.3 |
| 2016 | 38.4°C | 23.5°C | 30.9°C | 74 mm | 65% | 3.4 m/s | 5.5 |
| 2015 | 38.4°C | 24.2°C | 31.3°C | 33 mm | 60% | 3.9 m/s | 6 |
| 2014 | 38.8°C | 24.7°C | 31.8°C | 34 mm | 57% | 4.6 m/s | 5.6 |
| 2013 | 38.4°C | 24.8°C | 31.6°C | 29 mm | 56% | 4.7 m/s | 4.8 |
| 2012 | 38.0°C | 25.0°C | 31.5°C | 48 mm | 61% | 3.6 m/s | 5.6 |
| 2011 | 37.8°C | 24.0°C | 30.9°C | 60 mm | 60% | 4.2 m/s | 5.5 |
| 2010 | 37.3°C | 23.9°C | 30.6°C | 44 mm | 65% | 3.7 m/s | 5.1 |
| 2009 | 39.1°C | 25.1°C | 32.1°C | 31 mm | 55% | 4.8 m/s | 5.4 |
| 2008 | 38.3°C | 24.0°C | 31.1°C | 95 mm | 62% | 3.5 m/s | 5.7 |
| 2007 | 38.6°C | 24.7°C | 31.6°C | 72 mm | 63% | 3.8 m/s | 5.2 |
| 2006 | 40.2°C | 25.4°C | 32.8°C | 15 mm | 54% | 4.7 m/s | 5.5 |
| 2005 | 37.5°C | 25.4°C | 31.5°C | 26 mm | 61% | 4.4 m/s | 5.5 |
| 2004 | 36.8°C | 22.9°C | 29.8°C | 103 mm | 71% | 3.4 m/s | 5.4 |
| 2003 | 37.0°C | 24.4°C | 30.7°C | 73 mm | 66% | 3.3 m/s | 4.9 |
| 2002 | 39.4°C | 25.3°C | 32.3°C | 10 mm | 55% | 3.9 m/s | 5.7 |
| 2001 | 39.2°C | 24.3°C | 31.8°C | 114 mm | 60% | 4.1 m/s | 5.6 |
| 2000 | 39.7°C | 24.8°C | 32.2°C | 109 mm | 57% | 4.2 m/s | 5.5 |
| 1999 | 37.6°C | 23.8°C | 30.7°C | 26 mm | 61% | 4.3 m/s | 5.6 |
| 1998 | 38.4°C | 24.8°C | 31.6°C | 60 mm | 63% | 3.9 m/s | 5.3 |
| 1997 | 38.1°C | 24.4°C | 31.3°C | 49 mm | 64% | 4.4 m/s | 4.9 |
| 1996 | 36.5°C | 23.8°C | 30.1°C | 29 mm | 68% | 4.1 m/s | 4.5 |
| 1995 ❄️ | 36.1°C | 23.4°C | 29.7°C | 65 mm | 68% | 3.6 m/s | 4.8 |
| 1994 | 37.3°C | 23.6°C | 30.5°C | 59 mm | 64% | 4.5 m/s | 4.8 |
| 1993 | 37.3°C | 23.4°C | 30.3°C | 77 mm | 63% | 4.6 m/s | 5 |
| 1992 | 37.3°C | 23.8°C | 30.6°C | 52 mm | 65% | 4 m/s | 5 |
| 1991 | 37.0°C | 23.1°C | 30.0°C | 18 mm | 63% | 4.7 m/s | 4.7 |
| 1990 | 39.0°C | 23.7°C | 31.3°C | 38 mm | 57% | 4.2 m/s | 5.1 |
| 1989 | 37.4°C | 22.8°C | 30.1°C | 100 mm | 68% | 3.6 m/s | 5.1 |
| 1988 | 38.0°C | 24.2°C | 31.1°C | 96 mm | 69% | 3.5 m/s | 4.7 |
| 1987 🔥 | 40.2°C | 25.8°C | 33.0°C | 30 mm | 53% | 3.7 m/s | 5.6 |
| 1986 | 39.2°C | 24.4°C | 31.8°C | 28 mm | 55% | 3.9 m/s | 5.4 |
| 1985 | 37.0°C | 23.3°C | 30.2°C | 43 mm | 58% | 3.6 m/s | 5.1 |
| 1984 🌧️ | 38.3°C | 22.9°C | 30.6°C | 151 mm | 65% | 3.9 m/s | 5.5 |
| 1983 | 39.9°C | 24.7°C | 32.3°C | 32 mm | 55% | 3.9 m/s | — |
| 1982 | 39.7°C | 23.4°C | 31.6°C | 43 mm | 58% | 4.1 m/s | — |
| 1981 | 37.2°C | 23.7°C | 30.4°C | 113 mm | 65% | 3.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 38.2°C with lows near 24.2°C (mean 31.2°C), based on 45 years of NASA POWER data.
July averages 61 mm of rainfall in Mayiladuthurai, one of the drier months. The wettest on record was 151 mm in 1984.
The hottest July reached 40.3°C in 2023. The coldest dipped to 22.8°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.3°C. Daytime highs moved from 38.4°C to 38.3°C and overnight lows from 23.6°C to 24.3°C over the same span.
July is one of the warmer months of the year in Mayiladuthurai and one of the drier months, so plan for around 38.2°C daytime highs and 24.2°C at night.
Not quite — July is the 9th coolest month in Mayiladuthurai, averaging 31.2°C.
For July in Mayiladuthurai, pack light, breathable clothing and sun protection, with typical highs of 38.2°C and lows of 24.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 62% — moderately humid.
Average wind speed in July is 3.9 m/s. The windiest July on record averaged 4.8 m/s (2009).
The wettest July on record was 1984 with 151 mm. On average, July sees 61 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 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.
