July is one of the warmer months of the year in Mayiladuthurai, with average highs near 35.1°C and lows around 25.6°C (mean 30.4°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 Julys in Mayiladuthurai were 1987, 2002 and 2017 — when the month averaged 31.9°C — while the coldest were 1989 and 2004 at 28.8°C. Typical July days reach 35.1°C with nights near 25.6°C. The long-term trend is warming, about 0.2°C per decade.
July is one of the drier months in Mayiladuthurai, averaging 61 mm of rainfall. The wettest July on record was 1984 with 151 mm, while the driest was 2002 at 10 mm.
Relative humidity in Mayiladuthurai during July averages 62%. The most humid July was 2020 at 71%, and the least humid was 1987 at 53%.
July receives about 5.2 kWh/m²/day of solar energy in Mayiladuthurai. The sunniest July was 2015 at 6 kWh/m²/day, and the cloudiest was 1996 at 4.5.
Average wind speed in Mayiladuthurai during July is 3.9 m/s. The windiest July was 2009 at 4.8 m/s, while the calmest was 2020 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.0°C | 29.8°C | 30.7°C | 30.9°C | 30.3°C | +0.3°C |
| Avg High | 34.7°C | 34.4°C | 35.4°C | 35.7°C | 35.0°C | +0.3°C |
| Avg Low | 25.4°C | 25.2°C | 26.0°C | 26.0°C | 25.6°C | +0.2°C |
| Avg Rain | 71 mm | 47 mm | 65 mm | 51 mm | 79 mm | +9 mm |
July temperatures in Mayiladuthurai have risen by about 0.5°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.
A good time to visit Mayiladuthurai
July is a good time to visit Mayiladuthurai, with days averaging 35.1°C and nights around 25.6°C (mean 30.4°C, warmer than Mayiladuthurai's yearly average) and moderate rainfall. January and February are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 36.6°C | 31.6°C | 26.6°C | 39.8°C | 24.6°C | 18 mm | 56% | 4 m/s | 5.1 |
| 2024 | 35.5°C | 30.6°C | 25.6°C | 38.2°C | 24.5°C | 30 mm | 63% | 4.5 m/s | 4.9 |
| 2023 | 36.1°C | 30.9°C | 25.7°C | 40.3°C | 24.4°C | 71 mm | 62% | 3.9 m/s | 5 |
| 2022 | 34.3°C | 29.8°C | 25.2°C | 36.4°C | 24.2°C | 101 mm | 68% | 3.4 m/s | 5.2 |
| 2021 | 34.3°C | 29.8°C | 25.3°C | 36.8°C | 24.0°C | 105 mm | 69% | 3.5 m/s | 5.3 |
| 2020 | 33.1°C | 29.3°C | 25.4°C | 36.0°C | 24.5°C | 149 mm | 71% | 2.7 m/s | 5.1 |
| 2019 | 35.9°C | 31.3°C | 26.6°C | 38.3°C | 24.5°C | 71 mm | 60% | 3.5 m/s | 5.1 |
| 2018 | 35.4°C | 30.6°C | 25.9°C | 37.9°C | 24.4°C | 53 mm | 63% | 4.3 m/s | 5.1 |
| 2017 | 36.8°C | 31.9°C | 26.9°C | 40.2°C | 25.5°C | 66 mm | 56% | 3.6 m/s | 5.3 |
| 2016 | 34.9°C | 30.2°C | 25.6°C | 38.4°C | 23.5°C | 74 mm | 65% | 3.4 m/s | 5.5 |
| 2015 | 36.3°C | 31.2°C | 26.0°C | 38.4°C | 24.2°C | 33 mm | 60% | 3.9 m/s | 6 |
| 2014 | 36.6°C | 31.5°C | 26.3°C | 38.8°C | 24.7°C | 34 mm | 57% | 4.6 m/s | 5.6 |
| 2013 | 36.0°C | 31.0°C | 26.0°C | 38.4°C | 24.8°C | 29 mm | 56% | 4.7 m/s | 4.8 |
| 2012 | 35.5°C | 30.7°C | 25.9°C | 38.0°C | 25.0°C | 48 mm | 61% | 3.6 m/s | 5.6 |
| 2011 | 35.4°C | 30.4°C | 25.4°C | 37.8°C | 24.0°C | 60 mm | 60% | 4.2 m/s | 5.5 |
| 2010 | 34.5°C | 29.8°C | 25.0°C | 37.3°C | 23.9°C | 44 mm | 65% | 3.7 m/s | 5.1 |
| 2009 | 36.6°C | 31.5°C | 26.3°C | 39.1°C | 25.1°C | 31 mm | 55% | 4.8 m/s | 5.4 |
| 2008 | 34.7°C | 30.3°C | 25.9°C | 38.3°C | 24.0°C | 95 mm | 62% | 3.5 m/s | 5.7 |
| 2007 | 34.8°C | 30.5°C | 26.1°C | 38.6°C | 24.7°C | 72 mm | 63% | 3.8 m/s | 5.2 |
| 2006 | 37.0°C | 31.7°C | 26.5°C | 40.2°C | 25.4°C | 15 mm | 54% | 4.7 m/s | 5.5 |
| 2005 | 35.2°C | 30.8°C | 26.4°C | 37.5°C | 25.4°C | 26 mm | 61% | 4.4 m/s | 5.5 |
| 2004 | 33.1°C | 28.8°C | 24.5°C | 36.8°C | 22.9°C | 103 mm | 71% | 3.4 m/s | 5.4 |
| 2003 | 33.8°C | 29.7°C | 25.5°C | 37.0°C | 24.4°C | 73 mm | 66% | 3.3 m/s | 4.9 |
| 2002 | 37.4°C | 31.9°C | 26.5°C | 39.4°C | 25.3°C | 10 mm | 55% | 3.9 m/s | 5.7 |
| 2001 | 35.5°C | 30.7°C | 26.0°C | 39.2°C | 24.3°C | 114 mm | 60% | 4.1 m/s | 5.6 |
| 2000 | 35.9°C | 30.9°C | 25.9°C | 39.7°C | 24.8°C | 109 mm | 57% | 4.2 m/s | 5.5 |
| 1999 | 34.6°C | 29.9°C | 25.3°C | 37.6°C | 23.8°C | 26 mm | 61% | 4.3 m/s | 5.6 |
| 1998 | 34.7°C | 30.3°C | 25.9°C | 38.4°C | 24.8°C | 60 mm | 63% | 3.9 m/s | 5.3 |
| 1997 | 34.9°C | 30.2°C | 25.5°C | 38.1°C | 24.4°C | 49 mm | 64% | 4.4 m/s | 4.9 |
| 1996 | 33.5°C | 29.1°C | 24.7°C | 36.5°C | 23.8°C | 29 mm | 68% | 4.1 m/s | 4.5 |
| 1995 | 33.7°C | 29.3°C | 24.9°C | 36.1°C | 23.4°C | 65 mm | 68% | 3.6 m/s | 4.8 |
| 1994 | 34.4°C | 29.7°C | 25.0°C | 37.3°C | 23.6°C | 59 mm | 64% | 4.5 m/s | 4.8 |
| 1993 | 34.4°C | 29.7°C | 25.0°C | 37.3°C | 23.4°C | 77 mm | 63% | 4.6 m/s | 5 |
| 1992 | 33.7°C | 29.4°C | 25.1°C | 37.3°C | 23.8°C | 52 mm | 65% | 4 m/s | 5 |
| 1991 | 34.7°C | 29.7°C | 24.7°C | 37.0°C | 23.1°C | 18 mm | 63% | 4.7 m/s | 4.7 |
| 1990 | 35.6°C | 30.5°C | 25.4°C | 39.0°C | 23.7°C | 38 mm | 57% | 4.2 m/s | 5.1 |
| 1989 ❄️ | 32.8°C | 28.8°C | 24.8°C | 37.4°C | 22.8°C | 100 mm | 68% | 3.6 m/s | 5.1 |
| 1988 | 33.1°C | 29.1°C | 25.0°C | 38.0°C | 24.2°C | 96 mm | 69% | 3.5 m/s | 4.7 |
| 1987 🔥 | 37.0°C | 31.9°C | 26.8°C | 40.2°C | 25.8°C | 30 mm | 53% | 3.7 m/s | 5.6 |
| 1986 | 35.7°C | 30.8°C | 25.9°C | 39.2°C | 24.4°C | 28 mm | 55% | 3.9 m/s | 5.4 |
| 1985 | 34.5°C | 29.7°C | 24.9°C | 37.0°C | 23.3°C | 43 mm | 58% | 3.6 m/s | 5.1 |
| 1984 🌧️ | 33.7°C | 29.1°C | 24.4°C | 38.3°C | 22.9°C | 151 mm | 65% | 3.9 m/s | 5.5 |
| 1983 | 36.0°C | 31.0°C | 26.1°C | 39.9°C | 24.7°C | 32 mm | 55% | 3.9 m/s | — |
| 1982 | 35.2°C | 30.4°C | 25.5°C | 39.7°C | 23.4°C | 43 mm | 58% | 4.1 m/s | — |
| 1981 | 34.1°C | 29.6°C | 25.2°C | 37.2°C | 23.7°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 35.1°C with lows near 25.6°C (mean 30.4°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 0.5°C. Daytime highs moved from 34.7°C to 35.4°C and overnight lows from 25.2°C to 25.7°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 35.1°C daytime highs and 25.6°C at night.
Not quite — July is the 9th coolest month in Mayiladuthurai, averaging 30.4°C.
For July in Mayiladuthurai, pack light, breathable clothing and sun protection, with typical highs of 35.1°C and lows of 25.6°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.
