July is one of the warmer months of the year in Tiruvallur, with average highs near 33.9°C and lows around 25.9°C (mean 29.9°C). It is about average for rainfall, averaging 107 mm of rainfall and 68% relative humidity across the period.
July is one of the warmer months of the year in Tiruvallur. Across 45 years of records, the warmest July in Tiruvallur was 2002 — when the month averaged 31.9°C — while the coldest was 1985 at 28.3°C. Typical July days reach 33.9°C with nights near 25.9°C. The long-term July temperature trend is broadly flat.
July is about average for rainfall in Tiruvallur, averaging 107 mm of rainfall. The wettest July on record was 2021 with 210 mm, while the driest was 1987 at 43 mm.
Relative humidity in Tiruvallur during July averages 68%. The most humid July was 2020 at 78%, and the least humid was 2009 at 57%.
July receives about 5 kWh/m²/day of solar energy in Tiruvallur. The sunniest July was 2015 at 5.9 kWh/m²/day, and the cloudiest was 2013 at 4.3.
Average wind speed in Tiruvallur during July is 3.5 m/s. The windiest July was 2009 at 4.5 m/s, while the calmest were 2012 and 2020 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.5°C | 29.8°C | 30.3°C | 30.1°C | 29.6°C | +0.1°C |
| Avg High | 33.3°C | 33.9°C | 34.3°C | 34.3°C | 33.3°C | 0°C |
| Avg Low | 25.7°C | 25.8°C | 26.2°C | 26.0°C | 25.8°C | +0.1°C |
| Avg Rain | 122 mm | 75 mm | 101 mm | 107 mm | 146 mm | +25 mm |
July temperatures in Tiruvallur have risen by about 0.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 23°C (1989) to a record high of 39.3°C (1987).
Rainfall in July is about average for rainfall, averaging 107 mm, with a wettest year of 210 mm.
A good time to visit Tiruvallur
July is a good time to visit Tiruvallur, with days averaging 33.9°C and nights around 25.9°C (mean 29.9°C, warmer than Tiruvallur's yearly average) and higher 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 | 35.1°C | 30.6°C | 26.0°C | 38.4°C | 24.4°C | 108 mm | 65% | 3.4 m/s | 4.9 |
| 2024 | 34.0°C | 29.8°C | 25.6°C | 36.7°C | 24.7°C | 164 mm | 73% | 3.8 m/s | 4.4 |
| 2023 | 34.0°C | 29.9°C | 25.8°C | 37.1°C | 24.6°C | 89 mm | 71% | 3.5 m/s | 4.4 |
| 2022 | 32.9°C | 29.3°C | 25.8°C | 35.3°C | 24.8°C | 113 mm | 74% | 3.1 m/s | 4.9 |
| 2021 🌧️ | 32.4°C | 29.0°C | 25.6°C | 35.0°C | 24.5°C | 210 mm | 77% | 3.3 m/s | 5.1 |
| 2020 | 31.5°C | 28.7°C | 26.0°C | 35.4°C | 25.3°C | 195 mm | 78% | 2.9 m/s | 5 |
| 2019 | 34.2°C | 30.3°C | 26.5°C | 37.7°C | 24.5°C | 148 mm | 69% | 3.1 m/s | 5 |
| 2018 | 35.2°C | 30.8°C | 26.4°C | 37.0°C | 24.8°C | 69 mm | 64% | 3.7 m/s | 4.8 |
| 2017 | 34.9°C | 30.6°C | 26.3°C | 37.5°C | 25.0°C | 156 mm | 67% | 3 m/s | 5.1 |
| 2016 | 33.1°C | 29.3°C | 25.6°C | 36.1°C | 23.6°C | 94 mm | 73% | 3.4 m/s | 5.3 |
| 2015 | 36.0°C | 31.4°C | 26.8°C | 38.6°C | 25.1°C | 95 mm | 63% | 3.2 m/s | 5.9 |
| 2014 | 34.9°C | 30.5°C | 26.2°C | 37.5°C | 24.6°C | 47 mm | 65% | 3.9 m/s | 4.9 |
| 2013 | 33.6°C | 29.4°C | 25.2°C | 35.9°C | 24.0°C | 100 mm | 69% | 3.9 m/s | 4.3 |
| 2012 | 34.3°C | 30.1°C | 25.8°C | 37.2°C | 24.8°C | 96 mm | 68% | 2.9 m/s | 5.2 |
| 2011 | 34.1°C | 29.9°C | 25.7°C | 36.6°C | 24.3°C | 152 mm | 67% | 3.5 m/s | 5.2 |
| 2010 | 32.4°C | 28.9°C | 25.3°C | 35.0°C | 24.5°C | 118 mm | 74% | 3.1 m/s | 4.7 |
| 2009 | 36.0°C | 31.5°C | 27.0°C | 39.0°C | 25.7°C | 72 mm | 57% | 4.5 m/s | 5.2 |
| 2008 | 34.1°C | 30.2°C | 26.3°C | 37.2°C | 25.0°C | 62 mm | 66% | 3.3 m/s | 5.4 |
| 2007 | 33.3°C | 29.7°C | 26.1°C | 36.9°C | 24.9°C | 180 mm | 72% | 3.1 m/s | 5 |
| 2006 | 35.6°C | 30.8°C | 26.1°C | 37.9°C | 24.5°C | 103 mm | 63% | 3.9 m/s | 5.4 |
| 2005 | 34.5°C | 30.6°C | 26.6°C | 36.8°C | 24.8°C | 74 mm | 64% | 3.8 m/s | 5 |
| 2004 | 32.4°C | 28.8°C | 25.2°C | 35.3°C | 24.0°C | 62 mm | 74% | 3.3 m/s | 5.2 |
| 2003 | 32.4°C | 29.0°C | 25.7°C | 34.6°C | 24.9°C | 161 mm | 74% | 3.2 m/s | 4.6 |
| 2002 🔥 | 36.4°C | 31.9°C | 27.5°C | 39.3°C | 25.6°C | 45 mm | 58% | 3.8 m/s | 5.5 |
| 2001 | 34.6°C | 30.4°C | 26.2°C | 37.8°C | 24.2°C | 137 mm | 65% | 3.8 m/s | 5.3 |
| 2000 | 34.0°C | 29.9°C | 25.7°C | 37.1°C | 24.4°C | 117 mm | 67% | 3.5 m/s | 5.1 |
| 1999 | 34.0°C | 29.9°C | 25.7°C | 36.3°C | 24.4°C | 50 mm | 66% | 4.1 m/s | 5.2 |
| 1998 | 33.7°C | 30.1°C | 26.4°C | 37.9°C | 25.3°C | 94 mm | 69% | 3.2 m/s | 5.1 |
| 1997 | 35.5°C | 31.0°C | 26.4°C | 38.3°C | 25.5°C | 51 mm | 63% | 3.9 m/s | 4.9 |
| 1996 | 32.3°C | 28.6°C | 25.0°C | 35.2°C | 24.2°C | 69 mm | 76% | 3.5 m/s | 4.5 |
| 1995 | 32.8°C | 29.3°C | 25.7°C | 36.1°C | 24.6°C | 122 mm | 72% | 3.3 m/s | 4.8 |
| 1994 | 34.4°C | 30.1°C | 25.9°C | 37.0°C | 24.8°C | 64 mm | 65% | 4.3 m/s | 4.6 |
| 1993 | 34.2°C | 30.1°C | 25.9°C | 37.9°C | 24.7°C | 82 mm | 65% | 4.2 m/s | 4.6 |
| 1992 | 33.4°C | 29.7°C | 26.0°C | 36.1°C | 24.4°C | 84 mm | 68% | 3.4 m/s | 5 |
| 1991 | 33.8°C | 29.5°C | 25.2°C | 36.1°C | 23.8°C | 61 mm | 68% | 4.2 m/s | 4.6 |
| 1990 | 34.8°C | 30.1°C | 25.5°C | 37.4°C | 23.7°C | 71 mm | 66% | 3.5 m/s | 5.1 |
| 1989 | 32.6°C | 29.0°C | 25.4°C | 36.7°C | 23.0°C | 135 mm | 71% | 3.5 m/s | 5 |
| 1988 | 33.0°C | 29.5°C | 26.0°C | 36.4°C | 24.5°C | 129 mm | 71% | 3.4 m/s | 4.6 |
| 1987 | 35.4°C | 31.1°C | 26.9°C | 39.3°C | 25.2°C | 43 mm | 62% | 3.4 m/s | 5.2 |
| 1986 | 34.5°C | 30.3°C | 26.1°C | 37.7°C | 24.7°C | 67 mm | 63% | 3.5 m/s | 5.4 |
| 1985 ❄️ | 31.9°C | 28.3°C | 24.7°C | 35.6°C | 23.8°C | 150 mm | 71% | 3 m/s | 5 |
| 1984 | 32.7°C | 28.9°C | 25.2°C | 37.7°C | 23.9°C | 158 mm | 70% | 3.5 m/s | 5 |
| 1983 | 33.8°C | 30.0°C | 26.3°C | 38.2°C | 25.1°C | 79 mm | 64% | 3.6 m/s | — |
| 1982 | 32.9°C | 29.0°C | 25.1°C | 37.8°C | 23.4°C | 149 mm | 70% | 3.6 m/s | — |
| 1981 | 33.1°C | 29.5°C | 25.9°C | 37.1°C | 24.5°C | 187 mm | 69% | 3.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.9°C with lows near 25.9°C (mean 29.9°C), based on 45 years of NASA POWER data.
July averages 107 mm of rainfall in Tiruvallur, about average for rainfall. The wettest on record was 210 mm in 2021.
The hottest July reached 39.3°C in 1987. The coldest dipped to 23°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.6°C. Daytime highs moved from 32.9°C to 33.7°C and overnight lows from 25.4°C to 25.8°C over the same span.
July is one of the warmer months of the year in Tiruvallur and about average for rainfall, so plan for around 33.9°C daytime highs and 25.9°C at night.
Not quite — July is the 9th coolest month in Tiruvallur, averaging 29.9°C.
For July in Tiruvallur, pack light, breathable clothing and sun protection, with typical highs of 33.9°C and lows of 25.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 68% — moderately humid.
Average wind speed in July is 3.5 m/s. The windiest July on record averaged 4.5 m/s (2009).
The wettest July on record was 2021 with 210 mm. On average, July sees 107 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 Tiruvallur 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.
