July is one of the warmer months of the year in Perambalur, with average highs near 34.6°C and lows around 24.2°C (mean 29.4°C). It is one of the drier months, averaging 58 mm of rainfall and 63% relative humidity across the period.
July is one of the warmer months of the year in Perambalur. Across 45 years of records, the warmest July in Perambalur was 2017 — when the month averaged 31.1°C — while the coldest was 1989 at 27.9°C. Typical July days reach 34.6°C with nights near 24.2°C. The long-term trend is warming, about 0.2°C per decade.
July is one of the drier months in Perambalur, averaging 58 mm of rainfall. The wettest July on record was 2020 with 156 mm, while the driest was 2002 at 6 mm.
Relative humidity in Perambalur during July averages 63%. The most humid July was 2020 at 73%, and the least humid was 1987 at 54%.
July receives about 5.2 kWh/m²/day of solar energy in Perambalur. The sunniest Julys were 2002 and 2015 at 5.9 kWh/m²/day, and the cloudiest were 1996 and 2024 at 4.6.
Average wind speed in Perambalur during July is 4 m/s. The windiest July was 2013 at 5.1 m/s, while the calmest was 2020 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.2°C | 28.8°C | 29.8°C | 29.9°C | 29.3°C | +0.1°C |
| Avg High | 34.3°C | 33.9°C | 34.9°C | 35.3°C | 34.4°C | +0.1°C |
| Avg Low | 24.0°C | 23.8°C | 24.6°C | 24.5°C | 24.2°C | +0.2°C |
| Avg Rain | 62 mm | 46 mm | 67 mm | 47 mm | 76 mm | +14 mm |
July temperatures in Perambalur have risen by about 0.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 21.3°C (1989) to a record high of 40.4°C (2017).
Rainfall in July is one of the drier months, averaging 58 mm, with a wettest year of 156 mm.
A good time to visit Perambalur
July is a good time to visit Perambalur, with days averaging 34.6°C and nights around 24.2°C (mean 29.4°C, warmer than Perambalur's yearly average) and moderate rainfall. January and December 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 | 36.3°C | 30.7°C | 25.1°C | 39.7°C | 22.9°C | 12 mm | 59% | 4.3 m/s | 4.9 |
| 2024 | 34.7°C | 29.4°C | 24.1°C | 37.7°C | 23.3°C | 25 mm | 66% | 4.4 m/s | 4.6 |
| 2023 | 35.9°C | 30.1°C | 24.4°C | 40.2°C | 23.0°C | 50 mm | 62% | 4 m/s | 4.8 |
| 2022 | 33.8°C | 28.9°C | 23.9°C | 35.8°C | 23.0°C | 99 mm | 69% | 3.4 m/s | 5 |
| 2021 | 33.4°C | 28.7°C | 23.9°C | 36.5°C | 22.8°C | 115 mm | 72% | 3.4 m/s | 5.2 |
| 2020 🌧️ | 32.5°C | 28.2°C | 24.0°C | 35.4°C | 23.1°C | 156 mm | 73% | 2.5 m/s | 5.2 |
| 2019 | 35.8°C | 30.5°C | 25.2°C | 38.7°C | 23.4°C | 48 mm | 60% | 3.6 m/s | 5.2 |
| 2018 | 34.5°C | 29.4°C | 24.2°C | 37.0°C | 23.1°C | 65 mm | 66% | 4.3 m/s | 4.9 |
| 2017 🔥 | 36.7°C | 31.1°C | 25.5°C | 40.4°C | 24.1°C | 51 mm | 55% | 4 m/s | 5.3 |
| 2016 | 34.7°C | 29.6°C | 24.4°C | 38.8°C | 22.1°C | 91 mm | 65% | 3.5 m/s | 5.3 |
| 2015 | 35.8°C | 30.1°C | 24.4°C | 37.7°C | 22.8°C | 19 mm | 62% | 3.8 m/s | 5.9 |
| 2014 | 35.9°C | 30.4°C | 24.9°C | 38.6°C | 23.5°C | 21 mm | 59% | 4.8 m/s | 5.3 |
| 2013 | 35.4°C | 30.0°C | 24.5°C | 37.6°C | 23.4°C | 16 mm | 59% | 5.1 m/s | 4.7 |
| 2012 | 35.1°C | 29.7°C | 24.4°C | 37.8°C | 23.5°C | 46 mm | 63% | 3.7 m/s | 5.6 |
| 2011 | 34.7°C | 29.3°C | 23.8°C | 37.9°C | 22.3°C | 63 mm | 62% | 4.3 m/s | 5.3 |
| 2010 | 34.1°C | 28.8°C | 23.6°C | 36.2°C | 22.6°C | 51 mm | 66% | 3.7 m/s | 5 |
| 2009 | 35.9°C | 30.3°C | 24.7°C | 39.5°C | 23.7°C | 21 mm | 57% | 4.9 m/s | 5.1 |
| 2008 | 34.4°C | 29.5°C | 24.6°C | 38.3°C | 22.5°C | 122 mm | 62% | 3.5 m/s | 5.5 |
| 2007 | 33.9°C | 29.3°C | 24.7°C | 37.1°C | 23.2°C | 73 mm | 66% | 3.7 m/s | 4.9 |
| 2006 | 36.5°C | 30.7°C | 25.0°C | 39.8°C | 24.0°C | 8 mm | 56% | 4.9 m/s | 5.5 |
| 2005 | 34.4°C | 29.7°C | 25.0°C | 36.9°C | 24.0°C | 28 mm | 63% | 4.3 m/s | 5.3 |
| 2004 | 32.8°C | 28.0°C | 23.3°C | 36.1°C | 21.7°C | 114 mm | 71% | 3.3 m/s | 5.3 |
| 2003 | 33.5°C | 28.9°C | 24.3°C | 36.9°C | 22.8°C | 71 mm | 67% | 3.2 m/s | 5.1 |
| 2002 | 37.1°C | 31.0°C | 24.9°C | 39.5°C | 23.8°C | 6 mm | 56% | 4.3 m/s | 5.9 |
| 2001 | 35.4°C | 30.1°C | 24.7°C | 39.7°C | 23.0°C | 114 mm | 60% | 4.5 m/s | 5.6 |
| 2000 | 35.5°C | 30.0°C | 24.5°C | 39.9°C | 23.5°C | 109 mm | 57% | 4.4 m/s | 5.4 |
| 1999 | 34.2°C | 29.1°C | 24.1°C | 37.3°C | 22.6°C | 22 mm | 61% | 4.3 m/s | 5.4 |
| 1998 | 34.0°C | 29.3°C | 24.5°C | 37.8°C | 23.2°C | 54 mm | 65% | 3.9 m/s | 5.1 |
| 1997 | 34.3°C | 29.2°C | 24.1°C | 37.5°C | 22.7°C | 34 mm | 66% | 4.3 m/s | 4.9 |
| 1996 | 33.2°C | 28.4°C | 23.5°C | 36.4°C | 22.6°C | 27 mm | 68% | 4 m/s | 4.6 |
| 1995 | 33.4°C | 28.5°C | 23.6°C | 36.3°C | 22.3°C | 66 mm | 69% | 3.6 m/s | 4.8 |
| 1994 | 33.7°C | 28.6°C | 23.5°C | 36.7°C | 22.0°C | 69 mm | 66% | 4.3 m/s | 4.7 |
| 1993 | 33.9°C | 28.8°C | 23.7°C | 36.4°C | 22.1°C | 76 mm | 65% | 4.5 m/s | 5 |
| 1992 | 33.0°C | 28.3°C | 23.7°C | 37.0°C | 22.5°C | 57 mm | 67% | 3.8 m/s | 5 |
| 1991 | 34.0°C | 28.6°C | 23.2°C | 36.1°C | 21.7°C | 20 mm | 66% | 4.4 m/s | 4.7 |
| 1990 | 35.2°C | 29.6°C | 23.9°C | 38.7°C | 22.1°C | 31 mm | 59% | 4.3 m/s | 5.2 |
| 1989 ❄️ | 32.3°C | 27.9°C | 23.5°C | 38.6°C | 21.3°C | 97 mm | 69% | 3.5 m/s | 5.1 |
| 1988 | 32.3°C | 28.0°C | 23.6°C | 37.6°C | 22.7°C | 110 mm | 72% | 3.2 m/s | 4.8 |
| 1987 | 36.6°C | 31.0°C | 25.4°C | 40.2°C | 23.9°C | 31 mm | 54% | 3.8 m/s | 5.6 |
| 1986 | 35.2°C | 29.8°C | 24.4°C | 38.3°C | 22.9°C | 24 mm | 57% | 4.1 m/s | 5.4 |
| 1985 | 34.2°C | 28.9°C | 23.6°C | 37.4°C | 22.1°C | 30 mm | 59% | 3.9 m/s | 5.2 |
| 1984 | 33.4°C | 28.3°C | 23.2°C | 37.1°C | 21.8°C | 126 mm | 66% | 3.9 m/s | 5.4 |
| 1983 | 35.5°C | 30.1°C | 24.6°C | 40.0°C | 22.9°C | 15 mm | 56% | 4.1 m/s | — |
| 1982 | 35.1°C | 29.6°C | 24.2°C | 39.8°C | 22.1°C | 32 mm | 58% | 4.2 m/s | — |
| 1981 | 33.7°C | 28.8°C | 23.9°C | 37.6°C | 22.5°C | 94 mm | 66% | 3.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 34.6°C with lows near 24.2°C (mean 29.4°C), based on 45 years of NASA POWER data.
July averages 58 mm of rainfall in Perambalur, one of the drier months. The wettest on record was 156 mm in 2020.
The hottest July reached 40.4°C in 2017. The coldest dipped to 21.3°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 34.4°C to 34.8°C and overnight lows from 23.9°C to 24.3°C over the same span.
July is one of the warmer months of the year in Perambalur and one of the drier months, so plan for around 34.6°C daytime highs and 24.2°C at night.
Not quite — July is the 8th coolest month in Perambalur, averaging 29.4°C.
For July in Perambalur, pack light, breathable clothing and sun protection, with typical highs of 34.6°C and lows of 24.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 63% — moderately humid.
Average wind speed in July is 4 m/s. The windiest July on record averaged 5.1 m/s (2013).
The wettest July on record was 2020 with 156 mm. On average, July sees 58 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 Perambalur 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.
