July is one of the warmer months of the year in Namakkal, with average highs near 33.8°C and lows around 23.6°C (mean 28.7°C). It is about average for rainfall, averaging 55 mm of rainfall and 66% relative humidity across the period.
July is one of the warmer months of the year in Namakkal. Across 45 years of records, the warmest Julys in Namakkal were 1987, 2002 and 2017 — when the month averaged 30.1°C — while the coldest were 1988 and 1989 at 27.5°C. Typical July days reach 33.8°C with nights near 23.6°C. The long-term trend is warming, about 0.2°C per decade.
July is about average for rainfall in Namakkal, averaging 55 mm of rainfall. The wettest July on record was 2020 with 133 mm, while the driest was 2002 at 7 mm.
Relative humidity in Namakkal during July averages 66%. The most humid July was 2020 at 73%, and the least humid was 1987 at 58%.
July receives about 5.2 kWh/m²/day of solar energy in Namakkal. 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 Namakkal during July is 4.1 m/s. The windiest July was 2013 at 5.1 m/s, while the calmest was 2020 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.4°C | 28.2°C | 29.0°C | 29.2°C | 28.7°C | +0.3°C |
| Avg High | 33.5°C | 33.1°C | 34.1°C | 34.5°C | 33.8°C | +0.3°C |
| Avg Low | 23.4°C | 23.3°C | 23.9°C | 23.8°C | 23.7°C | +0.3°C |
| Avg Rain | 59 mm | 45 mm | 65 mm | 42 mm | 70 mm | +12 mm |
July temperatures in Namakkal have risen by about 0.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 21.1°C (1982) to a record high of 39.8°C (1987).
Rainfall in July is about average for rainfall, averaging 55 mm, with a wettest year of 133 mm.
A good time to visit Namakkal
July is a good time to visit Namakkal, with days averaging 33.8°C and nights around 23.6°C (mean 28.7°C, close to Namakkal'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 | 35.4°C | 29.8°C | 24.3°C | 38.2°C | 22.4°C | 15 mm | 63% | 4.4 m/s | 4.9 |
| 2024 | 33.7°C | 28.6°C | 23.5°C | 36.9°C | 22.8°C | 36 mm | 69% | 4.4 m/s | 4.6 |
| 2023 | 35.4°C | 29.6°C | 23.9°C | 39.4°C | 22.5°C | 42 mm | 63% | 4.3 m/s | 4.8 |
| 2022 | 33.1°C | 28.2°C | 23.3°C | 35.6°C | 22.5°C | 104 mm | 71% | 3.5 m/s | 5 |
| 2021 | 32.9°C | 28.2°C | 23.4°C | 36.0°C | 22.4°C | 92 mm | 73% | 3.5 m/s | 5.2 |
| 2020 🌧️ | 32.3°C | 27.9°C | 23.5°C | 35.2°C | 22.7°C | 133 mm | 73% | 2.6 m/s | 5.2 |
| 2019 | 35.4°C | 30.0°C | 24.5°C | 37.9°C | 23.1°C | 35 mm | 62% | 3.9 m/s | 5.2 |
| 2018 | 33.7°C | 28.7°C | 23.6°C | 36.4°C | 22.2°C | 57 mm | 69% | 4.5 m/s | 4.9 |
| 2017 | 35.7°C | 30.1°C | 24.5°C | 39.4°C | 23.0°C | 38 mm | 60% | 4.2 m/s | 5.3 |
| 2016 | 34.2°C | 29.1°C | 24.0°C | 37.9°C | 21.2°C | 81 mm | 66% | 3.8 m/s | 5.3 |
| 2015 | 35.3°C | 29.6°C | 23.8°C | 37.6°C | 22.2°C | 15 mm | 64% | 4 m/s | 5.9 |
| 2014 | 34.7°C | 29.5°C | 24.2°C | 37.7°C | 22.8°C | 16 mm | 63% | 4.9 m/s | 5.3 |
| 2013 | 34.1°C | 28.9°C | 23.7°C | 36.6°C | 22.8°C | 15 mm | 63% | 5.1 m/s | 4.7 |
| 2012 | 34.5°C | 29.2°C | 23.9°C | 37.4°C | 22.6°C | 44 mm | 64% | 3.9 m/s | 5.6 |
| 2011 | 33.8°C | 28.5°C | 23.1°C | 37.1°C | 21.7°C | 63 mm | 65% | 4.4 m/s | 5.3 |
| 2010 | 33.3°C | 28.2°C | 23.1°C | 36.3°C | 22.1°C | 52 mm | 68% | 3.8 m/s | 5 |
| 2009 | 34.7°C | 29.3°C | 23.9°C | 38.7°C | 22.3°C | 24 mm | 62% | 4.9 m/s | 5.1 |
| 2008 | 33.8°C | 28.9°C | 24.0°C | 38.0°C | 22.5°C | 121 mm | 64% | 3.7 m/s | 5.5 |
| 2007 | 32.9°C | 28.4°C | 24.0°C | 36.1°C | 22.4°C | 71 mm | 69% | 3.7 m/s | 4.9 |
| 2006 | 35.1°C | 29.6°C | 24.1°C | 38.4°C | 23.0°C | 10 mm | 61% | 4.9 m/s | 5.5 |
| 2005 | 33.6°C | 29.0°C | 24.3°C | 36.5°C | 23.3°C | 30 mm | 66% | 4.4 m/s | 5.3 |
| 2004 | 32.3°C | 27.6°C | 22.8°C | 35.0°C | 21.1°C | 108 mm | 73% | 3.4 m/s | 5.3 |
| 2003 | 33.2°C | 28.5°C | 23.8°C | 36.5°C | 22.1°C | 68 mm | 69% | 3.3 m/s | 5.1 |
| 2002 | 36.1°C | 30.1°C | 24.1°C | 38.5°C | 22.6°C | 7 mm | 60% | 4.5 m/s | 5.9 |
| 2001 | 34.6°C | 29.3°C | 23.9°C | 38.8°C | 22.5°C | 107 mm | 63% | 4.6 m/s | 5.6 |
| 2000 | 34.7°C | 29.2°C | 23.8°C | 38.9°C | 22.8°C | 101 mm | 60% | 4.5 m/s | 5.4 |
| 1999 | 33.5°C | 28.5°C | 23.5°C | 36.1°C | 21.9°C | 21 mm | 64% | 4.4 m/s | 5.4 |
| 1998 | 33.2°C | 28.6°C | 24.0°C | 36.0°C | 22.8°C | 52 mm | 67% | 4 m/s | 5.1 |
| 1997 | 33.5°C | 28.5°C | 23.5°C | 36.3°C | 22.2°C | 34 mm | 68% | 4.3 m/s | 4.9 |
| 1996 | 32.7°C | 28.0°C | 23.2°C | 36.8°C | 22.0°C | 29 mm | 69% | 4.1 m/s | 4.6 |
| 1995 | 32.9°C | 28.0°C | 23.2°C | 36.3°C | 21.6°C | 63 mm | 69% | 3.8 m/s | 4.8 |
| 1994 | 32.9°C | 28.0°C | 23.0°C | 35.2°C | 21.6°C | 69 mm | 68% | 4.4 m/s | 4.7 |
| 1993 | 33.0°C | 28.1°C | 23.1°C | 35.0°C | 21.8°C | 72 mm | 67% | 4.6 m/s | 5 |
| 1992 | 32.2°C | 27.7°C | 23.2°C | 35.5°C | 22.2°C | 56 mm | 69% | 3.9 m/s | 5 |
| 1991 | 33.0°C | 27.9°C | 22.7°C | 34.8°C | 21.1°C | 21 mm | 68% | 4.4 m/s | 4.7 |
| 1990 | 34.3°C | 28.7°C | 23.2°C | 37.8°C | 21.1°C | 30 mm | 62% | 4.4 m/s | 5.2 |
| 1989 | 32.0°C | 27.5°C | 23.0°C | 38.2°C | 21.3°C | 92 mm | 70% | 3.6 m/s | 5.1 |
| 1988 ❄️ | 31.7°C | 27.5°C | 23.2°C | 36.5°C | 22.2°C | 106 mm | 73% | 3.3 m/s | 4.8 |
| 1987 🔥 | 35.8°C | 30.1°C | 24.5°C | 39.8°C | 23.1°C | 27 mm | 58% | 4 m/s | 5.6 |
| 1986 | 34.6°C | 29.1°C | 23.6°C | 37.6°C | 22.2°C | 23 mm | 60% | 4.3 m/s | 5.4 |
| 1985 | 33.3°C | 28.0°C | 22.8°C | 36.2°C | 21.6°C | 28 mm | 63% | 4.1 m/s | 5.2 |
| 1984 | 32.7°C | 27.7°C | 22.7°C | 35.9°C | 21.1°C | 121 mm | 67% | 4 m/s | 5.4 |
| 1983 | 34.6°C | 29.2°C | 23.7°C | 39.3°C | 22.0°C | 14 mm | 60% | 4.3 m/s | — |
| 1982 | 34.1°C | 28.8°C | 23.4°C | 38.6°C | 21.1°C | 31 mm | 62% | 4.3 m/s | — |
| 1981 | 32.9°C | 28.1°C | 23.3°C | 37.1°C | 22.0°C | 88 mm | 69% | 3.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 33.8°C with lows near 23.6°C (mean 28.7°C), based on 45 years of NASA POWER data.
July averages 55 mm of rainfall in Namakkal, about average for rainfall. The wettest on record was 133 mm in 2020.
The hottest July reached 39.8°C in 1987. The coldest dipped to 21.1°C in 1982.
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 33.5°C to 34.1°C and overnight lows from 23.2°C to 23.7°C over the same span.
July is one of the warmer months of the year in Namakkal and about average for rainfall, so plan for around 33.8°C daytime highs and 23.6°C at night.
Not quite — July is the 8th coolest month in Namakkal, averaging 28.7°C.
For July in Namakkal, pack light, breathable clothing and sun protection, with typical highs of 33.8°C and lows of 23.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 66% — moderately humid.
Average wind speed in July is 4.1 m/s. The windiest July on record averaged 5.1 m/s (2013).
The wettest July on record was 2020 with 133 mm. On average, July sees 55 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 Namakkal 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.
