July is one of the warmer months of the year in Nagapattinam, with average highs near 32.1°C and lows around 27.1°C (mean 29.6°C). It is one of the drier months, averaging 61 mm of rainfall and 70% relative humidity across the period.
July is one of the warmer months of the year in Nagapattinam. Across 45 years of records, the warmest July in Nagapattinam was 2002 — when the month averaged 30.7°C — while the coldest were 1984 and 1989 at 28.5°C. Typical July days reach 32.1°C with nights near 27.1°C. The long-term trend is warming, about 0.2°C per decade.
July is one of the drier months in Nagapattinam, averaging 61 mm of rainfall. The wettest July on record was 1984 with 141 mm, while the driest was 2002 at 19 mm.
Relative humidity in Nagapattinam during July averages 70%. The most humid July was 2004 at 76%, and the least humid was 1983 at 65%.
July receives about 5.4 kWh/m²/day of solar energy in Nagapattinam. The sunniest July was 2015 at 6.1 kWh/m²/day, and the cloudiest was 1988 at 4.8.
Average wind speed in Nagapattinam during July is 5 m/s. The windiest July was 1991 at 6 m/s, while the calmest was 2020 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.3°C | 29.3°C | 29.8°C | 30.1°C | 29.9°C | +0.6°C |
| Avg High | 31.7°C | 31.8°C | 32.3°C | 32.6°C | 32.3°C | +0.6°C |
| Avg Low | 26.8°C | 26.8°C | 27.3°C | 27.5°C | 27.4°C | +0.6°C |
| Avg Rain | 66 mm | 45 mm | 53 mm | 62 mm | 92 mm | +26 mm |
July temperatures in Nagapattinam have risen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 24.9°C (1985) to a record high of 34.8°C (1983).
Rainfall in July is one of the drier months, averaging 61 mm, with a wettest year of 141 mm.
A good time to visit Nagapattinam
July is a good time to visit Nagapattinam, with days averaging 32.1°C and nights around 27.1°C (mean 29.6°C, warmer than Nagapattinam'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 | 33.0°C | 30.4°C | 27.8°C | 34.4°C | 25.6°C | 45 mm | 67% | 4.5 m/s | 5.5 |
| 2024 | 33.0°C | 30.2°C | 27.4°C | 34.6°C | 26.3°C | 53 mm | 70% | 5.5 m/s | 5.2 |
| 2023 | 32.7°C | 30.0°C | 27.4°C | 34.2°C | 26.5°C | 122 mm | 72% | 4.9 m/s | 5.2 |
| 2022 | 31.8°C | 29.4°C | 27.0°C | 33.4°C | 26.3°C | 102 mm | 73% | 4.4 m/s | 5.2 |
| 2021 | 32.1°C | 29.7°C | 27.3°C | 33.4°C | 26.2°C | 90 mm | 74% | 4.7 m/s | 5.3 |
| 2020 | 31.3°C | 29.4°C | 27.4°C | 33.2°C | 26.2°C | 138 mm | 75% | 4.1 m/s | 5.1 |
| 2019 | 32.7°C | 30.3°C | 28.0°C | 33.9°C | 26.7°C | 91 mm | 70% | 4.8 m/s | 5.4 |
| 2018 | 32.6°C | 30.1°C | 27.5°C | 34.0°C | 26.7°C | 58 mm | 70% | 5.3 m/s | 5.4 |
| 2017 | 33.1°C | 30.6°C | 28.1°C | 34.4°C | 26.8°C | 83 mm | 67% | 4.4 m/s | 5.6 |
| 2016 | 31.9°C | 29.5°C | 27.2°C | 34.1°C | 25.9°C | 82 mm | 73% | 4.3 m/s | 5.6 |
| 2015 | 32.8°C | 30.1°C | 27.5°C | 33.9°C | 26.3°C | 51 mm | 70% | 4.9 m/s | 6.1 |
| 2014 | 33.4°C | 30.6°C | 27.7°C | 34.5°C | 26.3°C | 32 mm | 66% | 5.3 m/s | 5.7 |
| 2013 | 32.6°C | 30.0°C | 27.3°C | 33.8°C | 26.1°C | 65 mm | 66% | 5.2 m/s | 5.2 |
| 2012 | 32.4°C | 30.0°C | 27.6°C | 33.7°C | 26.9°C | 41 mm | 69% | 4.6 m/s | 5.9 |
| 2011 | 32.7°C | 29.9°C | 27.2°C | 33.9°C | 25.3°C | 55 mm | 67% | 5.1 m/s | 5.6 |
| 2010 | 32.0°C | 29.4°C | 26.8°C | 33.8°C | 25.9°C | 66 mm | 71% | 4.7 m/s | 5.5 |
| 2009 | 32.8°C | 30.1°C | 27.4°C | 34.2°C | 26.5°C | 35 mm | 67% | 5.6 m/s | 5.7 |
| 2008 | 32.0°C | 29.7°C | 27.3°C | 33.5°C | 26.1°C | 60 mm | 71% | 4.8 m/s | 5.9 |
| 2007 | 32.1°C | 29.7°C | 27.4°C | 34.4°C | 26.5°C | 68 mm | 71% | 4.7 m/s | 5.4 |
| 2006 | 33.0°C | 30.3°C | 27.5°C | 34.6°C | 26.7°C | 31 mm | 66% | 5.3 m/s | 5.6 |
| 2005 | 32.3°C | 30.0°C | 27.6°C | 34.0°C | 26.6°C | 50 mm | 71% | 5.4 m/s | 5.7 |
| 2004 | 31.0°C | 28.6°C | 26.3°C | 33.2°C | 25.1°C | 68 mm | 76% | 4.6 m/s | 5.6 |
| 2003 | 31.6°C | 29.4°C | 27.2°C | 33.6°C | 26.7°C | 65 mm | 73% | 4.5 m/s | 5.3 |
| 2002 🔥 | 33.6°C | 30.7°C | 27.9°C | 34.7°C | 27.4°C | 19 mm | 67% | 4.8 m/s | 5.9 |
| 2001 | 32.3°C | 29.8°C | 27.3°C | 33.8°C | 25.9°C | 65 mm | 69% | 5 m/s | 5.6 |
| 2000 | 32.5°C | 29.8°C | 27.1°C | 34.2°C | 25.9°C | 68 mm | 67% | 5 m/s | 6 |
| 1999 | 31.9°C | 29.4°C | 26.9°C | 33.4°C | 25.7°C | 25 mm | 70% | 5.5 m/s | 5.7 |
| 1998 | 32.2°C | 29.8°C | 27.4°C | 34.1°C | 26.4°C | 74 mm | 71% | 4.8 m/s | 5.5 |
| 1997 | 32.3°C | 29.7°C | 27.1°C | 34.4°C | 26.3°C | 44 mm | 71% | 5.6 m/s | 5.1 |
| 1996 | 31.1°C | 28.8°C | 26.4°C | 32.8°C | 25.5°C | 54 mm | 75% | 5.4 m/s | 4.9 |
| 1995 | 31.1°C | 28.8°C | 26.5°C | 32.6°C | 25.0°C | 51 mm | 74% | 4.8 m/s | 4.9 |
| 1994 | 31.8°C | 29.3°C | 26.7°C | 33.3°C | 26.1°C | 40 mm | 70% | 5.7 m/s | 5 |
| 1993 | 31.8°C | 29.2°C | 26.6°C | 33.4°C | 25.7°C | 50 mm | 71% | 5.7 m/s | 5.1 |
| 1992 | 31.3°C | 29.0°C | 26.7°C | 33.0°C | 25.8°C | 45 mm | 72% | 5.2 m/s | 5.1 |
| 1991 | 32.2°C | 29.4°C | 26.6°C | 33.6°C | 25.8°C | 29 mm | 69% | 6 m/s | 4.9 |
| 1990 | 32.0°C | 29.4°C | 26.8°C | 34.0°C | 25.6°C | 39 mm | 68% | 5.1 m/s | 5.3 |
| 1989 | 30.7°C | 28.5°C | 26.4°C | 32.5°C | 25.1°C | 98 mm | 74% | 4.8 m/s | 5.2 |
| 1988 | 31.4°C | 29.1°C | 26.9°C | 34.0°C | 26.2°C | 65 mm | 73% | 4.9 m/s | 4.8 |
| 1987 | 32.7°C | 30.2°C | 27.7°C | 34.2°C | 26.7°C | 20 mm | 67% | 4.7 m/s | 5.7 |
| 1986 | 32.3°C | 29.7°C | 27.1°C | 34.4°C | 26.1°C | 35 mm | 66% | 4.7 m/s | 5.4 |
| 1985 | 31.3°C | 28.8°C | 26.3°C | 32.9°C | 24.9°C | 47 mm | 67% | 4.6 m/s | 5.5 |
| 1984 ❄️ 🌧️ | 31.1°C | 28.5°C | 26.0°C | 33.7°C | 25.1°C | 141 mm | 71% | 4.9 m/s | 5.5 |
| 1983 | 32.7°C | 30.1°C | 27.5°C | 34.8°C | 26.5°C | 49 mm | 65% | 4.8 m/s | — |
| 1982 | 31.7°C | 29.3°C | 26.8°C | 33.6°C | 25.5°C | 43 mm | 68% | 5.1 m/s | — |
| 1981 | 31.5°C | 29.2°C | 26.8°C | 32.9°C | 25.8°C | 96 mm | 72% | 4.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 32.1°C with lows near 27.1°C (mean 29.6°C), based on 45 years of NASA POWER data.
July averages 61 mm of rainfall in Nagapattinam, one of the drier months. The wettest on record was 141 mm in 1984.
The hottest July reached 34.8°C in 1983. The coldest dipped to 24.9°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.7°C. Daytime highs moved from 31.7°C to 32.5°C and overnight lows from 26.7°C to 27.4°C over the same span.
July is one of the warmer months of the year in Nagapattinam and one of the drier months, so plan for around 32.1°C daytime highs and 27.1°C at night.
Not quite — July is the 9th coolest month in Nagapattinam, averaging 29.6°C.
For July in Nagapattinam, pack light, breathable clothing and sun protection, with typical highs of 32.1°C and lows of 27.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 70% — moderately humid.
Average wind speed in July is 5 m/s. The windiest July on record averaged 6 m/s (1991).
The wettest July on record was 1984 with 141 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 Nagapattinam 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.
