August is one of the warmer months of the year in Nagapattinam, with average highs near 33.6°C and lows around 25.9°C (mean 29.8°C). It is about average for rainfall, averaging 76 mm of rainfall and 72% relative humidity across the period.
August is one of the warmer months of the year in Nagapattinam. Across 45 years of records, the warmest August in Nagapattinam was 2005 — when the month averaged 30.7°C — while the coldest was 2000 at 29°C. Typical August days reach 33.6°C with nights near 25.9°C. The long-term August temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.6°C | 29.8°C | 29.7°C | 29.9°C | 29.9°C | +0.3°C |
| Avg High | 33.5°C | 33.8°C | 33.5°C | 33.8°C | 33.5°C | 0°C |
| Avg Low | 25.7°C | 25.8°C | 25.9°C | 25.9°C | 26.3°C | +0.6°C |
| Avg Rain | 56 mm | 67 mm | 60 mm | 98 mm | 108 mm | +52 mm |
August temperatures in Nagapattinam have risen by about 0.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 24.8°C (1990) to a record high of 34.5°C (2005).
Rainfall in August is about average for rainfall, averaging 76 mm, with a wettest year of 174 mm.
A good time to visit Nagapattinam
August is a good time to visit Nagapattinam, with days averaging 33.6°C and nights around 25.9°C (mean 29.8°C, warmer than Nagapattinam's yearly average) and moderate rainfall. January and February are marginally more temperate, but August still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.4°C | 26.5°C | 30.0°C | 110 mm | 74% | 3.8 m/s | 5.3 |
| 2024 | 33.4°C | 26.7°C | 30.1°C | 104 mm | 76% | 3.9 m/s | 5.7 |
| 2023 | 34.1°C | 26.9°C | 30.5°C | 69 mm | 74% | 3.9 m/s | 6.2 |
| 2022 | 33.1°C | 25.6°C | 29.3°C | 121 mm | 77% | 4 m/s | 5.3 |
| 2021 | 33.9°C | 25.8°C | 29.8°C | 131 mm | 75% | 4.1 m/s | 5.1 |
| 2020 | 32.9°C | 26.1°C | 29.5°C | 115 mm | 77% | 4.3 m/s | 5.5 |
| 2019 | 33.9°C | 25.7°C | 29.8°C | 128 mm | 73% | 5.3 m/s | 5.2 |
| 2018 | 33.7°C | 26.3°C | 30.0°C | 74 mm | 69% | 5 m/s | 5.1 |
| 2017 | 33.0°C | 26.2°C | 29.6°C | 155 mm | 76% | 3.8 m/s | 5.5 |
| 2016 | 33.9°C | 25.6°C | 29.8°C | 87 mm | 72% | 4.3 m/s | 6.1 |
| 2015 | 34.2°C | 26.5°C | 30.3°C | 93 mm | 73% | 4.1 m/s | 6.1 |
| 2014 | 33.5°C | 26.3°C | 29.9°C | 72 mm | 71% | 4.6 m/s | 5.7 |
| 2013 | 33.9°C | 25.9°C | 29.9°C | 90 mm | 72% | 4.1 m/s | 5.6 |
| 2012 | 33.9°C | 25.8°C | 29.8°C | 56 mm | 71% | 4.7 m/s | 5.7 |
| 2011 | 34.2°C | 25.7°C | 29.9°C | 85 mm | 70% | 4.6 m/s | 5.9 |
| 2010 | 33.9°C | 25.0°C | 29.5°C | 137 mm | 74% | 4.1 m/s | 5.4 |
| 2009 | 33.6°C | 26.3°C | 29.9°C | 61 mm | 72% | 4.5 m/s | 5.8 |
| 2008 | 32.9°C | 25.7°C | 29.3°C | 84 mm | 75% | 4.3 m/s | 5.6 |
| 2007 | 33.4°C | 26.0°C | 29.7°C | 75 mm | 75% | 4.5 m/s | 6 |
| 2006 | 33.7°C | 25.1°C | 29.4°C | 64 mm | 70% | 5.1 m/s | 6 |
| 2005 🔥 | 34.5°C | 26.8°C | 30.7°C | 53 mm | 68% | 4.4 m/s | 6.2 |
| 2004 | 34.0°C | 25.8°C | 29.9°C | 33 mm | 71% | 4.9 m/s | 5.9 |
| 2003 | 33.0°C | 25.7°C | 29.3°C | 100 mm | 77% | 4.4 m/s | 5.6 |
| 2002 | 34.0°C | 26.7°C | 30.3°C | 26 mm | 66% | 5.2 m/s | 5.8 |
| 2001 | 33.5°C | 25.9°C | 29.7°C | 43 mm | 73% | 4.9 m/s | 6.1 |
| 2000 ❄️ | 32.7°C | 25.4°C | 29.0°C | 58 mm | 73% | 5.5 m/s | 5.5 |
| 1999 | 33.7°C | 25.9°C | 29.8°C | 45 mm | 73% | 4.6 m/s | 5.7 |
| 1998 🌧️ | 33.6°C | 26.0°C | 29.8°C | 174 mm | 79% | 4.1 m/s | 5.7 |
| 1997 | 33.9°C | 26.1°C | 30.0°C | 40 mm | 70% | 4.9 m/s | 5.1 |
| 1996 | 33.4°C | 25.5°C | 29.5°C | 86 mm | 75% | 4.5 m/s | 5 |
| 1995 | 33.8°C | 25.9°C | 29.9°C | 77 mm | 75% | 4.7 m/s | 5.5 |
| 1994 | 33.4°C | 26.1°C | 29.8°C | 36 mm | 71% | 5.3 m/s | 5.2 |
| 1993 | 33.5°C | 26.0°C | 29.8°C | 40 mm | 71% | 4.9 m/s | 5.4 |
| 1992 | 34.0°C | 25.6°C | 29.8°C | 32 mm | 71% | 5.3 m/s | 5.3 |
| 1991 | 34.1°C | 25.9°C | 30.0°C | 69 mm | 71% | 5.2 m/s | 5.2 |
| 1990 | 34.2°C | 24.8°C | 29.5°C | 77 mm | 70% | 4.7 m/s | 4.9 |
| 1989 | 33.5°C | 25.9°C | 29.7°C | 26 mm | 69% | 4.9 m/s | 5.5 |
| 1988 | 34.1°C | 25.9°C | 30.0°C | 91 mm | 74% | 4.4 m/s | 4.9 |
| 1987 | 33.3°C | 26.0°C | 29.6°C | 55 mm | 71% | 4.9 m/s | 5.5 |
| 1986 | 33.6°C | 25.3°C | 29.5°C | 88 mm | 71% | 5.1 m/s | 5.6 |
| 1985 | 33.5°C | 25.7°C | 29.6°C | 56 mm | 70% | 4.6 m/s | 5.4 |
| 1984 | 33.6°C | 25.1°C | 29.3°C | 36 mm | 70% | 4.6 m/s | 5.9 |
| 1983 | 33.7°C | 26.2°C | 29.9°C | 63 mm | 69% | 4.9 m/s | — |
| 1982 | 33.1°C | 25.9°C | 29.5°C | 30 mm | 69% | 5 m/s | — |
| 1981 | 33.4°C | 25.7°C | 29.5°C | 62 mm | 72% | 5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 33.6°C with lows near 25.9°C (mean 29.8°C), based on 45 years of NASA POWER data.
August averages 76 mm of rainfall in Nagapattinam, about average for rainfall. The wettest on record was 174 mm in 1998.
The hottest August reached 34.5°C in 2005. The coldest dipped to 24.8°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.3°C. Daytime highs moved from 33.5°C to 33.6°C and overnight lows from 25.7°C to 26.3°C over the same span.
August is one of the warmer months of the year in Nagapattinam and about average for rainfall, so plan for around 33.6°C daytime highs and 25.9°C at night.
Not quite — August is the 8th coolest month in Nagapattinam, averaging 29.8°C.
For August in Nagapattinam, pack light, breathable clothing and sun protection, with typical highs of 33.6°C and lows of 25.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 72% — moderately humid.
Average wind speed in August is 4.6 m/s. The windiest August on record averaged 5.5 m/s (2000).
The wettest August on record was 1998 with 174 mm. On average, August sees 76 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 August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
