August is one of the warmer months of the year in Nagapattinam, with average highs near 31.8°C and lows around 26.9°C (mean 29.4°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 30.2°C — while the coldest was 1996 at 28.6°C. Typical August days reach 31.8°C with nights near 26.9°C. The long-term August temperature trend is broadly flat.
August is about average for rainfall in Nagapattinam, averaging 76 mm of rainfall. The wettest August on record was 1998 with 174 mm, while the driest was 2002 at 26 mm.
Relative humidity in Nagapattinam during August averages 72%. The most humid August was 1998 at 79%, and the least humid was 2002 at 66%.
August receives about 5.6 kWh/m²/day of solar energy in Nagapattinam. The sunniest Augusts were 2005 and 2023 at 6.2 kWh/m²/day, and the cloudiest were 1988 and 1990 at 4.9.
Average wind speed in Nagapattinam during August is 4.6 m/s. The windiest August was 2000 at 5.5 m/s, while the calmest were 2017 and 2025 at 3.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.2°C | 29.2°C | 29.4°C | 29.5°C | 29.4°C | +0.2°C |
| Avg High | 31.8°C | 31.7°C | 31.9°C | 32.0°C | 31.6°C | -0.2°C |
| Avg Low | 26.6°C | 26.7°C | 26.9°C | 27.1°C | 27.2°C | +0.6°C |
| Avg Rain | 56 mm | 67 mm | 60 mm | 98 mm | 108 mm | +52 mm |
August temperatures in Nagapattinam have stayed relatively stable across the record.
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.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Nagapattinam
August is a good time to visit Nagapattinam, with days averaging 31.8°C and nights around 26.9°C (mean 29.4°C, warmer than Nagapattinam's yearly average) and moderate rainfall. January and February are marginally more temperate, but August still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.5°C | 29.4°C | 27.2°C | 33.4°C | 26.5°C | 110 mm | 74% | 3.8 m/s | 5.3 |
| 2024 | 31.7°C | 29.6°C | 27.5°C | 33.4°C | 26.7°C | 104 mm | 76% | 3.9 m/s | 5.7 |
| 2023 | 32.4°C | 30.1°C | 27.8°C | 34.1°C | 26.9°C | 69 mm | 74% | 3.9 m/s | 6.2 |
| 2022 | 30.8°C | 28.7°C | 26.6°C | 33.1°C | 25.6°C | 121 mm | 77% | 4 m/s | 5.3 |
| 2021 | 31.5°C | 29.2°C | 26.9°C | 33.9°C | 25.8°C | 131 mm | 75% | 4.1 m/s | 5.1 |
| 2020 | 31.6°C | 29.3°C | 27.1°C | 32.9°C | 26.1°C | 115 mm | 77% | 4.3 m/s | 5.5 |
| 2019 | 32.0°C | 29.6°C | 27.2°C | 33.9°C | 25.7°C | 128 mm | 73% | 5.3 m/s | 5.2 |
| 2018 | 32.6°C | 29.9°C | 27.2°C | 33.7°C | 26.3°C | 74 mm | 69% | 5 m/s | 5.1 |
| 2017 | 31.5°C | 29.3°C | 27.2°C | 33.0°C | 26.2°C | 155 mm | 76% | 3.8 m/s | 5.5 |
| 2016 | 32.3°C | 29.7°C | 27.1°C | 33.9°C | 25.6°C | 87 mm | 72% | 4.3 m/s | 6.1 |
| 2015 | 32.2°C | 29.8°C | 27.5°C | 34.2°C | 26.5°C | 93 mm | 73% | 4.1 m/s | 6.1 |
| 2014 | 31.7°C | 29.4°C | 27.1°C | 33.5°C | 26.3°C | 72 mm | 71% | 4.6 m/s | 5.7 |
| 2013 | 31.7°C | 29.3°C | 26.9°C | 33.9°C | 25.9°C | 90 mm | 72% | 4.1 m/s | 5.6 |
| 2012 | 31.9°C | 29.5°C | 27.1°C | 33.9°C | 25.8°C | 56 mm | 71% | 4.7 m/s | 5.7 |
| 2011 | 32.1°C | 29.6°C | 27.1°C | 34.2°C | 25.7°C | 85 mm | 70% | 4.6 m/s | 5.9 |
| 2010 | 31.5°C | 29.2°C | 27.0°C | 33.9°C | 25.0°C | 137 mm | 74% | 4.1 m/s | 5.4 |
| 2009 | 31.9°C | 29.6°C | 27.3°C | 33.6°C | 26.3°C | 61 mm | 72% | 4.5 m/s | 5.8 |
| 2008 | 31.1°C | 28.9°C | 26.7°C | 32.9°C | 25.7°C | 84 mm | 75% | 4.3 m/s | 5.6 |
| 2007 | 31.2°C | 28.9°C | 26.6°C | 33.4°C | 26.0°C | 75 mm | 75% | 4.5 m/s | 6 |
| 2006 | 32.2°C | 29.7°C | 27.1°C | 33.7°C | 25.1°C | 64 mm | 70% | 5.1 m/s | 6 |
| 2005 🔥 | 32.8°C | 30.2°C | 27.7°C | 34.5°C | 26.8°C | 53 mm | 68% | 4.4 m/s | 6.2 |
| 2004 | 32.2°C | 29.5°C | 26.7°C | 34.0°C | 25.8°C | 33 mm | 71% | 4.9 m/s | 5.9 |
| 2003 | 31.2°C | 28.9°C | 26.7°C | 33.0°C | 25.7°C | 100 mm | 77% | 4.4 m/s | 5.6 |
| 2002 | 32.8°C | 30.1°C | 27.4°C | 34.0°C | 26.7°C | 26 mm | 66% | 5.2 m/s | 5.8 |
| 2001 | 32.2°C | 29.5°C | 26.8°C | 33.5°C | 25.9°C | 43 mm | 73% | 4.9 m/s | 6.1 |
| 2000 | 31.5°C | 28.9°C | 26.3°C | 32.7°C | 25.4°C | 58 mm | 73% | 5.5 m/s | 5.5 |
| 1999 | 31.4°C | 29.1°C | 26.8°C | 33.7°C | 25.9°C | 45 mm | 73% | 4.6 m/s | 5.7 |
| 1998 🌧️ | 30.8°C | 28.9°C | 27.0°C | 33.6°C | 26.0°C | 174 mm | 79% | 4.1 m/s | 5.7 |
| 1997 | 32.4°C | 29.7°C | 27.1°C | 33.9°C | 26.1°C | 40 mm | 70% | 4.9 m/s | 5.1 |
| 1996 ❄️ | 30.9°C | 28.6°C | 26.3°C | 33.4°C | 25.5°C | 86 mm | 75% | 4.5 m/s | 5 |
| 1995 | 31.6°C | 29.2°C | 26.8°C | 33.8°C | 25.9°C | 77 mm | 75% | 4.7 m/s | 5.5 |
| 1994 | 31.8°C | 29.3°C | 26.8°C | 33.4°C | 26.1°C | 36 mm | 71% | 5.3 m/s | 5.2 |
| 1993 | 32.0°C | 29.4°C | 26.8°C | 33.5°C | 26.0°C | 40 mm | 71% | 4.9 m/s | 5.4 |
| 1992 | 31.7°C | 29.1°C | 26.5°C | 34.0°C | 25.6°C | 32 mm | 71% | 5.3 m/s | 5.3 |
| 1991 | 32.1°C | 29.3°C | 26.6°C | 34.1°C | 25.9°C | 69 mm | 71% | 5.2 m/s | 5.2 |
| 1990 | 31.8°C | 29.1°C | 26.4°C | 34.2°C | 24.8°C | 77 mm | 70% | 4.7 m/s | 4.9 |
| 1989 | 32.4°C | 29.5°C | 26.7°C | 33.5°C | 25.9°C | 26 mm | 69% | 4.9 m/s | 5.5 |
| 1988 | 31.1°C | 28.9°C | 26.8°C | 34.1°C | 25.9°C | 91 mm | 74% | 4.4 m/s | 4.9 |
| 1987 | 31.7°C | 29.3°C | 26.9°C | 33.3°C | 26.0°C | 55 mm | 71% | 4.9 m/s | 5.5 |
| 1986 | 31.7°C | 29.0°C | 26.3°C | 33.6°C | 25.3°C | 88 mm | 71% | 5.1 m/s | 5.6 |
| 1985 | 31.7°C | 29.1°C | 26.5°C | 33.5°C | 25.7°C | 56 mm | 70% | 4.6 m/s | 5.4 |
| 1984 | 32.0°C | 29.1°C | 26.2°C | 33.6°C | 25.1°C | 36 mm | 70% | 4.6 m/s | 5.9 |
| 1983 | 32.1°C | 29.6°C | 27.2°C | 33.7°C | 26.2°C | 63 mm | 69% | 4.9 m/s | — |
| 1982 | 31.8°C | 29.2°C | 26.6°C | 33.1°C | 25.9°C | 30 mm | 69% | 5 m/s | — |
| 1981 | 31.7°C | 29.0°C | 26.4°C | 33.4°C | 25.7°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 31.8°C with lows near 26.9°C (mean 29.4°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 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 26.6°C to 27.2°C while daytime highs eased from 31.9°C to 31.6°C, narrowing the gap between day and night.
August is one of the warmer months of the year in Nagapattinam and about average for rainfall, so plan for around 31.8°C daytime highs and 26.9°C at night.
Not quite — August is the 8th coolest month in Nagapattinam, averaging 29.4°C.
For August in Nagapattinam, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 26.9°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.
