May is one of the warmer months of the year in Nagapattinam, with average highs near 32.8°C and lows around 28.4°C (mean 30.6°C). It is one of the drier months, averaging 74 mm of rainfall and 73% relative humidity across the period.
May is one of the warmer months of the year in Nagapattinam. Across 45 years of records, the warmest May in Nagapattinam was 2020 — when the month averaged 31.5°C — while the coldest was 2004 at 29°C. Typical May days reach 32.8°C with nights near 28.4°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Nagapattinam, averaging 74 mm of rainfall. The wettest May on record was 2016 with 283 mm, while the driest was 1991 at 10 mm.
Relative humidity in Nagapattinam during May averages 73%. The most humid May was 2004 at 81%, and the least humid was 1985 at 68%.
May receives about 5.8 kWh/m²/day of solar energy in Nagapattinam. The sunniest May was 2001 at 6.6 kWh/m²/day, and the cloudiest were 1990 and 2024 at 5.2.
Average wind speed in Nagapattinam during May is 4.5 m/s. The windiest May was 1990 at 5.4 m/s, while the calmest was 2024 at 3.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.7°C | 30.5°C | 30.4°C | 30.7°C | 30.6°C | -0.1°C |
| Avg High | 33.0°C | 32.8°C | 32.7°C | 32.8°C | 32.7°C | -0.3°C |
| Avg Low | 28.4°C | 28.2°C | 28.2°C | 28.6°C | 28.6°C | +0.2°C |
| Avg Rain | 38 mm | 64 mm | 74 mm | 92 mm | 112 mm | +74 mm |
May temperatures in Nagapattinam have stayed relatively stable across the record.
May has ranged from a record low of 25.1°C (2015) to a record high of 36.2°C (1986).
Rainfall in May is one of the drier months, averaging 74 mm, with a wettest year of 283 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Nagapattinam
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Nagapattinam. That said, May — with days averaging 32.8°C and nights around 28.4°C (mean 30.6°C) and moderate rainfall (74 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.7°C | 30.6°C | 28.6°C | 34.0°C | 27.3°C | 118 mm | 74% | 4.2 m/s | 5.5 |
| 2024 | 32.6°C | 30.8°C | 29.0°C | 35.7°C | 27.3°C | 147 mm | 76% | 3.6 m/s | 5.2 |
| 2023 | 32.1°C | 30.1°C | 28.1°C | 34.3°C | 26.8°C | 141 mm | 78% | 4.1 m/s | 5.7 |
| 2022 | 32.8°C | 30.4°C | 28.1°C | 34.8°C | 27.0°C | 105 mm | 75% | 4.5 m/s | 5.7 |
| 2021 | 32.5°C | 30.4°C | 28.3°C | 34.4°C | 26.6°C | 108 mm | 74% | 4.3 m/s | 5.9 |
| 2020 🔥 | 33.6°C | 31.5°C | 29.3°C | 35.4°C | 28.6°C | 52 mm | 71% | 4 m/s | 5.9 |
| 2019 | 33.5°C | 31.3°C | 29.1°C | 35.6°C | 27.9°C | 28 mm | 74% | 4.7 m/s | 6.2 |
| 2018 | 32.0°C | 30.3°C | 28.5°C | 33.8°C | 27.3°C | 96 mm | 76% | 3.9 m/s | 5.6 |
| 2017 | 33.0°C | 30.9°C | 28.9°C | 35.4°C | 28.3°C | 57 mm | 73% | 4.1 m/s | 5.8 |
| 2016 🌧️ | 32.5°C | 30.6°C | 28.6°C | 34.9°C | 27.1°C | 283 mm | 76% | 4.2 m/s | 5.7 |
| 2015 | 31.8°C | 29.9°C | 28.0°C | 33.4°C | 25.1°C | 142 mm | 76% | 4.2 m/s | 5.4 |
| 2014 | 32.3°C | 30.3°C | 28.3°C | 34.5°C | 27.4°C | 115 mm | 76% | 4.5 m/s | 5.8 |
| 2013 | 33.3°C | 31.0°C | 28.8°C | 35.4°C | 26.5°C | 55 mm | 71% | 4.7 m/s | 5.9 |
| 2012 | 32.7°C | 30.5°C | 28.3°C | 34.6°C | 27.3°C | 36 mm | 74% | 4.9 m/s | 6 |
| 2011 | 33.1°C | 30.7°C | 28.3°C | 34.2°C | 27.6°C | 35 mm | 73% | 4.6 m/s | 6.5 |
| 2010 | 33.5°C | 31.2°C | 28.9°C | 35.2°C | 27.4°C | 74 mm | 73% | 4.6 m/s | 6 |
| 2009 | 32.8°C | 30.5°C | 28.3°C | 35.1°C | 27.1°C | 65 mm | 74% | 4.4 m/s | 5.9 |
| 2008 | 32.7°C | 30.3°C | 27.9°C | 35.1°C | 27.4°C | 32 mm | 74% | 5.2 m/s | 6.5 |
| 2007 | 33.1°C | 30.7°C | 28.4°C | 35.7°C | 27.5°C | 40 mm | 73% | 4.6 m/s | 6.3 |
| 2006 | 32.2°C | 30.1°C | 27.9°C | 34.6°C | 26.7°C | 68 mm | 75% | 4.9 m/s | 6 |
| 2005 | 32.6°C | 30.5°C | 28.4°C | 34.3°C | 27.5°C | 69 mm | 76% | 4.3 m/s | 6.2 |
| 2004 ❄️ | 30.8°C | 29.0°C | 27.2°C | 33.2°C | 26.4°C | 233 mm | 81% | 4.5 m/s | 5.5 |
| 2003 | 33.0°C | 30.6°C | 28.3°C | 34.7°C | 26.9°C | 88 mm | 74% | 4.9 m/s | 5.7 |
| 2002 | 33.0°C | 30.6°C | 28.2°C | 35.3°C | 27.3°C | 66 mm | 74% | 5 m/s | 6 |
| 2001 | 33.6°C | 31.1°C | 28.5°C | 35.0°C | 27.6°C | 38 mm | 71% | 4.8 m/s | 6.6 |
| 2000 | 32.9°C | 30.8°C | 28.6°C | 35.6°C | 26.8°C | 40 mm | 70% | 4.3 m/s | 6.4 |
| 1999 | 31.6°C | 29.4°C | 27.2°C | 33.8°C | 26.4°C | 61 mm | 76% | 5 m/s | 6.1 |
| 1998 | 33.4°C | 31.3°C | 29.1°C | 36.0°C | 26.4°C | 86 mm | 73% | 4.5 m/s | 5.3 |
| 1997 | 32.7°C | 30.5°C | 28.3°C | 35.0°C | 27.2°C | 53 mm | 71% | 4.4 m/s | 5.5 |
| 1996 | 33.7°C | 31.1°C | 28.4°C | 35.1°C | 27.6°C | 26 mm | 72% | 5.3 m/s | 5.9 |
| 1995 | 31.8°C | 29.6°C | 27.4°C | 33.6°C | 26.4°C | 143 mm | 76% | 4.3 m/s | 5.4 |
| 1994 | 32.8°C | 30.5°C | 28.3°C | 35.3°C | 27.1°C | 48 mm | 74% | 5 m/s | 6 |
| 1993 | 33.3°C | 30.9°C | 28.4°C | 34.9°C | 27.5°C | 38 mm | 71% | 4.6 m/s | 5.9 |
| 1992 | 33.1°C | 30.6°C | 28.2°C | 35.3°C | 27.3°C | 51 mm | 72% | 4.5 m/s | 5.7 |
| 1991 | 33.1°C | 30.9°C | 28.7°C | 34.8°C | 28.3°C | 10 mm | 73% | 4.5 m/s | 5.9 |
| 1990 | 32.7°C | 30.4°C | 28.2°C | 34.7°C | 27.0°C | 129 mm | 71% | 5.4 m/s | 5.2 |
| 1989 | 33.3°C | 30.8°C | 28.3°C | 35.4°C | 27.4°C | 25 mm | 69% | 4.9 m/s | 5.7 |
| 1988 | 33.4°C | 30.9°C | 28.5°C | 35.2°C | 27.5°C | 41 mm | 72% | 4.7 m/s | 5.5 |
| 1987 | 32.9°C | 30.6°C | 28.4°C | 34.7°C | 26.8°C | 18 mm | 70% | 3.9 m/s | 5.7 |
| 1986 | 33.4°C | 30.9°C | 28.4°C | 36.2°C | 27.4°C | 24 mm | 69% | 5.1 m/s | 5.7 |
| 1985 | 33.4°C | 30.9°C | 28.4°C | 35.7°C | 27.3°C | 23 mm | 68% | 4.7 m/s | 5.7 |
| 1984 | 32.7°C | 30.4°C | 28.1°C | 34.7°C | 26.6°C | 16 mm | 73% | 4.7 m/s | 6 |
| 1983 | 33.2°C | 31.1°C | 28.9°C | 34.8°C | 27.7°C | 39 mm | 71% | 4.5 m/s | — |
| 1982 | 32.6°C | 30.4°C | 28.3°C | 34.5°C | 27.6°C | 65 mm | 71% | 4.1 m/s | — |
| 1981 | 32.3°C | 30.2°C | 28.0°C | 35.0°C | 26.9°C | 91 mm | 73% | 4.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 32.8°C with lows near 28.4°C (mean 30.6°C), based on 45 years of NASA POWER data.
May averages 74 mm of rainfall in Nagapattinam, one of the drier months. The wettest on record was 283 mm in 2016.
The hottest May reached 36.2°C in 1986. The coldest dipped to 25.1°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 28.3°C to 28.4°C while daytime highs eased from 32.8°C to 32.5°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Nagapattinam and one of the drier months, so plan for around 32.8°C daytime highs and 28.4°C at night.
Not quite — May is the 12th coolest month in Nagapattinam, averaging 30.6°C.
For May in Nagapattinam, pack light, breathable clothing and sun protection, with typical highs of 32.8°C and lows of 28.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 73% — moderately humid.
Average wind speed in May is 4.5 m/s. The windiest May on record averaged 5.4 m/s (1990).
The wettest May on record was 2016 with 283 mm. On average, May sees 74 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 May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
