May is one of the warmer months of the year in Sivaganga, with average highs near 35.8°C and lows around 26.4°C (mean 31.1°C). It is about average for rainfall, averaging 76 mm of rainfall and 65% relative humidity across the period.
May is one of the warmer months of the year in Sivaganga. Across 45 years of records, the warmest May in Sivaganga was 2019 — when the month averaged 33.8°C — while the coldest was 2004 at 28.6°C. Typical May days reach 35.8°C with nights near 26.4°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Sivaganga, averaging 76 mm of rainfall. The wettest May on record was 2004 with 247 mm, while the driest was 2019 at 11 mm.
Relative humidity in Sivaganga during May averages 65%. The most humid May was 2004 at 79%, and the least humid was 2019 at 56%.
May receives about 5.9 kWh/m²/day of solar energy in Sivaganga. The sunniest May was 2011 at 6.6 kWh/m²/day, and the cloudiest was 2024 at 5.2.
Average wind speed in Sivaganga during May is 2.9 m/s. The windiest May was 1990 at 3.5 m/s, while the calmest was 2023 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.3°C | 31.2°C | 30.8°C | 31.3°C | 30.9°C | -0.4°C |
| Avg High | 36.3°C | 36.1°C | 35.4°C | 35.9°C | 35.3°C | -1°C |
| Avg Low | 26.3°C | 26.3°C | 26.2°C | 26.7°C | 26.6°C | +0.3°C |
| Avg Rain | 54 mm | 67 mm | 92 mm | 80 mm | 92 mm | +38 mm |
May temperatures in Sivaganga have stayed relatively stable across the record.
May has ranged from a record low of 23.6°C (1994) to a record high of 41.5°C (1983).
Rainfall in May is about average for rainfall, averaging 76 mm, with a wettest year of 247 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Sivaganga
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Sivaganga. That said, May — with days averaging 35.8°C and nights around 26.4°C (mean 31.1°C) and moderate rainfall (76 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 | 35.2°C | 31.0°C | 26.7°C | 37.4°C | 25.4°C | 99 mm | 68% | 2.9 m/s | 5.6 |
| 2024 | 35.3°C | 31.3°C | 27.3°C | 41.4°C | 25.2°C | 154 mm | 70% | 2.5 m/s | 5.2 |
| 2023 | 33.5°C | 29.7°C | 25.8°C | 37.2°C | 24.4°C | 136 mm | 76% | 2.4 m/s | 5.8 |
| 2022 | 35.9°C | 30.9°C | 26.0°C | 38.7°C | 23.9°C | 54 mm | 66% | 2.9 m/s | 5.8 |
| 2021 | 34.9°C | 30.4°C | 26.0°C | 39.1°C | 24.0°C | 54 mm | 69% | 3 m/s | 5.8 |
| 2020 | 36.8°C | 32.2°C | 27.5°C | 40.3°C | 26.4°C | 54 mm | 62% | 2.7 m/s | 5.7 |
| 2019 🔥 | 39.0°C | 33.8°C | 28.6°C | 41.3°C | 26.8°C | 11 mm | 56% | 3.1 m/s | 6.1 |
| 2018 | 34.1°C | 30.2°C | 26.3°C | 37.6°C | 25.0°C | 97 mm | 70% | 2.6 m/s | 5.5 |
| 2017 | 36.5°C | 31.8°C | 27.1°C | 40.2°C | 25.9°C | 43 mm | 63% | 2.8 m/s | 5.7 |
| 2016 | 36.4°C | 31.6°C | 26.9°C | 41.1°C | 24.0°C | 115 mm | 65% | 2.9 m/s | 5.8 |
| 2015 | 33.0°C | 29.2°C | 25.4°C | 36.3°C | 23.8°C | 178 mm | 77% | 2.5 m/s | 5.6 |
| 2014 | 34.2°C | 30.1°C | 25.9°C | 37.3°C | 25.1°C | 152 mm | 73% | 2.8 m/s | 5.7 |
| 2013 | 37.0°C | 32.3°C | 27.5°C | 40.8°C | 25.8°C | 33 mm | 57% | 3 m/s | 5.9 |
| 2012 | 35.0°C | 30.6°C | 26.2°C | 39.3°C | 24.8°C | 54 mm | 67% | 2.6 m/s | 6.1 |
| 2011 | 36.7°C | 31.5°C | 26.3°C | 39.3°C | 24.7°C | 53 mm | 62% | 2.8 m/s | 6.6 |
| 2010 | 36.7°C | 31.9°C | 27.0°C | 39.5°C | 25.9°C | 67 mm | 65% | 2.9 m/s | 6.1 |
| 2009 | 37.0°C | 32.1°C | 27.2°C | 41.1°C | 25.0°C | 25 mm | 59% | 2.7 m/s | 6.1 |
| 2008 | 35.5°C | 30.6°C | 25.7°C | 39.4°C | 24.6°C | 50 mm | 65% | 3 m/s | 6.5 |
| 2007 | 36.8°C | 31.7°C | 26.7°C | 40.8°C | 25.0°C | 39 mm | 61% | 2.9 m/s | 6.4 |
| 2006 | 35.2°C | 30.7°C | 26.3°C | 40.9°C | 24.7°C | 97 mm | 67% | 3.3 m/s | 6.1 |
| 2005 | 35.0°C | 30.5°C | 25.9°C | 38.8°C | 24.5°C | 61 mm | 71% | 2.6 m/s | 6.2 |
| 2004 ❄️ 🌧️ | 32.3°C | 28.6°C | 24.9°C | 35.8°C | 23.7°C | 247 mm | 79% | 2.8 m/s | 5.4 |
| 2003 | 35.5°C | 30.8°C | 26.1°C | 39.7°C | 24.7°C | 135 mm | 69% | 2.7 m/s | 5.8 |
| 2002 | 35.0°C | 30.5°C | 26.1°C | 39.6°C | 24.4°C | 106 mm | 70% | 3.1 m/s | 6.1 |
| 2001 | 35.2°C | 30.4°C | 25.6°C | 38.0°C | 24.1°C | 64 mm | 69% | 2.9 m/s | 6.5 |
| 2000 | 36.8°C | 31.9°C | 27.0°C | 40.9°C | 24.1°C | 99 mm | 58% | 2.6 m/s | 6.3 |
| 1999 | 33.5°C | 29.2°C | 25.0°C | 39.1°C | 23.7°C | 109 mm | 73% | 3.2 m/s | 6 |
| 1998 | 37.3°C | 32.4°C | 27.5°C | 40.1°C | 25.1°C | 64 mm | 62% | 2.8 m/s | 5.5 |
| 1997 | 36.0°C | 31.1°C | 26.1°C | 40.0°C | 23.9°C | 63 mm | 62% | 2.7 m/s | 5.6 |
| 1996 | 36.9°C | 31.5°C | 26.1°C | 39.4°C | 24.7°C | 13 mm | 64% | 2.9 m/s | 6.1 |
| 1995 | 35.0°C | 30.3°C | 25.5°C | 38.8°C | 23.7°C | 87 mm | 67% | 2.8 m/s | 5.6 |
| 1994 | 35.2°C | 30.6°C | 26.0°C | 38.2°C | 23.6°C | 131 mm | 69% | 2.9 m/s | 6.1 |
| 1993 | 36.9°C | 31.8°C | 26.7°C | 40.6°C | 25.1°C | 40 mm | 61% | 3 m/s | 6 |
| 1992 | 37.0°C | 31.7°C | 26.5°C | 40.6°C | 24.2°C | 52 mm | 61% | 3 m/s | 5.9 |
| 1991 | 37.5°C | 32.6°C | 27.7°C | 41.1°C | 26.3°C | 14 mm | 59% | 3.3 m/s | 5.9 |
| 1990 | 35.6°C | 30.9°C | 26.2°C | 39.2°C | 24.6°C | 94 mm | 64% | 3.5 m/s | 5.4 |
| 1989 | 37.3°C | 32.0°C | 26.7°C | 41.4°C | 24.5°C | 30 mm | 57% | 3.1 m/s | 5.8 |
| 1988 | 36.5°C | 31.6°C | 26.6°C | 38.8°C | 25.4°C | 48 mm | 63% | 2.8 m/s | 5.7 |
| 1987 | 36.8°C | 31.6°C | 26.5°C | 39.1°C | 25.0°C | 30 mm | 60% | 2.8 m/s | 5.9 |
| 1986 | 37.5°C | 32.1°C | 26.7°C | 41.4°C | 25.0°C | 31 mm | 57% | 3.3 m/s | 6.2 |
| 1985 | 37.0°C | 31.7°C | 26.4°C | 39.9°C | 25.3°C | 36 mm | 59% | 3.2 m/s | 5.9 |
| 1984 | 36.0°C | 30.8°C | 25.6°C | 38.6°C | 24.4°C | 18 mm | 66% | 2.8 m/s | 6.2 |
| 1983 | 36.8°C | 32.0°C | 27.1°C | 41.5°C | 25.2°C | 67 mm | 60% | 3 m/s | — |
| 1982 | 35.0°C | 30.3°C | 25.7°C | 38.7°C | 23.9°C | 112 mm | 68% | 2.8 m/s | — |
| 1981 | 34.2°C | 29.9°C | 25.6°C | 38.6°C | 24.4°C | 118 mm | 70% | 2.7 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 35.8°C with lows near 26.4°C (mean 31.1°C), based on 45 years of NASA POWER data.
May averages 76 mm of rainfall in Sivaganga, about average for rainfall. The wettest on record was 247 mm in 2004.
The hottest May reached 41.5°C in 1983. The coldest dipped to 23.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 26.1°C to 26.4°C while daytime highs eased from 35.8°C to 35°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Sivaganga and about average for rainfall, so plan for around 35.8°C daytime highs and 26.4°C at night.
Not quite — May is the 11th coolest month in Sivaganga, averaging 31.1°C.
For May in Sivaganga, pack light, breathable clothing and sun protection, with typical highs of 35.8°C and lows of 26.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 65% — moderately humid.
Average wind speed in May is 2.9 m/s. The windiest May on record averaged 3.5 m/s (1990).
The wettest May on record was 2004 with 247 mm. On average, May 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 Sivaganga 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.
