May is one of the warmer months of the year in South Andaman, with average highs near 29.5°C and lows around 28.6°C (mean 29.1°C). It is a relatively wet time of year, averaging 293 mm of rainfall and 79% relative humidity across the period.
May is one of the warmer months of the year in South Andaman. Across 45 years of records, the warmest Mays in South Andaman were 2016 and 2024 — when the month averaged 30.6°C — while the coldest was 1994 at 28.1°C. Typical May days reach 29.5°C with nights near 28.6°C. The long-term trend is warming, about 0.2°C per decade.
May is a relatively wet time of year in South Andaman, averaging 293 mm of rainfall. The wettest May on record was 2001 with 682 mm, while the driest was 2023 at 98 mm.
Relative humidity in South Andaman during May averages 79%. The most humid May was 1994 at 84%, and the least humid was 1983 at 74%.
May receives about 4.9 kWh/m²/day of solar energy in South Andaman. The sunniest May was 2023 at 5.8 kWh/m²/day, and the cloudiest was 2022 at 3.9.
Average wind speed in South Andaman during May is 4.5 m/s. The windiest May was 2003 at 6.2 m/s, while the calmest were 1987 and 1991 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.8°C | 28.9°C | 28.9°C | 29.5°C | 29.6°C | +0.8°C |
| Avg High | 29.3°C | 29.4°C | 29.3°C | 29.9°C | 30.1°C | +0.8°C |
| Avg Low | 28.3°C | 28.5°C | 28.5°C | 29.0°C | 29.1°C | +0.8°C |
| Avg Rain | 229 mm | 225 mm | 394 mm | 337 mm | 258 mm | +30 mm |
May temperatures in South Andaman have risen by about 0.7°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 26.8°C (1994) to a record high of 33.3°C (2024).
Rainfall in May is a relatively wet time of year, averaging 293 mm, with a wettest year of 682 mm.
A quieter season to visit South Andaman
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting South Andaman. That said, May — with days averaging 29.5°C and nights around 28.6°C (mean 29.1°C) and higher rainfall (293 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 | 29.8°C | 29.4°C | 29.0°C | 30.5°C | 28.1°C | 241 mm | 78% | 4.4 m/s | 4.9 |
| 2024 | 31.2°C | 30.6°C | 30.1°C | 33.3°C | 28.8°C | 260 mm | 75% | 3.8 m/s | 4.9 |
| 2023 | 30.2°C | 29.7°C | 29.2°C | 31.8°C | 28.2°C | 98 mm | 77% | 4.1 m/s | 5.8 |
| 2022 | 29.4°C | 29.0°C | 28.6°C | 30.3°C | 28.0°C | 411 mm | 81% | 5.7 m/s | 3.9 |
| 2021 | 29.9°C | 29.5°C | 29.0°C | 31.5°C | 27.8°C | 316 mm | 77% | 3.3 m/s | 4.9 |
| 2020 | 29.8°C | 29.4°C | 28.9°C | 31.0°C | 27.6°C | 222 mm | 80% | 4.1 m/s | 5.1 |
| 2019 | 29.8°C | 29.3°C | 28.9°C | 30.5°C | 27.7°C | 174 mm | 80% | 4.1 m/s | 5 |
| 2018 | 29.7°C | 29.2°C | 28.8°C | 30.5°C | 27.6°C | 290 mm | 76% | 3 m/s | 5.1 |
| 2017 | 29.9°C | 29.4°C | 29.0°C | 30.7°C | 26.9°C | 406 mm | 78% | 3.6 m/s | 4.8 |
| 2016 🔥 | 31.2°C | 30.6°C | 30.0°C | 32.6°C | 27.8°C | 250 mm | 74% | 4 m/s | 5 |
| 2015 | 29.8°C | 29.4°C | 28.9°C | 30.9°C | 28.0°C | 323 mm | 77% | 3.8 m/s | 4.7 |
| 2014 | 29.6°C | 29.2°C | 28.7°C | 31.8°C | 27.8°C | 231 mm | 78% | 3.9 m/s | 5 |
| 2013 | 29.7°C | 29.3°C | 28.9°C | 30.7°C | 27.8°C | 567 mm | 80% | 5.1 m/s | 4.3 |
| 2012 | 29.3°C | 28.9°C | 28.5°C | 30.0°C | 27.3°C | 478 mm | 80% | 5.4 m/s | 4.4 |
| 2011 | 29.2°C | 28.9°C | 28.5°C | 29.7°C | 27.7°C | 362 mm | 80% | 4.5 m/s | 5.2 |
| 2010 | 30.8°C | 30.3°C | 29.8°C | 31.9°C | 29.0°C | 288 mm | 75% | 3.8 m/s | 5 |
| 2009 | 29.4°C | 29.0°C | 28.5°C | 30.1°C | 27.5°C | 350 mm | 80% | 4.9 m/s | 4.8 |
| 2008 | 28.9°C | 28.5°C | 28.1°C | 29.4°C | 27.3°C | 518 mm | 82% | 6 m/s | 4.5 |
| 2007 | 29.4°C | 29.0°C | 28.6°C | 30.3°C | 27.9°C | 251 mm | 81% | 5.5 m/s | 4.6 |
| 2006 | 29.3°C | 28.9°C | 28.5°C | 30.1°C | 27.9°C | 339 mm | 78% | 4.6 m/s | 5.3 |
| 2005 | 29.3°C | 28.9°C | 28.5°C | 30.3°C | 27.7°C | 286 mm | 82% | 4.1 m/s | 4.5 |
| 2004 | 29.1°C | 28.7°C | 28.4°C | 30.1°C | 27.0°C | 563 mm | 83% | 5.8 m/s | 4 |
| 2003 | 29.9°C | 29.4°C | 29.0°C | 31.2°C | 28.3°C | 276 mm | 79% | 6.2 m/s | 4.9 |
| 2002 | 29.4°C | 29.0°C | 28.6°C | 31.0°C | 27.7°C | 328 mm | 82% | 5.5 m/s | 4.5 |
| 2001 🌧️ | 29.3°C | 28.9°C | 28.5°C | 30.1°C | 27.7°C | 682 mm | 81% | 5.6 m/s | 4.1 |
| 2000 | 28.7°C | 28.4°C | 28.0°C | 29.4°C | 27.1°C | 346 mm | 84% | 5.5 m/s | 4.8 |
| 1999 | 28.6°C | 28.3°C | 28.0°C | 29.2°C | 26.8°C | 267 mm | 83% | 5.3 m/s | 4.9 |
| 1998 | 30.6°C | 30.1°C | 29.6°C | 32.1°C | 28.8°C | 226 mm | 77% | 4.5 m/s | 5.2 |
| 1997 | 29.7°C | 29.1°C | 28.5°C | 31.1°C | 27.5°C | 226 mm | 75% | 4.9 m/s | 5.4 |
| 1996 | 29.0°C | 28.6°C | 28.2°C | 29.4°C | 27.1°C | 211 mm | 82% | 5.1 m/s | 4.6 |
| 1995 | 28.9°C | 28.5°C | 28.0°C | 29.8°C | 27.2°C | 197 mm | 81% | 4.6 m/s | 4.9 |
| 1994 ❄️ | 28.5°C | 28.1°C | 27.8°C | 28.9°C | 26.8°C | 301 mm | 84% | 4.9 m/s | 5 |
| 1993 | 29.6°C | 29.1°C | 28.6°C | 31.0°C | 27.4°C | 230 mm | 78% | 4 m/s | 4.9 |
| 1992 | 29.8°C | 29.3°C | 28.9°C | 30.9°C | 28.0°C | 163 mm | 77% | 4.1 m/s | 5.5 |
| 1991 | 29.6°C | 29.1°C | 28.6°C | 30.8°C | 27.5°C | 134 mm | 75% | 2.7 m/s | 5.5 |
| 1990 | 29.3°C | 28.9°C | 28.5°C | 30.4°C | 27.6°C | 296 mm | 80% | 5 m/s | 4.7 |
| 1989 | 29.1°C | 28.7°C | 28.3°C | 29.9°C | 27.6°C | 275 mm | 80% | 5.2 m/s | 4.9 |
| 1988 | 29.2°C | 28.7°C | 28.3°C | 29.9°C | 27.6°C | 289 mm | 81% | 5.1 m/s | 4.5 |
| 1987 | 29.2°C | 28.6°C | 28.0°C | 30.8°C | 27.0°C | 147 mm | 74% | 2.7 m/s | 5 |
| 1986 | 29.6°C | 29.0°C | 28.5°C | 31.1°C | 27.6°C | 296 mm | 75% | 4.6 m/s | 5.2 |
| 1985 | 29.5°C | 29.1°C | 28.7°C | 30.5°C | 27.4°C | 182 mm | 76% | 4.8 m/s | 5.2 |
| 1984 | 28.8°C | 28.4°C | 28.0°C | 29.5°C | 27.3°C | 174 mm | 80% | 4.4 m/s | 5.5 |
| 1983 | 30.0°C | 29.4°C | 28.8°C | 31.0°C | 27.6°C | 195 mm | 74% | 3.2 m/s | — |
| 1982 | 29.4°C | 28.9°C | 28.4°C | 30.9°C | 27.3°C | 225 mm | 75% | 2.9 m/s | — |
| 1981 | 29.0°C | 28.5°C | 28.0°C | 29.9°C | 27.3°C | 273 mm | 78% | 3.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 29.5°C with lows near 28.6°C (mean 29.1°C), based on 45 years of NASA POWER data.
May averages 293 mm of rainfall in South Andaman, a relatively wet time of year. The wettest on record was 682 mm in 2001.
The hottest May reached 33.3°C in 2024. The coldest dipped to 26.8°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.7°C. Daytime highs moved from 29.3°C to 30.1°C and overnight lows from 28.4°C to 29.2°C over the same span.
May is one of the warmer months of the year in South Andaman and a relatively wet time of year, so plan for around 29.5°C daytime highs and 28.6°C at night.
Not quite — May is the 11th coolest month in South Andaman, averaging 29.1°C.
For May in South Andaman, pack light layers you can adjust through the day, with typical highs of 29.5°C and lows of 28.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 79% — quite humid.
Average wind speed in May is 4.5 m/s. The windiest May on record averaged 6.2 m/s (2003).
The wettest May on record was 2001 with 682 mm. On average, May sees 293 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 South Andaman 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.
