May is one of the warmer months of the year in Giridih, with average highs near 40.2°C and lows around 25.6°C (mean 32.9°C). It is one of the drier months, averaging 70 mm of rainfall and 44% relative humidity across the period.
May is one of the warmer months of the year in Giridih. Across 45 years of records, the warmest May in Giridih was 1991 — when the month averaged 35.8°C — while the coldest was 2021 at 30.2°C. Typical May days reach 40.2°C with nights near 25.6°C. The long-term trend is cooling, about 0.3°C per decade.
May is one of the drier months in Giridih, averaging 70 mm of rainfall. The wettest May on record was 2021 with 238 mm, while the driest were 1991 and 1996 at 8 mm.
Relative humidity in Giridih during May averages 44%. The most humid May was 2021 at 60%, and the least humid was 1996 at 26%.
May receives about 6.3 kWh/m²/day of solar energy in Giridih. The sunniest May was 1985 at 7.2 kWh/m²/day, and the cloudiest was 2021 at 5.1.
Average wind speed in Giridih during May is 2.3 m/s. The windiest May was 1989 at 3.2 m/s, while the calmest was 2023 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.9°C | 33.6°C | 32.9°C | 33.0°C | 31.6°C | -1.3°C |
| Avg High | 40.6°C | 41.2°C | 39.9°C | 40.2°C | 38.3°C | -2.3°C |
| Avg Low | 25.2°C | 26.0°C | 25.9°C | 25.8°C | 24.8°C | -0.4°C |
| Avg Rain | 54 mm | 45 mm | 69 mm | 81 mm | 117 mm | +64 mm |
May temperatures in Giridih have fallen by about 1.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 19.3°C (1986) to a record high of 47.8°C (1988).
Rainfall in May is one of the drier months, averaging 70 mm, with a wettest year of 238 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Giridih
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Giridih. That said, May — with days averaging 40.2°C and nights around 25.6°C (mean 32.9°C) and moderate rainfall (70 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 | 37.8°C | 31.5°C | 25.2°C | 43.0°C | 21.6°C | 102 mm | 54% | 2.1 m/s | 5.5 |
| 2024 | 39.9°C | 32.7°C | 25.6°C | 46.9°C | 21.7°C | 77 mm | 44% | 2.3 m/s | 5.8 |
| 2023 | 39.7°C | 32.2°C | 24.7°C | 43.0°C | 22.4°C | 69 mm | 39% | 1.8 m/s | 6.2 |
| 2022 | 38.6°C | 31.9°C | 25.1°C | 43.6°C | 23.2°C | 96 mm | 55% | 2.3 m/s | 5.8 |
| 2021 ❄️ 🌧️ | 35.9°C | 30.2°C | 24.4°C | 40.3°C | 22.4°C | 238 mm | 60% | 2.6 m/s | 5.1 |
| 2020 | 37.6°C | 30.8°C | 24.0°C | 44.3°C | 21.1°C | 122 mm | 54% | 1.9 m/s | 5.7 |
| 2019 | 41.4°C | 33.3°C | 25.2°C | 44.6°C | 21.3°C | 86 mm | 38% | 2.3 m/s | 6.5 |
| 2018 | 39.1°C | 32.0°C | 25.0°C | 42.5°C | 22.0°C | 59 mm | 53% | 2.2 m/s | 5.7 |
| 2017 | 40.4°C | 33.3°C | 26.2°C | 43.2°C | 23.3°C | 92 mm | 48% | 2 m/s | 6 |
| 2016 | 40.4°C | 33.3°C | 26.3°C | 44.0°C | 24.5°C | 80 mm | 44% | 2.3 m/s | 5.9 |
| 2015 | 40.1°C | 32.8°C | 25.5°C | 44.1°C | 23.0°C | 72 mm | 48% | 1.9 m/s | 6.3 |
| 2014 | 40.0°C | 33.2°C | 26.5°C | 44.1°C | 23.0°C | 94 mm | 40% | 2.8 m/s | 6.3 |
| 2013 | 40.0°C | 32.9°C | 25.8°C | 44.2°C | 23.8°C | 134 mm | 47% | 2.4 m/s | 5.7 |
| 2012 | 41.2°C | 33.7°C | 26.2°C | 44.7°C | 23.0°C | 34 mm | 36% | 1.9 m/s | 6.6 |
| 2011 | 39.1°C | 32.3°C | 25.4°C | 42.4°C | 22.9°C | 96 mm | 55% | 2 m/s | 6.3 |
| 2010 | 40.2°C | 33.3°C | 26.3°C | 44.6°C | 24.1°C | 66 mm | 49% | 2.6 m/s | 5.9 |
| 2009 | 38.0°C | 31.5°C | 25.0°C | 44.5°C | 22.9°C | 115 mm | 53% | 2.6 m/s | 5.9 |
| 2008 | 39.6°C | 32.7°C | 25.8°C | 42.9°C | 23.3°C | 66 mm | 46% | 1.9 m/s | 6.3 |
| 2007 | 38.6°C | 32.2°C | 25.7°C | 42.7°C | 24.4°C | 65 mm | 49% | 1.9 m/s | 6.3 |
| 2006 | 38.4°C | 32.1°C | 25.9°C | 43.6°C | 24.4°C | 103 mm | 54% | 2.3 m/s | 6 |
| 2005 | 41.9°C | 33.8°C | 25.8°C | 44.8°C | 22.9°C | 24 mm | 35% | 2 m/s | 6.7 |
| 2004 | 41.5°C | 34.1°C | 26.7°C | 44.5°C | 20.4°C | 38 mm | 37% | 2.1 m/s | 6.7 |
| 2003 | 40.9°C | 33.0°C | 25.1°C | 44.0°C | 21.2°C | 43 mm | 37% | 2.2 m/s | 6.5 |
| 2002 | 40.7°C | 33.4°C | 26.2°C | 45.7°C | 23.6°C | 58 mm | 44% | 2.4 m/s | 5.9 |
| 2001 | 40.0°C | 33.2°C | 26.4°C | 43.7°C | 24.6°C | 88 mm | 51% | 2.5 m/s | 6.2 |
| 2000 | 39.2°C | 32.7°C | 26.1°C | 44.3°C | 22.9°C | 87 mm | 52% | 2.2 m/s | 5.8 |
| 1999 | 39.1°C | 32.4°C | 25.6°C | 46.5°C | 22.6°C | 110 mm | 51% | 2.2 m/s | 6 |
| 1998 | 40.7°C | 33.1°C | 25.5°C | 45.7°C | 22.6°C | 52 mm | 46% | 2.2 m/s | 6.4 |
| 1997 | 41.3°C | 33.5°C | 25.7°C | 44.3°C | 21.6°C | 30 mm | 31% | 2.2 m/s | 6.5 |
| 1996 | 43.4°C | 35.3°C | 27.1°C | 46.5°C | 22.3°C | 8 mm | 26% | 2.6 m/s | 6.6 |
| 1995 | 40.4°C | 33.3°C | 26.2°C | 44.3°C | 23.4°C | 28 mm | 37% | 2.8 m/s | 6.4 |
| 1994 | 41.3°C | 33.8°C | 26.2°C | 45.5°C | 23.8°C | 40 mm | 37% | 2.2 m/s | 6.7 |
| 1993 | 41.3°C | 33.4°C | 25.5°C | 45.9°C | 24.0°C | 49 mm | 42% | 2.1 m/s | 7 |
| 1992 | 40.2°C | 32.6°C | 25.1°C | 45.2°C | 22.4°C | 60 mm | 39% | 2.5 m/s | 6.8 |
| 1991 🔥 | 44.1°C | 35.8°C | 27.5°C | 46.1°C | 24.2°C | 8 mm | 28% | 2.4 m/s | 6.6 |
| 1990 | 39.8°C | 32.9°C | 26.0°C | 43.7°C | 22.7°C | 66 mm | 48% | 2.5 m/s | 6.4 |
| 1989 | 40.4°C | 32.9°C | 25.3°C | 44.2°C | 20.8°C | 63 mm | 41% | 3.2 m/s | 6.7 |
| 1988 | 42.4°C | 34.2°C | 26.0°C | 47.8°C | 22.2°C | 20 mm | 39% | 2.4 m/s | 7.1 |
| 1987 | 40.9°C | 33.2°C | 25.5°C | 45.4°C | 19.9°C | 29 mm | 33% | 2.1 m/s | 6.8 |
| 1986 | 38.7°C | 31.0°C | 23.3°C | 41.2°C | 19.3°C | 96 mm | 48% | 2 m/s | 6.5 |
| 1985 | 41.3°C | 33.4°C | 25.5°C | 44.9°C | 23.5°C | 44 mm | 41% | 2.3 m/s | 7.2 |
| 1984 | 42.0°C | 33.5°C | 25.0°C | 46.2°C | 22.1°C | 38 mm | 38% | 2.7 m/s | 6.9 |
| 1983 | 41.0°C | 33.3°C | 25.6°C | 44.2°C | 22.6°C | 42 mm | 40% | 2.2 m/s | — |
| 1982 | 40.5°C | 33.2°C | 26.0°C | 43.7°C | 22.1°C | 22 mm | 35% | 2.1 m/s | — |
| 1981 | 38.6°C | 31.5°C | 24.5°C | 43.2°C | 21.2°C | 128 mm | 58% | 2.4 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 40.2°C with lows near 25.6°C (mean 32.9°C), based on 45 years of NASA POWER data.
May averages 70 mm of rainfall in Giridih, one of the drier months. The wettest on record was 238 mm in 2021.
The hottest May reached 47.8°C in 1988. The coldest dipped to 19.3°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 1.3°C. Daytime highs moved from 40.7°C to 38.4°C and overnight lows from 25.3°C to 25°C over the same span.
May is one of the warmer months of the year in Giridih and one of the drier months, so plan for around 40.2°C daytime highs and 25.6°C at night.
Not quite — May is the 12th coolest month in Giridih, averaging 32.9°C.
For May in Giridih, pack light, breathable clothing and sun protection, with typical highs of 40.2°C and lows of 25.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 44% — relatively dry.
Average wind speed in May is 2.3 m/s. The windiest May on record averaged 3.2 m/s (1989).
The wettest May on record was 2021 with 238 mm. On average, May sees 70 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 Giridih 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.
