May is one of the warmer months of the year in Birbhum, with average highs near 44.2°C and lows around 23.3°C (mean 33.8°C). It is a relatively wet time of year, averaging 111 mm of rainfall and 54% relative humidity across the period.
May is one of the warmer months of the year in Birbhum. Across 45 years of records, the warmest May in Birbhum was 1991 — when the month averaged 36.2°C — while the coldest was 1986 at 29.7°C. Typical May days reach 44.2°C with nights near 23.3°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 33.1°C | 34.7°C | 33.6°C | 33.8°C | 33.3°C | +0.2°C |
| Avg High | 44.1°C | 45.8°C | 43.6°C | 43.7°C | 43.4°C | -0.7°C |
| Avg Low | 22.1°C | 23.7°C | 23.6°C | 23.8°C | 23.2°C | +1.1°C |
| Avg Rain | 100 mm | 71 mm | 124 mm | 125 mm | 149 mm | +48 mm |
May temperatures in Birbhum have risen by about 0.3°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 18.7°C (1986) to a record high of 47.8°C (1988).
Rainfall in May is a relatively wet time of year, averaging 111 mm, with a wettest year of 291 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Birbhum
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Birbhum. That said, May — with days averaging 44.2°C and nights around 23.3°C (mean 33.8°C) and higher rainfall (111 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 43.0°C | 22.7°C | 32.9°C | 147 mm | 61% | 2.2 m/s | 5.4 |
| 2024 | 45.6°C | 23.0°C | 34.3°C | 116 mm | 52% | 2.5 m/s | 5.5 |
| 2023 | 44.3°C | 23.7°C | 34.0°C | 93 mm | 46% | 1.9 m/s | 5.9 |
| 2022 | 42.9°C | 23.9°C | 33.4°C | 143 mm | 63% | 2.4 m/s | 5.4 |
| 2021 | 41.4°C | 23.2°C | 32.3°C | 226 mm | 63% | 2.5 m/s | 5.1 |
| 2020 | 43.2°C | 22.5°C | 32.9°C | 166 mm | 61% | 2.3 m/s | 5.3 |
| 2019 | 43.7°C | 21.3°C | 32.5°C | 111 mm | 51% | 2.5 m/s | 6.1 |
| 2018 | 42.1°C | 23.3°C | 32.7°C | 62 mm | 61% | 2.4 m/s | 5.3 |
| 2017 | 42.3°C | 23.9°C | 33.1°C | 140 mm | 58% | 2 m/s | 5.9 |
| 2016 | 44.4°C | 25.2°C | 34.8°C | 110 mm | 52% | 2.2 m/s | 5.5 |
| 2015 | 44.1°C | 23.8°C | 33.9°C | 86 mm | 58% | 2.2 m/s | 5.8 |
| 2014 | 46.1°C | 24.0°C | 35.1°C | 136 mm | 45% | 2.6 m/s | 5.9 |
| 2013 | 44.7°C | 24.9°C | 34.8°C | 225 mm | 60% | 2.3 m/s | 5 |
| 2012 | 45.6°C | 24.1°C | 34.9°C | 42 mm | 47% | 2.1 m/s | 6.3 |
| 2011 | 40.0°C | 23.7°C | 31.8°C | 189 mm | 67% | 1.9 m/s | 5.8 |
| 2010 | 43.8°C | 23.9°C | 33.9°C | 148 mm | 63% | 2.5 m/s | 5.5 |
| 2009 | 43.6°C | 23.0°C | 33.3°C | 175 mm | 60% | 2.3 m/s | 5.6 |
| 2008 | 42.6°C | 24.6°C | 33.6°C | 132 mm | 56% | 1.7 m/s | 6.1 |
| 2007 | 42.7°C | 24.8°C | 33.8°C | 106 mm | 55% | 1.8 m/s | 6.1 |
| 2006 | 42.7°C | 24.5°C | 33.6°C | 160 mm | 61% | 2.2 m/s | 6 |
| 2005 | 44.8°C | 22.3°C | 33.6°C | 62 mm | 50% | 2.2 m/s | 6.2 |
| 2004 | 45.9°C | 22.0°C | 33.9°C | 57 mm | 47% | 2.3 m/s | 6.4 |
| 2003 | 44.0°C | 22.6°C | 33.3°C | 87 mm | 48% | 2.1 m/s | 6.1 |
| 2002 | 47.0°C | 24.5°C | 35.8°C | 104 mm | 52% | 2.2 m/s | 5.6 |
| 2001 | 40.9°C | 24.1°C | 32.5°C | 177 mm | 63% | 2.5 m/s | 5.9 |
| 2000 | 42.2°C | 23.1°C | 32.6°C | 182 mm | 67% | 2.2 m/s | 5.7 |
| 1999 | 46.9°C | 23.8°C | 35.4°C | 137 mm | 57% | 2.3 m/s | 5.5 |
| 1998 | 45.8°C | 24.3°C | 35.0°C | 104 mm | 53% | 2.4 m/s | 6 |
| 1997 | 44.7°C | 20.9°C | 32.8°C | 63 mm | 44% | 2.1 m/s | 6 |
| 1996 | 47.6°C | 22.2°C | 34.9°C | 19 mm | 37% | 2.7 m/s | 6.1 |
| 1995 | 45.6°C | 24.6°C | 35.1°C | 51 mm | 47% | 2.7 m/s | 5.7 |
| 1994 | 45.6°C | 23.9°C | 34.7°C | 53 mm | 44% | 2.5 m/s | 6.3 |
| 1993 | 45.6°C | 25.0°C | 35.3°C | 92 mm | 53% | 2.5 m/s | 6.3 |
| 1992 | 45.8°C | 23.3°C | 34.5°C | 78 mm | 47% | 2.3 m/s | 6.4 |
| 1991 🔥 | 47.1°C | 25.4°C | 36.2°C | 16 mm | 40% | 2.6 m/s | 6.3 |
| 1990 | 43.3°C | 23.7°C | 33.5°C | 94 mm | 56% | 2.8 m/s | 6.1 |
| 1989 | 45.8°C | 22.1°C | 33.9°C | 75 mm | 46% | 3.2 m/s | 6 |
| 1988 | 47.8°C | 24.1°C | 36.0°C | 56 mm | 50% | 2.8 m/s | 6.3 |
| 1987 | 44.4°C | 20.6°C | 32.5°C | 92 mm | 50% | 1.9 m/s | 6.3 |
| 1986 ❄️ | 40.8°C | 18.7°C | 29.7°C | 145 mm | 53% | 1.9 m/s | 6.2 |
| 1985 | 44.7°C | 23.9°C | 34.3°C | 42 mm | 47% | 2.7 m/s | 6.1 |
| 1984 | 45.3°C | 21.1°C | 33.2°C | 79 mm | 54% | 2.5 m/s | 6.1 |
| 1983 | 43.3°C | 24.7°C | 34.0°C | 70 mm | 51% | 2.7 m/s | — |
| 1982 | 43.2°C | 21.9°C | 32.5°C | 52 mm | 46% | 2.3 m/s | — |
| 1981 🌧️ | 41.2°C | 21.6°C | 31.4°C | 291 mm | 71% | 2.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 44.2°C with lows near 23.3°C (mean 33.8°C), based on 45 years of NASA POWER data.
May averages 111 mm of rainfall in Birbhum, a relatively wet time of year. The wettest on record was 291 mm in 1981.
The hottest May reached 47.8°C in 1988. The coldest dipped to 18.7°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.3°C. Daytime highs moved from 43.5°C to 43.4°C and overnight lows from 22.6°C to 23.3°C over the same span.
May is one of the warmer months of the year in Birbhum and a relatively wet time of year, so plan for around 44.2°C daytime highs and 23.3°C at night.
Not quite — May is the 11th coolest month in Birbhum, averaging 33.8°C.
For May in Birbhum, pack light, breathable clothing and sun protection, with typical highs of 44.2°C and lows of 23.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 54% — 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 1981 with 291 mm. On average, May sees 111 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 Birbhum 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.