June is one of the warmer months of the year in Jamui, with average highs near 44°C and lows around 25.7°C (mean 34.9°C). It is a relatively wet time of year, averaging 151 mm of rainfall and 56% relative humidity across the period.
June is one of the warmer months of the year in Jamui. Across 45 years of records, the warmest Junes in Jamui were 1983 and 1998 — when the month averaged 37°C — while the coldest was 2013 at 30.6°C. Typical June days reach 44°C with nights near 25.7°C. The long-term trend is cooling, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 35.2°C | 35.3°C | 34.3°C | 35.1°C | 34.3°C | -0.9°C |
| Avg High | 44.8°C | 44.8°C | 43.0°C | 44.3°C | 42.8°C | -2°C |
| Avg Low | 25.6°C | 25.8°C | 25.7°C | 25.9°C | 25.7°C | +0.1°C |
| Avg Rain | 126 mm | 140 mm | 190 mm | 123 mm | 190 mm | +64 mm |
June temperatures in Jamui have fallen by about 0.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 22.8°C (2013) to a record high of 47.3°C (1983).
Rainfall in June is a relatively wet time of year, averaging 151 mm, with a wettest year of 380 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Jamui
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Jamui. That said, June — with days averaging 44°C and nights around 25.7°C (mean 34.9°C) and higher rainfall (151 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 | 42.4°C | 26.3°C | 34.4°C | 152 mm | 58% | 2.7 m/s | 5.1 |
| 2024 | 46.3°C | 27.2°C | 36.8°C | 72 mm | 49% | 2.5 m/s | 5.7 |
| 2023 | 45.9°C | 25.9°C | 35.9°C | 161 mm | 43% | 3.2 m/s | 5.7 |
| 2022 | 43.4°C | 25.7°C | 34.6°C | 163 mm | 57% | 2.6 m/s | 5.4 |
| 2021 | 39.5°C | 24.2°C | 31.8°C | 347 mm | 76% | 2.4 m/s | 4.3 |
| 2020 | 39.3°C | 24.7°C | 32.0°C | 246 mm | 69% | 2.7 m/s | 4.7 |
| 2019 | 46.1°C | 26.8°C | 36.5°C | 83 mm | 51% | 2.9 m/s | 5.6 |
| 2018 | 43.7°C | 26.2°C | 35.0°C | 107 mm | 56% | 2.8 m/s | 5.2 |
| 2017 | 44.4°C | 27.4°C | 35.9°C | 73 mm | 53% | 2.6 m/s | 5.4 |
| 2016 | 44.6°C | 26.9°C | 35.7°C | 120 mm | 56% | 2.7 m/s | 5.8 |
| 2015 | 47.0°C | 24.0°C | 35.5°C | 133 mm | 51% | 3 m/s | 5.4 |
| 2014 | 44.1°C | 26.5°C | 35.3°C | 100 mm | 54% | 2.1 m/s | 5.7 |
| 2013 ❄️ | 38.5°C | 22.8°C | 30.6°C | 121 mm | 68% | 2.2 m/s | 5 |
| 2012 | 46.6°C | 27.0°C | 36.8°C | 68 mm | 44% | 2.7 m/s | 5.4 |
| 2011 | 43.0°C | 25.2°C | 34.1°C | 333 mm | 63% | 3.1 m/s | 4.9 |
| 2010 | 44.5°C | 26.4°C | 35.4°C | 96 mm | 52% | 2.7 m/s | 5.6 |
| 2009 | 44.5°C | 25.0°C | 34.7°C | 70 mm | 44% | 2.5 m/s | 6.2 |
| 2008 🌧️ | 41.6°C | 25.4°C | 33.5°C | 380 mm | 73% | 2.6 m/s | 4.7 |
| 2007 | 44.3°C | 26.0°C | 35.2°C | 98 mm | 58% | 3.1 m/s | 5.3 |
| 2006 | 41.9°C | 25.1°C | 33.5°C | 283 mm | 70% | 2.2 m/s | 5.4 |
| 2005 | 45.6°C | 26.6°C | 36.1°C | 72 mm | 42% | 2.9 m/s | 5.9 |
| 2004 | 42.8°C | 25.9°C | 34.3°C | 210 mm | 62% | 3 m/s | 5.3 |
| 2003 | 45.0°C | 26.0°C | 35.5°C | 160 mm | 55% | 2.5 m/s | 5.2 |
| 2002 | 43.3°C | 26.2°C | 34.7°C | 98 mm | 58% | 2.6 m/s | 5.3 |
| 2001 | 40.1°C | 25.1°C | 32.6°C | 303 mm | 73% | 3 m/s | 4.9 |
| 2000 | 41.1°C | 25.5°C | 33.3°C | 225 mm | 69% | 2.8 m/s | 5.3 |
| 1999 | 42.8°C | 25.8°C | 34.3°C | 126 mm | 57% | 2.8 m/s | 4.8 |
| 1998 | 47.3°C | 26.6°C | 37.0°C | 92 mm | 49% | 3 m/s | 5.8 |
| 1997 | 44.7°C | 25.4°C | 35.0°C | 153 mm | 45% | 3.1 m/s | 6 |
| 1996 | 44.9°C | 25.5°C | 35.2°C | 200 mm | 57% | 3 m/s | 5.5 |
| 1995 | 46.6°C | 25.5°C | 36.1°C | 141 mm | 52% | 2.9 m/s | 5.4 |
| 1994 | 45.7°C | 26.0°C | 35.8°C | 122 mm | 58% | 3.5 m/s | 5.5 |
| 1993 | 44.9°C | 26.2°C | 35.6°C | 132 mm | 50% | 3 m/s | 5.8 |
| 1992 | 44.4°C | 24.3°C | 34.4°C | 98 mm | 49% | 2.7 m/s | 6.1 |
| 1991 | 42.2°C | 26.2°C | 34.2°C | 118 mm | 57% | 2.9 m/s | 5.7 |
| 1990 | 44.4°C | 26.0°C | 35.2°C | 218 mm | 58% | 3.1 m/s | 5.8 |
| 1989 | 42.1°C | 25.3°C | 33.7°C | 92 mm | 58% | 3.2 m/s | 5.9 |
| 1988 | 44.3°C | 24.7°C | 34.5°C | 191 mm | 61% | 3 m/s | 5.2 |
| 1987 | 45.8°C | 26.0°C | 35.9°C | 62 mm | 43% | 2.8 m/s | 6 |
| 1986 | 45.6°C | 24.6°C | 35.1°C | 79 mm | 48% | 3.2 m/s | 6.5 |
| 1985 | 44.9°C | 27.0°C | 35.9°C | 86 mm | 47% | 2.6 m/s | 6.2 |
| 1984 | 44.6°C | 24.9°C | 34.8°C | 275 mm | 73% | 3.2 m/s | 4.4 |
| 1983 🔥 | 47.3°C | 26.7°C | 37.0°C | 96 mm | 42% | 2.9 m/s | — |
| 1982 | 44.1°C | 25.9°C | 35.0°C | 161 mm | 56% | 2.5 m/s | — |
| 1981 | 44.8°C | 25.6°C | 35.2°C | 95 mm | 52% | 3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 44°C with lows near 25.7°C (mean 34.9°C), based on 45 years of NASA POWER data.
June averages 151 mm of rainfall in Jamui, a relatively wet time of year. The wettest on record was 380 mm in 2008.
The hottest June reached 47.3°C in 1983. The coldest dipped to 22.8°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have fallen by about 0.9°C. Daytime highs moved from 45.1°C to 43.5°C and overnight lows from 26°C to 25.9°C over the same span.
June is one of the warmer months of the year in Jamui and a relatively wet time of year, so plan for around 44°C daytime highs and 25.7°C at night.
Not quite — June is the 12th coolest month in Jamui, averaging 34.9°C.
For June in Jamui, pack light, breathable clothing and sun protection, with typical highs of 44°C and lows of 25.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 56% — moderately humid.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 3.5 m/s (1994).
The wettest June on record was 2008 with 380 mm. On average, June sees 151 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 Jamui behaves each June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
