June is one of the warmer months of the year in Patna, with average highs near 40°C and lows around 29.5°C (mean 34.8°C). It is a relatively wet time of year, averaging 142 mm of rainfall and 48% relative humidity across the period.
June is one of the warmer months of the year in Patna. Across 45 years of records, the warmest June in Patna was 2024 — when the month averaged 37.5°C — while the coldest was 2021 at 30.5°C. Typical June days reach 40°C with nights near 29.5°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Patna, averaging 142 mm of rainfall. The wettest June on record was 2008 with 464 mm, while the driest was 1985 at 55 mm.
Relative humidity in Patna during June averages 48%. The most humid June was 2021 at 76%, and the least humid was 2005 at 34%.
June receives about 5.7 kWh/m²/day of solar energy in Patna. The sunniest June was 1986 at 6.9 kWh/m²/day, and the cloudiest was 2021 at 4.3.
Average wind speed in Patna during June is 2.8 m/s. The windiest June was 2023 at 3.5 m/s, while the calmest was 2014 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 35.0°C | 35.2°C | 33.6°C | 35.5°C | 34.4°C | -0.6°C |
| Avg High | 40.6°C | 40.6°C | 38.4°C | 40.8°C | 39.3°C | -1.3°C |
| Avg Low | 29.4°C | 29.8°C | 28.8°C | 30.2°C | 29.4°C | 0°C |
| Avg Rain | 113 mm | 132 mm | 205 mm | 99 mm | 167 mm | +54 mm |
June temperatures in Patna have stayed relatively stable across the record.
June has ranged from a record low of 23.3°C (2013) to a record high of 48.5°C (1998).
Rainfall in June is a relatively wet time of year, averaging 142 mm, with a wettest year of 464 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Patna
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Patna. That said, June — with days averaging 40°C and nights around 29.5°C (mean 34.8°C) and higher rainfall (142 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 | 39.5°C | 34.4°C | 29.2°C | 43.8°C | 26.6°C | 120 mm | 50% | 2.8 m/s | 5.3 |
| 2024 🔥 | 43.5°C | 37.5°C | 31.6°C | 48.1°C | 28.4°C | 59 mm | 38% | 2.5 m/s | 5.5 |
| 2023 | 42.9°C | 37.0°C | 31.2°C | 47.2°C | 27.2°C | 90 mm | 35% | 3.5 m/s | 5.9 |
| 2022 | 40.4°C | 35.0°C | 29.6°C | 45.3°C | 26.4°C | 143 mm | 47% | 2.8 m/s | 5.2 |
| 2021 ❄️ | 34.1°C | 30.5°C | 26.8°C | 39.8°C | 25.5°C | 305 mm | 76% | 2.4 m/s | 4.3 |
| 2020 | 35.6°C | 31.7°C | 27.7°C | 41.1°C | 25.0°C | 283 mm | 66% | 2.9 m/s | 4.6 |
| 2019 | 43.1°C | 37.2°C | 31.4°C | 48.0°C | 28.0°C | 57 mm | 40% | 3.3 m/s | 5.8 |
| 2018 | 41.2°C | 36.2°C | 31.1°C | 45.4°C | 28.6°C | 57 mm | 44% | 3.1 m/s | 5.5 |
| 2017 | 40.9°C | 35.7°C | 30.5°C | 46.3°C | 29.1°C | 70 mm | 44% | 2.5 m/s | 5.5 |
| 2016 | 40.1°C | 35.2°C | 30.3°C | 45.8°C | 27.6°C | 57 mm | 46% | 2.5 m/s | 5.8 |
| 2015 | 41.6°C | 36.0°C | 30.3°C | 48.1°C | 26.6°C | 116 mm | 41% | 2.8 m/s | 5.6 |
| 2014 | 41.9°C | 36.1°C | 30.4°C | 46.0°C | 28.0°C | 88 mm | 44% | 1.9 m/s | 5.8 |
| 2013 | 37.1°C | 32.6°C | 28.1°C | 40.6°C | 23.3°C | 111 mm | 59% | 2.7 m/s | 5 |
| 2012 | 43.0°C | 37.1°C | 31.2°C | 48.0°C | 28.0°C | 67 mm | 36% | 2.5 m/s | 5.7 |
| 2011 | 37.7°C | 33.2°C | 28.7°C | 43.6°C | 25.8°C | 302 mm | 57% | 3.1 m/s | 5.4 |
| 2010 | 41.8°C | 36.0°C | 30.3°C | 45.0°C | 27.3°C | 60 mm | 41% | 2.9 m/s | 5.8 |
| 2009 | 41.6°C | 35.4°C | 29.2°C | 44.8°C | 25.2°C | 80 mm | 39% | 2.4 m/s | 6.2 |
| 2008 🌧️ | 34.6°C | 31.0°C | 27.4°C | 41.7°C | 25.2°C | 464 mm | 71% | 2.6 m/s | 4.8 |
| 2007 | 39.7°C | 34.6°C | 29.5°C | 45.0°C | 27.1°C | 102 mm | 50% | 3.2 m/s | 5.4 |
| 2006 | 36.7°C | 32.1°C | 27.6°C | 44.0°C | 24.5°C | 210 mm | 61% | 2.1 m/s | 5.4 |
| 2005 | 43.3°C | 37.2°C | 31.1°C | 47.8°C | 27.5°C | 60 mm | 34% | 3 m/s | 6 |
| 2004 | 37.6°C | 33.0°C | 28.4°C | 43.2°C | 26.2°C | 228 mm | 59% | 3.3 m/s | 5.5 |
| 2003 | 39.8°C | 34.9°C | 29.9°C | 45.2°C | 26.7°C | 231 mm | 48% | 2.4 m/s | 5.4 |
| 2002 | 39.1°C | 33.9°C | 28.8°C | 43.3°C | 26.7°C | 86 mm | 51% | 2.6 m/s | 5.5 |
| 2001 | 35.7°C | 31.9°C | 28.0°C | 41.6°C | 25.6°C | 308 mm | 67% | 2.8 m/s | 5.3 |
| 2000 | 36.2°C | 32.0°C | 27.7°C | 42.1°C | 26.1°C | 281 mm | 65% | 2.8 m/s | 5 |
| 1999 | 39.3°C | 34.1°C | 28.9°C | 45.1°C | 27.4°C | 121 mm | 48% | 2.8 m/s | 4.9 |
| 1998 | 41.6°C | 36.2°C | 30.7°C | 48.5°C | 27.2°C | 74 mm | 41% | 3.2 m/s | 6.2 |
| 1997 | 41.3°C | 35.7°C | 30.2°C | 45.8°C | 25.7°C | 106 mm | 39% | 3.1 m/s | 6.1 |
| 1996 | 39.3°C | 34.3°C | 29.3°C | 47.1°C | 26.3°C | 200 mm | 50% | 2.9 m/s | 6.3 |
| 1995 | 41.8°C | 36.5°C | 31.3°C | 47.8°C | 26.1°C | 103 mm | 44% | 3.1 m/s | 6.1 |
| 1994 | 40.2°C | 35.1°C | 30.0°C | 46.5°C | 26.3°C | 97 mm | 48% | 3.3 m/s | 6 |
| 1993 | 41.7°C | 36.1°C | 30.5°C | 46.3°C | 26.7°C | 136 mm | 41% | 3.1 m/s | 6.2 |
| 1992 | 41.2°C | 34.9°C | 28.6°C | 45.4°C | 24.2°C | 101 mm | 42% | 2.9 m/s | 6.5 |
| 1991 | 38.9°C | 33.7°C | 28.4°C | 42.4°C | 26.1°C | 134 mm | 54% | 3 m/s | 5.6 |
| 1990 | 40.3°C | 35.0°C | 29.8°C | 46.3°C | 26.1°C | 251 mm | 50% | 2.7 m/s | 6.4 |
| 1989 | 39.6°C | 34.3°C | 29.1°C | 43.6°C | 26.7°C | 56 mm | 49% | 3.3 m/s | 6 |
| 1988 | 39.1°C | 34.0°C | 28.8°C | 45.5°C | 24.4°C | 175 mm | 52% | 3.1 m/s | 6 |
| 1987 | 43.7°C | 37.3°C | 30.8°C | 46.7°C | 26.5°C | 59 mm | 35% | 2.9 m/s | 6.4 |
| 1986 | 41.7°C | 35.6°C | 29.5°C | 46.2°C | 25.7°C | 67 mm | 38% | 3.2 m/s | 6.9 |
| 1985 | 42.2°C | 36.4°C | 30.6°C | 46.2°C | 27.1°C | 55 mm | 37% | 2.6 m/s | 6.5 |
| 1984 | 35.7°C | 31.7°C | 27.8°C | 45.8°C | 25.5°C | 284 mm | 68% | 3.2 m/s | 5.1 |
| 1983 | 42.3°C | 36.3°C | 30.3°C | 48.0°C | 27.2°C | 101 mm | 37% | 3 m/s | — |
| 1982 | 39.7°C | 34.4°C | 29.0°C | 45.3°C | 27.4°C | 145 mm | 49% | 2.3 m/s | — |
| 1981 | 41.4°C | 35.1°C | 28.8°C | 47.2°C | 24.9°C | 72 mm | 42% | 3.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 40°C with lows near 29.5°C (mean 34.8°C), based on 45 years of NASA POWER data.
June averages 142 mm of rainfall in Patna, a relatively wet time of year. The wettest on record was 464 mm in 2008.
The hottest June reached 48.5°C in 1998. The coldest dipped to 23.3°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 29.3°C to 29.7°C while daytime highs eased from 40.3°C to 40.1°C, narrowing the gap between day and night.
June is one of the warmer months of the year in Patna and a relatively wet time of year, so plan for around 40°C daytime highs and 29.5°C at night.
Not quite — June is the 11th coolest month in Patna, averaging 34.8°C.
For June in Patna, pack light, breathable clothing and sun protection, with typical highs of 40°C and lows of 29.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 48% — relatively dry.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 3.5 m/s (2023).
The wettest June on record was 2008 with 464 mm. On average, June sees 142 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 Patna 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.
