June is one of the warmer months of the year in Sitamarhi, with average highs near 43.6°C and lows around 25.9°C (mean 34.8°C). It is a relatively wet time of year, averaging 159 mm of rainfall and 53% relative humidity across the period.
June is one of the warmer months of the year in Sitamarhi. Across 45 years of records, the warmest June in Sitamarhi was 1998 — when the month averaged 37.5°C — while the coldest was 2021 at 31.5°C. Typical June days reach 43.6°C with nights near 25.9°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 | 35.1°C | 35.3°C | 34.1°C | 35.0°C | 33.9°C | -1.2°C |
| Avg High | 44.4°C | 44.8°C | 42.4°C | 43.6°C | 42.1°C | -2.3°C |
| Avg Low | 25.7°C | 25.9°C | 25.7°C | 26.5°C | 25.7°C | 0°C |
| Avg Rain | 126 mm | 117 mm | 215 mm | 144 mm | 213 mm | +87 mm |
June temperatures in Sitamarhi have fallen by about 1.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 23.5°C (1981) to a record high of 47.7°C (1983).
Rainfall in June is a relatively wet time of year, averaging 159 mm, with a wettest year of 474 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Sitamarhi
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Sitamarhi. That said, June — with days averaging 43.6°C and nights around 25.9°C (mean 34.8°C) and higher rainfall (159 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 | 42.2°C | 25.1°C | 33.6°C | 127 mm | 56% | 3 m/s | 5.5 |
| 2024 | 46.3°C | 26.8°C | 36.6°C | 162 mm | 55% | 2.6 m/s | 5.3 |
| 2023 | 45.5°C | 26.8°C | 36.1°C | 114 mm | 43% | 3.2 m/s | 6.1 |
| 2022 | 41.3°C | 25.1°C | 33.2°C | 236 mm | 62% | 2.3 m/s | 5.1 |
| 2021 ❄️ | 37.8°C | 25.2°C | 31.5°C | 291 mm | 80% | 2.5 m/s | 4.3 |
| 2020 | 39.7°C | 25.4°C | 32.5°C | 347 mm | 72% | 2.9 m/s | 4.5 |
| 2019 | 46.0°C | 28.0°C | 37.0°C | 67 mm | 45% | 2.9 m/s | 5.8 |
| 2018 | 42.4°C | 27.0°C | 34.7°C | 101 mm | 54% | 2.7 m/s | 5.5 |
| 2017 | 43.0°C | 26.9°C | 34.9°C | 122 mm | 52% | 2.3 m/s | 5.4 |
| 2016 | 42.9°C | 27.1°C | 35.0°C | 142 mm | 55% | 2.1 m/s | 5.7 |
| 2015 | 45.3°C | 26.2°C | 35.8°C | 160 mm | 49% | 2.4 m/s | 5.8 |
| 2014 | 43.7°C | 27.3°C | 35.5°C | 178 mm | 50% | 1.6 m/s | 5.8 |
| 2013 | 40.4°C | 23.5°C | 31.9°C | 198 mm | 62% | 2.1 m/s | 4.9 |
| 2012 | 46.4°C | 27.6°C | 37.0°C | 58 mm | 43% | 2.5 m/s | 5.7 |
| 2011 | 41.9°C | 25.4°C | 33.7°C | 325 mm | 61% | 2.7 m/s | 5.3 |
| 2010 | 43.8°C | 26.0°C | 34.9°C | 92 mm | 50% | 3 m/s | 5.8 |
| 2009 | 43.1°C | 24.3°C | 33.7°C | 109 mm | 45% | 2.3 m/s | 6 |
| 2008 🌧️ | 39.9°C | 25.0°C | 32.4°C | 474 mm | 72% | 2.7 m/s | 5.1 |
| 2007 | 43.3°C | 26.1°C | 34.7°C | 181 mm | 58% | 3 m/s | 5.3 |
| 2006 | 43.2°C | 25.0°C | 34.1°C | 227 mm | 63% | 2 m/s | 5.4 |
| 2005 | 46.4°C | 26.7°C | 36.5°C | 107 mm | 42% | 2.7 m/s | 6 |
| 2004 | 40.4°C | 26.0°C | 33.2°C | 198 mm | 61% | 2.9 m/s | 5.5 |
| 2003 | 43.0°C | 26.7°C | 34.9°C | 225 mm | 52% | 2.4 m/s | 5.2 |
| 2002 | 41.2°C | 26.0°C | 33.6°C | 97 mm | 54% | 2.7 m/s | 5.7 |
| 2001 | 41.4°C | 25.9°C | 33.6°C | 236 mm | 63% | 3.3 m/s | 5.7 |
| 2000 | 42.3°C | 25.4°C | 33.8°C | 296 mm | 68% | 2.6 m/s | 5.5 |
| 1999 | 44.4°C | 26.4°C | 35.4°C | 128 mm | 49% | 3 m/s | 5.2 |
| 1998 🔥 | 47.4°C | 27.6°C | 37.5°C | 58 mm | 44% | 3.1 m/s | 6.4 |
| 1997 | 46.1°C | 24.7°C | 35.4°C | 76 mm | 40% | 2.8 m/s | 6.1 |
| 1996 | 44.6°C | 26.1°C | 35.4°C | 170 mm | 50% | 2.4 m/s | 6.2 |
| 1995 | 43.9°C | 27.0°C | 35.4°C | 114 mm | 49% | 2.9 m/s | 5.6 |
| 1994 | 45.2°C | 26.1°C | 35.7°C | 106 mm | 48% | 3.4 m/s | 6.3 |
| 1993 | 43.4°C | 25.2°C | 34.3°C | 145 mm | 45% | 3 m/s | 6.1 |
| 1992 | 44.1°C | 23.6°C | 33.9°C | 85 mm | 43% | 2.7 m/s | 6.6 |
| 1991 | 42.6°C | 26.0°C | 34.3°C | 118 mm | 53% | 2.9 m/s | 5.4 |
| 1990 | 45.8°C | 26.5°C | 36.1°C | 170 mm | 49% | 2.9 m/s | 6.3 |
| 1989 | 42.6°C | 26.4°C | 34.5°C | 66 mm | 50% | 3.3 m/s | 6.3 |
| 1988 | 43.1°C | 24.9°C | 34.0°C | 146 mm | 52% | 2.8 m/s | 6.2 |
| 1987 | 45.9°C | 26.0°C | 35.9°C | 59 mm | 38% | 2.8 m/s | 6.1 |
| 1986 | 44.5°C | 24.8°C | 34.7°C | 132 mm | 41% | 3 m/s | 6.4 |
| 1985 | 44.8°C | 27.3°C | 36.0°C | 67 mm | 42% | 2.8 m/s | 6.7 |
| 1984 | 43.5°C | 25.8°C | 34.7°C | 279 mm | 68% | 3 m/s | 5.5 |
| 1983 | 47.7°C | 27.1°C | 37.4°C | 122 mm | 38% | 2.8 m/s | — |
| 1982 | 43.2°C | 25.7°C | 34.4°C | 145 mm | 52% | 2.4 m/s | — |
| 1981 | 44.7°C | 23.5°C | 34.1°C | 115 mm | 49% | 2.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 43.6°C with lows near 25.9°C (mean 34.8°C), based on 45 years of NASA POWER data.
June averages 159 mm of rainfall in Sitamarhi, a relatively wet time of year. The wettest on record was 474 mm in 2008.
The hottest June reached 47.7°C in 1983. The coldest dipped to 23.5°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have fallen by about 1.1°C. Daytime highs moved from 44.8°C to 42.6°C and overnight lows from 25.9°C to 25.8°C over the same span.
June is one of the warmer months of the year in Sitamarhi and a relatively wet time of year, so plan for around 43.6°C daytime highs and 25.9°C at night.
Not quite — June is the 12th coolest month in Sitamarhi, averaging 34.8°C.
For June in Sitamarhi, pack light, breathable clothing and sun protection, with typical highs of 43.6°C and lows of 25.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 53% — relatively dry.
Average wind speed in June is 2.7 m/s. The windiest June on record averaged 3.4 m/s (1994).
The wettest June on record was 2008 with 474 mm. On average, June sees 159 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 Sitamarhi 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.
