March is close to Sitamarhi's year-round average, with average highs near 39.4°C and lows around 12.3°C (mean 25.9°C). It is one of the drier months, averaging 15 mm of rainfall and 29% relative humidity across the period.
March is close to Sitamarhi's year-round average. Across 45 years of records, the warmest March in Sitamarhi was 2010 — when the month averaged 28.7°C — while the coldest was 1998 at 23.3°C. Typical March days reach 39.4°C with nights near 12.3°C. The long-term trend is warming, 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 | 25.3°C | 26.0°C | 25.6°C | 26.2°C | 26.2°C | +0.9°C |
| Avg High | 39.3°C | 39.8°C | 39.1°C | 39.6°C | 39.1°C | -0.2°C |
| Avg Low | 11.3°C | 12.3°C | 12.2°C | 12.7°C | 13.3°C | +2°C |
| Avg Rain | 16 mm | 6 mm | 11 mm | 13 mm | 41 mm | +26 mm |
March temperatures in Sitamarhi have risen by about 1.1°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 9.1°C (2003) to a record high of 42.7°C (1986).
Rainfall in March is one of the drier months, averaging 15 mm, with a wettest year of 108 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Sitamarhi
March is one of the best times to visit Sitamarhi. Expect days averaging 39.4°C and nights around 12.3°C (mean 25.9°C) — close to Sitamarhi's yearly average — with low rainfall (15 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 41.2°C | 12.7°C | 27.0°C | 108 mm | 35% | 1.9 m/s | 5.6 |
| 2024 | 39.8°C | 10.9°C | 25.4°C | 43 mm | 38% | 2.2 m/s | 5.2 |
| 2023 | 36.7°C | 15.7°C | 26.2°C | 29 mm | 39% | 1.9 m/s | 5 |
| 2022 | 38.8°C | 12.6°C | 25.7°C | 4 mm | 43% | 1.8 m/s | 5.6 |
| 2021 | 40.0°C | 14.2°C | 27.1°C | 3 mm | 25% | 2.3 m/s | 5.5 |
| 2020 | 37.8°C | 13.5°C | 25.7°C | 61 mm | 51% | 2.2 m/s | 5.3 |
| 2019 | 38.6°C | 9.5°C | 24.0°C | 7 mm | 33% | 2.2 m/s | 5.6 |
| 2018 | 38.9°C | 14.6°C | 26.8°C | 5 mm | 22% | 2 m/s | 5.7 |
| 2017 | 40.9°C | 11.4°C | 26.2°C | 24 mm | 34% | 1.8 m/s | 5.3 |
| 2016 | 40.4°C | 16.4°C | 28.4°C | 10 mm | 24% | 2.4 m/s | 5.3 |
| 2015 | 37.5°C | 11.4°C | 24.5°C | 52 mm | 43% | 2.4 m/s | 5.2 |
| 2014 | 40.6°C | 11.7°C | 26.1°C | 9 mm | 40% | 2.1 m/s | 5.7 |
| 2013 | 38.7°C | 11.2°C | 25.0°C | 5 mm | 36% | 2.3 m/s | 5.8 |
| 2012 | 39.1°C | 12.6°C | 25.8°C | 9 mm | 26% | 2 m/s | 5.8 |
| 2011 | 39.3°C | 12.7°C | 26.0°C | 12 mm | 28% | 2.2 m/s | 5.6 |
| 2010 🔥 | 42.0°C | 15.4°C | 28.7°C | 0 mm | 22% | 2.2 m/s | 5.8 |
| 2009 | 37.3°C | 10.1°C | 23.7°C | 3 mm | 24% | 1.8 m/s | 5.6 |
| 2008 | 38.5°C | 13.1°C | 25.8°C | 11 mm | 34% | 1.7 m/s | 5.4 |
| 2007 | 38.2°C | 10.7°C | 24.4°C | 37 mm | 43% | 1.8 m/s | 5.7 |
| 2006 | 40.4°C | 13.8°C | 27.1°C | 16 mm | 28% | 2.1 m/s | 5.8 |
| 2005 | 39.6°C | 14.1°C | 26.8°C | 16 mm | 37% | 2.1 m/s | 5.5 |
| 2004 | 42.2°C | 11.8°C | 27.0°C | 9 mm | 28% | 1.9 m/s | 5.6 |
| 2003 | 38.2°C | 9.1°C | 23.7°C | 2 mm | 33% | 1.9 m/s | 5.7 |
| 2002 | 38.6°C | 14.6°C | 26.6°C | 14 mm | 28% | 1.7 m/s | 5.9 |
| 2001 | 38.9°C | 11.8°C | 25.3°C | 2 mm | 16% | 2 m/s | 5.9 |
| 2000 | 39.2°C | 12.6°C | 25.9°C | 3 mm | 16% | 1.9 m/s | 6.1 |
| 1999 | 40.3°C | 14.0°C | 27.2°C | 0 mm | 13% | 2.5 m/s | 6.2 |
| 1998 ❄️ | 36.8°C | 9.8°C | 23.3°C | 10 mm | 32% | 2.3 m/s | 5.3 |
| 1997 | 37.9°C | 12.9°C | 25.4°C | 1 mm | 16% | 2.2 m/s | 5.5 |
| 1996 | 40.3°C | 14.1°C | 27.2°C | 0 mm | 29% | 2.5 m/s | 5.8 |
| 1995 | 41.1°C | 11.8°C | 26.4°C | 5 mm | 22% | 2.6 m/s | 5.5 |
| 1994 | 41.8°C | 11.4°C | 26.6°C | 1 mm | 19% | 2.1 m/s | 6.3 |
| 1993 | 38.1°C | 11.8°C | 25.0°C | 31 mm | 28% | 2.5 m/s | 5.6 |
| 1992 | 42.2°C | 12.0°C | 27.1°C | 0 mm | 18% | 3.2 m/s | 6.1 |
| 1991 | 40.4°C | 13.5°C | 26.9°C | 5 mm | 19% | 2 m/s | 6.1 |
| 1990 | 38.9°C | 11.5°C | 25.2°C | 7 mm | 26% | 1.7 m/s | 5.9 |
| 1989 | 39.7°C | 9.2°C | 24.5°C | 10 mm | 23% | 2.3 m/s | 5.8 |
| 1988 | 37.3°C | 10.8°C | 24.1°C | 43 mm | 34% | 1.9 m/s | 5.6 |
| 1987 | 39.1°C | 12.7°C | 25.9°C | 12 mm | 25% | 1.7 m/s | 5.9 |
| 1986 | 42.7°C | 12.0°C | 27.3°C | 2 mm | 28% | 2.2 m/s | 6.2 |
| 1985 | 41.3°C | 11.7°C | 26.5°C | 1 mm | 14% | 2.2 m/s | 6.5 |
| 1984 | 41.6°C | 10.7°C | 26.2°C | 4 mm | 20% | 2 m/s | 6.2 |
| 1983 | 39.1°C | 12.5°C | 25.8°C | 3 mm | 17% | 2.6 m/s | — |
| 1982 | 37.1°C | 9.8°C | 23.5°C | 46 mm | 44% | 1.8 m/s | — |
| 1981 | 35.9°C | 12.3°C | 24.1°C | 22 mm | 35% | 2.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 39.4°C with lows near 12.3°C (mean 25.9°C), based on 45 years of NASA POWER data.
March averages 15 mm of rainfall in Sitamarhi, one of the drier months. The wettest on record was 108 mm in 2025.
The hottest March reached 42.7°C in 1986. The coldest dipped to 9.1°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.1°C. Daytime highs moved from 39°C to 39.3°C and overnight lows from 11.4°C to 13.2°C over the same span.
March is close to Sitamarhi's year-round average and one of the drier months, so plan for around 39.4°C daytime highs and 12.3°C at night.
Not quite — March is the 6th coolest month in Sitamarhi, averaging 25.9°C.
For March in Sitamarhi, pack light, breathable clothing and sun protection, with typical highs of 39.4°C and lows of 12.3°C.
Relative humidity in March averages 29% — relatively dry.
Average wind speed in March is 2.1 m/s. The windiest March on record averaged 3.2 m/s (1992).
The wettest March on record was 2025 with 108 mm. On average, March sees 15 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
