March is close to Sitamarhi's year-round average, with average highs near 34.7°C and lows around 17.7°C (mean 26.2°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 2016 — when the month averaged 28.7°C — while the coldest was 1998 at 23.9°C. Typical March days reach 34.7°C with nights near 17.7°C. The long-term March temperature trend is broadly flat.
March is one of the drier months in Sitamarhi, averaging 15 mm of rainfall. The wettest March on record was 2025 with 108 mm, while the driest was 1999 at 0 mm.
Relative humidity in Sitamarhi during March averages 29%. The most humid March was 2020 at 51%, and the least humid was 1999 at 13%.
March receives about 5.7 kWh/m²/day of solar energy in Sitamarhi. The sunniest March was 1985 at 6.5 kWh/m²/day, and the cloudiest was 2023 at 5.
Average wind speed in Sitamarhi during March is 2.1 m/s. The windiest March was 1992 at 3.2 m/s, while the calmest were 1990, 2002 and 2008, among others at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 26.4°C | 26.1°C | 26.4°C | 26.1°C | +0.2°C |
| Avg High | 34.7°C | 35.3°C | 34.5°C | 34.8°C | 34.2°C | -0.5°C |
| Avg Low | 17.1°C | 17.6°C | 17.7°C | 18.0°C | 18.1°C | +1°C |
| Avg Rain | 16 mm | 6 mm | 11 mm | 13 mm | 41 mm | +26 mm |
March temperatures in Sitamarhi have risen by about 0.3°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 0.3°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 34.7°C and nights around 17.7°C (mean 26.2°C) — close to Sitamarhi's yearly average — with low rainfall (15 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 35.1°C | 26.6°C | 18.1°C | 41.2°C | 12.7°C | 108 mm | 35% | 1.9 m/s | 5.6 |
| 2024 | 33.2°C | 25.2°C | 17.2°C | 39.8°C | 10.9°C | 43 mm | 38% | 2.2 m/s | 5.2 |
| 2023 | 33.5°C | 26.0°C | 18.6°C | 36.7°C | 15.7°C | 29 mm | 39% | 1.9 m/s | 5 |
| 2022 | 35.2°C | 26.9°C | 18.7°C | 38.8°C | 12.6°C | 4 mm | 43% | 1.8 m/s | 5.6 |
| 2021 | 36.0°C | 27.4°C | 18.8°C | 40.0°C | 14.2°C | 3 mm | 25% | 2.3 m/s | 5.5 |
| 2020 | 32.1°C | 24.7°C | 17.3°C | 37.8°C | 13.5°C | 61 mm | 51% | 2.2 m/s | 5.3 |
| 2019 | 33.9°C | 25.7°C | 17.5°C | 38.6°C | 9.5°C | 7 mm | 33% | 2.2 m/s | 5.6 |
| 2018 | 36.3°C | 27.6°C | 18.9°C | 38.9°C | 14.6°C | 5 mm | 22% | 2 m/s | 5.7 |
| 2017 | 33.8°C | 25.7°C | 17.7°C | 40.9°C | 11.4°C | 24 mm | 34% | 1.8 m/s | 5.3 |
| 2016 🔥 | 36.9°C | 28.7°C | 20.4°C | 40.4°C | 16.4°C | 10 mm | 24% | 2.4 m/s | 5.3 |
| 2015 | 33.5°C | 25.6°C | 17.7°C | 37.5°C | 11.4°C | 52 mm | 43% | 2.4 m/s | 5.2 |
| 2014 | 33.1°C | 25.0°C | 16.8°C | 40.6°C | 11.7°C | 9 mm | 40% | 2.1 m/s | 5.7 |
| 2013 | 34.2°C | 25.6°C | 17.1°C | 38.7°C | 11.2°C | 5 mm | 36% | 2.3 m/s | 5.8 |
| 2012 | 34.0°C | 25.2°C | 16.5°C | 39.1°C | 12.6°C | 9 mm | 26% | 2 m/s | 5.8 |
| 2011 | 35.1°C | 26.7°C | 18.3°C | 39.3°C | 12.7°C | 12 mm | 28% | 2.2 m/s | 5.6 |
| 2010 | 37.2°C | 28.3°C | 19.3°C | 42.0°C | 15.4°C | 0 mm | 22% | 2.2 m/s | 5.8 |
| 2009 | 35.3°C | 26.8°C | 18.3°C | 37.3°C | 10.1°C | 3 mm | 24% | 1.8 m/s | 5.6 |
| 2008 | 34.0°C | 25.7°C | 17.5°C | 38.5°C | 13.1°C | 11 mm | 34% | 1.7 m/s | 5.4 |
| 2007 | 32.0°C | 24.0°C | 16.0°C | 38.2°C | 10.7°C | 37 mm | 43% | 1.8 m/s | 5.7 |
| 2006 | 34.5°C | 26.2°C | 18.0°C | 40.4°C | 13.8°C | 16 mm | 28% | 2.1 m/s | 5.8 |
| 2005 | 35.1°C | 27.2°C | 19.4°C | 39.6°C | 14.1°C | 16 mm | 37% | 2.1 m/s | 5.5 |
| 2004 | 36.1°C | 27.2°C | 18.3°C | 42.2°C | 11.8°C | 9 mm | 28% | 1.9 m/s | 5.6 |
| 2003 | 33.1°C | 25.1°C | 17.1°C | 38.2°C | 9.1°C | 2 mm | 33% | 1.9 m/s | 5.7 |
| 2002 | 34.9°C | 26.4°C | 17.8°C | 38.6°C | 14.6°C | 14 mm | 28% | 1.7 m/s | 5.9 |
| 2001 | 35.6°C | 26.7°C | 17.9°C | 38.9°C | 11.8°C | 2 mm | 16% | 2 m/s | 5.9 |
| 2000 | 34.6°C | 25.5°C | 16.5°C | 39.2°C | 12.6°C | 3 mm | 16% | 1.9 m/s | 6.1 |
| 1999 | 37.2°C | 27.4°C | 17.6°C | 40.3°C | 14.0°C | 0 mm | 13% | 2.5 m/s | 6.2 |
| 1998 ❄️ | 32.0°C | 23.9°C | 15.7°C | 36.8°C | 9.8°C | 10 mm | 32% | 2.3 m/s | 5.3 |
| 1997 | 35.4°C | 26.8°C | 18.1°C | 37.9°C | 12.9°C | 1 mm | 16% | 2.2 m/s | 5.5 |
| 1996 | 36.0°C | 27.3°C | 18.6°C | 40.3°C | 14.1°C | 0 mm | 29% | 2.5 m/s | 5.8 |
| 1995 | 35.6°C | 26.7°C | 17.8°C | 41.1°C | 11.8°C | 5 mm | 22% | 2.6 m/s | 5.5 |
| 1994 | 36.3°C | 26.9°C | 17.5°C | 41.8°C | 11.4°C | 1 mm | 19% | 2.1 m/s | 6.3 |
| 1993 | 33.2°C | 24.7°C | 16.2°C | 38.1°C | 11.8°C | 31 mm | 28% | 2.5 m/s | 5.6 |
| 1992 | 36.9°C | 27.5°C | 18.1°C | 42.2°C | 12.0°C | 0 mm | 18% | 3.2 m/s | 6.1 |
| 1991 | 36.5°C | 27.6°C | 18.8°C | 40.4°C | 13.5°C | 5 mm | 19% | 2 m/s | 6.1 |
| 1990 | 33.4°C | 25.3°C | 17.2°C | 38.9°C | 11.5°C | 7 mm | 26% | 1.7 m/s | 5.9 |
| 1989 | 34.8°C | 26.0°C | 17.2°C | 39.7°C | 9.2°C | 10 mm | 23% | 2.3 m/s | 5.8 |
| 1988 | 33.6°C | 24.9°C | 16.1°C | 37.3°C | 10.8°C | 43 mm | 34% | 1.9 m/s | 5.6 |
| 1987 | 34.7°C | 26.1°C | 17.6°C | 39.1°C | 12.7°C | 12 mm | 25% | 1.7 m/s | 5.9 |
| 1986 | 34.7°C | 25.8°C | 16.9°C | 42.7°C | 12.0°C | 2 mm | 28% | 2.2 m/s | 6.2 |
| 1985 | 37.3°C | 27.4°C | 17.5°C | 41.3°C | 11.7°C | 1 mm | 14% | 2.2 m/s | 6.5 |
| 1984 | 36.4°C | 26.8°C | 17.2°C | 41.6°C | 10.7°C | 4 mm | 20% | 2 m/s | 6.2 |
| 1983 | 35.3°C | 26.3°C | 17.3°C | 39.1°C | 12.5°C | 3 mm | 17% | 2.6 m/s | — |
| 1982 | 31.7°C | 24.0°C | 16.3°C | 37.1°C | 9.8°C | 46 mm | 44% | 1.8 m/s | — |
| 1981 | 33.7°C | 25.8°C | 17.8°C | 35.9°C | 12.3°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 34.7°C with lows near 17.7°C (mean 26.2°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 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 17.2°C to 18.3°C while daytime highs eased from 34.9°C to 34.6°C, narrowing the gap between day and night.
March is close to Sitamarhi's year-round average and one of the drier months, so plan for around 34.7°C daytime highs and 17.7°C at night.
Not quite — March is the 6th coolest month in Sitamarhi, averaging 26.2°C.
For March in Sitamarhi, pack light, breathable clothing and sun protection, with typical highs of 34.7°C and lows of 17.7°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.
