October is one of the cooler months of the year in Sitamarhi, with average highs near 33.6°C and lows around 16.6°C (mean 25.1°C). It is one of the drier months, averaging 50 mm of rainfall and 71% relative humidity across the period.
October is one of the cooler months of the year in Sitamarhi. Across 45 years of records, the warmest October in Sitamarhi was 2018 — when the month averaged 27.1°C — while the coldest was 2012 at 22.1°C. Typical October days reach 33.6°C with nights near 16.6°C. The long-term October temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.9°C | 25.4°C | 25.4°C | 24.7°C | 25.0°C | +0.1°C |
| Avg High | 33.9°C | 34.5°C | 33.8°C | 32.9°C | 32.4°C | -1.5°C |
| Avg Low | 15.9°C | 16.3°C | 17.0°C | 16.6°C | 17.7°C | +1.8°C |
| Avg Rain | 44 mm | 28 mm | 49 mm | 48 mm | 99 mm | +56 mm |
October temperatures in Sitamarhi have stayed relatively stable across the record.
October has ranged from a record low of 13°C (2012) to a record high of 37.2°C (1983).
Rainfall in October is one of the drier months, averaging 50 mm, with a wettest year of 234 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°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
October is one of the best times to visit Sitamarhi. Expect days averaging 33.6°C and nights around 16.6°C (mean 25.1°C) — cooler than Sitamarhi's yearly average — with moderate rainfall (50 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 31.4°C | 17.9°C | 24.7°C | 234 mm | 84% | 1.5 m/s | 3.9 |
| 2024 | 31.8°C | 20.3°C | 26.1°C | 17 mm | 84% | 1.6 m/s | 4.2 |
| 2023 | 31.8°C | 17.3°C | 24.6°C | 55 mm | 80% | 1.2 m/s | 4.5 |
| 2022 | 34.0°C | 17.6°C | 25.8°C | 89 mm | 80% | 1.3 m/s | 4.7 |
| 2021 | 32.9°C | 16.5°C | 24.7°C | 172 mm | 89% | 1.8 m/s | 4 |
| 2020 | 32.3°C | 16.6°C | 24.4°C | 30 mm | 80% | 0.9 m/s | 4.6 |
| 2019 | 31.1°C | 18.5°C | 24.8°C | 3 mm | 82% | 1.3 m/s | 4 |
| 2018 🔥 | 36.3°C | 18.0°C | 27.1°C | 14 mm | 57% | 1.3 m/s | 4.8 |
| 2017 | 35.0°C | 16.9°C | 25.9°C | 31 mm | 72% | 1.4 m/s | 4.4 |
| 2016 | 32.7°C | 17.7°C | 25.2°C | 52 mm | 78% | 1 m/s | 4.7 |
| 2015 | 33.7°C | 16.2°C | 24.9°C | 23 mm | 67% | 1.1 m/s | 4.8 |
| 2014 | 31.8°C | 15.9°C | 23.8°C | 56 mm | 81% | 1.2 m/s | 4.6 |
| 2013 | 32.5°C | 17.0°C | 24.8°C | 197 mm | 83% | 1.7 m/s | 3.7 |
| 2012 ❄️ | 31.2°C | 13.0°C | 22.1°C | 24 mm | 79% | 1.6 m/s | 5 |
| 2011 | 32.0°C | 16.5°C | 24.2°C | 7 mm | 76% | 1 m/s | 4.7 |
| 2010 | 32.8°C | 16.0°C | 24.4°C | 69 mm | 77% | 1.2 m/s | 4.4 |
| 2009 | 34.8°C | 15.3°C | 25.1°C | 69 mm | 69% | 1.5 m/s | 4.6 |
| 2008 | 31.8°C | 15.7°C | 23.7°C | 17 mm | 80% | 0.9 m/s | 4.9 |
| 2007 | 32.2°C | 17.1°C | 24.7°C | 30 mm | 83% | 1 m/s | 4.5 |
| 2006 | 32.1°C | 17.9°C | 25.0°C | 20 mm | 73% | 0.9 m/s | 4.9 |
| 2005 | 34.5°C | 18.4°C | 26.4°C | 105 mm | 72% | 1.4 m/s | 4.4 |
| 2004 | 32.4°C | 16.6°C | 24.5°C | 44 mm | 67% | 1.3 m/s | 4.7 |
| 2003 | 34.9°C | 16.4°C | 25.7°C | 81 mm | 67% | 1.7 m/s | 4.4 |
| 2002 | 36.2°C | 16.3°C | 26.2°C | 48 mm | 62% | 1.3 m/s | 4.8 |
| 2001 | 32.3°C | 19.0°C | 25.7°C | 77 mm | 77% | 1.3 m/s | 4.4 |
| 2000 | 36.3°C | 17.5°C | 26.9°C | 3 mm | 63% | 1.2 m/s | 5 |
| 1999 | 35.0°C | 18.4°C | 26.7°C | 80 mm | 69% | 1.5 m/s | 4.3 |
| 1998 | 33.5°C | 16.2°C | 24.9°C | 52 mm | 76% | 1.6 m/s | 4.7 |
| 1997 | 34.2°C | 17.1°C | 25.7°C | 21 mm | 63% | 1.3 m/s | 4.7 |
| 1996 | 33.0°C | 15.6°C | 24.3°C | 38 mm | 69% | 1.4 m/s | 4.8 |
| 1995 | 34.4°C | 16.9°C | 25.7°C | 12 mm | 61% | 1 m/s | 5.1 |
| 1994 | 34.3°C | 14.8°C | 24.6°C | 14 mm | 58% | 1.3 m/s | 5.1 |
| 1993 | 33.8°C | 14.7°C | 24.2°C | 7 mm | 62% | 1.1 m/s | 5.3 |
| 1992 | 37.0°C | 15.8°C | 26.4°C | 35 mm | 53% | 1.2 m/s | 4.8 |
| 1991 | 34.7°C | 17.6°C | 26.1°C | 1 mm | 59% | 1.1 m/s | 5.3 |
| 1990 | 35.0°C | 15.5°C | 25.2°C | 23 mm | 67% | 1.5 m/s | 4.8 |
| 1989 | 36.6°C | 15.9°C | 26.2°C | 24 mm | 57% | 1.2 m/s | 5.3 |
| 1988 | 33.6°C | 16.7°C | 25.2°C | 16 mm | 69% | 1.2 m/s | 5.2 |
| 1987 | 31.2°C | 15.5°C | 23.3°C | 58 mm | 82% | 1 m/s | 4.8 |
| 1986 | 33.7°C | 14.4°C | 24.1°C | 69 mm | 62% | 1.3 m/s | 4.9 |
| 1985 | 31.3°C | 15.5°C | 23.4°C | 148 mm | 83% | 1.2 m/s | 4.7 |
| 1984 | 33.7°C | 15.4°C | 24.6°C | 11 mm | 69% | 1.2 m/s | 5 |
| 1983 | 37.2°C | 16.8°C | 27.0°C | 58 mm | 60% | 1.5 m/s | — |
| 1982 | 35.1°C | 17.1°C | 26.1°C | 10 mm | 55% | 1.2 m/s | — |
| 1981 | 32.3°C | 15.9°C | 24.1°C | 1 mm | 71% | 1.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 33.6°C with lows near 16.6°C (mean 25.1°C), based on 45 years of NASA POWER data.
October averages 50 mm of rainfall in Sitamarhi, one of the drier months. The wettest on record was 234 mm in 2025.
The hottest October reached 37.2°C in 1983. The coldest dipped to 13°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.2°C. Daytime highs moved from 33.9°C to 32.4°C and overnight lows from 16.1°C to 17.9°C over the same span.
October is one of the cooler months of the year in Sitamarhi and one of the drier months, so plan for around 33.6°C daytime highs and 16.6°C at night.
Not quite — October is the 5th coolest month in Sitamarhi, averaging 25.1°C.
For October in Sitamarhi, pack light, breathable clothing and sun protection, with typical highs of 33.6°C and lows of 16.6°C.
Relative humidity in October averages 71% — moderately humid.
Average wind speed in October is 1.3 m/s. The windiest October on record averaged 1.8 m/s (2021).
The wettest October on record was 2025 with 234 mm. On average, October sees 50 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
