July is one of the warmer months of the year in Sitamarhi, with average highs near 38°C and lows around 25.3°C (mean 31.7°C). It is a relatively wet time of year, averaging 303 mm of rainfall and 76% relative humidity across the period.
July is one of the warmer months of the year in Sitamarhi. Across 45 years of records, the warmest July in Sitamarhi was 1982 — when the month averaged 34.4°C — while the coldest was 1986 at 29.4°C. Typical July days reach 38°C with nights near 25.3°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 | 31.7°C | 32.3°C | 31.3°C | 31.6°C | 31.0°C | -0.7°C |
| Avg High | 38.5°C | 39.3°C | 37.3°C | 37.9°C | 36.3°C | -2.2°C |
| Avg Low | 24.9°C | 25.4°C | 25.2°C | 25.2°C | 25.8°C | +0.9°C |
| Avg Rain | 355 mm | 265 mm | 310 mm | 276 mm | 322 mm | -33 mm |
July temperatures in Sitamarhi have fallen by about 0.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 23.5°C (1986) to a record high of 43.3°C (1992).
Rainfall in July is a relatively wet time of year, averaging 303 mm, with a wettest year of 616 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, July — with days averaging 38°C and nights around 25.3°C (mean 31.7°C) and higher rainfall (303 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 | 39.1°C | 25.9°C | 32.5°C | 175 mm | 69% | 3.3 m/s | 5.3 |
| 2024 | 38.2°C | 26.8°C | 32.5°C | 279 mm | 81% | 2.7 m/s | 4.7 |
| 2023 | 36.0°C | 26.1°C | 31.0°C | 322 mm | 82% | 2.5 m/s | 4.7 |
| 2022 | 37.0°C | 25.1°C | 31.1°C | 190 mm | 77% | 2.6 m/s | 5.4 |
| 2021 | 33.5°C | 25.4°C | 29.5°C | 353 mm | 87% | 2.2 m/s | 4.6 |
| 2020 🌧️ | 33.8°C | 25.3°C | 29.5°C | 616 mm | 89% | 2.2 m/s | 3.7 |
| 2019 | 39.4°C | 25.1°C | 32.3°C | 396 mm | 78% | 2.9 m/s | 4.3 |
| 2018 | 41.3°C | 26.0°C | 33.6°C | 231 mm | 67% | 3.3 m/s | 4.9 |
| 2017 | 35.9°C | 24.4°C | 30.1°C | 269 mm | 81% | 3.2 m/s | 4.7 |
| 2016 | 37.0°C | 25.3°C | 31.2°C | 275 mm | 80% | 2.8 m/s | 4.4 |
| 2015 | 39.9°C | 25.3°C | 32.6°C | 298 mm | 78% | 2.4 m/s | 5.1 |
| 2014 | 36.0°C | 26.2°C | 31.1°C | 245 mm | 79% | 2.2 m/s | 5.1 |
| 2013 | 35.6°C | 25.6°C | 30.6°C | 170 mm | 76% | 1.9 m/s | 5.3 |
| 2012 | 40.1°C | 25.2°C | 32.7°C | 403 mm | 77% | 2.3 m/s | 4.7 |
| 2011 | 34.4°C | 25.2°C | 29.8°C | 204 mm | 84% | 2.3 m/s | 5 |
| 2010 | 39.9°C | 24.1°C | 32.0°C | 270 mm | 75% | 3 m/s | 5.1 |
| 2009 | 39.8°C | 25.7°C | 32.8°C | 251 mm | 67% | 3 m/s | 5.5 |
| 2008 | 34.1°C | 25.1°C | 29.6°C | 458 mm | 88% | 2.1 m/s | 4.5 |
| 2007 | 37.9°C | 24.6°C | 31.3°C | 491 mm | 80% | 2.5 m/s | 3.7 |
| 2006 | 36.9°C | 24.8°C | 30.9°C | 361 mm | 80% | 2.7 m/s | 4.9 |
| 2005 | 37.2°C | 24.9°C | 31.1°C | 383 mm | 80% | 2.9 m/s | 5.1 |
| 2004 | 36.0°C | 24.9°C | 30.5°C | 353 mm | 84% | 2.8 m/s | 4.4 |
| 2003 | 36.9°C | 25.3°C | 31.1°C | 238 mm | 78% | 2.8 m/s | 5.1 |
| 2002 | 40.3°C | 25.9°C | 33.1°C | 205 mm | 68% | 2 m/s | 4.2 |
| 2001 | 37.3°C | 25.7°C | 31.5°C | 183 mm | 74% | 2.9 m/s | 5.3 |
| 2000 | 36.8°C | 25.3°C | 31.0°C | 180 mm | 78% | 2.6 m/s | 5.2 |
| 1999 | 37.5°C | 25.0°C | 31.2°C | 194 mm | 72% | 2.8 m/s | 4.9 |
| 1998 | 38.6°C | 25.5°C | 32.0°C | 272 mm | 78% | 3 m/s | 4.8 |
| 1997 | 36.7°C | 25.6°C | 31.2°C | 472 mm | 80% | 2.1 m/s | 5.3 |
| 1996 | 40.2°C | 25.3°C | 32.7°C | 239 mm | 74% | 2.3 m/s | 5 |
| 1995 | 39.2°C | 25.3°C | 32.3°C | 315 mm | 76% | 2.8 m/s | 5.5 |
| 1994 | 40.6°C | 25.6°C | 33.1°C | 190 mm | 68% | 2.8 m/s | 5.4 |
| 1993 | 39.8°C | 26.2°C | 33.0°C | 128 mm | 63% | 3 m/s | 5 |
| 1992 | 43.3°C | 24.8°C | 34.0°C | 189 mm | 63% | 3 m/s | 5.3 |
| 1991 | 40.3°C | 26.2°C | 33.2°C | 116 mm | 64% | 3.4 m/s | 4.7 |
| 1990 | 36.4°C | 24.1°C | 30.3°C | 536 mm | 80% | 2.7 m/s | 4.8 |
| 1989 | 39.8°C | 25.0°C | 32.4°C | 291 mm | 72% | 2.5 m/s | 5.1 |
| 1988 | 37.9°C | 25.8°C | 31.9°C | 320 mm | 80% | 2.5 m/s | 4.8 |
| 1987 | 42.5°C | 23.7°C | 33.1°C | 375 mm | 78% | 2.5 m/s | 4.4 |
| 1986 ❄️ | 35.3°C | 23.5°C | 29.4°C | 398 mm | 83% | 3.1 m/s | 5.3 |
| 1985 | 37.6°C | 23.9°C | 30.7°C | 517 mm | 78% | 2.7 m/s | 5.1 |
| 1984 | 34.6°C | 24.8°C | 29.7°C | 295 mm | 83% | 2.2 m/s | 4.2 |
| 1983 | 41.6°C | 26.0°C | 33.8°C | 215 mm | 65% | 2.1 m/s | — |
| 1982 🔥 | 42.7°C | 26.2°C | 34.4°C | 221 mm | 65% | 2.8 m/s | — |
| 1981 | 34.9°C | 25.1°C | 30.0°C | 564 mm | 84% | 2.8 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 38°C with lows near 25.3°C (mean 31.7°C), based on 45 years of NASA POWER data.
July averages 303 mm of rainfall in Sitamarhi, a relatively wet time of year. The wettest on record was 616 mm in 2020.
The hottest July reached 43.3°C in 1992. The coldest dipped to 23.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 0.4°C. Daytime highs moved from 38.3°C to 36.8°C and overnight lows from 25.2°C to 25.9°C over the same span.
July is one of the warmer months of the year in Sitamarhi and a relatively wet time of year, so plan for around 38°C daytime highs and 25.3°C at night.
Not quite — July is the 10th coolest month in Sitamarhi, averaging 31.7°C.
For July in Sitamarhi, pack light, breathable clothing and sun protection, with typical highs of 38°C and lows of 25.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 76% — quite humid.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3.4 m/s (1991).
The wettest July on record was 2020 with 616 mm. On average, July sees 303 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
