July is one of the warmer months of the year in Sitamarhi, with average highs near 34°C and lows around 26.9°C (mean 30.5°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 Julys in Sitamarhi were 1983, 1991 and 1993 — when the month averaged 32.4°C — while the coldest was 2008 at 28.7°C. Typical July days reach 34°C with nights near 26.9°C. The long-term July temperature trend is broadly flat.
July is a relatively wet time of year in Sitamarhi, averaging 303 mm of rainfall. The wettest July on record was 2020 with 616 mm, while the driest was 1991 at 116 mm.
Relative humidity in Sitamarhi during July averages 76%. The most humid July was 2020 at 89%, and the least humid was 1992 at 63%.
July receives about 4.9 kWh/m²/day of solar energy in Sitamarhi. The sunniest Julys were 1995 and 2009 at 5.5 kWh/m²/day, and the cloudiest were 2007 and 2020 at 3.7.
Average wind speed in Sitamarhi during July is 2.6 m/s. The windiest July was 1991 at 3.4 m/s, while the calmest was 2013 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.2°C | 31.0°C | 30.3°C | 30.4°C | 30.2°C | 0°C |
| Avg High | 33.8°C | 35.0°C | 33.9°C | 33.9°C | 33.5°C | -0.3°C |
| Avg Low | 26.7°C | 27.1°C | 26.7°C | 27.0°C | 26.9°C | +0.2°C |
| Avg Rain | 355 mm | 265 mm | 310 mm | 276 mm | 322 mm | -33 mm |
July temperatures in Sitamarhi have stayed relatively stable across the record.
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 0.2°C per decade while lows rose 0°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 34°C and nights around 26.9°C (mean 30.5°C) and higher rainfall (303 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 35.8°C | 31.6°C | 27.4°C | 39.1°C | 25.9°C | 175 mm | 69% | 3.3 m/s | 5.3 |
| 2024 | 34.1°C | 30.9°C | 27.6°C | 38.2°C | 26.8°C | 279 mm | 81% | 2.7 m/s | 4.7 |
| 2023 | 33.4°C | 30.2°C | 26.9°C | 36.0°C | 26.1°C | 322 mm | 82% | 2.5 m/s | 4.7 |
| 2022 | 34.3°C | 30.5°C | 26.7°C | 37.0°C | 25.1°C | 190 mm | 77% | 2.6 m/s | 5.4 |
| 2021 | 32.0°C | 29.3°C | 26.5°C | 33.5°C | 25.4°C | 353 mm | 87% | 2.2 m/s | 4.6 |
| 2020 🌧️ | 31.2°C | 28.8°C | 26.3°C | 33.8°C | 25.3°C | 616 mm | 89% | 2.2 m/s | 3.7 |
| 2019 | 34.0°C | 30.8°C | 27.6°C | 39.4°C | 25.1°C | 396 mm | 78% | 2.9 m/s | 4.3 |
| 2018 | 36.5°C | 32.3°C | 28.1°C | 41.3°C | 26.0°C | 231 mm | 67% | 3.3 m/s | 4.9 |
| 2017 | 32.9°C | 29.7°C | 26.6°C | 35.9°C | 24.4°C | 269 mm | 81% | 3.2 m/s | 4.7 |
| 2016 | 33.4°C | 30.2°C | 26.9°C | 37.0°C | 25.3°C | 275 mm | 80% | 2.8 m/s | 4.4 |
| 2015 | 33.9°C | 30.3°C | 26.7°C | 39.9°C | 25.3°C | 298 mm | 78% | 2.4 m/s | 5.1 |
| 2014 | 33.6°C | 30.3°C | 27.1°C | 36.0°C | 26.2°C | 245 mm | 79% | 2.2 m/s | 5.1 |
| 2013 | 34.0°C | 30.3°C | 26.6°C | 35.6°C | 25.6°C | 170 mm | 76% | 1.9 m/s | 5.3 |
| 2012 | 33.9°C | 30.4°C | 26.9°C | 40.1°C | 25.2°C | 403 mm | 77% | 2.3 m/s | 4.7 |
| 2011 | 32.4°C | 29.3°C | 26.2°C | 34.4°C | 25.2°C | 204 mm | 84% | 2.3 m/s | 5 |
| 2010 | 34.6°C | 30.7°C | 26.8°C | 39.9°C | 24.1°C | 270 mm | 75% | 3 m/s | 5.1 |
| 2009 | 36.7°C | 32.2°C | 27.7°C | 39.8°C | 25.7°C | 251 mm | 67% | 3 m/s | 5.5 |
| 2008 ❄️ | 31.4°C | 28.7°C | 26.0°C | 34.1°C | 25.1°C | 458 mm | 88% | 2.1 m/s | 4.5 |
| 2007 | 33.1°C | 29.9°C | 26.6°C | 37.9°C | 24.6°C | 491 mm | 80% | 2.5 m/s | 3.7 |
| 2006 | 33.3°C | 29.9°C | 26.5°C | 36.9°C | 24.8°C | 361 mm | 80% | 2.7 m/s | 4.9 |
| 2005 | 33.1°C | 29.7°C | 26.4°C | 37.2°C | 24.9°C | 383 mm | 80% | 2.9 m/s | 5.1 |
| 2004 | 32.1°C | 29.0°C | 26.0°C | 36.0°C | 24.9°C | 353 mm | 84% | 2.8 m/s | 4.4 |
| 2003 | 33.7°C | 30.1°C | 26.6°C | 36.9°C | 25.3°C | 238 mm | 78% | 2.8 m/s | 5.1 |
| 2002 | 36.3°C | 31.8°C | 27.3°C | 40.3°C | 25.9°C | 205 mm | 68% | 2 m/s | 4.2 |
| 2001 | 35.2°C | 31.1°C | 27.1°C | 37.3°C | 25.7°C | 183 mm | 74% | 2.9 m/s | 5.3 |
| 2000 | 33.7°C | 30.2°C | 26.6°C | 36.8°C | 25.3°C | 180 mm | 78% | 2.6 m/s | 5.2 |
| 1999 | 35.1°C | 31.0°C | 26.8°C | 37.5°C | 25.0°C | 194 mm | 72% | 2.8 m/s | 4.9 |
| 1998 | 33.7°C | 30.4°C | 27.1°C | 38.6°C | 25.5°C | 272 mm | 78% | 3 m/s | 4.8 |
| 1997 | 33.1°C | 29.9°C | 26.8°C | 36.7°C | 25.6°C | 472 mm | 80% | 2.1 m/s | 5.3 |
| 1996 | 34.4°C | 30.6°C | 26.8°C | 40.2°C | 25.3°C | 239 mm | 74% | 2.3 m/s | 5 |
| 1995 | 34.0°C | 30.3°C | 26.7°C | 39.2°C | 25.3°C | 315 mm | 76% | 2.8 m/s | 5.5 |
| 1994 | 36.0°C | 31.8°C | 27.5°C | 40.6°C | 25.6°C | 190 mm | 68% | 2.8 m/s | 5.4 |
| 1993 | 37.1°C | 32.4°C | 27.7°C | 39.8°C | 26.2°C | 128 mm | 63% | 3 m/s | 5 |
| 1992 | 36.3°C | 31.7°C | 27.1°C | 43.3°C | 24.8°C | 189 mm | 63% | 3 m/s | 5.3 |
| 1991 | 36.9°C | 32.4°C | 28.0°C | 40.3°C | 26.2°C | 116 mm | 64% | 3.4 m/s | 4.7 |
| 1990 | 33.0°C | 29.7°C | 26.4°C | 36.4°C | 24.1°C | 536 mm | 80% | 2.7 m/s | 4.8 |
| 1989 | 34.7°C | 30.8°C | 26.9°C | 39.8°C | 25.0°C | 291 mm | 72% | 2.5 m/s | 5.1 |
| 1988 | 33.1°C | 29.9°C | 26.7°C | 37.9°C | 25.8°C | 320 mm | 80% | 2.5 m/s | 4.8 |
| 1987 | 33.5°C | 30.3°C | 27.0°C | 42.5°C | 23.7°C | 375 mm | 78% | 2.5 m/s | 4.4 |
| 1986 | 32.0°C | 28.9°C | 25.7°C | 35.3°C | 23.5°C | 398 mm | 83% | 3.1 m/s | 5.3 |
| 1985 | 32.4°C | 29.1°C | 25.8°C | 37.6°C | 23.9°C | 517 mm | 78% | 2.7 m/s | 5.1 |
| 1984 | 32.1°C | 29.0°C | 25.8°C | 34.6°C | 24.8°C | 295 mm | 83% | 2.2 m/s | 4.2 |
| 1983 🔥 | 36.8°C | 32.4°C | 28.0°C | 41.6°C | 26.0°C | 215 mm | 65% | 2.1 m/s | — |
| 1982 | 36.6°C | 32.1°C | 27.6°C | 42.7°C | 26.2°C | 221 mm | 65% | 2.8 m/s | — |
| 1981 | 32.6°C | 29.5°C | 26.5°C | 34.9°C | 25.1°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 34°C with lows near 26.9°C (mean 30.5°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 risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 26.7°C to 27°C while daytime highs eased from 34.1°C to 33.9°C, narrowing the gap between day and night.
July is one of the warmer months of the year in Sitamarhi and a relatively wet time of year, so plan for around 34°C daytime highs and 26.9°C at night.
Not quite — July is the 9th coolest month in Sitamarhi, averaging 30.5°C.
For July in Sitamarhi, pack light, breathable clothing and sun protection, with typical highs of 34°C and lows of 26.9°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.
