July is one of the warmer months of the year in Supaul, with average highs near 36.7°C and lows around 25.2°C (mean 31°C). It is a relatively wet time of year, averaging 287 mm of rainfall and 80% relative humidity across the period.
July is one of the warmer months of the year in Supaul. Across 45 years of records, the warmest Julys in Supaul were 1982 and 1992 — when the month averaged 33.3°C — while the coldest was 2017 at 28.9°C. Typical July days reach 36.7°C with nights near 25.2°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 | 30.7°C | 31.9°C | 30.9°C | 30.6°C | 30.2°C | -0.5°C |
| Avg High | 36.9°C | 38.6°C | 36.6°C | 36.0°C | 34.8°C | -2.1°C |
| Avg Low | 24.6°C | 25.3°C | 25.3°C | 25.2°C | 25.7°C | +1.1°C |
| Avg Rain | 328 mm | 201 mm | 272 mm | 325 mm | 333 mm | +5 mm |
July temperatures in Supaul have fallen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 23.6°C (1987) to a record high of 42.3°C (1992).
Rainfall in July is a relatively wet time of year, averaging 287 mm, with a wettest year of 515 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.7°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Supaul
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Supaul. That said, July — with days averaging 36.7°C and nights around 25.2°C (mean 31°C) and higher rainfall (287 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 | 36.2°C | 25.5°C | 30.9°C | 224 mm | 80% | 3.1 m/s | 5.3 |
| 2024 | 35.4°C | 26.4°C | 30.9°C | 337 mm | 86% | 2.6 m/s | 4.5 |
| 2023 | 35.1°C | 26.0°C | 30.5°C | 296 mm | 85% | 2.2 m/s | 4.7 |
| 2022 | 34.0°C | 25.3°C | 29.6°C | 184 mm | 85% | 2.3 m/s | 5.4 |
| 2021 | 34.6°C | 25.5°C | 30.0°C | 465 mm | 88% | 2.1 m/s | 4.5 |
| 2020 | 33.4°C | 25.3°C | 29.3°C | 494 mm | 90% | 2 m/s | 3.8 |
| 2019 🌧️ | 38.7°C | 25.2°C | 32.0°C | 515 mm | 83% | 2.7 m/s | 4.3 |
| 2018 | 38.5°C | 26.1°C | 32.3°C | 277 mm | 77% | 3 m/s | 4.8 |
| 2017 ❄️ | 33.9°C | 23.9°C | 28.9°C | 339 mm | 87% | 2.9 m/s | 4.7 |
| 2016 | 34.0°C | 25.1°C | 29.6°C | 427 mm | 87% | 2.6 m/s | 4.3 |
| 2015 | 37.9°C | 25.1°C | 31.5°C | 213 mm | 82% | 2.2 m/s | 4.9 |
| 2014 | 34.8°C | 26.1°C | 30.5°C | 252 mm | 85% | 2.2 m/s | 4.9 |
| 2013 | 34.4°C | 25.4°C | 29.9°C | 250 mm | 83% | 1.9 m/s | 4.9 |
| 2012 | 37.8°C | 25.2°C | 31.5°C | 382 mm | 81% | 2.3 m/s | 4.5 |
| 2011 | 33.7°C | 25.1°C | 29.4°C | 274 mm | 85% | 2.2 m/s | 4.7 |
| 2010 | 36.3°C | 25.1°C | 30.7°C | 321 mm | 84% | 2.6 m/s | 4.9 |
| 2009 | 39.2°C | 25.9°C | 32.5°C | 302 mm | 73% | 2.8 m/s | 5 |
| 2008 | 33.7°C | 25.3°C | 29.5°C | 224 mm | 86% | 2.1 m/s | 4.8 |
| 2007 | 36.1°C | 25.1°C | 30.6°C | 397 mm | 82% | 2.5 m/s | 3.8 |
| 2006 | 35.5°C | 25.0°C | 30.2°C | 264 mm | 83% | 2.6 m/s | 4.9 |
| 2005 | 36.5°C | 24.8°C | 30.6°C | 361 mm | 83% | 2.7 m/s | 4.9 |
| 2004 | 34.4°C | 25.1°C | 29.7°C | 439 mm | 87% | 2.6 m/s | 4.2 |
| 2003 | 35.9°C | 24.8°C | 30.3°C | 273 mm | 84% | 2.6 m/s | 4.9 |
| 2002 | 39.4°C | 25.3°C | 32.3°C | 197 mm | 75% | 2.2 m/s | 4 |
| 2001 | 38.1°C | 25.8°C | 31.9°C | 138 mm | 73% | 3.2 m/s | 5.1 |
| 2000 | 36.8°C | 25.5°C | 31.1°C | 123 mm | 75% | 2.8 m/s | 4.9 |
| 1999 | 36.5°C | 24.6°C | 30.6°C | 177 mm | 78% | 2.9 m/s | 4.8 |
| 1998 | 36.9°C | 25.6°C | 31.2°C | 272 mm | 83% | 2.9 m/s | 4.6 |
| 1997 | 36.2°C | 25.5°C | 30.8°C | 351 mm | 82% | 2.4 m/s | 5 |
| 1996 | 40.6°C | 25.6°C | 33.1°C | 193 mm | 75% | 2.4 m/s | 4.6 |
| 1995 | 37.3°C | 25.4°C | 31.3°C | 213 mm | 77% | 2.8 m/s | 5.2 |
| 1994 | 39.6°C | 25.8°C | 32.7°C | 115 mm | 67% | 3 m/s | 5.1 |
| 1993 | 39.5°C | 25.7°C | 32.6°C | 80 mm | 64% | 3.3 m/s | 5 |
| 1992 | 42.3°C | 24.4°C | 33.3°C | 207 mm | 69% | 2.8 m/s | 5.3 |
| 1991 | 39.6°C | 26.1°C | 32.8°C | 98 mm | 69% | 3.3 m/s | 4.4 |
| 1990 | 37.2°C | 24.1°C | 30.6°C | 305 mm | 79% | 2.7 m/s | 4.8 |
| 1989 | 36.7°C | 23.6°C | 30.2°C | 290 mm | 80% | 2.1 m/s | 5 |
| 1988 | 35.4°C | 25.5°C | 30.4°C | 318 mm | 83% | 2.3 m/s | 4.6 |
| 1987 | 37.6°C | 23.6°C | 30.6°C | 265 mm | 79% | 2.7 m/s | 4.3 |
| 1986 | 35.2°C | 24.4°C | 29.8°C | 324 mm | 84% | 2.9 m/s | 5.4 |
| 1985 | 37.1°C | 23.9°C | 30.5°C | 433 mm | 81% | 2.6 m/s | 4.9 |
| 1984 | 34.2°C | 24.6°C | 29.4°C | 233 mm | 84% | 2 m/s | 4.2 |
| 1983 | 40.5°C | 25.3°C | 32.9°C | 344 mm | 72% | 1.9 m/s | — |
| 1982 🔥 | 41.2°C | 25.4°C | 33.3°C | 278 mm | 76% | 2.2 m/s | — |
| 1981 | 33.9°C | 25.1°C | 29.5°C | 470 mm | 86% | 2.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 36.7°C with lows near 25.2°C (mean 31°C), based on 45 years of NASA POWER data.
July averages 287 mm of rainfall in Supaul, a relatively wet time of year. The wettest on record was 515 mm in 2019.
The hottest July reached 42.3°C in 1992. The coldest dipped to 23.6°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 0.7°C. Daytime highs moved from 37.4°C to 35.1°C and overnight lows from 24.9°C to 25.7°C over the same span.
July is one of the warmer months of the year in Supaul and a relatively wet time of year, so plan for around 36.7°C daytime highs and 25.2°C at night.
Not quite — July is the 10th coolest month in Supaul, averaging 31°C.
For July in Supaul, pack light, breathable clothing and sun protection, with typical highs of 36.7°C and lows of 25.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 80% — quite humid.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3.3 m/s (1991).
The wettest July on record was 2019 with 515 mm. On average, July sees 287 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 Supaul 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.
