July is one of the warmer months of the year in Dumka, with average highs near 35.7°C and lows around 24.8°C (mean 30.3°C). It is a relatively wet time of year, averaging 239 mm of rainfall and 82% relative humidity across the period.
July is one of the warmer months of the year in Dumka. Across 45 years of records, the warmest July in Dumka was 1992 — when the month averaged 33.5°C — while the coldest was 2004 at 28.7°C. Typical July days reach 35.7°C with nights near 24.8°C. The long-term trend is cooling, about 0.3°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.9°C | 30.6°C | 29.7°C | 30.0°C | 29.8°C | -1.1°C |
| Avg High | 37.4°C | 36.2°C | 34.5°C | 35.2°C | 34.6°C | -2.8°C |
| Avg Low | 24.4°C | 25.0°C | 24.8°C | 24.7°C | 25.1°C | +0.7°C |
| Avg Rain | 197 mm | 195 mm | 270 mm | 283 mm | 251 mm | +54 mm |
July temperatures in Dumka have fallen by about 0.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 22.5°C (1989) to a record high of 41.8°C (1992).
Rainfall in July is a relatively wet time of year, averaging 239 mm, with a wettest year of 495 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.7°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Dumka
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Dumka. That said, July — with days averaging 35.7°C and nights around 24.8°C (mean 30.3°C) and higher rainfall (239 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 | 34.0°C | 24.9°C | 29.4°C | 353 mm | 86% | 2.5 m/s | 3.9 |
| 2024 | 35.2°C | 25.6°C | 30.4°C | 265 mm | 83% | 2.6 m/s | 4.6 |
| 2023 | 34.9°C | 25.3°C | 30.1°C | 186 mm | 82% | 2.5 m/s | 5 |
| 2022 | 37.4°C | 24.9°C | 31.2°C | 136 mm | 75% | 2.9 m/s | 5.1 |
| 2021 | 32.7°C | 25.1°C | 28.9°C | 274 mm | 87% | 2.4 m/s | 4.4 |
| 2020 | 33.6°C | 24.5°C | 29.0°C | 291 mm | 87% | 2.2 m/s | 3.8 |
| 2019 | 37.0°C | 24.6°C | 30.8°C | 289 mm | 81% | 2.7 m/s | 4.5 |
| 2018 | 35.0°C | 25.5°C | 30.2°C | 269 mm | 82% | 2.7 m/s | 4.2 |
| 2017 | 33.2°C | 25.0°C | 29.1°C | 471 mm | 88% | 2.4 m/s | 3.7 |
| 2016 | 36.4°C | 24.0°C | 30.2°C | 338 mm | 85% | 2.7 m/s | 4.2 |
| 2015 | 35.8°C | 24.6°C | 30.2°C | 348 mm | 85% | 2.3 m/s | 4.2 |
| 2014 | 35.1°C | 25.0°C | 30.1°C | 269 mm | 85% | 2.5 m/s | 4.3 |
| 2013 | 33.6°C | 25.1°C | 29.3°C | 171 mm | 86% | 2.4 m/s | 4.9 |
| 2012 | 36.7°C | 24.9°C | 30.8°C | 302 mm | 81% | 2.1 m/s | 4.2 |
| 2011 | 33.9°C | 24.0°C | 29.0°C | 176 mm | 85% | 2.3 m/s | 4.8 |
| 2010 | 35.3°C | 24.3°C | 29.8°C | 195 mm | 83% | 2.8 m/s | 4.9 |
| 2009 | 36.2°C | 25.4°C | 30.8°C | 283 mm | 79% | 2.6 m/s | 4.4 |
| 2008 | 33.2°C | 24.9°C | 29.0°C | 207 mm | 87% | 2.1 m/s | 4.1 |
| 2007 🌧️ | 33.9°C | 24.7°C | 29.3°C | 495 mm | 87% | 2.7 m/s | 3.8 |
| 2006 | 33.3°C | 24.5°C | 28.9°C | 258 mm | 86% | 2.5 m/s | 4.5 |
| 2005 | 35.7°C | 24.5°C | 30.1°C | 310 mm | 84% | 2.5 m/s | 4.3 |
| 2004 ❄️ | 32.9°C | 24.5°C | 28.7°C | 348 mm | 87% | 2.6 m/s | 4.6 |
| 2003 | 34.2°C | 25.2°C | 29.7°C | 208 mm | 86% | 2.5 m/s | 4.8 |
| 2002 | 37.2°C | 25.3°C | 31.3°C | 190 mm | 84% | 2.3 m/s | 4 |
| 2001 | 33.3°C | 24.6°C | 29.0°C | 198 mm | 87% | 3 m/s | 4.6 |
| 2000 | 35.4°C | 24.4°C | 29.9°C | 199 mm | 84% | 2.7 m/s | 4.4 |
| 1999 | 34.1°C | 25.0°C | 29.5°C | 255 mm | 87% | 2.3 m/s | 4.4 |
| 1998 | 34.5°C | 25.2°C | 29.8°C | 348 mm | 86% | 2.5 m/s | 4.4 |
| 1997 | 33.3°C | 24.5°C | 28.9°C | 322 mm | 87% | 2.4 m/s | 4.3 |
| 1996 | 37.4°C | 24.7°C | 31.0°C | 125 mm | 79% | 2.5 m/s | 4.6 |
| 1995 | 36.2°C | 25.1°C | 30.6°C | 118 mm | 79% | 2.6 m/s | 4.3 |
| 1994 | 35.1°C | 24.9°C | 30.0°C | 154 mm | 80% | 2.9 m/s | 4.5 |
| 1993 | 37.4°C | 25.1°C | 31.3°C | 108 mm | 75% | 3 m/s | 4.8 |
| 1992 🔥 | 41.8°C | 25.1°C | 33.5°C | 106 mm | 71% | 2.6 m/s | 4.6 |
| 1991 | 38.6°C | 25.7°C | 32.2°C | 131 mm | 73% | 2.9 m/s | 4.5 |
| 1990 | 33.8°C | 24.3°C | 29.1°C | 277 mm | 84% | 2.2 m/s | 4.2 |
| 1989 | 37.8°C | 22.5°C | 30.2°C | 186 mm | 79% | 2.3 m/s | 4.6 |
| 1988 | 35.9°C | 25.4°C | 30.6°C | 118 mm | 81% | 2.3 m/s | 4.2 |
| 1987 | 41.0°C | 25.0°C | 33.0°C | 206 mm | 76% | 2.4 m/s | 4.1 |
| 1986 | 36.2°C | 23.8°C | 30.0°C | 245 mm | 81% | 2.7 m/s | 4.8 |
| 1985 | 37.6°C | 24.2°C | 30.9°C | 172 mm | 77% | 2.6 m/s | 4.4 |
| 1984 | 34.1°C | 24.5°C | 29.3°C | 137 mm | 82% | 2.5 m/s | 3.3 |
| 1983 | 40.5°C | 25.7°C | 33.1°C | 152 mm | 66% | 2.8 m/s | — |
| 1982 | 39.7°C | 24.5°C | 32.1°C | 181 mm | 79% | 2.5 m/s | — |
| 1981 | 34.2°C | 24.1°C | 29.2°C | 376 mm | 85% | 2.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 35.7°C with lows near 24.8°C (mean 30.3°C), based on 45 years of NASA POWER data.
July averages 239 mm of rainfall in Dumka, a relatively wet time of year. The wettest on record was 495 mm in 2007.
The hottest July reached 41.8°C in 1992. The coldest dipped to 22.5°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 0.9°C. Daytime highs moved from 37.2°C to 34.8°C and overnight lows from 24.6°C to 25.2°C over the same span.
July is one of the warmer months of the year in Dumka and a relatively wet time of year, so plan for around 35.7°C daytime highs and 24.8°C at night.
Not quite — July is the 9th coolest month in Dumka, averaging 30.3°C.
For July in Dumka, pack light, breathable clothing and sun protection, with typical highs of 35.7°C and lows of 24.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 82% — quite humid.
Average wind speed in July is 2.5 m/s. The windiest July on record averaged 3 m/s (1993).
The wettest July on record was 2007 with 495 mm. On average, July sees 239 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 Dumka 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.
