August is one of the warmer months of the year in Dumka, with average highs near 31.7°C and lows around 25.5°C (mean 28.6°C). It is a relatively wet time of year, averaging 204 mm of rainfall and 86% relative humidity across the period.
August is one of the warmer months of the year in Dumka. Across 45 years of records, the warmest August in Dumka was 1992 — when the month averaged 30°C — while the coldest was 2011 at 27.8°C. Typical August days reach 31.7°C with nights near 25.5°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in Dumka, averaging 204 mm of rainfall. The wettest August on record was 2011 with 383 mm, while the driest was 1989 at 85 mm.
Relative humidity in Dumka during August averages 86%. The most humid August was 2011 at 90%, and the least humid was 1992 at 75%.
August receives about 4.4 kWh/m²/day of solar energy in Dumka. The sunniest August was 1986 at 5.1 kWh/m²/day, and the cloudiest were 1993 and 2023 at 3.8.
Average wind speed in Dumka during August is 2.3 m/s. The windiest August was 1982 at 2.9 m/s, while the calmest were 2012 and 2018 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.9°C | 28.8°C | 28.3°C | 28.5°C | 28.6°C | -0.3°C |
| Avg High | 32.4°C | 32.0°C | 31.2°C | 31.4°C | 31.5°C | -0.9°C |
| Avg Low | 25.4°C | 25.6°C | 25.5°C | 25.5°C | 25.6°C | +0.2°C |
| Avg Rain | 161 mm | 176 mm | 212 mm | 233 mm | 258 mm | +97 mm |
August temperatures in Dumka have fallen by about 0.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 23.2°C (2011) to a record high of 37.9°C (1992).
Rainfall in August is a relatively wet time of year, averaging 204 mm, with a wettest year of 383 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0°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 November and February tend to be the most comfortable for visiting Dumka. That said, August — with days averaging 31.7°C and nights around 25.5°C (mean 28.6°C) and higher rainfall (204 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 | 31.0°C | 28.1°C | 25.3°C | 33.2°C | 24.2°C | 288 mm | 88% | 2 m/s | 4.1 |
| 2024 | 31.3°C | 28.4°C | 25.5°C | 33.3°C | 24.0°C | 329 mm | 88% | 2.1 m/s | 4.2 |
| 2023 | 32.0°C | 28.9°C | 25.7°C | 34.0°C | 24.6°C | 334 mm | 85% | 2.2 m/s | 3.8 |
| 2022 | 32.4°C | 29.0°C | 25.5°C | 34.6°C | 24.4°C | 180 mm | 83% | 2.7 m/s | 4.4 |
| 2021 | 31.0°C | 28.3°C | 25.6°C | 33.8°C | 24.3°C | 203 mm | 89% | 1.9 m/s | 4.2 |
| 2020 | 31.2°C | 28.6°C | 25.9°C | 33.7°C | 24.6°C | 213 mm | 88% | 2.3 m/s | 4.4 |
| 2019 | 32.1°C | 29.0°C | 26.0°C | 34.2°C | 25.1°C | 153 mm | 86% | 2.3 m/s | 4.6 |
| 2018 | 31.6°C | 28.7°C | 25.8°C | 33.5°C | 24.9°C | 231 mm | 87% | 1.8 m/s | 4.5 |
| 2017 | 30.8°C | 28.2°C | 25.6°C | 32.6°C | 24.5°C | 305 mm | 89% | 2 m/s | 4.4 |
| 2016 | 31.3°C | 28.3°C | 25.3°C | 33.5°C | 23.7°C | 243 mm | 87% | 2.5 m/s | 4.9 |
| 2015 | 31.4°C | 28.5°C | 25.6°C | 33.0°C | 24.0°C | 218 mm | 87% | 2.2 m/s | 4.3 |
| 2014 | 31.5°C | 28.6°C | 25.7°C | 33.0°C | 24.1°C | 263 mm | 87% | 2.1 m/s | 4.2 |
| 2013 | 30.8°C | 28.1°C | 25.4°C | 32.9°C | 24.5°C | 221 mm | 88% | 1.9 m/s | 4.4 |
| 2012 | 31.3°C | 28.4°C | 25.4°C | 32.9°C | 24.6°C | 175 mm | 87% | 1.8 m/s | 4.8 |
| 2011 ❄️ 🌧️ | 30.3°C | 27.8°C | 25.2°C | 34.2°C | 23.2°C | 383 mm | 90% | 2.2 m/s | 4 |
| 2010 | 32.4°C | 28.9°C | 25.3°C | 35.0°C | 24.4°C | 140 mm | 83% | 2.1 m/s | 4.9 |
| 2009 | 31.1°C | 28.4°C | 25.7°C | 33.6°C | 24.3°C | 337 mm | 88% | 2.1 m/s | 4.2 |
| 2008 | 30.9°C | 28.1°C | 25.3°C | 33.3°C | 24.2°C | 220 mm | 88% | 2.1 m/s | 4.7 |
| 2007 | 31.0°C | 28.1°C | 25.2°C | 33.7°C | 23.8°C | 218 mm | 88% | 1.9 m/s | 4.8 |
| 2006 | 31.1°C | 28.2°C | 25.3°C | 32.9°C | 23.8°C | 181 mm | 87% | 2.5 m/s | 4.5 |
| 2005 | 31.6°C | 28.6°C | 25.6°C | 33.5°C | 24.5°C | 269 mm | 86% | 1.9 m/s | 4.3 |
| 2004 | 31.1°C | 28.3°C | 25.6°C | 32.3°C | 24.9°C | 186 mm | 89% | 2.6 m/s | 4.9 |
| 2003 | 32.0°C | 28.9°C | 25.9°C | 33.9°C | 24.9°C | 98 mm | 86% | 2.3 m/s | 5 |
| 2002 | 30.7°C | 28.0°C | 25.3°C | 33.2°C | 24.0°C | 275 mm | 89% | 2.4 m/s | 4.3 |
| 2001 | 31.3°C | 28.5°C | 25.7°C | 32.9°C | 24.8°C | 155 mm | 88% | 2 m/s | 4.9 |
| 2000 | 31.4°C | 28.3°C | 25.2°C | 32.7°C | 24.1°C | 182 mm | 87% | 2.1 m/s | 4.6 |
| 1999 | 30.5°C | 27.9°C | 25.2°C | 32.2°C | 24.0°C | 306 mm | 89% | 2.3 m/s | 4 |
| 1998 | 30.9°C | 28.3°C | 25.7°C | 32.4°C | 24.8°C | 245 mm | 89% | 1.9 m/s | 4.2 |
| 1997 | 30.9°C | 28.2°C | 25.4°C | 33.0°C | 24.3°C | 234 mm | 88% | 2.4 m/s | 4.2 |
| 1996 | 31.3°C | 28.3°C | 25.3°C | 33.8°C | 23.8°C | 185 mm | 86% | 2 m/s | 4.3 |
| 1995 | 31.6°C | 28.6°C | 25.6°C | 34.8°C | 24.5°C | 201 mm | 85% | 2.4 m/s | 4.4 |
| 1994 | 32.6°C | 29.1°C | 25.6°C | 35.4°C | 24.3°C | 119 mm | 82% | 2.6 m/s | 4.5 |
| 1993 | 33.2°C | 29.6°C | 26.0°C | 35.8°C | 24.8°C | 114 mm | 79% | 2.4 m/s | 3.8 |
| 1992 🔥 | 34.3°C | 30.0°C | 25.7°C | 37.9°C | 24.3°C | 108 mm | 75% | 2.6 m/s | 4.5 |
| 1991 | 33.4°C | 29.7°C | 26.0°C | 36.7°C | 25.0°C | 131 mm | 78% | 2.5 m/s | 4.2 |
| 1990 | 31.5°C | 28.4°C | 25.3°C | 33.7°C | 23.9°C | 116 mm | 86% | 2.2 m/s | 4.8 |
| 1989 | 33.0°C | 29.1°C | 25.2°C | 35.8°C | 23.8°C | 85 mm | 80% | 2.4 m/s | 4.7 |
| 1988 | 33.0°C | 29.4°C | 25.9°C | 35.8°C | 24.3°C | 180 mm | 81% | 2.3 m/s | 3.9 |
| 1987 | 31.9°C | 28.7°C | 25.5°C | 34.6°C | 24.5°C | 189 mm | 84% | 2.2 m/s | 4.2 |
| 1986 | 32.1°C | 28.6°C | 25.1°C | 35.2°C | 24.0°C | 100 mm | 83% | 2.3 m/s | 5.1 |
| 1985 | 33.8°C | 29.7°C | 25.6°C | 37.1°C | 24.6°C | 115 mm | 77% | 2.5 m/s | 4.8 |
| 1984 | 31.5°C | 28.3°C | 25.2°C | 33.5°C | 24.4°C | 193 mm | 85% | 2.5 m/s | 4.1 |
| 1983 | 33.3°C | 29.4°C | 25.6°C | 36.4°C | 24.5°C | 111 mm | 79% | 2.8 m/s | — |
| 1982 | 31.2°C | 28.2°C | 25.3°C | 33.8°C | 24.5°C | 222 mm | 87% | 2.9 m/s | — |
| 1981 | 31.6°C | 28.5°C | 25.4°C | 32.8°C | 24.8°C | 250 mm | 87% | 2.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.7°C with lows near 25.5°C (mean 28.6°C), based on 45 years of NASA POWER data.
August averages 204 mm of rainfall in Dumka, a relatively wet time of year. The wettest on record was 383 mm in 2011.
The hottest August reached 37.9°C in 1992. The coldest dipped to 23.2°C in 2011.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.4°C to 25.5°C while daytime highs eased from 32.3°C to 31.5°C, narrowing the gap between day and night.
August is one of the warmer months of the year in Dumka and a relatively wet time of year, so plan for around 31.7°C daytime highs and 25.5°C at night.
Not quite — August is the 8th coolest month in Dumka, averaging 28.6°C.
For August in Dumka, pack light, breathable clothing and sun protection, with typical highs of 31.7°C and lows of 25.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 86% — quite humid.
Average wind speed in August is 2.3 m/s. The windiest August on record averaged 2.9 m/s (1982).
The wettest August on record was 2011 with 383 mm. On average, August sees 204 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 August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
