January is one of the cooler months of the year in Dumka, with average highs near 28.8°C and lows around 6.1°C (mean 17.5°C). It is one of the drier months, averaging 7 mm of rainfall and 51% relative humidity across the period.
January is one of the cooler months of the year in Dumka. Across 45 years of records, the warmest January in Dumka was 1990 — when the month averaged 20.4°C — while the coldest was 2013 at 14.9°C. Typical January days reach 28.8°C with nights near 6.1°C. The long-term trend is cooling, about 0.5°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.3°C | 18.2°C | 17.3°C | 16.6°C | 16.9°C | -1.4°C |
| Avg High | 29.9°C | 30.0°C | 28.4°C | 27.9°C | 27.6°C | -2.3°C |
| Avg Low | 6.7°C | 6.4°C | 6.1°C | 5.4°C | 6.2°C | -0.5°C |
| Avg Rain | 6 mm | 7 mm | 8 mm | 8 mm | 6 mm | +0 mm |
January temperatures in Dumka have fallen by about 1.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 1.9°C (2013) to a record high of 34.5°C (1990).
Rainfall in January is one of the drier months, averaging 7 mm, with a wettest year of 36 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.7°C per decade while lows fell 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Dumka
January is one of the best times to visit Dumka. Expect days averaging 28.8°C and nights around 6.1°C (mean 17.5°C) — cooler than Dumka's yearly average — with low rainfall (7 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 29.0°C | 7.2°C | 18.1°C | 0 mm | 64% | 1.5 m/s | 3.3 |
| 2024 | 25.5°C | 5.8°C | 15.7°C | 11 mm | 67% | 1.4 m/s | 2.9 |
| 2023 | 30.2°C | 6.7°C | 18.4°C | 0 mm | 53% | 1.7 m/s | 3.1 |
| 2022 | 25.4°C | 6.6°C | 16.0°C | 13 mm | 76% | 1.7 m/s | 3.1 |
| 2021 | 29.2°C | 5.9°C | 17.6°C | 0 mm | 59% | 1.3 m/s | 3 |
| 2020 | 26.3°C | 5.2°C | 15.8°C | 14 mm | 71% | 1.7 m/s | 3.1 |
| 2019 | 29.2°C | 6.6°C | 17.9°C | 3 mm | 47% | 1.6 m/s | 3.7 |
| 2018 | 25.9°C | 4.8°C | 15.3°C | 0 mm | 59% | 1.6 m/s | 3.5 |
| 2017 | 30.9°C | 5.5°C | 18.2°C | 3 mm | 55% | 1.8 m/s | 3.7 |
| 2016 | 29.2°C | 6.3°C | 17.7°C | 25 mm | 46% | 1.4 m/s | 3 |
| 2015 | 29.0°C | 6.1°C | 17.5°C | 21 mm | 56% | 2 m/s | 3.4 |
| 2014 | 26.4°C | 5.8°C | 16.1°C | 1 mm | 64% | 1.9 m/s | 3.4 |
| 2013 ❄️ | 27.9°C | 1.9°C | 14.9°C | 0 mm | 48% | 2.5 m/s | 3.6 |
| 2012 | 26.2°C | 5.3°C | 15.7°C | 21 mm | 64% | 1.6 m/s | 3.1 |
| 2011 | 28.0°C | 5.6°C | 16.8°C | 2 mm | 52% | 1.6 m/s | 3.4 |
| 2010 | 26.5°C | 6.2°C | 16.3°C | 0 mm | 55% | 1.7 m/s | 3.7 |
| 2009 | 30.6°C | 7.3°C | 18.9°C | 3 mm | 57% | 1.3 m/s | 3.3 |
| 2008 🌧️ | 27.4°C | 6.1°C | 16.7°C | 36 mm | 65% | 1.5 m/s | 3.2 |
| 2007 | 28.7°C | 6.2°C | 17.5°C | 0 mm | 50% | 1.4 m/s | 3.6 |
| 2006 | 27.8°C | 5.6°C | 16.7°C | 0 mm | 52% | 1.5 m/s | 3.9 |
| 2005 | 26.4°C | 7.6°C | 17.0°C | 15 mm | 64% | 1.4 m/s | 3.1 |
| 2004 | 27.5°C | 6.3°C | 16.9°C | 10 mm | 58% | 1.5 m/s | 3.5 |
| 2003 | 28.1°C | 4.8°C | 16.5°C | 2 mm | 51% | 1.5 m/s | 3.7 |
| 2002 | 28.9°C | 6.8°C | 17.9°C | 11 mm | 59% | 1.5 m/s | 3.6 |
| 2001 | 30.2°C | 5.2°C | 17.7°C | 1 mm | 42% | 1.7 m/s | 3.7 |
| 2000 | 28.6°C | 5.0°C | 16.8°C | 6 mm | 48% | 1.5 m/s | 4 |
| 1999 | 28.5°C | 6.1°C | 17.3°C | 0 mm | 56% | 1.6 m/s | 4.3 |
| 1998 | 27.5°C | 5.6°C | 16.6°C | 21 mm | 57% | 1.7 m/s | 3.5 |
| 1997 | 28.9°C | 7.1°C | 18.0°C | 5 mm | 30% | 1.8 m/s | 3.8 |
| 1996 | 28.4°C | 6.9°C | 17.7°C | 8 mm | 48% | 2 m/s | 4 |
| 1995 | 28.8°C | 6.7°C | 17.7°C | 7 mm | 34% | 2 m/s | 3.8 |
| 1994 | 31.8°C | 7.3°C | 19.5°C | 13 mm | 39% | 1.9 m/s | 3.9 |
| 1993 | 29.8°C | 6.5°C | 18.1°C | 11 mm | 35% | 2 m/s | 4 |
| 1992 | 30.8°C | 5.4°C | 18.1°C | 2 mm | 43% | 1.3 m/s | 4 |
| 1991 | 31.1°C | 6.1°C | 18.6°C | 4 mm | 41% | 1.7 m/s | 4.1 |
| 1990 🔥 | 34.5°C | 6.3°C | 20.4°C | 0 mm | 31% | 1.8 m/s | 4.3 |
| 1989 | 29.5°C | 5.1°C | 17.3°C | 1 mm | 32% | 2 m/s | 4.4 |
| 1988 | 29.8°C | 7.7°C | 18.8°C | 0 mm | 40% | 1.9 m/s | 4.4 |
| 1987 | 28.5°C | 5.0°C | 16.7°C | 3 mm | 46% | 1.5 m/s | 4.2 |
| 1986 | 30.7°C | 5.4°C | 18.0°C | 2 mm | 46% | 2 m/s | 4.3 |
| 1985 | 31.2°C | 8.6°C | 19.9°C | 3 mm | 41% | 1.7 m/s | 4 |
| 1984 | 28.9°C | 7.0°C | 17.9°C | 17 mm | 43% | 1.7 m/s | 3.9 |
| 1983 | 31.2°C | 7.3°C | 19.2°C | 1 mm | 32% | 1.6 m/s | — |
| 1982 | 29.7°C | 7.0°C | 18.3°C | 7 mm | 53% | 1.6 m/s | — |
| 1981 | 29.2°C | 7.2°C | 18.2°C | 22 mm | 58% | 1.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 28.8°C with lows near 6.1°C (mean 17.5°C), based on 45 years of NASA POWER data.
January averages 7 mm of rainfall in Dumka, one of the drier months. The wettest on record was 36 mm in 2008.
The hottest January reached 34.5°C in 1990. The coldest dipped to 1.9°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 1.5°C. Daytime highs moved from 30°C to 27.9°C and overnight lows from 7.4°C to 6.4°C over the same span.
January is one of the cooler months of the year in Dumka and one of the drier months, so plan for around 28.8°C daytime highs and 6.1°C at night.
Not quite — January is the 2nd coolest month in Dumka, averaging 17.5°C.
For January in Dumka, pack warm layers and a jacket for chilly mornings, with typical highs of 28.8°C and lows of 6.1°C.
Relative humidity in January averages 51% — relatively dry.
Average wind speed in January is 1.7 m/s. The windiest January on record averaged 2.5 m/s (2013).
The wettest January on record was 2008 with 36 mm. On average, January sees 7 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 January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
