December is one of the cooler months of the year in Dhemaji, with average highs near 23.4°C and lows around 8.5°C (mean 16°C). It is one of the drier months, averaging 13 mm of rainfall and 72% relative humidity across the period.
December is one of the cooler months of the year in Dhemaji. Across 45 years of records, the warmest December in Dhemaji was 2016 — when the month averaged 18.2°C — while the coldest was 2009 at 14.2°C. Typical December days reach 23.4°C with nights near 8.5°C. The long-term trend is warming, 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 | 15.6°C | 15.5°C | 15.8°C | 16.6°C | 16.5°C | +0.9°C |
| Avg High | 23.2°C | 23.1°C | 23.4°C | 23.9°C | 23.5°C | +0.3°C |
| Avg Low | 8.1°C | 8.0°C | 8.2°C | 9.2°C | 9.5°C | +1.4°C |
| Avg Rain | 26 mm | 10 mm | 7 mm | 10 mm | 10 mm | -16 mm |
December temperatures in Dhemaji have risen by about 1.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 6.4°C (1991) to a record high of 25.8°C (1998).
Rainfall in December is one of the drier months, averaging 13 mm, with a wettest year of 76 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Dhemaji
December is a good time to visit Dhemaji, with days averaging 23.4°C and nights around 8.5°C (mean 16°C, cooler than Dhemaji's yearly average) and low rainfall. March and November are marginally more temperate, but December still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 23.0°C | 11.0°C | 17.0°C | 1 mm | 74% | 0.8 m/s | — |
| 2024 | 21.9°C | 9.5°C | 15.7°C | 1 mm | 74% | 0.9 m/s | 3.6 |
| 2023 | 24.6°C | 10.6°C | 17.6°C | 17 mm | 74% | 0.9 m/s | 3.4 |
| 2022 | 23.7°C | 8.6°C | 16.1°C | 21 mm | 81% | 0.9 m/s | 3.2 |
| 2021 | 24.4°C | 8.6°C | 16.5°C | 10 mm | 75% | 0.9 m/s | 3.5 |
| 2020 | 23.2°C | 8.9°C | 16.0°C | 9 mm | 82% | 0.9 m/s | 3.4 |
| 2019 | 23.4°C | 8.4°C | 15.9°C | 4 mm | 79% | 0.8 m/s | 3.3 |
| 2018 | 23.5°C | 9.7°C | 16.6°C | 24 mm | 77% | 0.9 m/s | 3.6 |
| 2017 | 23.7°C | 11.5°C | 17.6°C | 1 mm | 80% | 0.9 m/s | 3.5 |
| 2016 🔥 | 25.2°C | 11.1°C | 18.2°C | 5 mm | 73% | 0.9 m/s | 3.6 |
| 2015 | 23.7°C | 8.1°C | 15.9°C | 13 mm | 78% | 0.9 m/s | 3 |
| 2014 | 23.7°C | 10.0°C | 16.8°C | 4 mm | 78% | 0.9 m/s | 3.5 |
| 2013 | 23.7°C | 7.7°C | 15.7°C | 9 mm | 80% | 0.9 m/s | 3.2 |
| 2012 | 23.6°C | 10.0°C | 16.8°C | 15 mm | 80% | 0.8 m/s | 3.3 |
| 2011 | 25.2°C | 8.2°C | 16.7°C | 20 mm | 73% | 0.9 m/s | 3.4 |
| 2010 | 23.6°C | 7.5°C | 15.5°C | 7 mm | 74% | 0.9 m/s | 3.7 |
| 2009 ❄️ | 21.0°C | 7.4°C | 14.2°C | 9 mm | 81% | 0.8 m/s | 2.9 |
| 2008 | 23.1°C | 8.4°C | 15.8°C | 3 mm | 77% | 0.9 m/s | 3.4 |
| 2007 | 21.6°C | 7.8°C | 14.7°C | 11 mm | 69% | 0.8 m/s | 3.6 |
| 2006 | 23.9°C | 9.4°C | 16.7°C | 12 mm | 71% | 0.9 m/s | 3.4 |
| 2005 | 24.6°C | 9.0°C | 16.8°C | 0 mm | 63% | 0.9 m/s | 3.8 |
| 2004 | 22.8°C | 7.3°C | 15.0°C | 14 mm | 72% | 0.9 m/s | 3.5 |
| 2003 | 23.4°C | 7.4°C | 15.4°C | 4 mm | 71% | 0.9 m/s | 3.3 |
| 2002 | 24.0°C | 7.7°C | 15.8°C | 4 mm | 69% | 0.8 m/s | 3.3 |
| 2001 | 25.5°C | 9.0°C | 17.2°C | 8 mm | 60% | 0.9 m/s | 3.6 |
| 2000 | 24.5°C | 8.5°C | 16.5°C | 6 mm | 59% | 0.8 m/s | 3.8 |
| 1999 | 24.0°C | 7.8°C | 15.9°C | 1 mm | 66% | 1 m/s | 3.7 |
| 1998 | 25.8°C | 8.5°C | 17.1°C | 6 mm | 55% | 1 m/s | 3.8 |
| 1997 | 22.5°C | 7.4°C | 14.9°C | 23 mm | 67% | 0.9 m/s | 3.2 |
| 1996 | 24.1°C | 9.3°C | 16.7°C | 0 mm | 61% | 0.9 m/s | 3.7 |
| 1995 | 21.4°C | 8.3°C | 14.8°C | 26 mm | 77% | 0.9 m/s | 2.8 |
| 1994 | 23.5°C | 7.0°C | 15.3°C | 0 mm | 63% | 0.9 m/s | 3.5 |
| 1993 | 23.3°C | 9.3°C | 16.3°C | 2 mm | 67% | 1 m/s | 3.5 |
| 1992 | 22.0°C | 7.4°C | 14.7°C | 5 mm | 66% | 1 m/s | 3.6 |
| 1991 | 22.4°C | 6.4°C | 14.4°C | 41 mm | 74% | 0.9 m/s | 3.3 |
| 1990 | 21.8°C | 8.5°C | 15.2°C | 0 mm | 73% | 0.9 m/s | 3.5 |
| 1989 | 22.9°C | 7.3°C | 15.1°C | 12 mm | 68% | 0.9 m/s | 3.6 |
| 1988 | 23.9°C | 9.2°C | 16.5°C | 8 mm | 76% | 0.8 m/s | 3.5 |
| 1987 | 23.3°C | 10.4°C | 16.8°C | 14 mm | 68% | 0.9 m/s | 3.5 |
| 1986 | 25.1°C | 7.5°C | 16.3°C | 10 mm | 69% | 1 m/s | 3.3 |
| 1985 🌧️ | 22.2°C | 8.7°C | 15.5°C | 76 mm | 73% | 1 m/s | 3.3 |
| 1984 | 23.0°C | 7.3°C | 15.1°C | 20 mm | 72% | 0.9 m/s | 3 |
| 1983 | 22.4°C | 7.0°C | 14.7°C | 36 mm | 67% | 1 m/s | — |
| 1982 | 22.0°C | 7.0°C | 14.5°C | 10 mm | 69% | 0.9 m/s | — |
| 1981 | 24.0°C | 8.4°C | 16.2°C | 45 mm | 76% | 0.9 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 23.4°C with lows near 8.5°C (mean 16°C), based on 45 years of NASA POWER data.
December averages 13 mm of rainfall in Dhemaji, one of the drier months. The wettest on record was 76 mm in 1985.
The hottest December reached 25.8°C in 1998. The coldest dipped to 6.4°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.4°C. Daytime highs moved from 22.7°C to 23.5°C and overnight lows from 7.7°C to 9.7°C over the same span.
December is one of the cooler months of the year in Dhemaji and one of the drier months, so plan for around 23.4°C daytime highs and 8.5°C at night.
Not quite — December is the 2nd coolest month in Dhemaji, averaging 16°C.
For December in Dhemaji, pack light layers you can adjust through the day, with typical highs of 23.4°C and lows of 8.5°C.
Relative humidity in December averages 72% — moderately humid.
Average wind speed in December is 0.9 m/s. The windiest December on record averaged 1 m/s (1983).
The wettest December on record was 1985 with 76 mm. On average, December sees 13 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 Dhemaji behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
