December is one of the cooler months of the year in Lower Subansiri, with average highs near 19.9°C and lows around 3.8°C (mean 11.9°C). It is one of the drier months, averaging 12 mm of rainfall and 79% relative humidity across the period.
December is one of the cooler months of the year in Lower Subansiri. Across 45 years of records, the warmest December in Lower Subansiri was 2016 — when the month averaged 15.5°C — while the coldest was 1982 at 10°C. Typical December days reach 19.9°C with nights near 3.8°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 | 11.5°C | 11.4°C | 11.6°C | 12.5°C | 12.3°C | +0.8°C |
| Avg High | 19.8°C | 19.3°C | 19.8°C | 20.6°C | 19.8°C | 0°C |
| Avg Low | 3.2°C | 3.5°C | 3.4°C | 4.4°C | 4.8°C | +1.6°C |
| Avg Rain | 23 mm | 9 mm | 7 mm | 10 mm | 8 mm | -16 mm |
December temperatures in Lower Subansiri have risen by about 1.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 2.1°C (2004) to a record high of 24.6°C (2016).
Rainfall in December is one of the drier months, averaging 12 mm, with a wettest year of 61 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 Lower Subansiri
December is a good time to visit Lower Subansiri, with days averaging 19.9°C and nights around 3.8°C (mean 11.9°C, cooler than Lower Subansiri's yearly average) and low rainfall. October and May are marginally more temperate, but December still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 20.2°C | 6.3°C | 13.2°C | 1 mm | 81% | 0.5 m/s | — |
| 2024 | 18.8°C | 4.5°C | 11.6°C | 1 mm | 80% | 0.6 m/s | 3.4 |
| 2023 | 20.1°C | 5.8°C | 12.9°C | 16 mm | 81% | 0.6 m/s | 3.3 |
| 2022 | 20.0°C | 3.8°C | 11.9°C | 13 mm | 85% | 0.5 m/s | 2.9 |
| 2021 | 20.4°C | 3.7°C | 12.1°C | 7 mm | 82% | 0.5 m/s | 3.3 |
| 2020 | 19.5°C | 4.8°C | 12.2°C | 8 mm | 85% | 0.5 m/s | 3.1 |
| 2019 | 20.0°C | 3.8°C | 11.9°C | 4 mm | 83% | 0.5 m/s | 3.1 |
| 2018 | 19.6°C | 4.6°C | 12.1°C | 27 mm | 82% | 0.6 m/s | 3.4 |
| 2017 | 20.8°C | 6.5°C | 13.6°C | 0 mm | 84% | 0.5 m/s | 3.5 |
| 2016 🔥 | 24.6°C | 6.5°C | 15.5°C | 3 mm | 79% | 0.5 m/s | 3.6 |
| 2015 | 19.4°C | 4.0°C | 11.7°C | 20 mm | 83% | 0.5 m/s | 2.8 |
| 2014 | 20.2°C | 5.3°C | 12.7°C | 4 mm | 83% | 0.5 m/s | 3.2 |
| 2013 | 20.2°C | 3.0°C | 11.6°C | 8 mm | 84% | 0.5 m/s | 3 |
| 2012 | 20.2°C | 5.2°C | 12.7°C | 12 mm | 84% | 0.5 m/s | 3.1 |
| 2011 | 21.0°C | 3.0°C | 12.0°C | 14 mm | 82% | 0.5 m/s | 3.1 |
| 2010 | 20.1°C | 2.4°C | 11.2°C | 7 mm | 77% | 0.6 m/s | 3.7 |
| 2009 | 18.1°C | 3.1°C | 10.6°C | 10 mm | 85% | 0.5 m/s | 2.5 |
| 2008 | 19.2°C | 4.7°C | 11.9°C | 4 mm | 83% | 0.5 m/s | 3 |
| 2007 | 19.6°C | 2.6°C | 11.1°C | 14 mm | 77% | 0.6 m/s | 3.5 |
| 2006 | 20.7°C | 4.3°C | 12.5°C | 10 mm | 79% | 0.6 m/s | 3.1 |
| 2005 | 19.5°C | 3.6°C | 11.6°C | 0 mm | 74% | 0.7 m/s | 3.9 |
| 2004 | 19.1°C | 2.1°C | 10.6°C | 11 mm | 79% | 0.6 m/s | 3.3 |
| 2003 | 19.5°C | 3.2°C | 11.3°C | 4 mm | 78% | 0.6 m/s | 3.2 |
| 2002 | 21.4°C | 2.7°C | 12.1°C | 6 mm | 77% | 0.6 m/s | 3.1 |
| 2001 | 20.4°C | 3.9°C | 12.1°C | 8 mm | 71% | 0.7 m/s | 3.4 |
| 2000 | 20.3°C | 4.0°C | 12.1°C | 7 mm | 69% | 0.7 m/s | 3.6 |
| 1999 | 20.2°C | 3.5°C | 11.8°C | 1 mm | 74% | 0.7 m/s | 3.5 |
| 1998 | 20.5°C | 3.4°C | 12.0°C | 7 mm | 66% | 0.8 m/s | 3.7 |
| 1997 | 18.2°C | 2.4°C | 10.3°C | 19 mm | 77% | 0.6 m/s | 3.1 |
| 1996 | 19.1°C | 4.3°C | 11.7°C | 0 mm | 72% | 0.7 m/s | 3.4 |
| 1995 | 18.0°C | 4.2°C | 11.1°C | 23 mm | 82% | 0.5 m/s | 2.7 |
| 1994 | 21.3°C | 2.9°C | 12.1°C | 0 mm | 72% | 0.7 m/s | 3.3 |
| 1993 | 19.6°C | 4.3°C | 11.9°C | 3 mm | 75% | 0.7 m/s | 3.3 |
| 1992 | 17.8°C | 2.4°C | 10.1°C | 6 mm | 74% | 0.7 m/s | 3.4 |
| 1991 | 19.7°C | 2.5°C | 11.1°C | 35 mm | 78% | 0.6 m/s | 3.2 |
| 1990 | 18.5°C | 4.8°C | 11.6°C | 0 mm | 79% | 0.6 m/s | 3.4 |
| 1989 | 21.3°C | 2.5°C | 11.9°C | 10 mm | 72% | 0.6 m/s | 3.3 |
| 1988 | 21.1°C | 4.4°C | 12.8°C | 6 mm | 80% | 0.5 m/s | 3.3 |
| 1987 | 20.4°C | 5.0°C | 12.7°C | 11 mm | 73% | 0.6 m/s | 3.3 |
| 1986 | 22.5°C | 2.3°C | 12.4°C | 9 mm | 74% | 0.6 m/s | 3.2 |
| 1985 | 18.5°C | 3.9°C | 11.2°C | 58 mm | 79% | 0.6 m/s | 3.2 |
| 1984 | 19.0°C | 2.6°C | 10.8°C | 18 mm | 79% | 0.6 m/s | 3 |
| 1983 | 18.3°C | 2.6°C | 10.4°C | 31 mm | 76% | 0.6 m/s | — |
| 1982 ❄️ | 17.5°C | 2.6°C | 10.0°C | 9 mm | 79% | 0.6 m/s | — |
| 1981 🌧️ | 19.7°C | 2.8°C | 11.2°C | 61 mm | 83% | 0.6 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 19.9°C with lows near 3.8°C (mean 11.9°C), based on 45 years of NASA POWER data.
December averages 12 mm of rainfall in Lower Subansiri, one of the drier months. The wettest on record was 61 mm in 1981.
The hottest December reached 24.6°C in 2016. The coldest dipped to 2.1°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.6°C. Daytime highs moved from 18.6°C to 19.9°C and overnight lows from 2.9°C to 4.8°C over the same span.
December is one of the cooler months of the year in Lower Subansiri and one of the drier months, so plan for around 19.9°C daytime highs and 3.8°C at night.
Not quite — December is the 2nd coolest month in Lower Subansiri, averaging 11.9°C.
For December in Lower Subansiri, pack warm layers and a jacket for chilly mornings, with typical highs of 19.9°C and lows of 3.8°C.
Relative humidity in December averages 79% — quite humid.
Average wind speed in December is 0.6 m/s. The windiest December on record averaged 0.8 m/s (1998).
The wettest December on record was 1981 with 61 mm. On average, December sees 12 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 Lower Subansiri 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.
