December is one of the cooler months of the year in East Kameng, with average highs near 14°C and lows around 4.9°C (mean 9.5°C). It is one of the drier months, averaging 10 mm of rainfall and 78% relative humidity across the period.
December is one of the cooler months of the year in East Kameng. Across 45 years of records, the warmest December in East Kameng was 2016 — when the month averaged 11.9°C — while the coldest were 1982 and 1983 at 8°C. Typical December days reach 14°C with nights near 4.9°C. The long-term trend is warming, about 0.4°C per decade.
December is one of the drier months in East Kameng, averaging 10 mm of rainfall. The wettest December on record was 1981 with 65 mm, while the driest were 2005, 2017 and 2025, among others at 0 mm.
Relative humidity in East Kameng during December averages 78%. The most humid December was 2020 at 87%, and the least humid was 1998 at 63%.
December receives about 3.3 kWh/m²/day of solar energy in East Kameng. The sunniest December was 2005 at 3.9 kWh/m²/day, and the cloudiest was 2009 at 2.5.
Average wind speed in East Kameng during December is 0.5 m/s. The windiest December was 1998 at 0.7 m/s, while the calmest were 2008 and 2009 at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.9°C | 9.1°C | 9.3°C | 10.0°C | 10.0°C | +1.1°C |
| Avg High | 13.6°C | 13.9°C | 14.0°C | 14.2°C | 14.2°C | +0.6°C |
| Avg Low | 4.2°C | 4.3°C | 4.6°C | 5.8°C | 5.8°C | +1.6°C |
| Avg Rain | 20 mm | 8 mm | 7 mm | 9 mm | 5 mm | -15 mm |
December temperatures in East Kameng have risen by about 1.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 0.4°C (1991) to a record high of 20.7°C (1986).
Rainfall in December is one of the drier months, averaging 10 mm, with a wettest year of 65 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 quieter season to visit East Kameng
If your dates are flexible, the more temperate months of October and September tend to be the most comfortable for visiting East Kameng. That said, December — with days averaging 14°C and nights around 4.9°C (mean 9.5°C) and low rainfall (10 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 14.9°C | 10.6°C | 6.2°C | 17.6°C | 4.2°C | 0 mm | 79% | 0.5 m/s | — |
| 2024 | 13.9°C | 9.3°C | 4.7°C | 16.4°C | 2.7°C | 1 mm | 80% | 0.5 m/s | 3.4 |
| 2023 | 14.9°C | 10.6°C | 6.3°C | 17.2°C | 4.2°C | 12 mm | 79% | 0.5 m/s | 3.3 |
| 2022 | 13.9°C | 10.0°C | 6.0°C | 16.5°C | 2.2°C | 6 mm | 86% | 0.5 m/s | 2.9 |
| 2021 | 13.8°C | 9.6°C | 5.4°C | 17.5°C | 1.9°C | 4 mm | 83% | 0.5 m/s | 3.3 |
| 2020 | 13.5°C | 9.8°C | 6.1°C | 16.2°C | 3.1°C | 4 mm | 87% | 0.5 m/s | 3.1 |
| 2019 | 13.2°C | 9.2°C | 5.1°C | 17.9°C | 1.6°C | 3 mm | 82% | 0.5 m/s | 3.1 |
| 2018 | 14.2°C | 9.6°C | 5.1°C | 16.0°C | 2.2°C | 27 mm | 81% | 0.6 m/s | 3.4 |
| 2017 | 15.9°C | 11.7°C | 7.5°C | 18.3°C | 5.5°C | 0 mm | 84% | 0.5 m/s | 3.5 |
| 2016 🔥 | 16.3°C | 11.9°C | 7.5°C | 19.9°C | 5.0°C | 2 mm | 79% | 0.5 m/s | 3.6 |
| 2015 | 13.0°C | 9.5°C | 6.0°C | 16.5°C | 3.0°C | 27 mm | 86% | 0.5 m/s | 2.8 |
| 2014 | 15.0°C | 10.8°C | 6.6°C | 17.1°C | 3.3°C | 3 mm | 83% | 0.5 m/s | 3.2 |
| 2013 | 12.6°C | 9.1°C | 5.5°C | 17.2°C | 0.9°C | 7 mm | 85% | 0.5 m/s | 3 |
| 2012 | 14.2°C | 10.1°C | 6.0°C | 17.8°C | 3.1°C | 9 mm | 85% | 0.5 m/s | 3.1 |
| 2011 | 13.8°C | 9.3°C | 4.7°C | 18.6°C | 1.6°C | 10 mm | 83% | 0.5 m/s | 3.1 |
| 2010 | 14.0°C | 9.1°C | 4.2°C | 16.8°C | 1.1°C | 5 mm | 75% | 0.5 m/s | 3.7 |
| 2009 | 12.7°C | 8.7°C | 4.7°C | 15.2°C | 2.0°C | 10 mm | 86% | 0.4 m/s | 2.5 |
| 2008 | 14.6°C | 10.4°C | 6.2°C | 18.5°C | 3.6°C | 5 mm | 83% | 0.4 m/s | 3 |
| 2007 | 13.8°C | 9.0°C | 4.1°C | 16.4°C | 2.0°C | 15 mm | 76% | 0.5 m/s | 3.5 |
| 2006 | 14.1°C | 9.5°C | 4.9°C | 19.1°C | 2.8°C | 8 mm | 79% | 0.5 m/s | 3.1 |
| 2005 | 14.7°C | 9.6°C | 4.4°C | 16.2°C | 2.6°C | 0 mm | 72% | 0.6 m/s | 3.9 |
| 2004 | 13.7°C | 9.1°C | 4.5°C | 17.5°C | 0.7°C | 8 mm | 77% | 0.5 m/s | 3.3 |
| 2003 | 13.9°C | 9.1°C | 4.3°C | 18.2°C | 1.5°C | 4 mm | 76% | 0.5 m/s | 3.2 |
| 2002 | 13.5°C | 9.1°C | 4.7°C | 18.9°C | 1.5°C | 6 mm | 77% | 0.5 m/s | 3.1 |
| 2001 | 14.3°C | 9.2°C | 4.1°C | 19.0°C | 2.7°C | 6 mm | 69% | 0.6 m/s | 3.4 |
| 2000 | 14.6°C | 9.4°C | 4.2°C | 18.3°C | 1.9°C | 7 mm | 67% | 0.6 m/s | 3.6 |
| 1999 | 14.3°C | 9.4°C | 4.5°C | 18.3°C | 2.5°C | 1 mm | 72% | 0.6 m/s | 3.5 |
| 1998 | 15.5°C | 10.2°C | 5.0°C | 18.5°C | 2.8°C | 5 mm | 63% | 0.7 m/s | 3.7 |
| 1997 | 13.1°C | 8.4°C | 3.7°C | 15.2°C | 1.4°C | 16 mm | 76% | 0.5 m/s | 3.1 |
| 1996 | 14.6°C | 9.4°C | 4.3°C | 16.6°C | 3.2°C | 0 mm | 69% | 0.6 m/s | 3.4 |
| 1995 | 12.9°C | 8.8°C | 4.7°C | 15.1°C | 3.4°C | 17 mm | 84% | 0.5 m/s | 2.7 |
| 1994 | 13.6°C | 8.4°C | 3.3°C | 18.5°C | 1.3°C | 0 mm | 70% | 0.6 m/s | 3.3 |
| 1993 | 14.7°C | 10.0°C | 5.3°C | 17.3°C | 2.9°C | 4 mm | 73% | 0.6 m/s | 3.3 |
| 1992 | 12.8°C | 8.1°C | 3.3°C | 15.2°C | 1.6°C | 7 mm | 71% | 0.6 m/s | 3.4 |
| 1991 | 12.8°C | 8.5°C | 4.2°C | 18.3°C | 0.4°C | 28 mm | 76% | 0.5 m/s | 3.2 |
| 1990 | 14.3°C | 9.6°C | 4.8°C | 15.7°C | 2.5°C | 0 mm | 77% | 0.6 m/s | 3.4 |
| 1989 | 13.2°C | 8.3°C | 3.4°C | 19.5°C | 1.1°C | 8 mm | 70% | 0.6 m/s | 3.3 |
| 1988 | 14.9°C | 10.2°C | 5.6°C | 19.1°C | 2.9°C | 5 mm | 79% | 0.5 m/s | 3.3 |
| 1987 | 15.6°C | 10.6°C | 5.7°C | 18.1°C | 3.0°C | 7 mm | 71% | 0.6 m/s | 3.3 |
| 1986 | 13.6°C | 9.0°C | 4.3°C | 20.7°C | 1.1°C | 7 mm | 73% | 0.6 m/s | 3.2 |
| 1985 | 13.6°C | 9.0°C | 4.3°C | 15.9°C | 1.5°C | 42 mm | 78% | 0.5 m/s | 3.2 |
| 1984 | 13.1°C | 8.3°C | 3.5°C | 16.2°C | 1.4°C | 14 mm | 78% | 0.6 m/s | 3 |
| 1983 | 12.6°C | 8.0°C | 3.4°C | 15.1°C | 0.5°C | 23 mm | 76% | 0.5 m/s | — |
| 1982 ❄️ | 12.4°C | 8.0°C | 3.7°C | 14.7°C | 0.9°C | 7 mm | 80% | 0.5 m/s | — |
| 1981 🌧️ | 13.4°C | 8.7°C | 4.1°C | 16.3°C | 2.1°C | 65 mm | 81% | 0.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 14°C with lows near 4.9°C (mean 9.5°C), based on 45 years of NASA POWER data.
December averages 10 mm of rainfall in East Kameng, one of the drier months. The wettest on record was 65 mm in 1981.
The hottest December reached 20.7°C in 1986. The coldest dipped to 0.4°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.6°C. Daytime highs moved from 13°C to 14.3°C and overnight lows from 3.8°C to 5.7°C over the same span.
December is one of the cooler months of the year in East Kameng and one of the drier months, so plan for around 14°C daytime highs and 4.9°C at night.
Not quite — December is the 3rd coolest month in East Kameng, averaging 9.5°C.
For December in East Kameng, pack warm layers and a jacket for chilly mornings, with typical highs of 14°C and lows of 4.9°C.
Relative humidity in December averages 78% — quite humid.
Average wind speed in December is 0.5 m/s. The windiest December on record averaged 0.7 m/s (1998).
The wettest December on record was 1981 with 65 mm. On average, December sees 10 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 East Kameng 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.
