December is one of the cooler months of the year in Nagaon, with average highs near 26.2°C and lows around 9.7°C (mean 18°C). It is one of the drier months, averaging 9 mm of rainfall and 73% relative humidity across the period.
December is one of the cooler months of the year in Nagaon. Across 45 years of records, the warmest December in Nagaon was 2016 — when the month averaged 20.7°C — while the coldest were 1991 and 2004 at 16°C. Typical December days reach 26.2°C with nights near 9.7°C. The long-term trend is warming, about 0.4°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.5°C | 17.5°C | 17.6°C | 18.4°C | 19.1°C | +1.6°C |
| Avg High | 26.1°C | 25.5°C | 25.7°C | 26.7°C | 27.5°C | +1.4°C |
| Avg Low | 8.9°C | 9.5°C | 9.5°C | 10.0°C | 10.7°C | +1.8°C |
| Avg Rain | 16 mm | 6 mm | 9 mm | 9 mm | 3 mm | -13 mm |
December temperatures in Nagaon have risen by about 1.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 7.1°C (2004) to a record high of 29°C (2023).
Rainfall in December is one of the drier months, averaging 9 mm, with a wettest year of 75 mm.
One of the best times to visit Nagaon
December is one of the best times to visit Nagaon. Expect days averaging 26.2°C and nights around 9.7°C (mean 18°C) — cooler than Nagaon's yearly average — with low rainfall (9 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 27.0°C | 11.7°C | 19.3°C | 0 mm | 73% | 1 m/s | — |
| 2024 | 25.0°C | 10.2°C | 17.6°C | 1 mm | 76% | 1.1 m/s | 3.6 |
| 2023 | 29.0°C | 11.2°C | 20.1°C | 10 mm | 71% | 1.1 m/s | 3.5 |
| 2022 | 28.1°C | 10.9°C | 19.5°C | 3 mm | 77% | 1.2 m/s | 3.5 |
| 2021 | 28.4°C | 10.2°C | 19.3°C | 2 mm | 72% | 1 m/s | 3.6 |
| 2020 | 27.4°C | 10.2°C | 18.8°C | 0 mm | 80% | 1 m/s | 3.6 |
| 2019 | 25.5°C | 9.1°C | 17.3°C | 2 mm | 79% | 1 m/s | 3.4 |
| 2018 | 27.5°C | 9.3°C | 18.4°C | 24 mm | 75% | 1 m/s | 3.6 |
| 2017 | 26.3°C | 12.5°C | 19.4°C | 2 mm | 81% | 1.1 m/s | 3.7 |
| 2016 🔥 | 28.2°C | 13.2°C | 20.7°C | 3 mm | 74% | 1.1 m/s | 3.8 |
| 2015 | 27.0°C | 10.1°C | 18.5°C | 40 mm | 79% | 1 m/s | 3.3 |
| 2014 | 26.2°C | 9.9°C | 18.0°C | 1 mm | 80% | 1.1 m/s | 3.6 |
| 2013 | 26.8°C | 8.5°C | 17.7°C | 2 mm | 80% | 1.1 m/s | 3.4 |
| 2012 | 25.8°C | 10.4°C | 18.1°C | 7 mm | 79% | 0.9 m/s | 3.5 |
| 2011 | 27.5°C | 8.0°C | 17.8°C | 2 mm | 77% | 1.1 m/s | 3.6 |
| 2010 | 26.1°C | 9.0°C | 17.6°C | 6 mm | 76% | 1 m/s | 3.7 |
| 2009 | 24.8°C | 9.4°C | 17.1°C | 15 mm | 80% | 0.9 m/s | 3.3 |
| 2008 | 27.6°C | 11.6°C | 19.6°C | 7 mm | 78% | 1 m/s | 3.5 |
| 2007 | 23.4°C | 9.1°C | 16.2°C | 18 mm | 77% | 0.9 m/s | 3.8 |
| 2006 | 26.5°C | 10.2°C | 18.4°C | 8 mm | 71% | 1 m/s | 3.5 |
| 2005 | 25.8°C | 9.9°C | 17.9°C | 1 mm | 70% | 1 m/s | 4 |
| 2004 | 24.8°C | 7.1°C | 16.0°C | 5 mm | 79% | 1.1 m/s | 3.6 |
| 2003 | 24.5°C | 9.3°C | 16.9°C | 9 mm | 77% | 1 m/s | 3.5 |
| 2002 | 26.6°C | 9.0°C | 17.8°C | 15 mm | 72% | 0.9 m/s | 3.5 |
| 2001 | 27.2°C | 9.7°C | 18.4°C | 2 mm | 63% | 1 m/s | 3.8 |
| 2000 | 25.5°C | 9.3°C | 17.4°C | 6 mm | 66% | 0.9 m/s | 4 |
| 1999 | 25.0°C | 9.2°C | 17.1°C | 1 mm | 71% | 1.1 m/s | 3.9 |
| 1998 | 25.8°C | 9.5°C | 17.6°C | 1 mm | 64% | 1 m/s | 3.9 |
| 1997 | 25.8°C | 8.0°C | 16.9°C | 20 mm | 69% | 1 m/s | 3.3 |
| 1996 | 27.3°C | 10.6°C | 18.9°C | 0 mm | 62% | 1 m/s | 3.9 |
| 1995 | 23.9°C | 10.9°C | 17.4°C | 4 mm | 78% | 1 m/s | 3.6 |
| 1994 | 26.1°C | 9.3°C | 17.7°C | 0 mm | 62% | 1.1 m/s | 3.9 |
| 1993 | 26.0°C | 11.2°C | 18.6°C | 7 mm | 70% | 1 m/s | 3.9 |
| 1992 | 26.4°C | 8.7°C | 17.5°C | 13 mm | 63% | 1.1 m/s | 3.8 |
| 1991 ❄️ | 23.9°C | 8.2°C | 16.0°C | 18 mm | 76% | 1.1 m/s | 3.6 |
| 1990 | 25.1°C | 9.8°C | 17.4°C | 0 mm | 73% | 1 m/s | 3.9 |
| 1989 | 25.4°C | 8.4°C | 16.9°C | 5 mm | 67% | 1 m/s | 3.8 |
| 1988 | 25.6°C | 10.1°C | 17.8°C | 11 mm | 80% | 1.1 m/s | 3.8 |
| 1987 | 25.9°C | 10.7°C | 18.3°C | 2 mm | 72% | 1.1 m/s | 3.6 |
| 1986 | 26.5°C | 9.0°C | 17.8°C | 3 mm | 68% | 1 m/s | 3.6 |
| 1985 | 25.9°C | 9.4°C | 17.7°C | 22 mm | 69% | 1.1 m/s | 3.7 |
| 1984 | 27.7°C | 7.6°C | 17.7°C | 10 mm | 68% | 1 m/s | 3.3 |
| 1983 | 25.3°C | 7.5°C | 16.4°C | 12 mm | 68% | 1 m/s | — |
| 1982 | 24.8°C | 7.9°C | 16.3°C | 2 mm | 70% | 1.1 m/s | — |
| 1981 🌧️ | 27.7°C | 9.3°C | 18.5°C | 75 mm | 77% | 1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 26.2°C with lows near 9.7°C (mean 18°C), based on 45 years of NASA POWER data.
December averages 9 mm of rainfall in Nagaon, one of the drier months. The wettest on record was 75 mm in 1981.
The hottest December reached 29°C in 2023. The coldest dipped to 7.1°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.9°C. Daytime highs moved from 26.3°C to 27.5°C and overnight lows from 8.3°C to 10.8°C over the same span.
December is one of the cooler months of the year in Nagaon and one of the drier months, so plan for around 26.2°C daytime highs and 9.7°C at night.
Not quite — December is the 2nd coolest month in Nagaon, averaging 18°C.
For December in Nagaon, pack light layers you can adjust through the day, with typical highs of 26.2°C and lows of 9.7°C.
Relative humidity in December averages 73% — moderately humid.
Average wind speed in December is 1 m/s. The windiest December on record averaged 1.2 m/s (2022).
The wettest December on record was 1981 with 75 mm. On average, December sees 9 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 Nagaon 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.
