December is one of the cooler months of the year in Cachar, with average highs near 24.3°C and lows around 11.8°C (mean 18.1°C). It is one of the drier months, averaging 17 mm of rainfall and 73% relative humidity across the period.
December is one of the cooler months of the year in Cachar. Across 45 years of records, the warmest December in Cachar was 1987 — when the month averaged 19.6°C — while the coldest was 1983 at 16.6°C. Typical December days reach 24.3°C with nights near 11.8°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Cachar, averaging 17 mm of rainfall. The wettest December on record was 1981 with 95 mm, while the driest were 2020, 2024 and 2025, among others at 0 mm.
Relative humidity in Cachar during December averages 73%. The most humid December was 2017 at 81%, and the least humid was 1994 at 52%.
December receives about 4 kWh/m²/day of solar energy in Cachar. The sunniest December was 1994 at 4.5 kWh/m²/day, and the cloudiest were 1997, 2015 and 2023 at 3.5.
Average wind speed in Cachar during December is 1.1 m/s. The windiest Decembers were 1989, 1992 and 1998 at 1.3 m/s, while the calmest were 2015 and 2022 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.1°C | 18.3°C | 17.7°C | 18.2°C | 18.0°C | -0.1°C |
| Avg High | 24.7°C | 25.1°C | 23.9°C | 23.8°C | 23.7°C | -1°C |
| Avg Low | 11.4°C | 11.4°C | 11.5°C | 12.5°C | 12.3°C | +0.9°C |
| Avg Rain | 20 mm | 9 mm | 19 mm | 23 mm | 13 mm | -7 mm |
December temperatures in Cachar have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 5.9°C (1991) to a record high of 29.5°C (1996).
Rainfall in December is one of the drier months, averaging 17 mm, with a wettest year of 95 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
One of the best times to visit Cachar
December is one of the best times to visit Cachar. Expect days averaging 24.3°C and nights around 11.8°C (mean 18.1°C) — cooler than Cachar's yearly average — with low rainfall (17 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.4°C | 17.4°C | 11.4°C | 25.3°C | 8.1°C | 0 mm | 76% | 0.9 m/s | — |
| 2024 | 23.4°C | 17.6°C | 11.8°C | 25.5°C | 9.4°C | 0 mm | 77% | 0.9 m/s | 3.8 |
| 2023 | 24.3°C | 19.0°C | 13.7°C | 27.5°C | 9.1°C | 35 mm | 79% | 0.9 m/s | 3.5 |
| 2022 | 23.7°C | 18.1°C | 12.5°C | 27.3°C | 8.4°C | 10 mm | 79% | 0.8 m/s | 3.8 |
| 2021 | 24.1°C | 18.6°C | 13.2°C | 26.7°C | 9.9°C | 30 mm | 78% | 1 m/s | 3.7 |
| 2020 | 23.2°C | 17.3°C | 11.4°C | 26.4°C | 8.1°C | 0 mm | 81% | 0.9 m/s | 3.9 |
| 2019 | 22.8°C | 17.2°C | 11.6°C | 25.6°C | 8.3°C | 3 mm | 81% | 1 m/s | 3.7 |
| 2018 | 23.2°C | 17.5°C | 11.8°C | 26.0°C | 7.1°C | 40 mm | 78% | 0.9 m/s | 3.7 |
| 2017 | 24.6°C | 19.3°C | 14.0°C | 26.6°C | 11.9°C | 87 mm | 81% | 0.9 m/s | 3.7 |
| 2016 | 25.0°C | 19.5°C | 14.0°C | 26.8°C | 11.6°C | 7 mm | 80% | 0.9 m/s | 4.1 |
| 2015 | 23.0°C | 17.7°C | 12.3°C | 26.3°C | 8.3°C | 13 mm | 80% | 0.8 m/s | 3.5 |
| 2014 | 24.3°C | 18.6°C | 12.9°C | 26.8°C | 9.4°C | 1 mm | 79% | 0.9 m/s | 3.8 |
| 2013 | 23.5°C | 18.0°C | 12.6°C | 27.5°C | 8.8°C | 2 mm | 80% | 0.9 m/s | 3.8 |
| 2012 | 23.2°C | 17.5°C | 11.8°C | 26.1°C | 8.5°C | 42 mm | 81% | 0.9 m/s | 3.7 |
| 2011 | 25.0°C | 18.6°C | 12.1°C | 27.1°C | 8.5°C | 0 mm | 72% | 1 m/s | 3.8 |
| 2010 | 23.5°C | 17.8°C | 12.1°C | 27.2°C | 8.9°C | 38 mm | 79% | 1.2 m/s | 3.9 |
| 2009 | 23.0°C | 17.1°C | 11.1°C | 25.3°C | 8.1°C | 42 mm | 79% | 1 m/s | 4 |
| 2008 | 24.6°C | 19.0°C | 13.5°C | 26.1°C | 10.6°C | 2 mm | 78% | 1 m/s | 3.7 |
| 2007 | 23.3°C | 17.2°C | 11.1°C | 24.6°C | 8.8°C | 3 mm | 76% | 1.1 m/s | 4 |
| 2006 | 25.5°C | 18.7°C | 11.8°C | 27.5°C | 9.9°C | 7 mm | 71% | 1.1 m/s | 4 |
| 2005 | 24.2°C | 18.0°C | 11.8°C | 26.3°C | 9.2°C | 5 mm | 74% | 1.1 m/s | 4.1 |
| 2004 | 23.6°C | 17.8°C | 12.0°C | 25.8°C | 7.1°C | 7 mm | 78% | 1.1 m/s | 3.8 |
| 2003 | 23.2°C | 17.6°C | 12.1°C | 25.7°C | 8.6°C | 30 mm | 78% | 1.2 m/s | 3.6 |
| 2002 | 23.3°C | 17.4°C | 11.5°C | 26.1°C | 7.2°C | 85 mm | 78% | 1 m/s | 4 |
| 2001 | 24.2°C | 17.2°C | 10.2°C | 26.8°C | 8.5°C | 3 mm | 70% | 1.1 m/s | 4.1 |
| 2000 | 23.7°C | 16.9°C | 10.0°C | 26.0°C | 9.2°C | 3 mm | 72% | 1 m/s | 4.4 |
| 1999 | 24.4°C | 18.2°C | 12.0°C | 26.3°C | 8.9°C | 5 mm | 73% | 1.2 m/s | 4.3 |
| 1998 | 25.0°C | 18.4°C | 11.7°C | 25.9°C | 9.2°C | 0 mm | 70% | 1.3 m/s | 4.4 |
| 1997 | 23.1°C | 17.3°C | 11.5°C | 25.4°C | 7.9°C | 31 mm | 75% | 1.1 m/s | 3.5 |
| 1996 | 27.0°C | 19.2°C | 11.4°C | 29.5°C | 9.0°C | 0 mm | 57% | 1.1 m/s | 4.1 |
| 1995 | 23.6°C | 17.3°C | 11.1°C | 25.1°C | 9.5°C | 1 mm | 75% | 1 m/s | 4.3 |
| 1994 | 26.9°C | 19.0°C | 11.1°C | 29.1°C | 8.2°C | 0 mm | 52% | 1.2 m/s | 4.5 |
| 1993 | 26.8°C | 19.4°C | 12.1°C | 28.9°C | 10.5°C | 2 mm | 63% | 1.2 m/s | 4.4 |
| 1992 | 25.2°C | 17.8°C | 10.4°C | 27.3°C | 8.6°C | 17 mm | 59% | 1.3 m/s | 4.2 |
| 1991 | 23.6°C | 17.4°C | 11.2°C | 26.2°C | 5.9°C | 31 mm | 70% | 1.2 m/s | 4 |
| 1990 | 25.5°C | 18.7°C | 11.9°C | 27.7°C | 9.9°C | 0 mm | 67% | 1.2 m/s | 4.2 |
| 1989 | 25.4°C | 18.0°C | 10.5°C | 27.5°C | 7.7°C | 3 mm | 60% | 1.3 m/s | 4.3 |
| 1988 | 24.7°C | 19.1°C | 13.4°C | 27.1°C | 11.2°C | 20 mm | 78% | 1.1 m/s | 4.3 |
| 1987 🔥 | 26.3°C | 19.6°C | 12.8°C | 28.1°C | 9.8°C | 5 mm | 68% | 1.2 m/s | 4.3 |
| 1986 | 25.0°C | 18.4°C | 11.8°C | 27.6°C | 9.9°C | 2 mm | 70% | 1.2 m/s | 4.2 |
| 1985 | 25.5°C | 18.4°C | 11.4°C | 28.3°C | 7.8°C | 23 mm | 64% | 1.1 m/s | 4.3 |
| 1984 | 24.6°C | 17.4°C | 10.3°C | 28.4°C | 6.4°C | 11 mm | 65% | 1.1 m/s | 4.2 |
| 1983 ❄️ | 22.8°C | 16.6°C | 10.4°C | 25.2°C | 6.5°C | 16 mm | 71% | 1.1 m/s | — |
| 1982 | 23.9°C | 17.2°C | 10.4°C | 25.4°C | 9.4°C | 1 mm | 67% | 1.1 m/s | — |
| 1981 🌧️ | 24.0°C | 18.0°C | 12.0°C | 29.1°C | 8.7°C | 95 mm | 75% | 1.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 24.3°C with lows near 11.8°C (mean 18.1°C), based on 45 years of NASA POWER data.
December averages 17 mm of rainfall in Cachar, one of the drier months. The wettest on record was 95 mm in 1981.
The hottest December reached 29.5°C in 1996. The coldest dipped to 5.9°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.6°C — but days and nights have moved in opposite directions. Overnight lows rose from 10.9°C to 12.5°C while daytime highs eased from 24.2°C to 23.8°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Cachar and one of the drier months, so plan for around 24.3°C daytime highs and 11.8°C at night.
Not quite — December is the 2nd coolest month in Cachar, averaging 18.1°C.
For December in Cachar, pack light layers you can adjust through the day, with typical highs of 24.3°C and lows of 11.8°C.
Relative humidity in December averages 73% — moderately humid.
Average wind speed in December is 1.1 m/s. The windiest December on record averaged 1.3 m/s (1989).
The wettest December on record was 1981 with 95 mm. On average, December sees 17 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 Cachar 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.
