December is one of the cooler months of the year in Mahasamund, with average highs near 25.4°C and lows around 12°C (mean 18.7°C). It is one of the drier months, averaging 10 mm of rainfall and 66% relative humidity across the period.
December is one of the cooler months of the year in Mahasamund. Across 45 years of records, the warmest December in Mahasamund was 1988 — when the month averaged 22°C — while the coldest was 2025 at 15.6°C. Typical December days reach 25.4°C with nights near 12°C. The long-term trend is cooling, about 0.4°C per decade.
December is one of the drier months in Mahasamund, averaging 10 mm of rainfall. The wettest December on record was 2021 with 82 mm, while the driest were 2016, 2017 and 2022, among others at 0 mm.
Relative humidity in Mahasamund during December averages 66%. The most humid December was 1997 at 84%, and the least humid was 2000 at 27%.
December receives about 4.3 kWh/m²/day of solar energy in Mahasamund. The sunniest December was 1999 at 5 kWh/m²/day, and the cloudiest were 1997 and 2023 at 3.5.
Average wind speed in Mahasamund during December is 1.3 m/s. The windiest December was 1997 at 1.6 m/s, while the calmest were 2008 and 2020 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.5°C | 18.6°C | 19.2°C | 18.2°C | 17.8°C | -1.7°C |
| Avg High | 26.6°C | 25.3°C | 26.2°C | 24.5°C | 23.8°C | -2.8°C |
| Avg Low | 12.3°C | 11.8°C | 12.2°C | 11.8°C | 11.9°C | -0.4°C |
| Avg Rain | 7 mm | 6 mm | 4 mm | 15 mm | 21 mm | +14 mm |
December temperatures in Mahasamund have fallen by about 1.5°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 3.3°C (2019) to a record high of 33.3°C (1988).
Rainfall in December is one of the drier months, averaging 10 mm, with a wettest year of 82 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.6°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Mahasamund
December is one of the best times to visit Mahasamund. Expect days averaging 25.4°C and nights around 12°C (mean 18.7°C) — cooler than Mahasamund's yearly average — with low rainfall (10 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 ❄️ | 22.3°C | 15.6°C | 8.9°C | 23.9°C | 6.8°C | 0 mm | 76% | 1.2 m/s | — |
| 2024 | 24.6°C | 18.8°C | 13.1°C | 27.9°C | 5.9°C | 13 mm | 80% | 1.4 m/s | 3.6 |
| 2023 | 23.0°C | 17.5°C | 12.1°C | 26.2°C | 7.4°C | 30 mm | 81% | 1.5 m/s | 3.5 |
| 2022 | 24.9°C | 18.8°C | 12.6°C | 27.4°C | 8.2°C | 0 mm | 74% | 1.2 m/s | 4.2 |
| 2021 🌧️ | 23.4°C | 17.9°C | 12.3°C | 25.3°C | 4.3°C | 82 mm | 77% | 1.3 m/s | 3.7 |
| 2020 | 24.3°C | 18.3°C | 12.3°C | 26.1°C | 6.4°C | 0 mm | 71% | 1 m/s | 4.1 |
| 2019 | 23.2°C | 17.6°C | 11.9°C | 25.3°C | 3.3°C | 1 mm | 82% | 1.3 m/s | 3.8 |
| 2018 | 24.6°C | 18.4°C | 12.1°C | 28.6°C | 4.9°C | 62 mm | 67% | 1.4 m/s | 3.7 |
| 2017 | 24.4°C | 18.0°C | 11.5°C | 26.1°C | 7.5°C | 0 mm | 68% | 1.2 m/s | 4.4 |
| 2016 | 24.1°C | 17.1°C | 10.2°C | 26.0°C | 6.2°C | 0 mm | 71% | 1.1 m/s | 4.4 |
| 2015 | 27.4°C | 20.9°C | 14.4°C | 29.6°C | 6.8°C | 10 mm | 65% | 1.2 m/s | 3.7 |
| 2014 | 23.4°C | 16.9°C | 10.4°C | 26.0°C | 4.4°C | 3 mm | 70% | 1.3 m/s | 4.2 |
| 2013 | 24.2°C | 17.8°C | 11.5°C | 25.5°C | 8.8°C | 0 mm | 75% | 1.2 m/s | 4.4 |
| 2012 | 25.3°C | 18.9°C | 12.4°C | 27.8°C | 6.4°C | 1 mm | 71% | 1.2 m/s | 4.4 |
| 2011 | 25.1°C | 18.3°C | 11.6°C | 27.6°C | 8.2°C | 20 mm | 71% | 1.2 m/s | 4.3 |
| 2010 | 23.7°C | 17.9°C | 12.2°C | 26.5°C | 6.7°C | 57 mm | 73% | 1.3 m/s | 4 |
| 2009 | 26.1°C | 19.8°C | 13.6°C | 28.0°C | 10.3°C | 15 mm | 68% | 1.1 m/s | 4.2 |
| 2008 | 26.6°C | 20.0°C | 13.4°C | 28.0°C | 9.7°C | 0 mm | 67% | 1 m/s | 4.3 |
| 2007 | 25.0°C | 18.6°C | 12.2°C | 27.2°C | 8.2°C | 0 mm | 72% | 1.2 m/s | 4.3 |
| 2006 | 26.2°C | 19.6°C | 12.9°C | 27.5°C | 9.5°C | 0 mm | 66% | 1.2 m/s | 4.3 |
| 2005 | 23.4°C | 16.9°C | 10.5°C | 25.5°C | 7.1°C | 2 mm | 70% | 1.2 m/s | 4.4 |
| 2004 | 27.0°C | 19.5°C | 12.1°C | 29.5°C | 9.0°C | 0 mm | 60% | 1.2 m/s | 4.4 |
| 2003 | 23.3°C | 17.4°C | 11.5°C | 25.4°C | 6.7°C | 24 mm | 76% | 1.3 m/s | 4.3 |
| 2002 | 29.9°C | 21.7°C | 13.5°C | 32.0°C | 10.3°C | 0 mm | 43% | 1.4 m/s | 4.5 |
| 2001 | 25.1°C | 18.3°C | 11.5°C | 27.3°C | 7.7°C | 0 mm | 66% | 1.1 m/s | 4.6 |
| 2000 | 29.2°C | 20.0°C | 10.7°C | 30.5°C | 7.5°C | 0 mm | 27% | 1.3 m/s | 4.5 |
| 1999 | 24.4°C | 17.8°C | 11.2°C | 26.2°C | 8.1°C | 0 mm | 69% | 1.1 m/s | 5 |
| 1998 | 26.1°C | 18.5°C | 11.0°C | 27.5°C | 9.0°C | 0 mm | 57% | 1.2 m/s | 4.8 |
| 1997 | 24.6°C | 19.4°C | 14.2°C | 27.6°C | 9.3°C | 53 mm | 84% | 1.6 m/s | 3.5 |
| 1996 | 26.5°C | 18.4°C | 10.2°C | 28.3°C | 7.3°C | 0 mm | 50% | 1.4 m/s | 4.2 |
| 1995 | 26.3°C | 19.9°C | 13.5°C | 28.7°C | 10.1°C | 3 mm | 70% | 1.2 m/s | 4.6 |
| 1994 | 24.6°C | 17.9°C | 11.1°C | 26.6°C | 7.3°C | 0 mm | 67% | 1.1 m/s | 4.7 |
| 1993 | 24.4°C | 17.4°C | 10.4°C | 26.2°C | 6.9°C | 0 mm | 63% | 1.2 m/s | 4.7 |
| 1992 | 26.9°C | 19.3°C | 11.7°C | 28.6°C | 8.3°C | 0 mm | 52% | 1.1 m/s | 4.7 |
| 1991 | 25.0°C | 18.4°C | 11.7°C | 29.0°C | 7.5°C | 7 mm | 70% | 1.4 m/s | 4.4 |
| 1990 | 24.4°C | 18.9°C | 13.3°C | 26.5°C | 9.0°C | 0 mm | 78% | 1.3 m/s | 4.6 |
| 1989 | 25.0°C | 18.3°C | 11.5°C | 28.2°C | 7.8°C | 19 mm | 62% | 1.3 m/s | 4.5 |
| 1988 🔥 | 30.4°C | 22.0°C | 13.7°C | 33.3°C | 9.6°C | 0 mm | 41% | 1.5 m/s | 4.8 |
| 1987 | 27.5°C | 19.3°C | 11.0°C | 31.4°C | 6.8°C | 13 mm | 55% | 1.4 m/s | 4.7 |
| 1986 | 25.8°C | 19.7°C | 13.6°C | 28.3°C | 9.3°C | 16 mm | 72% | 1.3 m/s | 4.5 |
| 1985 | 25.2°C | 18.8°C | 12.4°C | 27.5°C | 7.2°C | 1 mm | 67% | 1.1 m/s | 4.7 |
| 1984 | 28.9°C | 20.4°C | 11.9°C | 32.1°C | 7.3°C | 0 mm | 47% | 1.4 m/s | 4.6 |
| 1983 | 25.1°C | 18.2°C | 11.4°C | 28.0°C | 5.8°C | 9 mm | 62% | 1.3 m/s | — |
| 1982 | 27.2°C | 20.5°C | 13.8°C | 29.2°C | 8.2°C | 0 mm | 64% | 1.2 m/s | — |
| 1981 | 24.3°C | 18.0°C | 11.7°C | 26.4°C | 8.0°C | 2 mm | 72% | 1.3 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 25.4°C with lows near 12°C (mean 18.7°C), based on 45 years of NASA POWER data.
December averages 10 mm of rainfall in Mahasamund, one of the drier months. The wettest on record was 82 mm in 2021.
The hottest December reached 33.3°C in 1988. The coldest dipped to 3.3°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 1.5°C. Daytime highs moved from 26.1°C to 23.6°C and overnight lows from 12.2°C to 11.8°C over the same span.
December is one of the cooler months of the year in Mahasamund and one of the drier months, so plan for around 25.4°C daytime highs and 12°C at night.
Yes — December is the coldest month of the year in Mahasamund, averaging 18.7°C.
For December in Mahasamund, pack light layers you can adjust through the day, with typical highs of 25.4°C and lows of 12°C.
Relative humidity in December averages 66% — moderately humid.
Average wind speed in December is 1.3 m/s. The windiest December on record averaged 1.6 m/s (1997).
The wettest December on record was 2021 with 82 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 Mahasamund 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.
