December is one of the cooler months of the year in Mysuru, with average highs near 28.9°C and lows around 15.9°C (mean 22.4°C). It is one of the drier months, averaging 20 mm of rainfall and 72% relative humidity across the period.
December is one of the cooler months of the year in Mysuru. Across 45 years of records, the warmest December in Mysuru was 2023 — when the month averaged 24.9°C — while the coldest was 1998 at 20.4°C. Typical December days reach 28.9°C with nights near 15.9°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Mysuru, averaging 20 mm of rainfall. The wettest December on record was 2024 with 103 mm, while the driest were 1990, 1991 and 2004 at 1 mm.
Relative humidity in Mysuru during December averages 72%. The most humid December was 2021 at 84%, and the least humid was 2018 at 58%.
December receives about 5 kWh/m²/day of solar energy in Mysuru. The sunniest Decembers were 1984, 1995 and 2004 at 5.6 kWh/m²/day, and the cloudiest was 2024 at 4.2.
Average wind speed in Mysuru during December is 2.2 m/s. The windiest Decembers were 1982, 1983 and 1990 at 2.6 m/s, while the calmest was 2005 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.9°C | 21.7°C | 21.9°C | 23.0°C | 22.7°C | -0.2°C |
| Avg High | 29.5°C | 28.1°C | 28.8°C | 29.6°C | 28.5°C | -1°C |
| Avg Low | 16.2°C | 15.2°C | 15.1°C | 16.4°C | 17.0°C | +0.8°C |
| Avg Rain | 23 mm | 18 mm | 11 mm | 15 mm | 39 mm | +16 mm |
December temperatures in Mysuru have stayed relatively stable across the record.
December has ranged from a record low of 9.4°C (1981) to a record high of 33.9°C (2018).
Rainfall in December is one of the drier months, averaging 20 mm, with a wettest year of 103 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°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 Mysuru
December is one of the best times to visit Mysuru. Expect days averaging 28.9°C and nights around 15.9°C (mean 22.4°C) — cooler than Mysuru's yearly average — with low rainfall (20 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 | 30.8°C | 23.3°C | 15.9°C | 32.8°C | 12.9°C | 4 mm | 65% | 2.2 m/s | — |
| 2024 🌧️ | 28.0°C | 23.1°C | 18.3°C | 29.8°C | 13.0°C | 103 mm | 82% | 1.9 m/s | 4.2 |
| 2023 🔥 | 31.4°C | 24.9°C | 18.4°C | 33.1°C | 14.8°C | 12 mm | 70% | 2.2 m/s | 4.3 |
| 2022 | 26.6°C | 21.6°C | 16.5°C | 28.1°C | 11.4°C | 74 mm | 83% | 2 m/s | 4.5 |
| 2021 | 26.3°C | 21.4°C | 16.5°C | 27.6°C | 12.3°C | 14 mm | 84% | 1.8 m/s | 4.7 |
| 2020 | 27.6°C | 22.0°C | 16.4°C | 29.6°C | 13.4°C | 29 mm | 80% | 2.3 m/s | 4.5 |
| 2019 | 28.4°C | 23.1°C | 17.7°C | 31.5°C | 15.9°C | 21 mm | 79% | 2.3 m/s | 4.4 |
| 2018 | 31.8°C | 24.8°C | 17.8°C | 33.9°C | 14.4°C | 4 mm | 58% | 1.8 m/s | 4.6 |
| 2017 | 26.9°C | 21.3°C | 15.7°C | 28.3°C | 12.0°C | 19 mm | 78% | 2 m/s | 5 |
| 2016 | 31.0°C | 23.3°C | 15.6°C | 33.3°C | 11.7°C | 57 mm | 59% | 2 m/s | 4.9 |
| 2015 | 29.9°C | 23.5°C | 17.1°C | 31.5°C | 12.5°C | 10 mm | 74% | 2.3 m/s | 4.8 |
| 2014 | 30.1°C | 23.4°C | 16.7°C | 32.0°C | 12.8°C | 7 mm | 69% | 1.9 m/s | 4.5 |
| 2013 | 29.5°C | 22.1°C | 14.7°C | 31.4°C | 11.0°C | 6 mm | 67% | 2.2 m/s | 5.3 |
| 2012 | 31.6°C | 24.2°C | 16.9°C | 33.6°C | 14.6°C | 11 mm | 64% | 2.5 m/s | 5.1 |
| 2011 | 30.4°C | 23.0°C | 15.5°C | 33.2°C | 11.5°C | 5 mm | 64% | 2.3 m/s | 4.8 |
| 2010 | 26.3°C | 21.3°C | 16.3°C | 28.0°C | 11.5°C | 11 mm | 82% | 1.8 m/s | 4.5 |
| 2009 | 29.4°C | 23.4°C | 17.5°C | 31.6°C | 13.3°C | 25 mm | 74% | 2.2 m/s | 4.3 |
| 2008 | 27.7°C | 21.2°C | 14.6°C | 29.3°C | 9.8°C | 2 mm | 76% | 2.1 m/s | 5.1 |
| 2007 | 26.8°C | 21.2°C | 15.7°C | 29.3°C | 11.3°C | 39 mm | 79% | 2.4 m/s | 4.7 |
| 2006 | 29.9°C | 22.5°C | 15.1°C | 31.3°C | 11.8°C | 1 mm | 68% | 2.5 m/s | 5.2 |
| 2005 | 25.9°C | 20.7°C | 15.4°C | 27.6°C | 10.6°C | 12 mm | 83% | 1.7 m/s | 4.9 |
| 2004 | 29.5°C | 21.7°C | 14.0°C | 31.6°C | 11.1°C | 1 mm | 69% | 2.2 m/s | 5.6 |
| 2003 | 31.0°C | 23.2°C | 15.4°C | 33.5°C | 11.3°C | 2 mm | 62% | 2.2 m/s | 5.4 |
| 2002 | 30.6°C | 22.5°C | 14.4°C | 32.1°C | 10.9°C | 3 mm | 62% | 2 m/s | 5.2 |
| 2001 | 28.7°C | 21.8°C | 15.0°C | 30.5°C | 10.2°C | 8 mm | 72% | 2.5 m/s | 4.9 |
| 2000 | 28.9°C | 21.2°C | 13.6°C | 31.3°C | 9.6°C | 18 mm | 70% | 2.3 m/s | 5.3 |
| 1999 | 28.4°C | 21.6°C | 14.8°C | 29.9°C | 11.3°C | 6 mm | 72% | 2.1 m/s | 5.2 |
| 1998 ❄️ | 25.7°C | 20.4°C | 15.2°C | 27.7°C | 10.4°C | 38 mm | 82% | 2.1 m/s | 4.8 |
| 1997 | 27.6°C | 22.9°C | 18.2°C | 28.6°C | 15.1°C | 29 mm | 83% | 2.1 m/s | 4.7 |
| 1996 | 27.1°C | 21.0°C | 15.0°C | 29.9°C | 9.9°C | 45 mm | 76% | 2.3 m/s | 4.8 |
| 1995 | 29.0°C | 21.3°C | 13.6°C | 30.6°C | 11.6°C | 3 mm | 66% | 2.4 m/s | 5.6 |
| 1994 | 29.5°C | 21.8°C | 14.2°C | 31.2°C | 9.4°C | 5 mm | 67% | 2.1 m/s | 5.4 |
| 1993 | 27.5°C | 21.4°C | 15.4°C | 30.0°C | 12.4°C | 54 mm | 77% | 2.3 m/s | 5 |
| 1992 | 28.1°C | 21.1°C | 14.1°C | 29.7°C | 10.6°C | 2 mm | 72% | 2.5 m/s | 5.3 |
| 1991 | 27.3°C | 21.0°C | 14.7°C | 30.4°C | 12.1°C | 1 mm | 75% | 2.1 m/s | 5.2 |
| 1990 | 31.3°C | 24.1°C | 17.0°C | 32.9°C | 12.7°C | 1 mm | 61% | 2.6 m/s | 5.2 |
| 1989 | 29.3°C | 22.8°C | 16.2°C | 31.7°C | 13.1°C | 10 mm | 70% | 2.3 m/s | 5.1 |
| 1988 | 30.2°C | 22.9°C | 15.6°C | 32.2°C | 10.8°C | 15 mm | 64% | 2.4 m/s | 5.4 |
| 1987 | 28.4°C | 22.6°C | 16.9°C | 30.9°C | 12.2°C | 61 mm | 76% | 2.3 m/s | 4.6 |
| 1986 | 29.8°C | 23.4°C | 17.0°C | 31.4°C | 12.3°C | 11 mm | 71% | 2.3 m/s | 5.1 |
| 1985 | 30.2°C | 23.4°C | 16.6°C | 33.1°C | 13.3°C | 5 mm | 67% | 2.1 m/s | 5.3 |
| 1984 | 31.0°C | 22.9°C | 14.9°C | 33.4°C | 11.3°C | 20 mm | 61% | 2.1 m/s | 5.6 |
| 1983 | 29.4°C | 23.6°C | 17.7°C | 32.2°C | 14.7°C | 58 mm | 72% | 2.6 m/s | — |
| 1982 | 30.0°C | 22.8°C | 15.5°C | 31.5°C | 13.4°C | 2 mm | 66% | 2.6 m/s | — |
| 1981 | 27.6°C | 21.5°C | 15.4°C | 29.4°C | 9.4°C | 28 mm | 76% | 2.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.9°C with lows near 15.9°C (mean 22.4°C), based on 45 years of NASA POWER data.
December averages 20 mm of rainfall in Mysuru, one of the drier months. The wettest on record was 103 mm in 2024.
The hottest December reached 33.9°C in 2018. The coldest dipped to 9.4°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 16°C to 17.1°C while daytime highs eased from 29.6°C to 28.6°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Mysuru and one of the drier months, so plan for around 28.9°C daytime highs and 15.9°C at night.
Yes — December is the coldest month of the year in Mysuru, averaging 22.4°C.
For December in Mysuru, pack light layers you can adjust through the day, with typical highs of 28.9°C and lows of 15.9°C.
Relative humidity in December averages 72% — moderately humid.
Average wind speed in December is 2.2 m/s. The windiest December on record averaged 2.6 m/s (1982).
The wettest December on record was 2024 with 103 mm. On average, December sees 20 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 Mysuru 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.
