December is one of the cooler months of the year in Mysuru, with average highs near 30.9°C and lows around 12°C (mean 21.5°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 Decembers in Mysuru were 2012 and 2018 — when the month averaged 24.1°C — while the coldest were 1998 and 2005 at 19.1°C. Typical December days reach 30.9°C with nights near 12°C. The long-term December temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.0°C | 20.8°C | 20.9°C | 22.2°C | 21.6°C | -0.4°C |
| Avg High | 31.8°C | 30.1°C | 30.8°C | 31.7°C | 30.2°C | -1.6°C |
| Avg Low | 12.3°C | 11.6°C | 11.0°C | 12.8°C | 13.0°C | +0.7°C |
| Avg Rain | 23 mm | 18 mm | 11 mm | 15 mm | 39 mm | +16 mm |
December temperatures in Mysuru have fallen by about 0.6°C between 1981–1985 and 2021–2025.
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 fell about 0.1°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 30.9°C and nights around 12°C (mean 21.5°C) — cooler than Mysuru's yearly average — with low rainfall (20 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.8°C | 12.9°C | 22.8°C | 4 mm | 65% | 2.2 m/s | — |
| 2024 🌧️ | 29.8°C | 13.0°C | 21.4°C | 103 mm | 82% | 1.9 m/s | 4.2 |
| 2023 | 33.1°C | 14.8°C | 23.9°C | 12 mm | 70% | 2.2 m/s | 4.3 |
| 2022 | 28.1°C | 11.4°C | 19.7°C | 74 mm | 83% | 2 m/s | 4.5 |
| 2021 | 27.6°C | 12.3°C | 20.0°C | 14 mm | 84% | 1.8 m/s | 4.7 |
| 2020 | 29.6°C | 13.4°C | 21.5°C | 29 mm | 80% | 2.3 m/s | 4.5 |
| 2019 | 31.5°C | 15.9°C | 23.7°C | 21 mm | 79% | 2.3 m/s | 4.4 |
| 2018 | 33.9°C | 14.4°C | 24.1°C | 4 mm | 58% | 1.8 m/s | 4.6 |
| 2017 | 28.3°C | 12.0°C | 20.2°C | 19 mm | 78% | 2 m/s | 5 |
| 2016 | 33.3°C | 11.7°C | 22.5°C | 57 mm | 59% | 2 m/s | 4.9 |
| 2015 | 31.5°C | 12.5°C | 22.0°C | 10 mm | 74% | 2.3 m/s | 4.8 |
| 2014 | 32.0°C | 12.8°C | 22.4°C | 7 mm | 69% | 1.9 m/s | 4.5 |
| 2013 | 31.4°C | 11.0°C | 21.2°C | 6 mm | 67% | 2.2 m/s | 5.3 |
| 2012 🔥 | 33.6°C | 14.6°C | 24.1°C | 11 mm | 64% | 2.5 m/s | 5.1 |
| 2011 | 33.2°C | 11.5°C | 22.4°C | 5 mm | 64% | 2.3 m/s | 4.8 |
| 2010 | 28.0°C | 11.5°C | 19.7°C | 11 mm | 82% | 1.8 m/s | 4.5 |
| 2009 | 31.6°C | 13.3°C | 22.4°C | 25 mm | 74% | 2.2 m/s | 4.3 |
| 2008 | 29.3°C | 9.8°C | 19.6°C | 2 mm | 76% | 2.1 m/s | 5.1 |
| 2007 | 29.3°C | 11.3°C | 20.3°C | 39 mm | 79% | 2.4 m/s | 4.7 |
| 2006 | 31.3°C | 11.8°C | 21.5°C | 1 mm | 68% | 2.5 m/s | 5.2 |
| 2005 | 27.6°C | 10.6°C | 19.1°C | 12 mm | 83% | 1.7 m/s | 4.9 |
| 2004 | 31.6°C | 11.1°C | 21.4°C | 1 mm | 69% | 2.2 m/s | 5.6 |
| 2003 | 33.5°C | 11.3°C | 22.4°C | 2 mm | 62% | 2.2 m/s | 5.4 |
| 2002 | 32.1°C | 10.9°C | 21.5°C | 3 mm | 62% | 2 m/s | 5.2 |
| 2001 | 30.5°C | 10.2°C | 20.4°C | 8 mm | 72% | 2.5 m/s | 4.9 |
| 2000 | 31.3°C | 9.6°C | 20.4°C | 18 mm | 70% | 2.3 m/s | 5.3 |
| 1999 | 29.9°C | 11.3°C | 20.6°C | 6 mm | 72% | 2.1 m/s | 5.2 |
| 1998 ❄️ | 27.7°C | 10.4°C | 19.1°C | 38 mm | 82% | 2.1 m/s | 4.8 |
| 1997 | 28.6°C | 15.1°C | 21.8°C | 29 mm | 83% | 2.1 m/s | 4.7 |
| 1996 | 29.9°C | 9.9°C | 19.9°C | 45 mm | 76% | 2.3 m/s | 4.8 |
| 1995 | 30.6°C | 11.6°C | 21.1°C | 3 mm | 66% | 2.4 m/s | 5.6 |
| 1994 | 31.2°C | 9.4°C | 20.3°C | 5 mm | 67% | 2.1 m/s | 5.4 |
| 1993 | 30.0°C | 12.4°C | 21.2°C | 54 mm | 77% | 2.3 m/s | 5 |
| 1992 | 29.7°C | 10.6°C | 20.1°C | 2 mm | 72% | 2.5 m/s | 5.3 |
| 1991 | 30.4°C | 12.1°C | 21.2°C | 1 mm | 75% | 2.1 m/s | 5.2 |
| 1990 | 32.9°C | 12.7°C | 22.8°C | 1 mm | 61% | 2.6 m/s | 5.2 |
| 1989 | 31.7°C | 13.1°C | 22.4°C | 10 mm | 70% | 2.3 m/s | 5.1 |
| 1988 | 32.2°C | 10.8°C | 21.5°C | 15 mm | 64% | 2.4 m/s | 5.4 |
| 1987 | 30.9°C | 12.2°C | 21.5°C | 61 mm | 76% | 2.3 m/s | 4.6 |
| 1986 | 31.4°C | 12.3°C | 21.9°C | 11 mm | 71% | 2.3 m/s | 5.1 |
| 1985 | 33.1°C | 13.3°C | 23.2°C | 5 mm | 67% | 2.1 m/s | 5.3 |
| 1984 | 33.4°C | 11.3°C | 22.3°C | 20 mm | 61% | 2.1 m/s | 5.6 |
| 1983 | 32.2°C | 14.7°C | 23.5°C | 58 mm | 72% | 2.6 m/s | — |
| 1982 | 31.5°C | 13.4°C | 22.4°C | 2 mm | 66% | 2.6 m/s | — |
| 1981 | 29.4°C | 9.4°C | 19.4°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 30.9°C with lows near 12°C (mean 21.5°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 fallen by about 0.6°C. Daytime highs moved from 31.9°C to 30.3°C and overnight lows from 12.4°C to 12.9°C over the same span.
December is one of the cooler months of the year in Mysuru and one of the drier months, so plan for around 30.9°C daytime highs and 12°C at night.
Yes — December is the coldest month of the year in Mysuru, averaging 21.5°C.
For December in Mysuru, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 12°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.
