December is one of the cooler months of the year in Raisen, with average highs near 29.4°C and lows around 6.4°C (mean 17.9°C). It is one of the drier months, averaging 8 mm of rainfall and 50% relative humidity across the period.
December is one of the cooler months of the year in Raisen. Across 45 years of records, the warmest December in Raisen was 2002 — when the month averaged 20.3°C — while the coldest was 2019 at 14°C. Typical December days reach 29.4°C with nights near 6.4°C. The long-term trend is cooling, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.0°C | 17.5°C | 19.0°C | 17.6°C | 17.0°C | -1°C |
| Avg High | 29.8°C | 28.7°C | 30.4°C | 29.4°C | 28.0°C | -1.8°C |
| Avg Low | 6.2°C | 6.3°C | 7.6°C | 5.9°C | 6.0°C | -0.2°C |
| Avg Rain | 8 mm | 11 mm | 4 mm | 7 mm | 11 mm | +3 mm |
December temperatures in Raisen have fallen by about 0.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 2°C (2019) to a record high of 32.7°C (2015).
Rainfall in December is one of the drier months, averaging 8 mm, with a wettest year of 88 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Raisen
December is a good time to visit Raisen, with days averaging 29.4°C and nights around 6.4°C (mean 17.9°C, cooler than Raisen's yearly average) and low rainfall. February and October are marginally more temperate, but December still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 26.5°C | 6.2°C | 16.3°C | 0 mm | 63% | 1.5 m/s | — |
| 2024 | 27.9°C | 4.9°C | 16.4°C | 29 mm | 64% | 1.7 m/s | 3.9 |
| 2023 | 28.5°C | 8.5°C | 18.5°C | 7 mm | 64% | 1.6 m/s | 3.5 |
| 2022 | 28.3°C | 7.4°C | 17.9°C | 9 mm | 69% | 1.6 m/s | 4 |
| 2021 | 26.7°C | 3.8°C | 15.3°C | 9 mm | 63% | 1.6 m/s | 3.5 |
| 2020 | 29.9°C | 5.4°C | 17.7°C | 12 mm | 57% | 1.5 m/s | 3.8 |
| 2019 ❄️ | 26.1°C | 2.0°C | 14.0°C | 16 mm | 78% | 1.7 m/s | 3.6 |
| 2018 | 28.2°C | 4.1°C | 16.2°C | 0 mm | 43% | 1.6 m/s | 4.3 |
| 2017 | 30.0°C | 8.1°C | 19.1°C | 0 mm | 37% | 1.6 m/s | 3.8 |
| 2016 | 29.7°C | 7.1°C | 18.4°C | 0 mm | 49% | 1.5 m/s | 4.4 |
| 2015 | 32.7°C | 5.7°C | 19.2°C | 0 mm | 30% | 1.7 m/s | 4.4 |
| 2014 | 30.0°C | 4.2°C | 17.1°C | 38 mm | 51% | 1.8 m/s | 4.2 |
| 2013 | 29.0°C | 8.3°C | 18.7°C | 4 mm | 57% | 1.6 m/s | 4 |
| 2012 | 31.0°C | 6.1°C | 18.6°C | 1 mm | 44% | 1.7 m/s | 4.4 |
| 2011 | 30.4°C | 6.8°C | 18.6°C | 3 mm | 51% | 1.6 m/s | 4.2 |
| 2010 | 26.7°C | 6.2°C | 16.5°C | 3 mm | 63% | 1.7 m/s | 4.2 |
| 2009 | 28.3°C | 8.7°C | 18.5°C | 27 mm | 65% | 1.4 m/s | 4 |
| 2008 | 30.6°C | 8.4°C | 19.5°C | 0 mm | 47% | 1.5 m/s | 4.2 |
| 2007 | 30.7°C | 7.4°C | 19.0°C | 2 mm | 52% | 1.6 m/s | 4.1 |
| 2006 | 29.8°C | 8.3°C | 19.0°C | 1 mm | 55% | 1.5 m/s | 4.1 |
| 2005 | 29.4°C | 7.3°C | 18.3°C | 1 mm | 43% | 1.5 m/s | 4.3 |
| 2004 | 30.6°C | 7.7°C | 19.1°C | 0 mm | 40% | 1.6 m/s | 4.4 |
| 2003 | 29.0°C | 5.6°C | 17.3°C | 3 mm | 61% | 1.5 m/s | 4.3 |
| 2002 🔥 | 32.1°C | 8.4°C | 20.3°C | 2 mm | 36% | 1.6 m/s | 4.3 |
| 2001 | 32.1°C | 6.6°C | 19.3°C | 0 mm | 29% | 1.5 m/s | 4.5 |
| 2000 | 31.5°C | 7.2°C | 19.4°C | 3 mm | 19% | 1.6 m/s | 4.5 |
| 1999 | 27.4°C | 5.7°C | 16.6°C | 0 mm | 48% | 1.6 m/s | 4.7 |
| 1998 | 30.1°C | 6.7°C | 18.4°C | 0 mm | 43% | 1.4 m/s | 4.5 |
| 1997 🌧️ | 25.9°C | 7.1°C | 16.5°C | 88 mm | 83% | 1.9 m/s | 3.5 |
| 1996 | 28.6°C | 5.0°C | 16.8°C | 0 mm | 46% | 1.7 m/s | 4.7 |
| 1995 | 30.2°C | 8.4°C | 19.3°C | 16 mm | 49% | 1.9 m/s | 4.3 |
| 1994 | 29.5°C | 5.3°C | 17.4°C | 0 mm | 34% | 1.6 m/s | 4.6 |
| 1993 | 28.6°C | 4.7°C | 16.7°C | 2 mm | 47% | 1.5 m/s | 4.5 |
| 1992 | 29.1°C | 7.0°C | 18.1°C | 0 mm | 47% | 1.6 m/s | 4.5 |
| 1991 | 30.1°C | 6.1°C | 18.1°C | 1 mm | 36% | 1.9 m/s | 4.5 |
| 1990 | 27.9°C | 6.6°C | 17.2°C | 0 mm | 62% | 1.8 m/s | 4.5 |
| 1989 | 29.8°C | 7.0°C | 18.4°C | 16 mm | 34% | 1.7 m/s | 4.3 |
| 1988 | 30.4°C | 7.8°C | 19.1°C | 0 mm | 31% | 1.8 m/s | 4.6 |
| 1987 | 31.2°C | 5.8°C | 18.5°C | 17 mm | 47% | 1.6 m/s | 4.4 |
| 1986 | 30.7°C | 5.5°C | 18.1°C | 4 mm | 33% | 2 m/s | 4.4 |
| 1985 | 28.7°C | 6.5°C | 17.6°C | 0 mm | 60% | 1.6 m/s | 4.4 |
| 1984 | 32.1°C | 7.5°C | 19.8°C | 0 mm | 28% | 1.8 m/s | 4.6 |
| 1983 | 28.1°C | 3.3°C | 15.7°C | 1 mm | 60% | 1.8 m/s | — |
| 1982 | 29.6°C | 6.3°C | 17.9°C | 0 mm | 57% | 1.7 m/s | — |
| 1981 | 28.0°C | 5.7°C | 16.9°C | 37 mm | 62% | 1.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 29.4°C with lows near 6.4°C (mean 17.9°C), based on 45 years of NASA POWER data.
December averages 8 mm of rainfall in Raisen, one of the drier months. The wettest on record was 88 mm in 1997.
The hottest December reached 32.7°C in 2015. The coldest dipped to 2°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.7°C. Daytime highs moved from 29.3°C to 27.6°C and overnight lows from 5.9°C to 6.2°C over the same span.
December is one of the cooler months of the year in Raisen and one of the drier months, so plan for around 29.4°C daytime highs and 6.4°C at night.
Yes — December is the coldest month of the year in Raisen, averaging 17.9°C.
For December in Raisen, pack warm layers and a jacket for chilly mornings, with typical highs of 29.4°C and lows of 6.4°C.
Relative humidity in December averages 50% — relatively dry.
Average wind speed in December is 1.6 m/s. The windiest December on record averaged 2 m/s (1986).
The wettest December on record was 1997 with 88 mm. On average, December sees 8 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 Raisen 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.
