December is one of the cooler months of the year in Jupiter, with average highs near 23.6°C and lows around 19.7°C (mean 21.7°C). It is one of the drier months, averaging 63 mm of rainfall and 78% relative humidity across the period.
December is one of the cooler months of the year in Jupiter. Across 45 years of records, the warmest December in Jupiter was 2015 — when the month averaged 24.6°C — while the coldest was 2010 at 17.4°C. Typical December days reach 23.6°C with nights near 19.7°C. The long-term trend is warming, about 0.3°C per decade.
December is one of the drier months in Jupiter, averaging 63 mm of rainfall. The wettest December on record was 1994 with 169 mm, while the driest was 1984 at 13 mm.
Relative humidity in Jupiter during December averages 78%. The most humid December was 2015 at 85%, and the least humid was 2010 at 68%.
December receives about 3.2 kWh/m²/day of solar energy in Jupiter. The sunniest December was 2010 at 3.8 kWh/m²/day, and the cloudiest were 1986 and 2023 at 2.7.
Average wind speed in Jupiter during December is 4.1 m/s. The windiest December was 2023 at 5.1 m/s, while the calmest was 2021 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.1°C | 21.4°C | 21.5°C | 22.2°C | 22.2°C | +1.1°C |
| Avg High | 23.2°C | 23.3°C | 23.5°C | 24.2°C | 24.1°C | +0.9°C |
| Avg Low | 19.1°C | 19.5°C | 19.5°C | 20.2°C | 20.2°C | +1.1°C |
| Avg Rain | 59 mm | 64 mm | 71 mm | 58 mm | 63 mm | +5 mm |
December temperatures in Jupiter have risen by about 1.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 1.4°C (1989) to a record high of 28.6°C (2009).
Rainfall in December is one of the drier months, averaging 63 mm, with a wettest year of 169 mm.
One of the best times to visit Jupiter
December is one of the best times to visit Jupiter. Expect days averaging 23.6°C and nights around 19.7°C (mean 21.7°C) — cooler than Jupiter's yearly average — with moderate rainfall (63 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 | 24.7°C | 22.7°C | 20.7°C | 27.4°C | 12.6°C | 38 mm | 78% | 3.7 m/s | — |
| 2024 | 23.8°C | 22.0°C | 20.2°C | 27.1°C | 15.9°C | 56 mm | 79% | 4.3 m/s | 3.4 |
| 2023 | 23.7°C | 22.0°C | 20.3°C | 28.5°C | 14.9°C | 136 mm | 78% | 5.1 m/s | 2.7 |
| 2022 | 24.0°C | 22.3°C | 20.5°C | 26.9°C | 10.7°C | 53 mm | 79% | 3.9 m/s | 3.2 |
| 2021 | 25.4°C | 23.4°C | 21.4°C | 27.2°C | 16.2°C | 36 mm | 79% | 3 m/s | 3.6 |
| 2020 | 22.9°C | 20.5°C | 18.0°C | 26.5°C | 11.4°C | 61 mm | 78% | 4.2 m/s | 3.6 |
| 2019 | 24.5°C | 22.5°C | 20.5°C | 27.0°C | 13.8°C | 126 mm | 80% | 4.8 m/s | 3.1 |
| 2018 | 24.3°C | 22.2°C | 20.1°C | 28.6°C | 12.9°C | 44 mm | 78% | 4.6 m/s | 3.4 |
| 2017 | 23.7°C | 21.6°C | 19.4°C | 26.9°C | 12.4°C | 24 mm | 78% | 3.3 m/s | 3.6 |
| 2016 | 25.4°C | 23.8°C | 22.2°C | 27.5°C | 16.6°C | 49 mm | 82% | 4.1 m/s | 3.3 |
| 2015 🔥 | 26.0°C | 24.6°C | 23.2°C | 27.3°C | 20.3°C | 133 mm | 85% | 4.4 m/s | 2.8 |
| 2014 | 24.0°C | 22.0°C | 20.0°C | 27.2°C | 13.5°C | 38 mm | 75% | 3.5 m/s | 3.4 |
| 2013 | 25.2°C | 23.5°C | 21.9°C | 27.4°C | 19.3°C | 34 mm | 79% | 4.1 m/s | 3.1 |
| 2012 | 24.3°C | 22.0°C | 19.8°C | 27.3°C | 12.7°C | 60 mm | 77% | 4.1 m/s | 3.2 |
| 2011 | 24.1°C | 22.3°C | 20.5°C | 26.6°C | 15.2°C | 59 mm | 76% | 4.1 m/s | 3.3 |
| 2010 ❄️ | 20.4°C | 17.4°C | 14.4°C | 26.0°C | 6.3°C | 18 mm | 68% | 4.4 m/s | 3.8 |
| 2009 | 24.3°C | 22.3°C | 20.3°C | 28.6°C | 13.6°C | 133 mm | 80% | 4.4 m/s | 2.9 |
| 2008 | 23.2°C | 21.3°C | 19.4°C | 25.7°C | 14.4°C | 31 mm | 77% | 4 m/s | 3.3 |
| 2007 | 24.7°C | 22.8°C | 20.9°C | 26.6°C | 15.0°C | 74 mm | 80% | 3.5 m/s | 3.4 |
| 2006 | 24.7°C | 23.1°C | 21.4°C | 27.0°C | 14.1°C | 111 mm | 78% | 4.6 m/s | 2.8 |
| 2005 | 22.8°C | 20.6°C | 18.4°C | 26.4°C | 12.9°C | 38 mm | 79% | 4.1 m/s | 3.4 |
| 2004 | 23.1°C | 21.0°C | 19.0°C | 27.8°C | 12.0°C | 46 mm | 74% | 4.4 m/s | 3.2 |
| 2003 | 22.4°C | 20.2°C | 17.9°C | 25.8°C | 12.3°C | 56 mm | 74% | 4.5 m/s | 3.2 |
| 2002 | 23.3°C | 21.0°C | 18.8°C | 27.3°C | 13.4°C | 108 mm | 77% | 4.2 m/s | 3 |
| 2001 | 24.4°C | 22.5°C | 20.6°C | 26.4°C | 12.4°C | 65 mm | 81% | 4 m/s | 3.2 |
| 2000 | 22.6°C | 20.6°C | 18.6°C | 26.5°C | 8.9°C | 44 mm | 76% | 4.6 m/s | 3.2 |
| 1999 | 23.0°C | 21.1°C | 19.1°C | 25.7°C | 12.9°C | 46 mm | 79% | 3.8 m/s | 3.1 |
| 1998 | 24.6°C | 22.8°C | 21.0°C | 26.6°C | 14.3°C | 52 mm | 79% | 3.8 m/s | 3.3 |
| 1997 | 22.8°C | 20.5°C | 18.2°C | 27.3°C | 11.8°C | 127 mm | 81% | 4.5 m/s | 3 |
| 1996 | 23.7°C | 21.6°C | 19.6°C | 25.9°C | 11.2°C | 48 mm | 75% | 4 m/s | 3.3 |
| 1995 | 21.9°C | 20.0°C | 18.1°C | 25.5°C | 8.9°C | 32 mm | 79% | 4.1 m/s | 3.1 |
| 1994 🌧️ | 23.5°C | 21.9°C | 20.3°C | 26.8°C | 13.6°C | 169 mm | 83% | 4.1 m/s | 3.1 |
| 1993 | 22.3°C | 20.0°C | 17.8°C | 25.8°C | 12.3°C | 32 mm | 77% | 4 m/s | 3.3 |
| 1992 | 23.3°C | 21.6°C | 19.9°C | 25.6°C | 12.7°C | 54 mm | 78% | 3.6 m/s | 3.2 |
| 1991 | 23.6°C | 21.9°C | 20.2°C | 26.6°C | 16.3°C | 52 mm | 79% | 3.7 m/s | 3.3 |
| 1990 | 24.2°C | 22.4°C | 20.5°C | 25.9°C | 15.1°C | 30 mm | 76% | 3.9 m/s | 3.2 |
| 1989 | 21.8°C | 19.1°C | 16.3°C | 26.6°C | 1.4°C | 63 mm | 75% | 4 m/s | 2.9 |
| 1988 | 23.5°C | 21.4°C | 19.2°C | 26.0°C | 12.0°C | 37 mm | 74% | 3.7 m/s | 3.3 |
| 1987 | 23.1°C | 21.0°C | 19.0°C | 26.1°C | 13.2°C | 22 mm | 76% | 4.2 m/s | 3 |
| 1986 | 24.6°C | 22.9°C | 21.2°C | 27.3°C | 17.1°C | 140 mm | 80% | 4 m/s | 2.7 |
| 1985 | 22.0°C | 19.8°C | 17.6°C | 26.5°C | 6.6°C | 61 mm | 76% | 3.9 m/s | 2.9 |
| 1984 | 23.9°C | 22.3°C | 20.6°C | 26.2°C | 13.4°C | 13 mm | 75% | 3.7 m/s | 3.1 |
| 1983 | 23.4°C | 21.4°C | 19.3°C | 26.8°C | 7.3°C | 123 mm | 83% | 4.3 m/s | — |
| 1982 | 23.5°C | 21.9°C | 20.3°C | 26.2°C | 13.8°C | 46 mm | 78% | 4.7 m/s | — |
| 1981 | 22.7°C | 20.3°C | 18.0°C | 27.0°C | 9.0°C | 23 mm | 75% | 4.4 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 23.6°C with lows near 19.7°C (mean 21.7°C), based on 45 years of NASA POWER data.
December averages 63 mm of rainfall in Jupiter, one of the drier months. The wettest on record was 169 mm in 1994.
The hottest December reached 28.6°C in 2009. The coldest dipped to 1.4°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.4°C. Daytime highs moved from 23.1°C to 24.3°C and overnight lows from 19.2°C to 20.6°C over the same span.
December is one of the cooler months of the year in Jupiter and one of the drier months, so plan for around 23.6°C daytime highs and 19.7°C at night.
Not quite — December is the 3rd coolest month in Jupiter, averaging 21.7°C.
For December in Jupiter, pack light layers you can adjust through the day, with typical highs of 23.6°C and lows of 19.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 78% — quite humid.
Average wind speed in December is 4.1 m/s. The windiest December on record averaged 5.1 m/s (2023).
The wettest December on record was 1994 with 169 mm. On average, December sees 63 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 Jupiter 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.
