January is one of the cooler months of the year in Jupiter, with average highs near 22.5°C and lows around 17.9°C (mean 20.2°C). It is one of the drier months, averaging 67 mm of rainfall and 76% relative humidity across the period.
January is one of the cooler months of the year in Jupiter. Across 45 years of records, the warmest January in Jupiter was 1989 — when the month averaged 22.5°C — while the coldest was 1981 at 17.1°C. Typical January days reach 22.5°C with nights near 17.9°C. The long-term trend is warming, about 0.2°C per decade.
January is one of the drier months in Jupiter, averaging 67 mm of rainfall. The wettest January on record was 2016 with 227 mm, while the driest was 2012 at 7 mm.
Relative humidity in Jupiter during January averages 76%. The most humid January was 1993 at 82%, and the least humid was 1981 at 68%.
January receives about 3.5 kWh/m²/day of solar energy in Jupiter. The sunniest January was 1985 at 3.9 kWh/m²/day, and the cloudiest was 1988 at 2.7.
Average wind speed in Jupiter during January is 4.2 m/s. The windiest Januarys were 1994 and 2018 at 5.1 m/s, while the calmest was 2002 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.5°C | 20.8°C | 19.9°C | 20.2°C | 20.7°C | +1.2°C |
| Avg High | 21.9°C | 22.8°C | 22.3°C | 22.5°C | 22.9°C | +1°C |
| Avg Low | 17.1°C | 18.8°C | 17.5°C | 17.9°C | 18.5°C | +1.4°C |
| Avg Rain | 58 mm | 108 mm | 32 mm | 82 mm | 47 mm | -11 mm |
January temperatures in Jupiter have risen by about 1.5°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 4.4°C (1986) to a record high of 27.6°C (2020).
Rainfall in January is one of the drier months, averaging 67 mm, with a wettest year of 227 mm.
One of the best times to visit Jupiter
January is one of the best times to visit Jupiter. Expect days averaging 22.5°C and nights around 17.9°C (mean 20.2°C) — cooler than Jupiter's yearly average — with moderate rainfall (67 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 | 21.9°C | 19.5°C | 17.1°C | 26.5°C | 12.9°C | 45 mm | 79% | 4.2 m/s | 3.4 |
| 2024 | 23.3°C | 21.2°C | 19.2°C | 27.0°C | 14.3°C | 91 mm | 81% | 4.7 m/s | 2.9 |
| 2023 | 24.1°C | 21.7°C | 19.3°C | 26.9°C | 9.3°C | 18 mm | 77% | 3.7 m/s | 3.8 |
| 2022 | 22.5°C | 20.3°C | 18.0°C | 27.1°C | 9.4°C | 82 mm | 75% | 4.1 m/s | 3.5 |
| 2021 | 22.2°C | 20.0°C | 17.8°C | 26.2°C | 12.5°C | 24 mm | 76% | 3.8 m/s | 3.8 |
| 2020 | 23.6°C | 21.5°C | 19.4°C | 27.6°C | 10.4°C | 25 mm | 75% | 4.5 m/s | 3.8 |
| 2019 | 22.8°C | 20.5°C | 18.3°C | 27.3°C | 12.2°C | 100 mm | 76% | 4.2 m/s | 3.7 |
| 2018 | 21.5°C | 19.5°C | 17.5°C | 25.9°C | 7.9°C | 72 mm | 79% | 5.1 m/s | 3.5 |
| 2017 | 23.6°C | 21.3°C | 19.0°C | 27.1°C | 14.3°C | 50 mm | 75% | 4.5 m/s | 3.7 |
| 2016 🌧️ | 21.9°C | 19.8°C | 17.7°C | 27.1°C | 8.5°C | 227 mm | 78% | 4.3 m/s | 2.9 |
| 2015 | 23.2°C | 21.1°C | 19.0°C | 27.1°C | 13.1°C | 53 mm | 76% | 4.1 m/s | 3.5 |
| 2014 | 22.6°C | 20.1°C | 17.5°C | 27.5°C | 10.4°C | 183 mm | 77% | 4.3 m/s | 3.3 |
| 2013 | 24.3°C | 22.3°C | 20.2°C | 26.0°C | 14.2°C | 30 mm | 77% | 3.6 m/s | 3.4 |
| 2012 | 22.6°C | 20.3°C | 18.0°C | 26.1°C | 10.2°C | 7 mm | 71% | 3.8 m/s | 3.8 |
| 2011 | 22.5°C | 19.7°C | 17.0°C | 26.4°C | 12.0°C | 55 mm | 73% | 4.1 m/s | 3.4 |
| 2010 | 20.2°C | 17.5°C | 14.8°C | 26.6°C | 7.4°C | 47 mm | 74% | 4.8 m/s | 3.5 |
| 2009 | 21.9°C | 19.4°C | 16.9°C | 26.3°C | 8.0°C | 12 mm | 72% | 4 m/s | 3.8 |
| 2008 | 23.0°C | 20.7°C | 18.5°C | 26.5°C | 9.5°C | 38 mm | 77% | 4.4 m/s | 3.4 |
| 2007 | 24.1°C | 22.0°C | 19.9°C | 27.3°C | 13.0°C | 17 mm | 76% | 4.1 m/s | 3.4 |
| 2006 | 22.4°C | 20.1°C | 17.7°C | 25.8°C | 10.8°C | 15 mm | 78% | 4.5 m/s | 3.6 |
| 2005 | 22.6°C | 20.5°C | 18.4°C | 26.0°C | 12.5°C | 49 mm | 75% | 4.6 m/s | 3.6 |
| 2004 | 22.4°C | 20.1°C | 17.7°C | 26.3°C | 13.4°C | 49 mm | 73% | 3.9 m/s | 3.5 |
| 2003 | 20.3°C | 17.6°C | 14.8°C | 26.3°C | 8.0°C | 32 mm | 73% | 4.2 m/s | 3.8 |
| 2002 | 22.8°C | 20.4°C | 18.0°C | 26.1°C | 7.0°C | 29 mm | 81% | 3.4 m/s | 3.6 |
| 2001 | 20.9°C | 18.2°C | 15.4°C | 25.9°C | 10.0°C | 35 mm | 73% | 4.2 m/s | 3.8 |
| 2000 | 22.1°C | 19.8°C | 17.6°C | 25.6°C | 8.7°C | 44 mm | 77% | 4.4 m/s | 3.7 |
| 1999 | 23.4°C | 21.5°C | 19.6°C | 25.6°C | 11.9°C | 145 mm | 78% | 4.3 m/s | 3.5 |
| 1998 | 22.6°C | 20.7°C | 18.7°C | 26.0°C | 13.9°C | 132 mm | 80% | 4.8 m/s | 3.2 |
| 1997 | 22.9°C | 20.7°C | 18.4°C | 26.9°C | 9.8°C | 87 mm | 76% | 3.9 m/s | 3.6 |
| 1996 | 21.8°C | 19.3°C | 16.9°C | 25.7°C | 6.4°C | 57 mm | 80% | 4.5 m/s | 3.4 |
| 1995 | 21.2°C | 19.2°C | 17.1°C | 24.6°C | 10.6°C | 77 mm | 78% | 4.4 m/s | 3.4 |
| 1994 | 22.3°C | 20.5°C | 18.7°C | 26.4°C | 12.7°C | 129 mm | 81% | 5.1 m/s | 2.9 |
| 1993 | 23.8°C | 22.3°C | 20.8°C | 25.8°C | 14.9°C | 205 mm | 82% | 4.3 m/s | 3.1 |
| 1992 | 21.7°C | 19.5°C | 17.4°C | 25.3°C | 11.0°C | 71 mm | 79% | 4.3 m/s | 3.4 |
| 1991 | 24.0°C | 22.0°C | 20.0°C | 26.9°C | 14.2°C | 135 mm | 80% | 3.9 m/s | 3.3 |
| 1990 | 24.4°C | 22.2°C | 19.9°C | 26.8°C | 14.6°C | 38 mm | 77% | 4 m/s | 3.5 |
| 1989 🔥 | 24.8°C | 22.5°C | 20.2°C | 26.4°C | 14.1°C | 48 mm | 74% | 3.5 m/s | 3.6 |
| 1988 | 21.9°C | 20.0°C | 18.1°C | 25.5°C | 10.8°C | 78 mm | 78% | 4.7 m/s | 2.7 |
| 1987 | 22.1°C | 19.3°C | 16.5°C | 26.7°C | 10.4°C | 40 mm | 77% | 4.6 m/s | 3.5 |
| 1986 | 21.8°C | 19.3°C | 16.8°C | 25.3°C | 4.4°C | 115 mm | 75% | 4.1 m/s | 3.2 |
| 1985 | 20.5°C | 17.8°C | 15.0°C | 25.0°C | 5.2°C | 26 mm | 72% | 4.6 m/s | 3.9 |
| 1984 | 22.2°C | 20.1°C | 18.1°C | 26.5°C | 12.6°C | 28 mm | 79% | 4.5 m/s | 3.1 |
| 1983 | 21.6°C | 19.6°C | 17.5°C | 25.9°C | 11.9°C | 140 mm | 78% | 3.8 m/s | — |
| 1982 | 22.8°C | 20.2°C | 17.5°C | 26.4°C | 7.3°C | 34 mm | 72% | 4.1 m/s | — |
| 1981 ❄️ | 19.8°C | 17.1°C | 14.4°C | 23.6°C | 10.1°C | 17 mm | 68% | 4.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 22.5°C with lows near 17.9°C (mean 20.2°C), based on 45 years of NASA POWER data.
January averages 67 mm of rainfall in Jupiter, one of the drier months. The wettest on record was 227 mm in 2016.
The hottest January reached 27.6°C in 2020. The coldest dipped to 4.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.5°C. Daytime highs moved from 21.4°C to 22.8°C and overnight lows from 16.5°C to 18.3°C over the same span.
January is one of the cooler months of the year in Jupiter and one of the drier months, so plan for around 22.5°C daytime highs and 17.9°C at night.
Yes — January is the coldest month of the year in Jupiter, averaging 20.2°C.
For January in Jupiter, pack light layers you can adjust through the day, with typical highs of 22.5°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 76% — quite humid.
Average wind speed in January is 4.2 m/s. The windiest January on record averaged 5.1 m/s (1994).
The wettest January on record was 2016 with 227 mm. On average, January sees 67 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 January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
