Jupiter weather in December

In December, Jupiter sees average daytime highs of 73°F and overnight lows near 68°F, with 1.8 in of rain across 8.2 wet days and about 10.3 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 73°F through the month. The sky is clear or mostly clear about 33% of the time in December, and the air most often feels muggy.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Jupiter's 7th-clearest and 4th-windiest month. For the whole year in context, see Jupiter's year-round climate.

Daytime high
73°
10th warmest
Overnight low
68°
4th coldest
Rainfall
1.8 in
8.2 wet days
Daylight
10 h 18 min
7:07 AM – 5:26 PM
Cloud cover
55%
7th clearest
Wind
11 mph
4th windiest
Solar energy
3.06 kWh/m²
Travel score
7.1
out of 10

Jupiter is town located in Palm Beach County, Florida, United States.

Density
1,041/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 73°F through the month.

A typical December day in Jupiter reaches about 73°F in the afternoon and slips back to 68°F overnight — a 5°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 78°F. Set against its neighbours, December runs about 3°F cooler than November and about 2°F warmer than January.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17570
27469
37469
47469
57469
67469
77469
87469
97469
107469
117468
127468
137368
147368
157368
167368
177368
187367
197367
207367
217367
227367
237367
247367
257367
267267
277267
287267
297266
307266
317266

How December really feels in Jupiter

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jupiter weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan71° / 65°2.17.710.57.0
Feb72° / 66°1.96.5117.3
Mar74° / 68°2.67.411.87.4
Apr76° / 71°2.58.212.67.4
May80° / 75°3.511.713.36.5
Jun83° / 78°5.719.813.74.6
Jul84° / 80°4.52113.54.1
Aug85° / 80°5.922.8133.8
Sep83° / 79°6.72212.24.1
Oct80° / 76°4.614.111.46.0
Nov76° / 72°2.49.410.77.1
Dec73° / 68°1.88.210.37.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56238
66139
76139
86040
95941
105941
115842
125644
135644
145446
155347
165347
175149
185050
194951
204852
214852
224852
234753
244852
254852
264852
274852
285050
295050
305149
315149

Chance of precipitation in December

Any precipitation

Jupiter gets around 1.8 in of rain over 8.2 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1127
1227
1327
1426
1526
1626
1726
1826
1926
2026
2126
2227
2327
2427
2527
2627
2727
2828
2928
3028
3128

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11216273312
21216273312
31316263312
41316263412
51416253412
61416243512
71415233512
81515233512
91515223512
101615223511
111616223511
121716223511
131716223411
141717213410
151817213310
161818213310
171918213210
181919213210
19191920329
20192020319
21202020319
22202020319
23202020319
24202020319
25202020319
26212020319
27211920319
28211820329
29221820328
30231720328
31241720328

Wind in December

Winds average 11 mph in December.

Across December, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
112light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 24 min at the start of December to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:57 AM to 7:14 AM, and sunset from 5:23 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.46:575:23
210.46:585:23
310.46:595:23
410.46:595:23
510.47:005:23
610.47:015:23
710.47:025:24
810.47:025:24
910.47:035:24
1010.37:035:24
1110.37:045:24
1210.37:055:25
1310.37:055:25
1410.37:065:25
1510.37:075:26
1610.37:075:26
1710.37:085:26
1810.37:085:27
1910.37:095:27
2010.37:095:28
2110.37:105:28
2210.37:105:28
2310.37:115:29
2410.37:115:29
2510.37:125:30
2610.37:125:30
2710.37:125:31
2810.37:135:32
2910.37:135:32
3010.37:135:33
3110.37:145:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.06 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 6.38 kWh/m² in May across the year — December's 3.06 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.1Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in December

Hazard calendar for Jupiter

In seasonPeak

None of Jupiter's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Jupiter sits in the Atlantic hurricane belt; the season peaks August–October.

Jupiter's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Jupiter?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.1
Sightseeing
4th-best month of the year
5.5
Beach & pool
6th-best month of the year

December is one of the better times to visit Jupiter for general sightseeing.

What to pack for Jupiter in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Jupiter sees daytime highs around 73°F and nights near 68°F. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Jupiter in December

The nearest coast averages about 77°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 mi away) is warmest in August at about 84°F and coldest in February near 74°F.

The water stays above 68°F all year — warm enough for a swim any month.

75°80°85°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan74Refreshing
Feb74Refreshing
Mar75Refreshing
Apr76Warm
May79Warm
Jun82Warm
Jul83Tropical
Aug84Tropical
Sep84Tropical
Oct82Warm
Nov79Warm
Dec77Warm

UV index in Jupiter in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jupiter peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Jupiter in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Jupiter is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1819 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May11Good
Jun15Moderate
Jul20Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Jupiter?

Jupiter sits at 26.9°N, 80.1°W, 3 ft above sea level, in United States. The nearest listed city is Palm Beach Gardens, 8.1 mi away.

Topography around Jupiter

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Jupiter.

Within 2 miles, the terrain around Jupiter has only modest variations in elevation — a maximum elevation change of 39 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 66 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 210 ft.

The land around Jupiter is covered by artificial surfaces (42%), trees (23%) and water (22%) within 2 miles, water (44%) and trees (26%) within 10 miles, and water (44%) within 50 miles.

2 miles
39 ft
10 miles
66 ft
50 miles
210 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Palm Beach Gardens 8.1 mi · Riviera Beach 11 mi · The Acreage 14 mi · West Palm Beach 16 mi · Royal Palm Beach 18 mi · Palm City 19 mi · Palm Springs 21 mi · Stuart 21 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Jupiter (26.9342°, -80.0942°, elevation 3 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).