Penonomé weather in December

In December, Penonomé sees average daytime highs of 28°C and overnight lows near 23°C, with 109 mm of rain across 19.8 wet days and about 11.5 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 18% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 30 min by month's end. Set against the rest of the year, December is Penonomé's 4th-clearest and 4th-windiest month. For the whole year in context, see Penonomé's year-round climate.

Daytime high
28°
10th warmest
Overnight low
23°
6th coldest
Rainfall
109 mm
19.8 wet days
Daylight
11 h 30 min
6:32 AM – 6:03 PM
Cloud cover
66%
4th clearest
Wind
13 km/h
4th windiest
Solar energy
4.08 kWh/m²
Travel score
4.9
out of 10

Penonomé is city in Panama.

Founded
1581

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 28°C through the month.

A typical December day in Penonomé reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How December really feels in Penonomé

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Penonomé weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°3111.911.66.2
Feb28° / 22°20811.76.4
Mar29° / 23°259.111.95.9
Apr29° / 23°8716.312.24.5
May29° / 24°23028.312.43.0
Jun29° / 23°2802912.52.9
Jul29° / 23°26929.812.42.9
Aug29° / 23°29030.412.32.9
Sep29° / 23°29529.6122.8
Oct28° / 23°29929.711.83.0
Nov28° / 23°29026.611.63.7
Dec28° / 23°10919.811.54.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 26% of December, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43169
53169
63268
73268
83466
93466
103565
113664
123763
133862
144060
154258
164456
174555
184753
194951
205050
215248
225347
235446
245545
255644
265743
275842
285842
295941
305941
315842

Chance of precipitation in December

Any precipitation

Penonomé gets around 109 mm of rain over 19.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 64% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
275
374
473
572
671
770
869
968
1067
1166
1266
1365
1464
1563
1662
1762
1861
1960
2060
2160
2260
2359
2459
2559
2658
2757
2856
2955
3054
3153

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1397
2397
3496
4496
5496
6496
7496
8595
9595
10595
11694
12694
13793
14793
15892
16892
17991
18991
191090
201090
211090
221189
231189
241189
251288
261288
271288
281288
291387
301387
311387

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:25 AM to 6:39 AM, and sunset from 5:57 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:255:57
211.56:255:58
311.56:265:58
411.56:265:58
511.56:275:59
611.56:275:59
711.56:285:59
811.56:286:00
911.56:296:00
1011.56:296:00
1111.56:306:01
1211.56:306:01
1311.56:316:02
1411.56:316:02
1511.56:326:02
1611.56:326:03
1711.56:336:03
1811.56:336:04
1911.56:346:04
2011.56:346:05
2111.56:356:05
2211.56:356:06
2311.56:366:06
2411.56:366:06
2511.56:376:07
2611.56:376:07
2711.56:386:08
2811.56:386:08
2911.56:386:09
3011.56:396:09
3111.56:396:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.08 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 5.66 kWh/m² in March across the year — December's 4.08 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
104.0Moderate
114.0Moderate
124.0Moderate
134.0Bright
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.4Bright
Planning a trip in December

Hazard calendar for Penonomé

In seasonPeak

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

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

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

Is December a good time to visit Penonomé?

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

4.9
Sightseeing
4th-best month of the year
5.3
Beach & pool
5th-best month of the year

December is a reasonable time to visit Penonomé for sightseeing.

What to pack for Penonomé in December

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

In December, Penonomé sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 20 days see rain.

light clothesrain gear

Sea temperature near Penonomé in December

The nearest coast averages about 28°C 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 30 km away) is warmest in June at about 29°C and coldest in March near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Tropical

UV index in Penonomé in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Penonomé peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 13Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Penonomé 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 Penonomé is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 1923 µg/m³Nov 1212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar18Moderate
Apr23Moderate
May21Moderate
Jun19Moderate
Jul22Moderate
Aug17Moderate
Sep14Moderate
Oct12Moderate
Nov12Good
Dec13Moderate
Location & terrain

Where is Penonomé?

Penonomé sits at 8.5°N, 80.4°W, 90 m above sea level, in Panama. The nearest listed city is La Chorrera, 75 km away.

La ChorreraSantiago de VeraguasVeracruzArraijánBalboaEl ChorrilloAncónCurundú

Topography around Penonomé

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Penonomé.

Within 3 km, the terrain around Penonomé has only modest variations in elevation — a maximum elevation change of 229 m around an average of 85 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 676 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,872 m.

The land around Penonomé is covered by trees (53%) and grassland (28%) within 3 km, trees (58%) and grassland (36%) within 16 km, and trees (46%), water (30%) and grassland (20%) within 80 km.

3 km
229 m
16 km
676 m
80 km
1,872 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: La Chorrera 75 km · Santiago de Veraguas 83 km · Veracruz 91 km · Arraiján 92 km · Balboa 99 km · El Chorrillo 101 km · Ancón 101 km · Curundú 102 km

Panama travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
110 V · 60 Hz
Prices
≈ 45% of US
price level, 2025
GDP per capita
$19,790
2025
Happiness
6.5 / 10
World Happiness, 2025
Homicide rate
11.7
per 100k, 2023
Road deaths
13.9
per 100k/yr, 2019
Income group
High
World Bank
English
Low
EF EPI 491
Religion
Evangelical 55%Roman Catholic 33%none 10%

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 Penonomé (8.5189°, -80.3573°, elevation 90 m), 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. 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).