Killarney weather in December

In December, Killarney sees average daytime highs of 24°C and overnight lows near 23°C, with 40 mm of rain across 6.9 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 48% of the time in December, and the air most often feels muggy.

Daylight stretches from about 10 h 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Killarney's 5th-clearest and 3rd-windiest month. For the whole year in context, see Killarney's year-round climate.

Daytime high
24°
9th warmest
Overnight low
23°
4th coldest
Rainfall
40 mm
6.9 wet days
Daylight
10 h 30 min
6:52 AM – 5:19 PM
Cloud cover
47%
5th clearest
Wind
24 km/h
3rd windiest
Solar energy
3.48 kWh/m²
Travel score
7.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Killarney reaches about 24°C in the afternoon and slips back to 23°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12524
22523
32523
42523
52523
62523
72523
82523
92423
102423
112423
122423
132423
142423
152423
162423
172423
182423
192423
202423
212423
222423
232423
242423
252423
262422
272422
282422
292422
302422
312422

How December really feels in Killarney

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.

Killarney weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 22°417.710.67.5
Feb23° / 22°325.111.17.9
Mar23° / 22°345.911.87.9
Apr24° / 23°485.612.68.0
May26° / 25°778.513.27.2
Jun27° / 26°8914.113.55.8
Jul28° / 27°7013.813.45.4
Aug29° / 27°11116.312.95.0
Sep28° / 27°13118.312.24.7
Oct27° / 26°13516.511.45.6
Nov25° / 24°71910.87.1
Dec24° / 23°406.910.57.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47129
57129
67129
77129
87030
97030
107030
116832
126832
136733
146634
156535
166436
176337
186337
196139
206139
216139
226139
236139
246040
256040
266040
276040
286139
296238
306238
316238

Chance of precipitation in December

Any precipitation

Killarney gets around 40 mm of rain over 6.9 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 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
424
524
624
724
824
924
1024
1124
1224
1324
1424
1524
1624
1723
1823
1923
2023
2123
2222
2322
2422
2522
2622
2722
2822
2922
3023
3123

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13102142241
23102042251
33102041251
44101941251
54101840261
65111839271
75111839271
85121738281
96121737280
106131736280
116131735280
127141734280
137141734280
147151833270
157151833270
167161833260
177161933250
188171933240
198171933240
208171934230
218171934220
228171935210
238171936200
248171937200
258161937200
268161938190
278161838190
289151838200
299151838200
3010151838200
3110151838190

Wind in December

Winds average 24 km/h in December.

Across December, daily wind ranges from about 24 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy
3124breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 36 min at the start of December to 10 h 30 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 6:43 AM to 6:59 AM, and sunset from 5:16 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:435:16
210.56:435:16
310.56:445:16
410.56:455:16
510.56:465:16
610.56:465:17
710.56:475:17
810.56:475:17
910.56:485:17
1010.56:495:17
1110.56:495:18
1210.56:505:18
1310.56:515:18
1410.56:515:19
1510.56:525:19
1610.56:525:19
1710.46:535:20
1810.46:535:20
1910.46:545:21
2010.46:545:21
2110.46:555:21
2210.46:555:22
2310.46:565:22
2410.46:565:23
2510.46:575:23
2610.46:575:24
2710.46:585:24
2810.56:585:25
2910.56:585:26
3010.56:595:26
3110.56:595:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.48 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.48 kWh/m² to a high of 6.59 kWh/m² in July across the year — December's 3.48 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.5Moderate
313.5Moderate
Planning a trip in December

Hazard calendar for Killarney

In seasonPeak

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

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

Killarney's rainy season runs May–November, 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 Killarney?

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

7.6
Sightseeing
4th-best month of the year
6.5
Beach & pool
4th-best month of the year

December is one of the better times to visit Killarney for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Killarney in December

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

In December, Killarney sees daytime highs around 24°C and nights near 23°C. Worth packing: light clothes and a windbreaker. About 7 days see rain.

light clothesa windbreaker

Sea temperature near Killarney in December

The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 30°C and coldest in February near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar24Warm
Apr25Warm
May26Warm
Jun28Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in Killarney 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 Killarney peaks around July 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 19UV 12Dec 18UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May11Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Extreme
Oct9Very high
Nov6High
Dec5High

Air quality in Killarney 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 Killarney is worst in July — around 21 µg/m³ PM2.5 (moderate), about 4.4× the cleanest month (December, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1620 µg/m³Dec 185 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar6Good
Apr8Good
May9Good
Jun16Moderate
Jul21Moderate
Aug15Moderate
Sep10Good
Oct8Good
Nov5Good
Dec5Good
Location & terrain

Where is Killarney?

Killarney sits at 25.1°N, 77.4°W, 6 m above sea level, in Bahamas. The nearest listed city is Nassau, 7.0 km away.

LucayaFreeport

Topography around Killarney

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

Within 3 km, the terrain around Killarney has only modest variations in elevation — a maximum elevation change of 33 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 33 m.

The land around Killarney is covered by water (31%) and trees (24%) within 3 km, water (76%) within 16 km, and water (88%) within 80 km.

3 km
33 m
16 km
37 m
80 km
33 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Nassau 7.0 km · Lucaya 207 km · Freeport 209 km · Miami Beach 285 km · Sunny Isles Beach 289 km · Miami 290 km · Aventura 291 km · Ojus 292 km

Bahamas travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 96% of US
price level, 2024
GDP per capita
$39,455
2024
Homicide rate
32.2
per 100k, 2022
Road deaths
7.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 70%other Christian 13%Roman Catholic 12%none 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 Killarney (25.05°, -77.4167°, elevation 6 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. 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).