Liberia weather in December

In December, Liberia sees average daytime highs of 29°C and overnight lows near 22°C, with 12 mm of rain across 2 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 56% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Liberia's 4th-clearest and 4th-windiest month. For the whole year in context, see Liberia's year-round climate.

Daytime high
29°
11th warmest
Overnight low
22°
5th coldest
Rainfall
12 mm
2 wet days
Daylight
11 h 24 min
5:56 AM – 5:19 PM
Cloud cover
42%
4th clearest
Wind
14 km/h
4th windiest
Solar energy
4.77 kWh/m²
Travel score
6.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Liberia reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How December really feels in Liberia

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.

Liberia weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°30.611.47.1
Feb30° / 22°20.311.66.5
Mar32° / 22°30.911.95.4
Apr33° / 23°304.712.24.0
May32° / 23°24317.912.53.3
Jun30° / 23°27622.512.63.3
Jul30° / 23°16116.412.64.1
Aug30° / 22°20719.612.43.7
Sep29° / 22°35225.712.13.1
Oct29° / 22°36125.111.83.5
Nov29° / 22°10911.411.55.3
Dec29° / 22°12211.46.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35941
46139
56238
66337
76337
86436
96535
106733
116733
126931
136931
147030
157129
167228
177426
187426
197624
207723
217822
227921
238020
248119
258119
268218
278218
288218
298317
308317
318317

Chance of precipitation in December

Any precipitation

Liberia gets around 12 mm of rain over 2 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 7% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
214
313
412
511
610
79
89
98
108
118
128
137
147
157
167
177
186
196
206
216
225
235
245
255
264
274
284
294
303
313

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
144749
244947
345145
445343
555441
655639
755837
856035
956134
1056233
1156332
1266430
1366529
1466529
1566628
1666727
1766826
1876825
1976924
2077023
2177122
2277221
2377419
2477518
2577617
2687616
2787715
2887814
2987913
3088012
3188111

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312light breeze
412light breeze
512light breeze
612light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1714light 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
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 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 5:49 AM to 6:03 AM, and sunset from 5:14 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:495:14
211.45:495:14
311.45:505:15
411.45:505:15
511.45:515:15
611.45:515:16
711.45:525:16
811.45:525:16
911.45:535:17
1011.45:535:17
1111.45:545:17
1211.45:545:18
1311.45:555:18
1411.45:555:19
1511.45:565:19
1611.45:565:19
1711.45:575:20
1811.45:575:20
1911.45:585:21
2011.45:585:21
2111.45:595:22
2211.45:595:22
2311.46:005:23
2411.46:005:23
2511.46:015:23
2611.46:015:24
2711.46:025:24
2811.46:025:25
2911.46:035:25
3011.46:035:26
3111.46:035:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.56 kWh/m² in March across the year — December's 4.77 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Liberia

In seasonPeak

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

Liberia's monsoon runs August–October, when most of the year's rain falls.

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

Is December a good time to visit Liberia?

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

6.9
Sightseeing
2nd-best month of the year
8.4
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Liberia for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Liberia in December

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

In December, Liberia sees daytime highs around 29°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Liberia in December

The nearest coast averages about 27°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 20 km away) is warmest in May at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in Liberia in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Liberia peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 19UV 14Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Liberia 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 Liberia is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1619 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr19Moderate
May19Moderate
Jun16Moderate
Jul20Moderate
Aug16Moderate
Sep12Good
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Liberia?

Liberia sits at 10.6°N, 85.4°W, 148 m above sea level, in Costa Rica. The nearest listed city is Cañas, 44 km away.

CañasSan JoséNicoyaTamarindoMonteverdeSan Juan del SurLa FortunaSan Carlos

Topography around Liberia

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

Within 3 km, the terrain around Liberia has only modest variations in elevation — a maximum elevation change of 109 m around an average of 151 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 726 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,977 m.

The land around Liberia is covered by grassland (38%), trees (35%) and artificial surfaces (24%) within 3 km, trees (57%) and grassland (37%) within 16 km, and trees (46%) and water (32%) within 80 km.

3 km
109 m
16 km
726 m
80 km
1,977 m
treesgrasslandcroplandartificial surfaceswatermangroves
December weather nearby: Cañas 44 km · San José 48 km · Nicoya 54 km · Tamarindo 58 km · Monteverde 78 km · San Juan del Sur 83 km · La Fortuna 89 km · San Carlos 90 km

Costa Rica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$19,970
2025
Happiness
7.4 / 10
World Happiness, 2025
Safe drinking water
81%
of population, 2024
Homicide rate
17.7
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 516
Religion
Roman Catholic 48%none 27%Evangelical and Pentecostal 20%other 3%

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 Liberia (10.6352°, -85.4378°, elevation 148 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).