Tripoli weather in December

In December, Tripoli sees average daytime highs of 17°C and overnight lows near 13°C, with 145 mm of precipitation across 12.4 wet days and about 9.7 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 45% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Tripoli's 11th-clearest and 7th-windiest month. For the whole year in context, see Tripoli's year-round climate.

Daytime high
17°
9th warmest
Overnight low
13°
4th coldest
Precipitation
145 mm
12.4 wet days
Daylight
9 h 42 min
6:42 AM – 4:24 PM
Cloud cover
45%
11th clearest
Wind
14 km/h
7th windiest
Solar energy
2.53 kWh/m²
Travel score
5.2
out of 10

Tripoli is city in northern Lebanon.

Density
16,386/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

Highs ease over the month, from about 18°C in the first days to 15°C by the end.

A typical December day in Tripoli reaches about 17°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11815
21815
31814
41814
51814
61714
71714
81714
91714
101714
111714
121713
131713
141613
151613
161613
171613
181613
191613
201613
211613
221613
231613
241613
251613
261612
271612
281612
291612
301512
311512

Tripoli weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 11°14614104.2
Feb15° / 11°12411.310.74.4
Mar16° / 13°939.311.75.5
Apr19° / 15°385.712.87.1
May22° / 19°162.813.88.5
Jun25° / 22°10.314.39.5
Jul27° / 25°00.114.19.1
Aug28° / 25°00.113.38.9
Sep27° / 24°71.412.28.8
Oct24° / 21°425.611.18.2
Nov20° / 17°898.710.26.9
Dec17° / 13°14512.49.75.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36535
46535
56436
66535
76535
86436
96436
106436
116436
126436
136436
146535
156535
166535
176535
186535
196733
206733
216733
226733
236832
246832
256832
266832
276832
286832
296832
306832
316832

Chance of precipitation in December

Any precipitation

Tripoli gets around 145 mm of rain and snow over 12.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 44% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
235
335
436
537
638
739
840
940
1041
1141
1242
1342
1442
1542
1642
1742
1842
1942
2041
2141
2241
2341
2441
2541
2641
2742
2843
2943
3044
3144

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18515
28614
38812
48911
59010
6919
7928
8937
9946
10946
11955
12964
13964
14973
15973
16982
17982
18982
19982
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light 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 9 h 54 min at the start of December to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 6:30 AM to 6:48 AM, and sunset from 4:22 PM to 4:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:304:22
29.86:314:22
39.86:324:22
49.86:334:22
59.86:344:22
69.86:354:22
79.86:354:22
89.86:364:22
99.86:374:22
109.86:384:23
119.76:384:23
129.76:394:23
139.76:404:23
149.76:404:23
159.76:414:24
169.76:424:24
179.76:424:24
189.76:434:25
199.76:434:25
209.76:444:26
219.76:444:26
229.76:454:26
239.76:454:27
249.76:464:27
259.76:464:28
269.76:464:28
279.76:474:29
289.76:474:30
299.76:474:30
309.76:484:31
319.76:484:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.53 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 7.8 kWh/m² in June across the year — December's 2.53 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Tripoli

In seasonPeak

In December, Tripoli sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Tripoli's rainy season runs November–March, 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 Tripoli?

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

5.2
Sightseeing
10th-best month of the year
1.0
Beach & pool
9th-best month of the year

December is a reasonable time to visit Tripoli for sightseeing.

What to pack for Tripoli in December

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

In December, Tripoli sees daytime highs around 17°C and nights near 13°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Tripoli in December

The nearest coast averages about 20°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 21 km away) is warmest in August at about 28°C and coldest in February near 17°C.

It's comfortable for a long swim from May 4 to Dec 22 — about 7.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May21Refreshing
Jun25Warm
Jul27Warm
Aug28Tropical
Sep28Warm
Oct26Warm
Nov23Refreshing
Dec20Refreshing

UV index in Tripoli in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tripoli peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 20UV 11Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Tripoli 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 Tripoli is worst in February — around 49 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (July, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1948 µg/m³Jul 2324 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb49Poor
Mar47Poor
Apr48Poor
May38Poor
Jun28Moderate
Jul24Moderate
Aug24Moderate
Sep30Moderate
Oct38Poor
Nov46Poor
Dec47Poor
Location & terrain

Where is Tripoli?

Tripoli sits at 34.4°N, 35.8°E, 51 m above sea level, in Lebanon. The nearest listed city is Bsharri, 25 km away.

BsharriByblosTallkalakhEl HermelJouniehChmistâr

Topography around Tripoli

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

Within 3 km, the terrain around Tripoli has only modest variations in elevation — a maximum elevation change of 135 m around an average of 43 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,293 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,079 m.

The land around Tripoli is covered by artificial surfaces (47%) and grassland (20%) within 3 km, water (49%) and trees (27%) within 16 km, and water (31%) and grassland (30%) within 80 km.

3 km
135 m
16 km
1,293 m
80 km
3,079 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Bsharri 25 km · Byblos 39 km · Tallkalakh 46 km · El Hermel 50 km · Şāfītā 50 km · Ţarţūs 51 km · Jounieh 54 km · Chmistâr 55 km

Lebanon travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / G
220 V · 50 Hz
Prices
≈ 38% of US
price level, 2024
GDP per capita
$4,473
2024
Happiness
3.7 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
2.2
per 100k, 2020
Road deaths
16.4
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 477
Religion
Muslim 68%Christian 32%Druze 5%

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 Tripoli (34.4335°, 35.8441°, elevation 51 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).