Sirte weather in December

In December, Sirte sees average daytime highs of 18°C and overnight lows near 14°C, with 30 mm of rain across 6 wet days and about 10 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 51% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Sirte's 12th-clearest and 3rd-windiest month. For the whole year in context, see Sirte's year-round climate.

Daytime high
18°
10th warmest
Overnight low
14°
4th coldest
Rainfall
30 mm
6 wet days
Daylight
10 hours
7:50 AM – 5:49 PM
Cloud cover
41%
12th clearest
Wind
21 km/h
3rd windiest
Solar energy
2.96 kWh/m²
Travel score
6.9
out of 10

Sirte is coastal city in Libya.

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 20°C in the first days to 17°C by the end.

A typical December day in Sirte reaches about 18°C in the afternoon and slips back to 14°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°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)
12016
22016
32016
42015
52015
61915
71915
81915
91915
101915
111915
121914
131914
141914
151814
161814
171814
181814
191814
201814
211814
221814
231814
241814
251814
261813
271813
281713
291713
301713
311713

Sirte weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 13°356.610.26.2
Feb17° / 13°224.610.96.7
Mar19° / 14°132.411.87.7
Apr21° / 16°41.112.78.4
May24° / 19°30.513.69.1
Jun26° / 22°10.1149.1
Jul28° / 24°0013.88.6
Aug29° / 25°00.113.17.7
Sep29° / 24°40.812.27.8
Oct26° / 22°142.611.28.3
Nov22° / 18°163.410.48.1
Dec18° / 14°306106.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of December, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37525
47525
57525
67525
77525
87525
97426
107327
117327
127426
137426
147426
157327
167327
177426
187327
197327
207327
217327
227327
237426
247426
257525
267525
277624
287624
297624
307723
317723

Chance of precipitation in December

Any precipitation

Sirte gets around 30 mm of rain over 6 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 19% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
113
214
315
416
516
617
718
818
918
1019
1119
1219
1319
1419
1519
1619
1719
1819
1919
2020
2120
2220
2321
2421
2522
2623
2723
2824
2924
3024
3125

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
180191
282171
383161
486140
587130
688120
789110
890100
99190
109190
119280
129280
139370
149460
159460
169460
179550
189550
199550
209640
219640
229640
239640
249730
259730
269730
279730
289820
299820
309820
319820

Wind in December

Winds average 21 km/h in December.

Across December, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:40 AM to 7:57 AM, and sunset from 5:47 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:405:47
210.17:415:47
310.17:415:47
410.17:425:47
510.17:435:47
610.17:445:47
710.07:445:47
810.07:455:47
910.07:465:47
1010.07:475:48
1110.07:475:48
1210.07:485:48
1310.07:495:48
1410.07:495:49
1510.07:505:49
1610.07:505:49
1710.07:515:50
1810.07:515:50
1910.07:525:50
2010.07:535:51
2110.07:535:51
2210.07:545:52
2310.07:545:52
2410.07:545:53
2510.07:555:53
2610.07:555:54
2710.07:565:54
2810.07:565:55
2910.07:565:55
3010.07:575:56
3110.07:575:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.96 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 7.57 kWh/m² in June across the year — December's 2.96 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.0Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in December

Hazard calendar for Sirte

In seasonPeak

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

Sirte sees seasonal dust haze (March–June), heaviest in April.

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

Is December a good time to visit Sirte?

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

6.9
Sightseeing
10th-best month of the year
2.7
Beach & pool
10th-best month of the year

December is a reasonable time to visit Sirte for sightseeing.

What to pack for Sirte in December

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

In December, Sirte sees daytime highs around 18°C and nights near 14°C. Worth packing: a windbreaker. About 6 days see rain.

a windbreaker

Sea temperature near Sirte 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 19 km away) is warmest in August at about 28°C and coldest in March near 17°C.

It's comfortable for a long swim from May 19 to Dec 16 — about 7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Cool
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in Sirte in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sirte peaks around August 12 at about 10 (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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateAug 12UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug10Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Sirte 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 Sirte is worst in April — around 37 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (August, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateApr 1336 µg/m³Aug 98 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb29Moderate
Mar32Moderate
Apr37Poor
May26Moderate
Jun12Moderate
Jul8Good
Aug8Good
Sep12Good
Oct20Moderate
Nov24Moderate
Dec23Moderate
Location & terrain

Where is Sirte?

Sirte sits at 31.2°N, 16.6°E, 17 m above sea level, in Libya. The nearest listed city is Bin Jawwād, 149 km away.

Bin JawwādMisratahZlitenHūnBani WalidAl KhumsMsalātahAl-'Alūaṣ

Topography around Sirte

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

Within 3 km, the terrain around Sirte has only modest variations in elevation — a maximum elevation change of 42 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 84 m; within 80 km, only modest variations in elevation — a maximum elevation change of 218 m.

The land around Sirte is covered by water (44%) and artificial surfaces (34%) within 3 km, water (48%) and bare terrain (27%) within 16 km, and bare terrain (61%) and water (34%) within 80 km.

3 km
42 m
16 km
84 m
80 km
218 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Bin Jawwād 149 km · Misratah 192 km · Zliten 237 km · Hūn 240 km · Bani Walid 254 km · Al Khums 272 km · Msalātah 285 km · Al-'Alūaṣ 298 km

Libya travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$6,449
2025
Happiness
5.7 / 10
World Happiness, 2025
Road deaths
21.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 395
Religion
Muslim 97%Christian 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 Sirte (31.2089°, 16.5887°, elevation 17 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).