Chmistâr weather in December

In December, Chmistâr sees average daytime highs of 10°C and overnight lows near 0°C, with 79 mm of precipitation across 10.8 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 8°C by the end. The sky is clear or mostly clear about 37% 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 48 min by month's end. Set against the rest of the year, December is Chmistâr's 10th-clearest and 8th-windiest month. For the whole year in context, see Chmistâr's year-round climate.

Daytime high
10°
10th warmest
Overnight low
3rd coldest
Precipitation
79 mm
10.8 wet days
Daylight
9 h 42 min
6:40 AM – 4:25 PM
Cloud cover
52%
10th clearest
Wind
6 km/h
8th windiest
Solar energy
2.7 kWh/m²
Travel score
2.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 8°C by the end.

A typical December day in Chmistâr reaches about 10°C in the afternoon and slips back to 0°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 15°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1122
2122
3122
4111
5111
6111
7111
8111
9101
10101
11101
12100
13100
14100
1590
1690
1790
1890
1990
2090
2190
229-1
239-1
249-1
259-1
269-1
278-1
288-1
298-1
308-1
318-1

How December really feels in Chmistâr

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Chmistâr weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°10212.67.4100.8
Feb / -1°9611.56.710.71.3
Mar11° / 8311.2411.72.9
Apr16° / 488.50.512.85.4
May21° / 317013.77.6
Jun25° / 14°51.5014.29.1
Jul28° / 16°20.50148.4
Aug29° / 16°30.7013.37.9
Sep26° / 14°72012.28.8
Oct22° / 10°296.5011.17.7
Nov15° / 537.70.610.25.1
Dec10° / 7910.83.79.82.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35446
45248
55248
65149
75149
85149
95149
105050
115050
125149
135149
145149
155248
165347
175347
185446
195545
205545
215644
225644
235545
245644
255644
265545
275446
285248
295248
305149
315050

Chance of precipitation in December

Any precipitationSnow

Chmistâr gets around 79 mm of rain and snow over 10.8 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 35% and peaks near 40% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1305
2316
3326
4336
5347
6347
7358
8368
9369
10379
113710
123710
133611
143611
153612
163513
173513
183414
193414
203415
213415
223415
233415
243415
253516
263616
273616
283717
293817
303918
314018

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 54 min at the start of December to 9 h 48 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 6:29 AM to 6:46 AM, and sunset from 4:23 PM to 4:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.96:294:23
29.96:294:23
39.96:304:23
49.96:314:23
59.86:324:23
69.86:334:23
79.86:334:23
89.86:344:23
99.86:354:23
109.86:364:23
119.86:364:23
129.86:374:23
139.86:384:24
149.86:384:24
159.86:394:24
169.76:404:25
179.76:404:25
189.76:414:25
199.76:414:26
209.76:424:26
219.76:424:27
229.76:434:27
239.76:434:27
249.76:444:28
259.76:444:28
269.76:454:29
279.76:454:30
289.76:454:30
299.86:464:31
309.86:464:31
319.86:464:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.7 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.7 kWh/m² to a high of 8.14 kWh/m² in June across the year — December's 2.7 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.9Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.8Moderate
Planning a trip in December

Hazard calendar for Chmistâr

In seasonPeak

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

Chmistâr's rainy season runs November–April, 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 Chmistâr?

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

2.1
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Chmistâr.

What to pack for Chmistâr in December

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

In December, Chmistâr sees daytime highs around 10°C and nights near 0°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Chmistâr in December

The nearest coast averages about 21°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 40 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 3 to Dec 23 — about 7.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb17Cool
Mar17Cool
Apr19Cool
May21Refreshing
Jun25Warm
Jul27Warm
Aug28Tropical
Sep28Warm
Oct26Warm
Nov23Refreshing
Dec21Refreshing

UV index in Chmistâr 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 Chmistâr peaks around June 20 at about 12 (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 highHighModerateJun 20UV 12Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Chmistâr 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 Chmistâr is worst in November — around 58 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorUnhealthyNov 2258 µg/m³Jul 2231 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb57Unhealthy
Mar52Poor
Apr54Poor
May44Poor
Jun35Poor
Jul31Moderate
Aug31Moderate
Sep41Poor
Oct51Poor
Nov58Unhealthy
Dec57Unhealthy
Location & terrain

Where is Chmistâr?

Chmistâr sits at 34.0°N, 36.0°E, 1,137 m above sea level, in Lebanon. The nearest listed city is Zahle, 17 km away.

ZahleBaalbekAz ZabadānīBsharriJouniehByblosAleyAarsâl

Topography around Chmistâr

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

Within 3 km, the terrain around Chmistâr has significant variations in elevation — a maximum elevation change of 575 m around an average of 1,198 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,731 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,079 m.

The land around Chmistâr is covered by grassland (61%) within 3 km, grassland (57%) and cropland (21%) within 16 km, and grassland (38%) and water (20%) within 80 km.

3 km
575 m
16 km
1,731 m
80 km
3,079 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Zahle 17 km · Baalbek 19 km · Az Zabadānī 28 km · Bsharri 32 km · Jounieh 37 km · Byblos 38 km · Aley 42 km · Aarsâl 44 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 Chmistâr (33.9647°, 36.0175°, elevation 1,137 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).