Yanbu weather in December

In December, Yanbu sees average daytime highs of 26°C and overnight lows near 22°C, with 11 mm of rain across 1.3 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 77% of the time in December, and the air most often feels comfortable.

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 Yanbu's 11th-clearest and 9th-windiest month. For the whole year in context, see Yanbu's year-round climate.

Daytime high
26°
9th warmest
Overnight low
22°
4th coldest
Rainfall
11 mm
1.3 wet days
Daylight
10 h 30 min
7:08 AM – 5:39 PM
Cloud cover
21%
11th clearest
Wind
17 km/h
9th windiest
Solar energy
4.28 kWh/m²
Travel score
8.8
out of 10
Air quality
Severe
PM2.5 75 µg/m³ · 2017

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 27°C in the first days to 25°C by the end.

A typical December day in Yanbu reaches about 26°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32723
42723
52723
62723
72723
82623
92623
102623
112623
122623
132623
142622
152622
162622
172622
182622
192622
202622
212622
222522
232522
242522
252522
262522
272522
282522
292522
302521
312521

How December really feels in Yanbu

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.

Yanbu 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
Jan24° / 21°81.410.79.1
Feb24° / 21°30.611.29.3
Mar25° / 22°10.511.89.2
Apr27° / 24°10.112.58.9
May29° / 27°0013.17.2
Jun31° / 28°0013.56.1
Jul32° / 29°0013.35.6
Aug32° / 30°0012.85.2
Sep32° / 29°0012.15.6
Oct31° / 28°20.311.46.3
Nov28° / 25°181.710.87.8
Dec26° / 22°111.310.58.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58812
68812
78713
88713
98713
108713
118812
128812
138812
148812
158812
168713
178713
188713
198713
208713
218713
228713
238713
248614
258614
268614
278515
288515
298416
308416
318317

Chance of precipitation in December

Any precipitation

Yanbu gets around 11 mm of rain over 1.3 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 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
34
44
54
64
74
84
94
104
113
123
133
143
153
163
173
183
193
204
214
224
235
245
255
265
276
286
296
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1143225218
2153225217
3163325206
4173425196
5183424195
6193524185
7203524175
8213623164
9233623154
10243622144
11263622134
12273621123
13283621113
14293620113
15313620103
16323620103
17333619103
18333519102
19343518102
20353418112
21353418112
22353318122
23353317132
24353217132
25353217142
26353217152
27353117152
28353117162
29363017162
30372916162
31382916162

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1818light breeze
1918light breeze
2018light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

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 6:59 AM to 7:15 AM, and sunset from 5:36 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:595:36
210.67:005:36
310.67:005:36
410.67:015:36
510.67:025:37
610.67:025:37
710.67:035:37
810.67:045:37
910.67:045:37
1010.57:055:38
1110.57:055:38
1210.57:065:38
1310.57:075:38
1410.57:075:39
1510.57:085:39
1610.57:085:39
1710.57:095:40
1810.57:095:40
1910.57:105:41
2010.57:105:41
2110.57:115:42
2210.57:115:42
2310.57:125:42
2410.57:125:43
2510.57:135:43
2610.57:135:44
2710.57:145:45
2810.57:145:45
2910.57:145:46
3010.57:155:46
3110.57:155:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.28 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 7.56 kWh/m² in May across the year — December's 4.28 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Yanbu

In seasonPeak

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

Yanbu sees seasonal dust haze (April–September), heaviest in June.

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

Is December a good time to visit Yanbu?

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

8.8
Sightseeing
5th-best month of the year
8.3
Beach & pool
10th-best month of the year

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

What to pack for Yanbu in December

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

In December, Yanbu sees daytime highs around 26°C and nights near 22°C. Worth packing: light clothes.

light clothes

Sea temperature near Yanbu 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 19 km away) 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°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb24Warm
Mar25Warm
Apr26Warm
May27Warm
Jun28Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec27Warm

UV index in Yanbu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yanbu peaks around May 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateMay 23UV 11Dec 17UV 4
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr10Very high
May12Extreme
Jun11Extreme
Jul10Very high
Aug10Very high
Sep9Very high
Oct8Very high
Nov6High
Dec4Moderate

Air quality in Yanbu 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 Yanbu is worst in April — around 99 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 58 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Yanbu's WHO annual average of 75 µg/m³.

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyApr 1199 µg/m³Nov 1059 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb78Unhealthy
Mar96Unhealthy
Apr99Unhealthy
May83Unhealthy
Jun73Unhealthy
Jul58Unhealthy
Aug66Unhealthy
Sep68Unhealthy
Oct61Unhealthy
Nov58Unhealthy
Dec77Unhealthy
Location & terrain

Where is Yanbu?

Yanbu sits at 24.1°N, 38.1°E, 6 m above sea level, in Saudi Arabia. The nearest listed city is Badr Ḩunayn, 82 km away.

UmlujSulţānahMedinaRābighThuwalKhulayşHala'ib

Topography around Yanbu

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

Within 3 km, the terrain around Yanbu has only modest variations in elevation — a maximum elevation change of 14 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 68 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,249 m.

The land around Yanbu is covered by artificial surfaces (54%) and bare terrain (35%) within 3 km, bare terrain (50%) and water (43%) within 16 km, and bare terrain (57%) and water (41%) within 80 km.

3 km
14 m
16 km
68 m
80 km
2,249 m
grasslandartificial surfacesbare terrainwater
December weather nearby: Badr Ḩunayn 82 km · Umluj 131 km · Sulţānah 161 km · Medina 163 km · Rābigh 175 km · Thuwal 228 km · Khulayş 251 km · Hala'ib 253 km

Saudi Arabia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
230 V · 60 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$34,537
2025
Happiness
6.8 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2019
Road deaths
35.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 404

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 Yanbu (24.0895°, 38.0618°, 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. 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).