Unaizah weather in December

In December, Unaizah sees average daytime highs of 21°C and overnight lows near 10°C, with 14 mm of rain across 2.5 wet days and about 10.4 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 68% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of December to 10 h 24 min by month's end. Set against the rest of the year, December is Unaizah's 10th-clearest and 8th-windiest month. For the whole year in context, see Unaizah's year-round climate.

Daytime high
21°
11th warmest
Overnight low
10°
2nd coldest
Rainfall
14 mm
2.5 wet days
Daylight
10 h 24 min
6:49 AM – 5:11 PM
Cloud cover
29%
10th clearest
Wind
13 km/h
8th windiest
Solar energy
4 kWh/m²
Travel score
8.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical December day in Unaizah reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32211
42211
52211
62211
72211
82211
92211
102211
112110
122110
132110
142110
152110
162110
172110
182110
192110
202110
21219
22219
23219
24219
25219
26209
27209
28209
29209
30209
31209

How December really feels in Unaizah

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.

Unaizah weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 142.410.57.9
Feb23° / 10°71.511.18.8
Mar27° / 14°152.711.88.0
Apr33° / 19°162.812.64.6
May38° / 24°20.313.31.2
Jun42° / 27°0013.60.0
Jul43° / 28°0013.50.0
Aug43° / 28°0012.90.0
Sep40° / 25°0012.20.3
Oct35° / 20°20.411.43.5
Nov27° / 15°283.210.77.8
Dec21° / 10°142.510.48.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57723
67822
77822
87921
97921
108020
118020
128119
138119
148119
158119
168119
178119
188119
198119
208119
218119
228119
238020
248020
257921
267921
277921
287822
297822
307822
317723

Chance of precipitation in December

Any precipitation

Unaizah gets around 14 mm of rain over 2.5 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 9% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
211
311
410
510
610
79
89
99
109
118
128
138
148
159
169
179
189
198
208
218
228
238
247
257
267
277
287
297
307
317

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
187103
287103
38893
48893
58983
69082
79172
89172
99361
109361
119451
129451
139550
149550
159640
169640
179640
189640
199640
209640
219640
229730
239730
249730
259820
269820
279820
289820
299910
309910
319910

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 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
613light 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
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 30 min at the start of December to 10 h 24 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 6:39 AM to 6:56 AM, and sunset from 5:08 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.56:395:08
210.56:405:08
310.56:415:08
410.56:415:09
510.46:425:09
610.46:435:09
710.46:435:09
810.46:445:09
910.46:455:09
1010.46:455:10
1110.46:465:10
1210.46:475:10
1310.46:475:10
1410.46:485:11
1510.46:485:11
1610.46:495:11
1710.46:495:12
1810.46:505:12
1910.46:515:13
2010.46:515:13
2110.46:525:13
2210.46:525:14
2310.46:525:14
2410.46:535:15
2510.46:535:15
2610.46:545:16
2710.46:545:16
2810.46:555:17
2910.46:555:18
3010.46:555:18
3110.46:565:19

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4 kWh/m² to a high of 7.83 kWh/m² in June across the year — December's 4 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Moderate
314.0Moderate
Planning a trip in December

Hazard calendar for Unaizah

In seasonPeak

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

Unaizah sees seasonal dust haze (February–September), heaviest in May.

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

Is December a good time to visit Unaizah?

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

8.2
Sightseeing
2nd-best month of the year
5.1
Beach & pool
6th-best month of the year

December is one of the better times to visit Unaizah for general sightseeing.

What to pack for Unaizah in December

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

In December, Unaizah sees daytime highs around 21°C and nights near 10°C. Little to plan around — just the basics.

UV index in Unaizah in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Unaizah peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 17UV 12Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr7Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct9Very high
Nov6High
Dec5Moderate

Air quality in Unaizah 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 Unaizah is worst in March — around 95 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (September, 52 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMar 2094 µg/m³Sep 2153 µg/m³
PM2.5 (µg/m³)Level
Jan65Unhealthy
Feb74Unhealthy
Mar95Unhealthy
Apr86Unhealthy
May86Unhealthy
Jun61Unhealthy
Jul56Unhealthy
Aug57Unhealthy
Sep52Poor
Oct53Poor
Nov60Unhealthy
Dec63Unhealthy
Location & terrain

Where is Unaizah?

Unaizah sits at 26.1°N, 44.0°E, 691 m above sea level, in Saudi Arabia. The nearest listed city is Buraydah, 25 km away.

Topography around Unaizah

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

Within 3 km, the terrain around Unaizah has only modest variations in elevation — a maximum elevation change of 53 m around an average of 670 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 138 m; within 80 km, significant variations in elevation — a maximum elevation change of 305 m.

The land around Unaizah is covered by artificial surfaces (74%) and bare terrain (21%) within 3 km, bare terrain (79%) within 16 km, and bare terrain (92%) within 80 km.

3 km
53 m
16 km
138 m
80 km
305 m
treesshrubscroplandartificial surfacesbare terrain
December weather nearby: Buraydah 25 km · Al Badā’i‘ al Wusţá 29 km · Al Bukayrīyah 34 km · Al Mithnab 35 km · Al Khabrā’ 38 km · Riyāḑ al Khabrā’ 45 km · Ar Rass 56 km · ‘Uyūn al Jiwā’ 58 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 Unaizah (26.1°, 44°, elevation 691 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. 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).