Ruwais weather in December

In December, Ruwais sees average daytime highs of 25°C and overnight lows near 16°C, with 4 mm of rain across 0.9 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 72% 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 Ruwais's 11th-clearest and 8th-windiest month. For the whole year in context, see Ruwais's year-round climate.

Daytime high
25°
10th warmest
Overnight low
16°
3rd coldest
Rainfall
4 mm
0.9 wet days
Daylight
10 h 30 min
7:10 AM – 5:41 PM
Cloud cover
28%
11th clearest
Wind
13 km/h
8th windiest
Solar energy
4.23 kWh/m²
Travel score
8.9
out of 10

Ruwais is human settlement.

Founded
1970

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 26°C in the first days to 24°C by the end.

A typical December day in Ruwais reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32618
42617
52617
62617
72617
82617
92617
102517
112517
122516
132516
142516
152516
162516
172516
182416
192416
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302414
312314

How December really feels in Ruwais

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.

Ruwais 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 daysDaylight (hours)Travel score
Jan23° / 14°81.610.78.7
Feb25° / 15°71.111.29.1
Mar29° / 17°121.511.87.3
Apr34° / 21°40.712.53.9
May39° / 25°0013.20.8
Jun40° / 27°0013.50.0
Jul42° / 29°20.113.30.0
Aug42° / 29°00.112.80.0
Sep39° / 27°0012.10.6
Oct35° / 24°00.111.43.3
Nov30° / 20°20.410.87.0
Dec25° / 16°40.910.58.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% 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 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48614
58614
68614
78416
88416
98416
108317
118317
128317
138317
148317
158317
168317
178317
188317
198317
208317
218416
228416
238416
248416
258515
268515
278416
288416
298416
308416
318317

Chance of precipitation in December

Any precipitation

Ruwais gets around 4 mm of rain over 0.9 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
83
93
103
113
123
133
143
153
164
174
184
194
204
214
224
233
243
253
263
273
283
293
303
313

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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1143541101
215354191
316354091
417353981
519353781
620363681
722363471
823373271
925383061
1026392861
1127402651
1228412551
1329422350
1430432240
1531442140
1632442040
1732451940
1833451830
1934441830
2035441830
2137431730
2238421730
2339411720
2441391720
2542381720
2644371720
2746351720
2848341620
2950331610
3052321510
3154311410

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
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light 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 7:00 AM to 7:16 AM, and sunset from 5:37 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:005:37
210.67:015:37
310.67:025:38
410.67:025:38
510.67:035:38
610.67:045:38
710.67:045:38
810.67:055:38
910.67:065:39
1010.57:065:39
1110.57:075:39
1210.57:075:39
1310.57:085:40
1410.57:095:40
1510.57:095:40
1610.57:105:41
1710.57:105:41
1810.57:115:42
1910.57:115:42
2010.57:125:42
2110.57:125:43
2210.57:135:43
2310.57:135:44
2410.57:145:44
2510.57:145:45
2610.57:155:45
2710.57:155:46
2810.57:155:46
2910.57:165:47
3010.57:165:48
3110.57:165:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.23 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 7.7 kWh/m² in May across the year — December's 4.23 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
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 Ruwais

In seasonPeak

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

Ruwais sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Ruwais sees seasonal dust haze (March–August), heaviest in July.

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

Is December a good time to visit Ruwais?

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

8.9
Sightseeing
2nd-best month of the year
7.9
Beach & pool
4th-best month of the year

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

What to pack for Ruwais in December

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

In December, Ruwais sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes.

light clothes

Sea temperature near Ruwais in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 34°C and coldest in February near 20°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Refreshing
Mar22Refreshing
Apr25Warm
May29Tropical
Jun31Tropical
Jul33Tropical
Aug34Tropical
Sep33Tropical
Oct31Tropical
Nov28Warm
Dec24Refreshing

UV index in Ruwais 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 Ruwais peaks around May 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highHighMay 20UV 10Dec 17UV 5
UV index (midday)Level
Jan6High
Feb9Very high
Mar9Very high
Apr9Very high
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Ruwais 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 Ruwais is worst in July — around 85 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (November, 35 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateJul 2084 µg/m³Nov 2335 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb51Poor
Mar61Unhealthy
Apr60Unhealthy
May65Unhealthy
Jun69Unhealthy
Jul85Unhealthy
Aug79Unhealthy
Sep58Unhealthy
Oct45Poor
Nov35Moderate
Dec35Moderate
Location & terrain

Where is Ruwais?

Ruwais sits at 24.1°N, 52.7°E, 16 m above sea level, in United Arab Emirates. The nearest listed city is Zayed City, 111 km away.

Zayed CityMesaieedAl WakrahAth Thumāmah KhamsūnAth Thumāmah Sab‘ah wa Arba‘ūnAbu DhabiAth Thumāmah Sittah wa Arba‘ūnAl Maţār al ‘Atīq

Topography around Ruwais

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

Within 3 km, the terrain around Ruwais has only modest variations in elevation — a maximum elevation change of 37 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 115 m; within 80 km, only modest variations in elevation — a maximum elevation change of 162 m.

The land around Ruwais is covered by bare terrain (69%) and artificial surfaces (30%) within 3 km, bare terrain (61%) and water (33%) within 16 km, and water (51%) and bare terrain (48%) within 80 km.

3 km
37 m
16 km
115 m
80 km
162 m
shrubsartificial surfacesbare terrainwater
December weather nearby: Zayed City 111 km · Mesaieed 154 km · Al Wakrah 164 km · Ath Thumāmah Khamsūn 171 km · Ath Thumāmah Sab‘ah wa Arba‘ūn 172 km · Abu Dhabi 173 km · Ath Thumāmah Sittah wa Arba‘ūn 173 km · Al Maţār al ‘Atīq 174 km

United Arab Emirates travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
230 V · 50 Hz
Prices
≈ 63% of US
price level, 2024
GDP per capita
$50,274
2024
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.9
per 100k/yr, 2019
Income group
High
World Bank
English
Low
EF EPI 487

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 Ruwais (24.1103°, 52.7306°, elevation 16 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).