Şaḩam weather in December

In December, Şaḩam sees average daytime highs of 25°C and overnight lows near 21°C, with 9 mm of rain across 1.3 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 3rd-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 82% of the time in December, and the air most often feels humid.

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 Şaḩam's 7th-clearest and 10th-windiest month. For the whole year in context, see Şaḩam's year-round climate.

Daytime high
25°
10th warmest
Overnight low
21°
3rd coldest
Rainfall
9 mm
1.3 wet days
Daylight
10 h 30 min
6:53 AM – 5:24 PM
Cloud cover
19%
7th clearest
Wind
10 km/h
10th windiest
Solar energy
4.21 kWh/m²
Travel score
9.1
out of 10

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 Şaḩam reaches about 25°C in the afternoon and slips back to 21°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 26°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)
12623
22623
32622
42622
52622
62522
72522
82522
92522
102522
112522
122522
132521
142521
152521
162521
172521
182421
192421
202421
212421
222421
232421
242421
252421
262420
272420
282420
292420
302420
312420

How December really feels in Şaḩam

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.

Şaḩam weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 19°91.710.79.0
Feb24° / 20°61.211.29.2
Mar26° / 22°101.311.88.7
Apr30° / 26°30.512.56.5
May34° / 29°00.113.24.0
Jun35° / 31°20.213.53.4
Jul35° / 32°50.213.33.7
Aug34° / 31°0012.84.4
Sep33° / 30°0012.15.0
Oct31° / 28°10.311.45.9
Nov28° / 24°4110.88.2
Dec25° / 21°91.310.59.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2928
3919
4919
5919
69010
79010
89010
99010
109010
119010
129010
139010
149010
159010
169010
17919
18919
19919
20919
21928
22928
23928
24928
25928
26928
27928
28928
29928
309010
319010

Chance of precipitation in December

Any precipitation

Şaḩam gets around 9 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 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
44
54
64
74
84
94
105
115
125
135
145
155
165
175
185
195
205
215
224
234
244
254
264
274
284
294
304
314

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
141238406
241337396
351437396
451536385
561635385
661635375
771735375
871834365
971934355
1071935345
1172035335
1282136314
1382137304
1482237294
1582238284
1682339274
1782339273
1882439263
1982439253
2092539243
21102539232
22112539232
23122639222
24122638222
25132637212
26142737211
27152736211
28152835211
29162834211
30162834211
31172833210

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:44 AM to 7:00 AM, and sunset from 5:21 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:445:21
210.66:455:21
310.66:455:21
410.66:465:21
510.66:475:21
610.66:475:21
710.66:485:21
810.66:485:22
910.56:495:22
1010.56:505:22
1110.56:505:22
1210.56:515:23
1310.56:525:23
1410.56:525:23
1510.56:535:24
1610.56:535:24
1710.56:545:24
1810.56:545:25
1910.56:555:25
2010.56:555:26
2110.56:565:26
2210.56:565:27
2310.56:575:27
2410.56:575:28
2510.56:585:28
2610.56:585:29
2710.56:585:29
2810.56:595:30
2910.56:595:30
3010.57:005:31
3110.57:005:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.21 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 7.51 kWh/m² in May across the year — December's 4.21 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.2Bright
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 Şaḩam

In seasonPeak

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

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

Şaḩam 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 Şaḩam?

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

9.1
Sightseeing
2nd-best month of the year
7.9
Beach & pool
7th-best month of the year

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

What to pack for Şaḩam in December

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

In December, Şaḩam sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes.

light clothes

Sea temperature near Şaḩam in December

The nearest coast averages about 25°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 June at about 32°C and coldest in February near 23°C.

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

25°30°35°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb23Refreshing
Mar24Warm
Apr27Warm
May30Tropical
Jun32Tropical
Jul32Tropical
Aug32Tropical
Sep31Tropical
Oct30Tropical
Nov28Tropical
Dec25Warm

UV index in Şaḩam 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 Şaḩam peaks around May 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighMay 19UV 11Dec 18UV 5
UV index (midday)Level
Jan6High
Feb9Very high
Mar9Very high
Apr9Very high
May11Extreme
Jun10Very high
Jul9Very high
Aug10Very high
Sep9Very high
Oct8Very high
Nov6High
Dec5High

Air quality in Şaḩam 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 Şaḩam is worst in July — around 62 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (December, 22 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1661 µg/m³Dec 1522 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb31Moderate
Mar38Poor
Apr44Poor
May49Poor
Jun52Poor
Jul62Unhealthy
Aug51Poor
Sep36Poor
Oct29Moderate
Nov26Moderate
Dec22Moderate
Location & terrain

Where is Şaḩam?

Şaḩam sits at 24.2°N, 56.9°E, 2 m above sea level, in Oman. The nearest listed city is Sohar, 27 km away.

As SuwayqYanqulShināşRustaqHatta

Topography around Şaḩam

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

Within 3 km, the terrain around Şaḩam has only modest variations in elevation — a maximum elevation change of 20 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 148 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,753 m.

The land around Şaḩam is covered by water (45%) and artificial surfaces (20%) within 3 km, water (48%) and bare terrain (39%) within 16 km, and bare terrain (65%) and water (30%) within 80 km.

3 km
20 m
16 km
148 m
80 km
1,753 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sohar 27 km · Al Khābūrah 30 km · Liwá 52 km · As Suwayq 66 km · Yanqul 74 km · Shināş 76 km · Rustaq 103 km · Hatta 104 km

Oman travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$19,947
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
91%
of population, 2024
Homicide rate
0.1
per 100k, 2023
Road deaths
10.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 407
Religion
Muslim 86%Christian 6%Hindu 6%other and unaffiliated 2%

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 Şaḩam (24.1722°, 56.8886°, elevation 2 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).