Rustaq weather in January

In January, Rustaq sees average daytime highs of 24°C and overnight lows near 15°C, with 14 mm of rain across 2.5 wet days and about 10.7 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 76% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of January to 10 h 54 min by month's end. Set against the rest of the year, January is Rustaq's 8th-clearest and 11th-windiest month. For the whole year in context, see Rustaq's year-round climate.

Daytime high
24°
12th warmest
Overnight low
15°
1st coldest
Rainfall
14 mm
2.5 wet days
Daylight
10 h 42 min
6:58 AM – 5:41 PM
Cloud cover
23%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
4.56 kWh/m²
Travel score
8.9
out of 10

Rustaq is city and province of Oman.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical January day in Rustaq reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, January runs about 1°C cooler than December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152415
162415
172415
182415
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

How January really feels in Rustaq

Once humidity and wind are folded in, January 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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Rustaq weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°142.510.78.9
Feb26° / 16°132.211.28.7
Mar29° / 20°202.711.86.8
Apr34° / 24°131.812.53.6
May39° / 28°20.713.10.6
Jun41° / 31°50.213.40.0
Jul40° / 31°60.413.30.2
Aug39° / 30°10.312.80.9
Sep37° / 28°20.312.12.0
Oct34° / 24°30.711.54.0
Nov29° / 20°111.310.97.4
Dec25° / 16°142.210.68.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58515
68515
78515
88416
98416
108317
118317
128317
138218
148218
158218
168218
178119
188119
198218
208218
218218
228317
238317
248515
258515
268515
278713
288713
298713
308911
318911

Chance of precipitation in January

Any precipitation

Rustaq gets around 14 mm of rain over 2.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
77
87
97
107
117
127
138
148
158
169
179
189
1910
2010
2110
2210
2310
2410
2510
2610
2710
2810
299
309
319

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1652591
2662581
3672580
4662680
5672670
6672670
7672670
8682570
9682570
10682570
11692470
12692470
13692470
14702370
15702370
16692380
17692380
18692380
19692380
20692470
21692470
22692470
23682570
24682570
25672580
26662680
27662680
28662680
29662680
30672580
31672580

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 36 min at the start of January to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:56 AM to 6:56 AM, and sunset from 5:31 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:565:31
210.66:565:32
310.66:575:32
410.66:575:33
510.66:575:33
610.66:575:34
710.66:575:35
810.66:585:35
910.66:585:36
1010.66:585:37
1110.76:585:37
1210.76:585:38
1310.76:585:39
1410.76:585:39
1510.76:585:40
1610.76:585:41
1710.76:585:41
1810.76:585:42
1910.76:585:43
2010.86:585:44
2110.86:585:44
2210.86:585:45
2310.86:585:46
2410.86:585:46
2510.86:585:47
2610.86:575:48
2710.96:575:48
2810.96:575:49
2910.96:575:50
3010.96:565:50
3110.96:565:51

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.56 kWh/m².

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 7.56 kWh/m² in May across the year — January's 4.56 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in January

Hazard calendar for Rustaq

In seasonPeak

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

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

Rustaq sees seasonal dust haze (April–September), heaviest in July.

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

Is January a good time to visit Rustaq?

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

8.9
Sightseeing
1st-best month of the year
7.5
Beach & pool
6th-best month of the year

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

What to pack for Rustaq in January

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

In January, Rustaq sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Rustaq in January

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

The sea at the nearest coast (about 54 km away) 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
Mar25Warm
Apr27Warm
May30Tropical
Jun32Tropical
Jul32Tropical
Aug31Tropical
Sep31Tropical
Oct30Tropical
Nov28Tropical
Dec25Warm

UV index in Rustaq in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rustaq peaks around May 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 15UV 11Dec 15UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr11Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep10Extreme
Oct9Very high
Nov7High
Dec6High

Air quality in Rustaq in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Rustaq is worst in July — around 84 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (December, 25 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1882 µg/m³Dec 1425 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb33Moderate
Mar37Poor
Apr43Poor
May48Poor
Jun57Unhealthy
Jul84Unhealthy
Aug67Unhealthy
Sep44Poor
Oct31Moderate
Nov27Moderate
Dec25Moderate
Location & terrain

Where is Rustaq?

Rustaq sits at 23.4°N, 57.4°E, 341 m above sea level, in Oman. The nearest listed city is Bahla, 47 km away.

Sufālat Samā’ilIzkīBidbid

Topography around Rustaq

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

Within 3 km, the terrain around Rustaq has large variations in elevation — a maximum elevation change of 1,070 m around an average of 474 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,776 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.

The land around Rustaq is covered by bare terrain (74%) within 3 km, bare terrain (93%) within 16 km, and bare terrain (79%) within 80 km.

3 km
1,070 m
16 km
1,776 m
80 km
2,973 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Bahla 47 km · As Suwayq 51 km · Nizwa 52 km · Samā’il 55 km · Barkā’ 57 km · Sufālat Samā’il 61 km · Izkī 62 km · Bidbid 72 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 Rustaq (23.3908°, 57.4244°, elevation 341 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).