Rustaq weather in August

In August, Rustaq sees average daytime highs of 39°C and overnight lows near 30°C, with 1 mm of rain across 0.3 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 39°C in the first days to 38°C by the end. The sky is clear or mostly clear about 75% of the time in August, and the air most often feels humid.

Daylight stretches from about 13 h 06 min at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Rustaq's 9th-clearest and 7th-windiest month. For the whole year in context, see Rustaq's year-round climate.

Daytime high
39°
4th warmest
Overnight low
30°
10th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 h 48 min
5:50 AM – 6:39 PM
Cloud cover
25%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
6.56 kWh/m²
Travel score
0.9
out of 10

Rustaq is city and province of Oman.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 39°C in the first days to 38°C by the end.

A typical August day in Rustaq reaches about 39°C in the afternoon and slips back to 30°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 42°C. Set against its neighbours, August runs about 1°C cooler than July and about 2°C warmer than September.

25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13931
23931
33931
43930
53930
63930
73930
83930
93930
103930
113930
123930
133930
143930
153930
163930
173930
183830
193829
203829
213829
223829
233829
243829
253829
263829
273829
283829
293829
303829
313829

How August really feels in Rustaq

Once humidity and wind are folded in, August averages 31 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
31
28 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Rustaq weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47822
57822
67822
77822
88020
98020
108218
118218
128317
138416
148515
158614
168713
178812
188812
198911
209010
219010
22919
23919
24919
25919
26919
27919
28919
29919
30919
31928

Chance of precipitation in August

Any precipitation

Rustaq gets around 1 mm of rain over 0.3 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
101
111
121
131
141
151
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111142624187
210142624187
310152624197
410152724196
59152724196
69142725196
78142725206
88142725206
98132825206
108132825206
117122826216
127122826216
137122826206
148112826206
158112826206
168112827206
178112827196
189112827196
199112728196
209112728196
2110122628195
2210122628195
2311132628185
2412142528184
2512142427184
2613152427183
2714152327173
2815152327173
2916162326173
3016162326162
3117172326162

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 06 min at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over August. Sunrise moves from 5:44 AM to 5:55 AM, and sunset from 6:49 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:446:49
213.15:446:49
313.15:446:48
413.05:456:47
513.05:456:47
613.05:466:46
713.05:466:46
813.05:476:45
913.05:476:44
1012.95:476:43
1112.95:486:43
1212.95:486:42
1312.95:496:41
1412.95:496:40
1512.85:496:40
1612.85:506:39
1712.85:506:38
1812.85:516:37
1912.85:516:36
2012.75:516:36
2112.75:526:35
2212.75:526:34
2312.75:536:33
2412.75:536:32
2512.65:536:31
2612.65:546:30
2712.65:546:29
2812.65:546:28
2912.55:556:27
3012.55:556:26
3112.55:556:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.56 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 — August's 6.56 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for Rustaq

In seasonPeak

In August, Rustaq sits inside its dust season. The full year is below, with each hazard's peak months called out.

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 August a good time to visit Rustaq?

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

0.9
Sightseeing
9th-best month of the year
4.3
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Rustaq.

What to pack for Rustaq in August

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

In August, Rustaq sees daytime highs around 39°C and nights near 30°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Rustaq in August

The nearest coast averages about 31°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).