Rustaq weather in May
In May, Rustaq sees average daytime highs of 39°C and overnight lows near 28°C, with 2 mm of rain across 0.7 wet days and about 13.1 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.
Highs climb over the month, from about 38°C in the first days to 40°C by the end. The sky is clear or mostly clear about 86% of the time in May, and the air most often feels dry.
Daylight stretches from about 12 h 54 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Rustaq's 5th-clearest and 1st-windiest month. For the whole year in context, see Rustaq's year-round climate.
- Daytime high
- 39°
- 3rd warmest
- Overnight low
- 28°
- 9th coldest
- Rainfall
- 2 mm
- 0.7 wet days
- Daylight
- 13 h 06 min
- 5:33 AM – 6:40 PM
- Cloud cover
- 16%
- 5th clearest
- Wind
- 9 km/h
- 1st windiest
- Solar energy
- 7.56 kWh/m²
- Travel score
- 0.6
- out of 10
Rustaq is city and province of Oman.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 38°C in the first days to 40°C by the end.
A typical May day in Rustaq reaches about 39°C in the afternoon and slips back to 28°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 42°C. Set against its neighbours, May runs about 5°C warmer than April and about 1°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 37 | 27 |
| 2 | 37 | 27 |
| 3 | 38 | 27 |
| 4 | 38 | 27 |
| 5 | 38 | 27 |
| 6 | 38 | 27 |
| 7 | 38 | 27 |
| 8 | 38 | 28 |
| 9 | 39 | 28 |
| 10 | 39 | 28 |
| 11 | 39 | 28 |
| 12 | 39 | 28 |
| 13 | 39 | 28 |
| 14 | 39 | 28 |
| 15 | 39 | 28 |
| 16 | 39 | 29 |
| 17 | 39 | 29 |
| 18 | 40 | 29 |
| 19 | 40 | 29 |
| 20 | 40 | 29 |
| 21 | 40 | 29 |
| 22 | 40 | 29 |
| 23 | 40 | 29 |
| 24 | 40 | 29 |
| 25 | 40 | 29 |
| 26 | 40 | 29 |
| 27 | 40 | 30 |
| 28 | 40 | 30 |
| 29 | 40 | 30 |
| 30 | 40 | 30 |
| 31 | 40 | 30 |
How May really feels in Rustaq
Once humidity and wind are folded in, May 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.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Rustaq weather by month
How May compares with the rest of the year at a glance. May is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 24° / 15° | 14 | 2.5 | 10.7 | 8.9 |
| Feb | 26° / 16° | 13 | 2.2 | 11.2 | 8.7 |
| Mar | 29° / 20° | 20 | 2.7 | 11.8 | 6.8 |
| Apr | 34° / 24° | 13 | 1.8 | 12.5 | 3.6 |
| May | 39° / 28° | 2 | 0.7 | 13.1 | 0.6 |
| Jun | 41° / 31° | 5 | 0.2 | 13.4 | 0.0 |
| Jul | 40° / 31° | 6 | 0.4 | 13.3 | 0.2 |
| Aug | 39° / 30° | 1 | 0.3 | 12.8 | 0.9 |
| Sep | 37° / 28° | 2 | 0.3 | 12.1 | 2.0 |
| Oct | 34° / 24° | 3 | 0.7 | 11.5 | 4.0 |
| Nov | 29° / 20° | 11 | 1.3 | 10.9 | 7.4 |
| Dec | 25° / 16° | 14 | 2.2 | 10.6 | 8.8 |
Cloud cover in May
The sky is clear or mostly clear about 86% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 7% of May, with mostly cloudy or overcast conditions the remaining 7%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 86 | 88 | 88 | 88 | 89 | 90 | 90 | 91 | 92 | 92 | 92 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 |
| Cloudier (%) | 14 | 12 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 86 | 14 |
| 2 | 88 | 12 |
| 3 | 88 | 12 |
| 4 | 88 | 12 |
| 5 | 89 | 11 |
| 6 | 90 | 10 |
| 7 | 90 | 10 |
| 8 | 91 | 9 |
| 9 | 92 | 8 |
| 10 | 92 | 8 |
| 11 | 92 | 8 |
| 12 | 94 | 6 |
| 13 | 94 | 6 |
| 14 | 94 | 6 |
| 15 | 94 | 6 |
| 16 | 94 | 6 |
| 17 | 94 | 6 |
| 18 | 94 | 6 |
| 19 | 94 | 6 |
| 20 | 95 | 5 |
| 21 | 96 | 4 |
| 22 | 96 | 4 |
| 23 | 96 | 4 |
| 24 | 96 | 4 |
| 25 | 96 | 4 |
| 26 | 96 | 4 |
| 27 | 96 | 4 |
| 28 | 97 | 3 |
| 29 | 97 | 3 |
| 30 | 97 | 3 |
| 31 | 97 | 3 |
Chance of precipitation in May
Rustaq gets around 2 mm of rain over 0.7 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Rain chance (%) | |
|---|---|
| 1 | 4 |
| 2 | 4 |
| 3 | 4 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 2 |
| 14 | 2 |
| 15 | 2 |
| 16 | 2 |
| 17 | 2 |
| 18 | 2 |
| 19 | 2 |
| 20 | 2 |
| 21 | 2 |
| 22 | 2 |
| 23 | 2 |
| 24 | 2 |
| 25 | 2 |
| 26 | 2 |
| 27 | 2 |
| 28 | 2 |
| 29 | 2 |
| 30 | 2 |
| 31 | 2 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 75 | 76 | 77 | 78 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 77 | 76 | 76 | 73 | 71 | 71 | 68 | 68 | 67 | 64 | 64 | 61 | 60 | 59 | 57 | 56 |
| Comfortable (%) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
| Humid (%) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
| Muggy (%) | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 |
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 5 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 75 | 14 | 7 | 3 | 1 | 0 |
| 2 | 76 | 14 | 7 | 2 | 1 | 0 |
| 3 | 77 | 13 | 7 | 2 | 1 | 0 |
| 4 | 78 | 13 | 6 | 2 | 1 | 0 |
| 5 | 79 | 13 | 6 | 1 | 1 | 0 |
| 6 | 79 | 13 | 6 | 1 | 1 | 0 |
| 7 | 79 | 13 | 6 | 1 | 1 | 0 |
| 8 | 80 | 13 | 5 | 1 | 1 | 0 |
| 9 | 80 | 13 | 5 | 1 | 1 | 0 |
| 10 | 80 | 13 | 5 | 1 | 1 | 0 |
| 11 | 80 | 13 | 5 | 1 | 1 | 0 |
| 12 | 80 | 12 | 6 | 1 | 1 | 0 |
| 13 | 80 | 12 | 6 | 1 | 1 | 0 |
| 14 | 79 | 12 | 6 | 2 | 1 | 0 |
| 15 | 79 | 12 | 6 | 2 | 1 | 0 |
| 16 | 77 | 13 | 7 | 2 | 1 | 0 |
| 17 | 76 | 13 | 7 | 3 | 1 | 0 |
| 18 | 76 | 13 | 7 | 3 | 1 | 0 |
| 19 | 73 | 14 | 8 | 4 | 1 | 0 |
| 20 | 71 | 15 | 9 | 4 | 1 | 0 |
| 21 | 71 | 15 | 9 | 4 | 1 | 0 |
| 22 | 68 | 16 | 10 | 5 | 1 | 0 |
| 23 | 68 | 16 | 10 | 5 | 1 | 0 |
| 24 | 67 | 16 | 11 | 5 | 1 | 0 |
| 25 | 64 | 17 | 11 | 6 | 2 | 0 |
| 26 | 64 | 17 | 11 | 6 | 2 | 0 |
| 27 | 61 | 18 | 12 | 7 | 3 | 0 |
| 28 | 60 | 18 | 12 | 7 | 3 | 0 |
| 29 | 59 | 18 | 12 | 7 | 4 | 0 |
| 30 | 57 | 18 | 12 | 8 | 5 | 0 |
| 31 | 56 | 18 | 12 | 8 | 5 | 1 |
Wind in May
Winds average 9 km/h in May, the windiest month of the year.
Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 54 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over May. Sunrise moves from 5:42 AM to 5:28 AM, and sunset from 6:33 PM to 6:47 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 |
| Sunrise (AM) | 5:42 | 5:41 | 5:40 | 5:40 | 5:39 | 5:38 | 5:38 | 5:37 | 5:37 | 5:36 | 5:35 | 5:35 | 5:34 | 5:34 | 5:33 | 5:33 | 5:32 | 5:32 | 5:32 | 5:31 | 5:31 | 5:30 | 5:30 | 5:30 | 5:29 | 5:29 | 5:29 | 5:29 | 5:28 | 5:28 | 5:28 |
| Sunset (PM) | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.9 | 5:42 | 6:33 |
| 2 | 12.9 | 5:41 | 6:34 |
| 3 | 12.9 | 5:40 | 6:34 |
| 4 | 12.9 | 5:40 | 6:35 |
| 5 | 12.9 | 5:39 | 6:35 |
| 6 | 13.0 | 5:38 | 6:35 |
| 7 | 13.0 | 5:38 | 6:36 |
| 8 | 13.0 | 5:37 | 6:36 |
| 9 | 13.0 | 5:37 | 6:37 |
| 10 | 13.0 | 5:36 | 6:37 |
| 11 | 13.0 | 5:35 | 6:38 |
| 12 | 13.1 | 5:35 | 6:38 |
| 13 | 13.1 | 5:34 | 6:39 |
| 14 | 13.1 | 5:34 | 6:39 |
| 15 | 13.1 | 5:33 | 6:40 |
| 16 | 13.1 | 5:33 | 6:40 |
| 17 | 13.1 | 5:32 | 6:41 |
| 18 | 13.2 | 5:32 | 6:41 |
| 19 | 13.2 | 5:32 | 6:42 |
| 20 | 13.2 | 5:31 | 6:42 |
| 21 | 13.2 | 5:31 | 6:43 |
| 22 | 13.2 | 5:30 | 6:43 |
| 23 | 13.2 | 5:30 | 6:44 |
| 24 | 13.2 | 5:30 | 6:44 |
| 25 | 13.3 | 5:29 | 6:45 |
| 26 | 13.3 | 5:29 | 6:45 |
| 27 | 13.3 | 5:29 | 6:46 |
| 28 | 13.3 | 5:29 | 6:46 |
| 29 | 13.3 | 5:28 | 6:46 |
| 30 | 13.3 | 5:28 | 6:47 |
| 31 | 13.3 | 5:28 | 6:47 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.56 kWh/m² — the sunniest month for solar.
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 — May's 7.56 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.4 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.4 | Intense |
| 2 | 7.4 | Intense |
| 3 | 7.4 | Intense |
| 4 | 7.5 | Intense |
| 5 | 7.5 | Intense |
| 6 | 7.5 | Intense |
| 7 | 7.5 | Intense |
| 8 | 7.5 | Intense |
| 9 | 7.5 | Intense |
| 10 | 7.5 | Intense |
| 11 | 7.5 | Intense |
| 12 | 7.6 | Intense |
| 13 | 7.6 | Intense |
| 14 | 7.6 | Intense |
| 15 | 7.6 | Intense |
| 16 | 7.6 | Intense |
| 17 | 7.6 | Intense |
| 18 | 7.6 | Intense |
| 19 | 7.6 | Intense |
| 20 | 7.6 | Intense |
| 21 | 7.6 | Intense |
| 22 | 7.6 | Intense |
| 23 | 7.6 | Intense |
| 24 | 7.6 | Intense |
| 25 | 7.6 | Intense |
| 26 | 7.5 | Intense |
| 27 | 7.5 | Intense |
| 28 | 7.5 | Intense |
| 29 | 7.5 | Intense |
| 30 | 7.5 | Intense |
| 31 | 7.5 | Intense |
Hazard calendar for Rustaq
In May, Rustaq sits inside its cyclone and 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.
Is May a good time to visit Rustaq?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Rustaq.
What to pack for Rustaq in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Rustaq sees daytime highs around 39°C and nights near 28°C. Pack light clothes and sun protection.
Sea temperature near Rustaq in May
The nearest coast averages about 30°C in May — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 23 | 25 | 27 | 30 | 32 | 32 | 31 | 31 | 30 | 28 | 25 |
| Comfort | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 25 | Warm |
| Apr | 27 | Warm |
| May | 30 | Tropical |
| Jun | 32 | Tropical |
| Jul | 32 | Tropical |
| Aug | 31 | Tropical |
| Sep | 31 | Tropical |
| Oct | 30 | Tropical |
| Nov | 28 | Tropical |
| Dec | 25 | Warm |
UV index in Rustaq in May
Clear-sky midday UV in May 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 10 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Rustaq in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 28 | 33 | 37 | 43 | 48 | 57 | 84 | 67 | 44 | 31 | 27 | 25 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 28 | Moderate |
| Feb | 33 | Moderate |
| Mar | 37 | Poor |
| Apr | 43 | Poor |
| May | 48 | Poor |
| Jun | 57 | Unhealthy |
| Jul | 84 | Unhealthy |
| Aug | 67 | Unhealthy |
| Sep | 44 | Poor |
| Oct | 31 | Moderate |
| Nov | 27 | Moderate |
| Dec | 25 | Moderate |
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.
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.
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
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).