May weather forecast
Ar Rustaq, Oman

May

Weather in May

Ar Rustaq, Oman, experiences a complex blend of weather elements in May, with a distinct leap in temperature and an accompanying drop in humidity figures. Temperatures fluctuating from 25.5°C (77.9°F) to 36.8°C (98.2°F) combined with a UV index of 8 underpin the escalating intensity of the sun. As May gives way to June, the mercury levels rise steadily, setting the stage for the peak of summer. Despite the increase in temperatures, rainfall maintains a plateau, and the prevailing pressure reduces to 1006.5mb, keeping the atmosphere stable.

Temperature

May signifies a subtle uplift in the average high-temperature, adjusting from a hot 32.9°C (91.2°F) in April to a sweltering 36.8°C (98.2°F). Ar Rustaq experiences a mean temperature of 25.5°C (77.9°F) during May nights.

Humidity

The least humid month is May, with an average relative humidity of 23%.

Rainfall

In May, the rain falls for 3.3 days. Throughout May, 8mm (0.31") of precipitation is accumulated. In Ar Rustaq, during the entire year, the rain falls for 47.9 days and collects up to 113mm (4.45") of precipitation.

Daylight

In May, the average length of the day is 13h and 16min.
On the first day of May, sunrise is at 05:36 and sunset at 18:38. On the last day of the month, sunrise is at 05:23 and sunset at 18:52 +04.

Sunshine

In May, the average sunshine is 12.1h.

UV index

April through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In May, an average UV index of 8 transforms into the following instructions:
Always be cautious. Skin and eyes can be affected swiftly without protection. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

How hot does it get in May?
During May, Ar Rustaq experiences an average high-temperature of 36.8°C (98.2°F) and a low-temperature of 25.5°C (77.9°F).
What is the least humid month?
With an average relative humidity of 23%, May is the least humid month.
What is the average humidity in May?
In May, the average relative humidity is 23%.
How much does it rain in May?
In Ar Rustaq, in May, during 3.3 rainfall days, 8mm (0.31") of precipitation is typically accumulated.
How many hours of daylight does Ar Rustaq have in May?
In May, the average day length in Ar Rustaq is 13h and 16min.
When is the sunrise / sunset in May?
On the first day of May, sunrise is at 05:36 and sunset at 18:38. On the last day of the month, sunrise is at 05:23 and sunset at 18:52 +04.
How many hours of sunshine does Ar Rustaq have in May?
In May, the average sunshine duration is 12.1h.
What is the month with the highest UV index?
April through August, with an average maximum UV index of 8, are months with the highest UV index.
What is the UV index reading in May?
The average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Ar Rustaq, Oman
Average temperature in May
Ar Rustaq, Oman
  • Average high temperature in May: 36.8°C

The warmest month (with the highest average high temperature) is June (39.1°C).
The month with the lowest average high temperature is January (22°C).

  • Average low temperature in May: 25.5°C

The month with the highest average low temperature is July (28.3°C).
The coldest month (with the lowest average low temperature) is January (12°C).

Average pressure in May - Ar Rustaq, Oman
Average pressure in May
Ar Rustaq, Oman
  • Average pressure in May: 1006.5mbar

The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is July (998.4mbar).

Average wind speed in May - Ar Rustaq, Oman
Average wind speed in May
Ar Rustaq, Oman
  • Average wind speed in May: 6.6km/h

The windiest month (with the highest average wind speed) is June (7km/h).
The calmest month (with the lowest average wind speed) is November (4.4km/h).

Average humidity in May - Ar Rustaq, Oman
Average humidity in May
Ar Rustaq, Oman
  • Average humidity in May: 23%

The month with the highest relative humidity is January (50%).
The month with the lowest relative humidity is May (23%).

Average rainfall in May - Ar Rustaq, Oman
Average rainfall in May
Ar Rustaq, Oman
  • Average rainfall in May: 8mm

The wettest month (with the highest rainfall) is August (18mm).
The driest month (with the least rainfall) is September (1mm).

Average rainfall days in May - Ar Rustaq, Oman
Average rainfall days in May
Ar Rustaq, Oman
  • Average rainfall days in May: 3.3 days

The months with the highest number of rainy days are July and August (7.2 days).
The month with the least rainy days is September (1.6 days).

Average daylight in May / Average sunshine in May - Ar Rustaq, Oman
Average daylight in May /
Average sunshine in May
Ar Rustaq, Oman
  • Average daylight in May: 13h and 2min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).

  • Average sunshine in May: 12h and 1min

The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).

Average sunshine days in May - Ar Rustaq, Oman
Average sunshine days in May
Ar Rustaq, Oman
  • Average sunshine days in May: 26.5 days

The month with the most sunshine days is September (28.1 days).
The month with the least sunshine days is August (22.5 days).

Average UV index in May - Ar Rustaq, Oman
Average UV index in May
Ar Rustaq, Oman
  • Average UV index in May: 8

The months with the highest UV index are April, May, June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 5).

Average cloud cover in May - Ar Rustaq, Oman
Average cloud cover in May
Ar Rustaq, Oman
  • Average cloud cover in May: 6

The month with the most cloud cover is July (Cloud cover 13).
The month with the least cloud cover is September (Cloud cover 4).

Average visibility in May - Ar Rustaq, Oman
Average visibility in May
Ar Rustaq, Oman
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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