Muscat
Oman
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Muscat, Oman

A beautiful park outside the Grand Mosque Muscat, in Oman
A beautiful park outside the Grand Mosque Muscat, in Oman
May, the last month of the spring, in Muscat, is a very hot month, with average temperature varying between 29.1°C (84.4°F) and 39.5°C (103.1°F).

Temperature

In Muscat, Oman, the average high-temperature in May slightly increases, from a hot 34.7°C (94.5°F) in April, to a sweltering 39.5°C (103.1°F). In May, in Muscat, the average low-temperature is 29.1°C (84.4°F).

Heat index

In May, the average heat index is evaluated at a life-threatening hot 48.1°C (118.6°F). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels.

Humidity

With an average relative humidity of 42%, May is the least humid month in Muscat.

Rainfall

During May, Muscat regularly aggregates up to 7mm (0.3") of precipitation. During the entire year, Muscat aggregates up to 100.3mm (3.9") of precipitation.

Sea temperature

In Muscat, Oman, the average seawater temperature in May is 30°C (86°F).
Note: For swimming, other intense water activities, temperature above 30°C (86°F) is arguably unpleasant, as the water cooling effect is missing.

Daylight

The average length of the day in Muscat, Oman, is 13.3h.

Sunshine

With an average of 11.2h of sunshine, May has the most sunshine of the year.

UV index

April through August, with an average maximum UV index of 12, are months with the highest UV index in Muscat. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in May in Muscat?

The average high-temperature, in May, in Muscat, is 39.5°C (103.1°F), while the average low-temperature is 29.1°C (84.4°F).

What is the least humid month in Muscat?

With an average relative humidity of 42%, May is the least humid month in Muscat.

What is the average humidity in May in Muscat?

In Muscat, Oman, the average relative humidity in May is 42%.

How much does it rain in Muscat in May?

In Muscat, Oman, in May, 7mm (0.3") of precipitation is typically accumulated.

What is the sea water temperature in May in Muscat?

In May, the average sea temperature in Muscat is 30°C (86°F). The surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

How many hours of daylight does Muscat have in May?

In May, the average length of the day in Muscat is 13.3h.

What month has the most sunshine in Muscat?

With an average of 11.2h of sunshine, May has the most sunshine of the year.

How many hours of sunshine does Muscat have in May?

In Muscat, Oman, the average sunshine in May is 11.2h.

When is the highest UV index in Muscat?

April through August, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in May in Muscat?

The average daily maximum UV index in May in Muscat, Oman, is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - Muscat, Oman
  • Average high temperature in May: 39.5°C

The warmest month (with the highest average high temperature) is June (40.4°C).
The month with the lowest average high temperature is January (25.5°C).

  • Average low temperature in May: 29.1°C

The month with the highest average low temperature is June (30.6°C).
The coldest month (with the lowest average low temperature) is January (17.3°C).

Average humidity in May - Muscat, Oman
  • Average humidity in May: 42%

The month with the highest relative humidity is August (67%).
The month with the lowest relative humidity is May (42%).

Average rainfall in May - Muscat, Oman
  • Average rainfall in May: 7mm

The wettest month (with the highest rainfall) is February (24.5mm).
The driest month (with the lowest rainfall) is September (0mm).

Average rainfall days in May - Muscat, Oman
  • Average rainfall days in May: 0 days

The month with the highest number of rainy days is February (3 days).
Months with the lowest number of rainy days are May, June, July, September, October and November (0 days).

Average sea temperature in May - Muscat, Oman
  • Average sea temperature in May: 30°C

The best month for swimming (with the highest average sea temperature) is June (31.6°C).
The coldest month (with the lowest average sea temperature) is February (23.3°C).

Average daylight in May / Average sunshine in May - Muscat, Oman
  • Average daylight in May: 13.3h

The month with the longest days is June (Average daylight: 13.6h).
The month with shortest days is December (Average daylight: 10.7h).

  • Average sunshine in May: 11.2h

The month with most sunshine is May (Average sunshine: 11.2h).
The month with least sunshine is December (Average sunshine: 8.6h).

Average UV index in May - Muscat, Oman
  • Average UV index in May: 12

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 6).