Ras Al-Khaimah
United Arab Emirates
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Ras Al-Khaimah, United Arab Emirates

The last month of the spring, May, is another torrid month in Ras Al-Khaimah, United Arab Emirates, with average temperature ranging between min 22.6°C (72.7°F) and max 39.3°C (102.7°F).
The ideal sea water temperature of 28.8°C (83.8°F) and only 0.2 rainfall days, with 2.8mm (0.1") of accumulated rainfall, make May the best time for swimming and other water activities.

Temperature

In May, the average high-temperature slightly increases, from a sweltering 35.2°C (95.4°F) in April, to a still torrid 39.3°C (102.7°F). In Ras Al-Khaimah, in May, the average low-temperature is 22.6°C (72.7°F).

Heat index

In May, the average heat index is calculated to a life-threatening hot 50°C (122°F). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like metabolic differences, pregnancy, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The least humid month in Ras Al-Khaimah is May, with an average relative humidity of 46%.

Rainfall

May is the last month it rains. During 0.2 rainfall days, Ras Al-Khaimah aggregates 2.8mm (0.1") of precipitation. In Ras Al-Khaimah, during the entire year, the rain falls for 14.3 days and collects up to 132.8mm (5.2") of precipitation.

Sea temperature

In Ras Al-Khaimah, the average water temperature is 28.8°C (83.8°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in May is 13.4h.

Sunshine

With an average of 11.1h of sunshine, May has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 12, are months with the highest UV index in Ras Al-Khaimah, United Arab Emirates. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 12 transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Ras Al-Khaimah?

In May, in Ras Al-Khaimah, United Arab Emirates, the average high-temperature is 39.3°C (102.7°F), and the average low-temperature is 22.6°C (72.7°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, in May is evaluated at 50°C (122°F).

What is the least humid month in Ras Al-Khaimah?

With an average relative humidity of 46%, May is the least humid month in Ras Al-Khaimah.

What is the average humidity in May in Ras Al-Khaimah?

In Ras Al-Khaimah, United Arab Emirates, the average relative humidity in May is 46%.

What is the last month it rains in Ras Al-Khaimah?

May is the last month it rains in Ras Al-Khaimah. During 0.2 rainfall days, in May, Ras Al-Khaimah aggregates 2.8mm (0.1") of precipitation.

What is the water temperature in May in Ras Al-Khaimah?

In Ras Al-Khaimah, in May, the average water temperature is 28.8°C (83.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Ras Al-Khaimah have in May?

In May, the average length of the day is 13.4h.

What month has the most sunshine in Ras Al-Khaimah?

The month with the most sunshine is May, with an average of 11.1h of sunshine.

How many hours of sunshine does Ras Al-Khaimah have in May?

In May, the average sunshine in Ras Al-Khaimah is 11.1h.

When is the highest UV index in Ras Al-Khaimah?

May 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 Ras Al-Khaimah?

The average daily maximum UV index in May is 12. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV rays.
Average temperature in May - Ras Al-Khaimah, United Arab Emirates
  • Average high temperature in May: 39.3°C

The warmest month (with the highest average high temperature) is July (42.7°C).
The month with the lowest average high temperature is January (24.8°C).

  • Average low temperature in May: 22.6°C

The month with the highest average low temperature is August (28.6°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).

Average humidity in May - Ras Al-Khaimah, United Arab Emirates
  • Average humidity in May: 46%

Months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is May (46%).

Average rainfall in May - Ras Al-Khaimah, United Arab Emirates
  • Average rainfall in May: 2.8mm

The wettest month (with the highest rainfall) is February (35.7mm).
The driest month (with the lowest rainfall) is June (0mm).

Average rainfall days in May - Ras Al-Khaimah, United Arab Emirates
  • Average rainfall days in May: 0.2 days

The month with the highest number of rainy days is March (4.7 days).
The month with the lowest number of rainy days is June (0 days).

Average sea temperature in May - Ras Al-Khaimah, United Arab Emirates
  • Average sea temperature in May: 28.8°C

The best month for swimming (with the highest average sea temperature) is August (33.2°C).
The coldest month (with the lowest average sea temperature) is February (22.4°C).

Average daylight in May / Average sunshine in May - Ras Al-Khaimah, United Arab Emirates
  • Average daylight in May: 13.4h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in May: 11.1h

The month with most sunshine is May (Average sunshine: 11.1h).
The month with least sunshine is December (Average sunshine: 7.6h).

Average UV index in May - Ras Al-Khaimah, United Arab Emirates
  • Average UV index in May: 12

Months with the highest UV index are May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 5).