May weather forecastRantau, Malaysia

May

Weather in May

May, the last month of the spring in Rantau, is another hot month, with an average temperature varying between 24.4°C (75.9°F) and 32.3°C (90.1°F).

Temperature

The height of temperatures is seen during March through May, averaging a high-temperature of 32.3°C (90.1°F).

Heat index

The heat index value for May is computed to be a burning hot 45°C (113°F). Caution: Heat cramps along with heat exhaustion are expected. Sustained activity could lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are primarily vital for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Rantau, in May, during 20.3 rainfall days, 80mm (3.15") of precipitation is typically accumulated. Throughout the year, there are 245.4 rainfall days, and 951mm (37.44") of precipitation is accumulated.

Daylight

In May, the average length of the day is 12h and 14min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:15 pm. On the last day of May, sunrise is at 7:02 am and sunset at 7:17 pm +08.

Sunshine

The average sunshine in May is 8.6h.

UV index

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 7 during May leads to these instructions:
Deter overexposure. Protecting against the sun's effects is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

March through May are identified as the warmest months, with an average high-temperature of 32.3°C (90.1°F).

In Rantau, 32.3°C (90.1°F) is the average high-temperature and 24.4°C (75.9°F) is the average low-temperature during May. In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 45°C (113°F).

In May, the average relative humidity is 79%.

In Rantau, in May, during 20.3 rainfall days, 80mm (3.15") of precipitation is typically accumulated.

In May, the average day length in Rantau, Malaysia, is 12h and 14min.

On the first day of May, sunrise is at 7:02 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 7:17 pm +08.

In Rantau, the average sunshine duration in May is 8.6h.

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7.

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Rantau, Malaysia

  • Average high temperature in May: 32.3°C

The warmest months (with the highest average high temperature) are March, April and May (32.3°C).
The month with the lowest average high temperature is December (30.5°C).

  • Average low temperature in May: 24.4°C

The month with the highest average low temperature is May (24.4°C).
The coldest months (with the lowest average low temperature) are January and February (22.8°C).

Average pressure in May
Rantau, Malaysia

  • Average pressure in May: 1008.7mbar

The months with the highest atmospheric pressure are January and February (1010.3mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).

Average wind speed in May
Rantau, Malaysia

  • Average wind speed in May: 4.8km/h

The windiest month (with the highest average wind speed) is February (6.2km/h).
The calmest months (with the lowest average wind speed) are April and November (4.7km/h).

Average humidity in May
Rantau, Malaysia

  • Average humidity in May: 79%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in May
Rantau, Malaysia

  • Average rainfall in May: 80mm

The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in May
Rantau, Malaysia

  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is March (25.6 days).
The month with the least rainy days is September (16.5 days).

Average daylight in May /
Average sunshine in May
Rantau, Malaysia

  • Average daylight in May: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).

  • Average sunshine in May: 8h and 36min

The months with the most sunshine are July, August and September (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

Average sunshine days in May
Rantau, Malaysia

  • Average sunshine days in May: 9.3 days

The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is March (4.7 days).

Average UV index in May
Rantau, Malaysia

  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).

Average cloud cover in May
Rantau, Malaysia

  • Average cloud cover in May: 37

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in May
Rantau, Malaysia

  • Average visibility in May: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).