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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





