May weather forecast
Petaling Jaya, Malaysia

Weather in May

The last month of the spring, May, is another hot month in Petaling Jaya, Malaysia, with an average temperature varying between 24.4°C (75.9°F) and 32.4°C (90.3°F).

Temperature

The warmest months are February, April through June, with an average high-temperature of 32.4°C (90.3°F).

Heat index

The average heat index in May is appraised at a burning hot 45°C (113°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. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, differences in body mass, height, and shape, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Petaling Jaya, the average relative humidity in May is 78%.

Rainfall

In Petaling Jaya, in May, during 29.2 rainfall days, 144mm (5.67") of precipitation is typically accumulated. Throughout the year, in Petaling Jaya, there are 309.8 rainfall days, and 1481mm (58.31") of precipitation is accumulated.

Daylight

In May, the average length of the day is 12h and 16min.
On the first day of May, sunrise is at 7:03 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 7:19 pm +08.

Sunshine

In Petaling Jaya, the average sunshine in May is 8.5h.

UV index

The months with the highest UV index in Petaling Jaya are February through October and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Petaling Jaya?

February, April through June, with an average high-temperature of 32.4°C (90.3°F), are warmest months in Petaling Jaya.

What is the temperature in May in Petaling Jaya?

The average high-temperature, in May, is 32.4°C (90.3°F), while the average low-temperature is 24.4°C (75.9°F). in May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 45°C (113°F).

What is the average humidity in May in Petaling Jaya?

In May, the average relative humidity in Petaling Jaya is 78%.

How much does it rain in Petaling Jaya in May?

In Petaling Jaya, Malaysia, during May, the rain falls for 29.2 days and regularly aggregates up to 144mm (5.67") of precipitation.

What is the average length of the day in May in Petaling Jaya?

The average day length in May is 12h and 16min.

When are sunrise and sunset in May in Petaling Jaya?

In May, on the first day of the month, sunrise is at 7:03 am and sunset at 7:17 pm. On the last day of the month, in Petaling Jaya, sunrise is at 7:02 am and sunset at 7:19 pm +08.

How many hours of sunshine does Petaling Jaya have in May?

In May, the average sunshine duration in Petaling Jaya, Malaysia, is 8.5h.

What is the month with the highest UV index in Petaling Jaya?

The months with the highest UV index in Petaling Jaya, Malaysia, are February through October and December, with an average maximum UV index of 7.

How high is the UV index in May in Petaling Jaya?

In Petaling Jaya, Malaysia, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in May
Petaling Jaya, Malaysia

Average temperature in May - Petaling Jaya, Malaysia
  • Average high temperature in May: 32.4°C

The warmest months (with the highest average high temperature) are February, April, May and June (32.4°C).
The month with the lowest average high temperature is December (30.9°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 (22.9°C).

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Average pressure in May
Petaling Jaya, Malaysia

Average pressure in May - Petaling Jaya, Malaysia
  • Average pressure in May: 1008.7mbar

The month with the highest atmospheric pressure is January (1010.5mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).

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Average wind speed in May
Petaling Jaya, Malaysia

Average wind speed in May - Petaling Jaya, Malaysia
  • Average wind speed in May: 4.6km/h

The windiest months (with the highest average wind speed) are July and August (5.2km/h).
The calmest months (with the lowest average wind speed) are November and December (4.2km/h).

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Average humidity in May
Petaling Jaya, Malaysia

Average humidity in May - Petaling Jaya, Malaysia
  • Average humidity in May: 78%

The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are August and September (73%).

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Average rainfall in May
Petaling Jaya, Malaysia

Average rainfall in May - Petaling Jaya, Malaysia
  • Average rainfall in May: 144mm

The wettest month (with the highest rainfall) is November (194mm).
The driest month (with the least rainfall) is February (68mm).

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Average rainfall days in May
Petaling Jaya, Malaysia

Average rainfall days in May - Petaling Jaya, Malaysia
  • Average rainfall days in May: 29.2 days

The month with the highest number of rainy days is May (29.2 days).
The month with the least rainy days is February (19.4 days).

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Average daylight in May /
Average sunshine in May
Petaling Jaya, Malaysia

Average daylight in May / Average sunshine in May - Petaling Jaya, Malaysia
  • Average daylight in May: 12h and 16min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 57min).

  • Average sunshine in May: 8h and 30min

The month with the most sunshine is June (Average sunshine: 8h and 48min).
The months with the least sunshine are November and December (Average sunshine: 7h and 24min).

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Average sunshine days in May
Petaling Jaya, Malaysia

Average sunshine days in May - Petaling Jaya, Malaysia
  • Average sunshine days in May: 1.1 days

The month with the most sunshine days is January (8.8 days).
The month with the least sunshine days is May (1.1 days).

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Average UV index in May
Petaling Jaya, Malaysia

Average UV index in May - Petaling Jaya, Malaysia
  • Average UV index in May: 7

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

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Average cloud cover in May
Petaling Jaya, Malaysia

Average cloud cover in May - Petaling Jaya, Malaysia
  • Average cloud cover in May: 39

The month with the most cloud cover is November (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 34).

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Average visibility in May
Petaling Jaya, Malaysia

Average visibility in May - Petaling Jaya, 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).

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