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Contents
- The climate of Petaling Jaya
- The best time to visit Petaling Jaya
- The worst time to visit Petaling Jaya
- Spring weather in Petaling Jaya
- Summer weather in Petaling Jaya
- Autumn weather in Petaling Jaya
- Winter weather in Petaling Jaya
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Petaling Jaya
According to the Köppen climate classification, the prevailing climate of Petaling Jaya, Malaysia is of the type 'Af' - Tropical rainforest. This locality is geographically placed in the equatorial region where the proximity to the sea significantly influences its climate. The climate attributes are characterized by high temperatures, high humidity, and abundant rainfall.
Throughout the year, Petaling Jaya’s temperature remains high, with the highest monthly average around 32.4°C (90.3°F) and the lowest at about 22.9°C (73.2°F). The highest and lowest temperature vary mildly between the months, barely moving more than a couple of°C, reflecting a relatively constant temperature. The humidity level averages between 73% and 82%, with the year's highest levels reached in December.
Rainfall is plentiful, consistent, and peaks towards November, with the maximum average monthly precipitation being 194mm (7.64") and the lowest being 68mm (2.68") in February. There's no absence of rainfall in any month, endorsing the tropical rainforest classification. In harmony with the precipitation, the average number of rainfall days spans from 19.4 in February to 29.2 in May. Overcast conditions also prevail, with monthly cloud cover percentage varying from 34% to 51%.
Throughout the year, Petaling Jaya’s temperature remains high, with the highest monthly average around 32.4°C (90.3°F) and the lowest at about 22.9°C (73.2°F). The highest and lowest temperature vary mildly between the months, barely moving more than a couple of°C, reflecting a relatively constant temperature. The humidity level averages between 73% and 82%, with the year's highest levels reached in December.
Rainfall is plentiful, consistent, and peaks towards November, with the maximum average monthly precipitation being 194mm (7.64") and the lowest being 68mm (2.68") in February. There's no absence of rainfall in any month, endorsing the tropical rainforest classification. In harmony with the precipitation, the average number of rainfall days spans from 19.4 in February to 29.2 in May. Overcast conditions also prevail, with monthly cloud cover percentage varying from 34% to 51%.
The best time to visit Petaling Jaya
Visiting a rainforest climate region largely depends on the individual's tolerance to heat, humidity, and the preference to avoid heavy rains. For those who want to make the most out of the sunshine, the months from May to August have the most optimal conditions. These months record the highest sunshine hours, ranging from 8.5 hours to 8.8 hours per day, despite being somewhat rainy.
The worst time to visit Petaling Jaya
While each month boasts its own uniqueness, some might find the year-end period challenging for outdoor activities. November is the run-up to the wettest time of the year, receiving the highest average rainfall of 194mm (7.64"), with December very closely following. Together with the high precipitation, these months also experience the highest relative humidity levels of 81% and 82%. The combination can lead to relentless dampness, making it less ideal for people not used to high humidity levels.
Spring weather in Petaling Jaya
Petaling Jaya, due to its tropical nature, does not experience the typical spring season as in temperate countries. However, for the purpose of this report, the spring months are considered to be March, April, and May. During these months, the temperatures average between a high of 32.3°C (90.1°F) to 32.4°C (90.3°F) and a low of 23.7°C (74.7°F) to 24.4°C (75.9°F). Rainfall is expected to range from 108mm (4.25") in March to 167mm (6.57") in May with cloud cover percentages hovering between 39% and 41%.
Summer weather in Petaling Jaya
The summer months of June, July, and August in Petaling Jaya commonly signify warmer temperatures with relatively lower rainfall. The highest average temperature during this period stays at a rather steady 32.4°C (90.3°F) while the low remains around 23.8°C (74.8°F) to 23.9°C (75°F). Rainfall averages between 96mm (3.78") to 106mm (4.17") and sunshine duration varies from 8.6 hours to 8.8 hours per day.
Autumn weather in Petaling Jaya
September, October, and November correspond to the autumn period in Petaling Jaya. This weather phase ushers in heavier rainfall in anticipation of the end-of-year deluge. The temperatures remain relatively stable, with highs averaging at 32.2°C (90°F) in September to 31.2°C (88.2°F) in November, while the low is between 23.5°C (74.3°F) and 24.1°C (75.4°F). The average rainfall starts from 88mm (3.46") in September and progressively increases to 194mm (7.64") by November.
Winter weather in Petaling Jaya
December in Petaling Jaya marks the meteorological counterpart of winter. The month is expected to witness high humidity levels at 82% and notable cloud cover at 48% on average. Despite this season's name, the maximum and minimum temperature remains relatively high, from 30.9°C (87.6°F) to 23.3°C (73.9°F) respectively. The month also receives a significant rainfall quantity of 153mm (6.02"), signifying an end to the year’s highest rainfall phase.
Weather in January
January in Petaling Jaya, Malaysia witnesses a somewhat cooler climate due to a lower average monthly temperature from 22.9°C (73.2°F) to 31.2°C (88.2°F). Comparatively less humid than other months, it also has the least hours of sunshine (7.4 hours) to warm your skin. Weather in January »
Weather in February
Petaling Jaya's weather takes a turn for the better in February with a marginal rise in temperatures, often inviting locals and tourists to enjoy outdoor activities. This month sees an increase in sunshine, offering longer daylight hours compared with January. Weather in February »
Weather in March
March in Petaling Jaya, Malaysia is known for its pleasantly stable weather, with temperatures hovering closely to the February averages. Despite this consistency, humidity sets back in, making the environment feel slightly steamy. Weather in March »
Weather in April
Temperature contrasts noticeably during April in Petaling Jaya, touching a monthly high from 24.2°C (75.6°F) to 32.4°C (90.3°F). Combined with the highest recorded rainfall of 167mm (6.57") for the year, its climate can potentially keep tourists at bay. Weather in April »
Weather in May
May experiences a slight rise in temperatures in Petaling Jaya, making the afternoon quite warm. This is still accompanied by rain showers, keeping the urban heat at bay. Though the month gets fair sunlight, the overcast sky can often reduce visibility. Weather in May »
Weather in June
June, with its seemingly gentle transition in weather, brings clarity to Petaling Jaya's hazy skyline. The balanced climatic conditions, along with a decrease in rainfall to 96mm (3.78"), appeal not only to the locals but also to out-of-town visitors. Weather in June »
Weather in July
In July, Petaling Jaya experiences an elevation in wind speed that reaches 5.2km/h (3.2mph), offering some respite in the humidity-laden air. While there's plenty of rain to keep the heavy heat under control, daytime remains partly sunny. Weather in July »
Weather in August
Shifting from July to August, Petaling Jaya witnesses insignificant changes in climatic conditions. Humidity drops to 73%, potentially adding to the comfort level of locals and travellers alike. Consistent rainfall with occasional heavy showers continues to be a characteristic feature of the city's weather. Weather in August »
Weather in September
As Petaling Jaya transitions to September, a slight dip in average monthly temperatures from 23.5°C (74.3°F) to 32.2°C (90°F) is observed. However, this doesn't disturb the uniformity of weather that the city has been experiencing over the past few months. Weather in September »
Weather in October
October, like September, is a hot autumn month in Petaling Jaya, Malaysia, with an average temperature varying between 23.9°C (75°F) and 32.3°C (90.1°F). The advent of October sees the average high-temperature at a still tropical 32.3°C (90.1°F), subtly shifted from September's 32.2°C (90°F). Weather in October »
Weather in November
November, the last month of the autumn in Petaling Jaya, is also a hot month, with an average temperature fluctuating between 31.2°C (88.2°F) and 24.1°C (75.4°F). The arrival of November records an average high-temperature of a still tropical 31.2°C (88.2°F), closely related to the 32.3°C (90.1°F) observed in October. Weather in November »
Weather in December
December gets a head start on lowering temperatures in advance of the approaching new year, reaching a high of 30.9°C (87.6°F) and a low of 23.3°C (73.9°F). Although it marks an increase in rainfall to 153mm (6.02"), pressure averages out at 1009.6mb, suggesting relatively stable weather conditions. Weather in December »
Frequently asked questions
How many days does it rain in Petaling Jaya?
Throughout the year, there are 309.8 rainfall days, and 1481mm (58.31") of precipitation is accumulated.
What are the months with the lowest UV index in Petaling Jaya?
January and November, with an average maximum UV index of 6, are months with the lowest UV index in Petaling Jaya.
What is the hottest time of year in Petaling Jaya?
Petaling Jaya experiences the peak of its temperatures in February, April through June, when the average high-temperatures rise to 32.4°C (90.3°F).
What is the driest month in Petaling Jaya?
The month with the least rainfall in Petaling Jaya is February, when the rain falls for 19.4 days and typically collects 68mm (2.68") of precipitation.
What are the months with the highest UV index in Petaling Jaya?
February through October and December, with an average maximum UV index of 7, are months with the highest UV index in Petaling Jaya.
When are the longest days in Petaling Jaya?
June has the longest days of the year in Petaling Jaya, with an average of 12h and 18min of daylight.
What month has the most sunshine in Petaling Jaya?
The month with the most sunshine in Petaling Jaya, Malaysia, is June, with an average of 8.8h of sunshine.
What are the least humid months in Petaling Jaya?
The months with the lowest humidity are August and September, with an average relative humidity of 73%.
What is the rainiest month in Petaling Jaya?
November is the month with the most rainfall in Petaling Jaya. Rain falls for 28.2 days and accumulates 194mm (7.64") of precipitation.
What is the month with the least sunshine in Petaling Jaya?
November and December, with an average of 7.4h of sunshine, are months with the least sunshine.
What are the coldest months in Petaling Jaya?
December, with its high-temperature average of 30.9°C (87.6°F) and a low-temperature average of 23.3°C (73.9°F), is the coldest month.
What is the most humid month in Petaling Jaya?
December is the most humid month, with an average relative humidity of 82%.
What is the month with the shortest days in Petaling Jaya?
With an average of 11h and 54min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Petaling Jaya?
Petaling Jaya does not utilize Daylight Saving Time (DST). +08 timezone is used over the entire year.
Average temperature
Petaling Jaya, Malaysia
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).
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).
Average pressure
Petaling Jaya, Malaysia
- Average pressure in January:
1010.5mbar - Average pressure in February:
1010.4mbar - Average pressure in March:
1010mbar - Average pressure in April:
1009.3mbar - Average pressure in May:
1008.7mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1009.7mbar - Average pressure in October:
1009.7mbar - Average pressure in November:
1009mbar - Average pressure in December:
1009.6mbar
The month with the highest atmospheric pressure is January (1010.5mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).
Average wind speed
Petaling Jaya, Malaysia
- Average wind speed in January:
4.5km/h - Average wind speed in February:
4.6km/h - Average wind speed in March:
4.4km/h - Average wind speed in April:
4.4km/h - Average wind speed in May:
4.6km/h - Average wind speed in June:
4.9km/h
- Average wind speed in July:
5.2km/h - Average wind speed in August:
5.2km/h - Average wind speed in September:
5km/h - Average wind speed in October:
4.8km/h - Average wind speed in November:
4.2km/h - Average wind speed in December:
4.2km/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).
Average humidity
Petaling Jaya, Malaysia
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall
Petaling Jaya, Malaysia
- Average rainfall in January:
85mm - Average rainfall in February:
68mm - Average rainfall in March:
108mm - Average rainfall in April:
167mm - Average rainfall in May:
144mm - Average rainfall in June:
96mm
- Average rainfall in July:
103mm - Average rainfall in August:
106mm - Average rainfall in September:
88mm - Average rainfall in October:
169mm - Average rainfall in November:
194mm - Average rainfall in December:
153mm
The wettest month (with the highest rainfall) is November (194mm).
The driest month (with the least rainfall) is February (68mm).
Average rainfall days
Petaling Jaya, Malaysia
- Average rainfall days in January:
21.3 days - Average rainfall days in February:
19.4 days - Average rainfall days in March:
25.6 days - Average rainfall days in April:
27.8 days - Average rainfall days in May:
29.2 days - Average rainfall days in June:
23.9 days
- Average rainfall days in July:
26.6 days - Average rainfall days in August:
27.7 days - Average rainfall days in September:
26.6 days - Average rainfall days in October:
26.7 days - Average rainfall days in November:
28.2 days - Average rainfall days in December:
26.8 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).
Average daylight / Average sunshine
Petaling Jaya, Malaysia
- Average daylight in January:
12h and 0min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 2min
- Average daylight in July:
12h and 2min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 5min
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 54min).
- Average sunshine in January:
7h and 5min - Average sunshine in February:
8h and 3min - Average sunshine in March:
8h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 3min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
8h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
8h and 1min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 2min
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).
Average sunshine days
Petaling Jaya, Malaysia
- Average sunshine days in January:
8.8 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
4.8 days - Average sunshine days in April:
1.3 days - Average sunshine days in May:
1.1 days - Average sunshine days in June:
2.7 days
- Average sunshine days in July:
2.3 days - Average sunshine days in August:
2.2 days - Average sunshine days in September:
1.6 days - Average sunshine days in October:
2.7 days - Average sunshine days in November:
1.3 days - Average sunshine days in December:
3.5 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).
Average UV index
Petaling Jaya, Malaysia
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).
Average cloud cover
Petaling Jaya, Malaysia
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).
Average visibility
Petaling Jaya, Malaysia
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).
Petaling Jaya, Malaysia
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