December Weather in Petaling Jaya, Malaysia

Last updated: August 21, 2025

December in Petaling Jaya, Malaysia, is characterized by warm temperatures and high humidity, making it an engaging, albeit wet month. With a maximum temperature peaking at 34°C (94°F) and an average of 27°C (82°F), residents and visitors alike can expect warm days. The minimum temperature hovers around 24°C (75°F), ideal for balmy evenings. However, the weather is punctuated by significant rainfall, totaling 244 mm (9.6 in) over 26 days, creating a lush landscape and a refreshing atmosphere. The humidity often reaches a sweltering 90%, enhancing the tropical experience that defines this vibrant city.

December Temperature in Petaling Jaya

In December, Petaling Jaya experiences a delightful drop in temperatures, signaling the arrival of the year-end season. The month sees minimums settling at a comfortable 24°C (75°F), while daytime highs reach around 34°C (94°F), creating a pleasant atmosphere for outdoor activities. The average temperature hovers at 27°C (82°F), slightly cooler than the preceding months, which typically feature more intense heat. This trend reflects a gradual shift from the higher temperatures noted in the earlier part of the year, making December an ideal time to explore the city, enjoy festive events, and appreciate the milder Malaysian climate.

December Weather in Petaling Jaya: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Petaling Jaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petaling Jaya, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818283838483848483838281
Data source: Temperature data for Petaling Jaya generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Petaling Jaya

In Petaling Jaya, December marks a notable peak in precipitation, recording an impressive 244 mm (9.6 inches) of rainfall across 26 days, making it one of the wettest months of the year. This trend follows the preceding rainy season, characterized by November's even higher total of 292 mm (11.5 inches) over 28 days. As the year draws to a close, the wet weather in December remains consistent with the pattern established throughout the year, reflecting the region's tropical climate. This seasonal surge not only highlights the importance of December as a critical period for replenishing local water resources but also signals the continuation of vibrant, lush landscapes that characterize Malaysia.

December Precipitation Trends in Petaling Jaya

The chart displays monthly precipitation patterns in Petaling Jaya, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Petaling Jaya, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1449416121218411497112154173292244
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Petaling Jaya

In Petaling Jaya, Malaysia, December marks a peak in humidity, reaching a notable 90%. This trend reflects the region's overall high humidity levels, which consistently hover around the mid to high 80s throughout the year. The data reveals a gradual increase from January’s 84%, climbing steadily to an impressive 90% by August and maintaining this sultry atmosphere into the end of the year. As the wet season approaches, one can easily see how the humidity surges during the latter months, influencing the climate and lifestyle in this vibrant city. The consistent humidity lends a tropical essence, underscoring Malaysia's characteristic warmth and lushness as the year draws to a close.

December Average Humidity in Petaling Jaya

This chart illustrates the average monthly humidity levels in Petaling Jaya, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Petaling Jaya is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%77%77%80%85%87%88%90%90%89%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Petaling Jaya

In December, Petaling Jaya continues to experience an extremely high UV Index of 12, reflecting a consistent trend throughout the year. The burn time remains a brief 10 minutes, reminding residents and visitors alike of the importance of sun protection during this month. As the year wraps up, it’s worth noting that while the UV Index has slightly dipped from its peak of 15 in both February and March, the exposure category still categorizes December as extreme. This steady pattern highlights the intensity of UV radiation in Petaling Jaya, making sun safety practices essential all year round. For more detailed insights on UV levels, check Petaling Jaya UV Index.

Maximum UV Index Levels in Petaling Jaya for December

The chart shows the monthly maximum UV Index (UVI) for Petaling Jaya in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Petaling Jaya typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131515141312121314141312
Data source: Petaling Jaya December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Petaling Jaya

In Petaling Jaya, Malaysia, December brings a delightful 286 hours of sunshine, rounding off a year that showcases a vibrant shift in daylight. The pattern reveals a peak in solar brilliance during the spring months, with March basking in an impressive 325 hours, while winter months like January and November dip to the lower end of the spectrum. Despite December’s sunny disposition, it falls short compared to the brightness of earlier months like February and July, hinting at a gradual transition towards the cooler, cloudier months ahead. As the year closes, this sunlit snapshot serves as a reminder of Petaling Jaya's vibrant atmosphere, promising plenty of radiant days to welcome the New Year.

Monthly Sunshine Duration in Petaling Jaya: December Highlighted

The December sunshine duration represents the total number of hours Petaling Jaya experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec238h301h325h296h297h292h311h305h291h283h260h286h
Data source: Petaling Jaya December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Petaling Jaya During December

December in Petaling Jaya, Malaysia, brings a modest 10% chance of sunny weather, making it one of the cooler months in terms of sunshine. As the year winds down, the likelihood of bright days dips compared to the better odds seen earlier, particularly in February with a notable 26% chance. This trend indicates a broader pattern where sunshine chances are generally lower towards the end of the year, particularly in November at 7%. Overall, while December may not promise abundant sunshine, it offers a refreshing break from the hotter months, inviting visitors to experience the vibrant city under a serene, albeit cloudy, sky.

Percentage of Sunny Days in December in Petaling Jaya

The chart illustrates the percentage of sunny days in Petaling Jaya throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Petaling Jaya experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%26%22%17%16%18%15%14%16%13%7%10%
Data source: Petaling Jaya December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Petaling Jaya in December

In Petaling Jaya, Malaysia, daylight duration exhibits a fascinating consistency throughout the year, with most months enjoying a generous 12 hours of sunlight. Starting from January at 11 hours, the daylight gradually increases, peaking in the middle months from February to October. This extended exposure to sunlight creates a vibrant atmosphere, perfect for outdoor activities and exploration. As the year progresses, daylight begins to wane again, tapering off to 11 hours by December, echoing the trend seen in January and November. This cyclical pattern of light showcases the region's tropical climate, where daylight plays a significant role in the daily lives of its inhabitants.

Average Daylight Hours in Petaling Jaya for December

The chart illustrates the variation in daylight duration in Petaling Jaya throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 57m12h12h 5m12h 10m12h 14m12h 16m12h 15m12h 11m12h 6m12h 2m11h 58m11h 56m
Data source: Petaling Jaya daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Petaling Jaya

As December settles in Petaling Jaya, Malaysia, the winds begin to whisper a gentle rhythm, averaging 1.7 m/s (4 mph). This marks a slight dip from the breezy heights of October, when gusts reached 2.3 m/s (5 mph). Throughout the year, wind speeds have shown a subtle yet steady increase from the calmer months of January and March, both at 1.5 m/s. The breezier July, with its peak at 2.1 m/s, reflects the region's characteristic seasonal patterns, where late-year transitions bring a breath of fresh air. December's winds, still mild, embrace the city's vibrant atmosphere, creating a serene backdrop as the year winds to a close.

Average December Wind Speed in Petaling Jaya

The chart displays monthly wind speed patterns in Petaling Jaya, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.52.01.51.81.62.02.11.91.92.31.91.7 m/s
Data source: Petaling Jaya December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Petaling Jaya Compares to Other Months

Weather in Petaling Jaya varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Petaling Jaya, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather is characterized by warmer temperatures, with a minimum of 24°C (75°F) and a high of 34°C (94°F), while January sees slightly cooler lows of 22°C (72°F) but maintains the same maximum. Both months share an average temperature of 27°C (82°F). However, December experiences significantly higher precipitation, totaling 244 mm (9.6 in) over 26 days, compared to January's 144 mm (5.7 in) over just 18 days. Humidity levels also drop from 90% in December to 84% in January, making the latter month feel a bit more comfortable. For more information on January weather specifics, you can visit Petaling Jaya weather in January.

December typically brings warmer temperatures and higher humidity compared to February. With minimums of 24°C (75°F) and an average of 27°C (82°F), December experiences a maximum of 34°C (94°F), accompanied by significant rainfall totaling 244 mm (9.6 in) over 26 days. In contrast, February shows a slight dip in minimum temperatures to 22°C (72°F) and an average of 28°C (83°F), with a higher maximum of 36°C (97°F). Precipitation drops dramatically to 94 mm (3.7 in) over just 15 days, and the humidity decreases to 77%. This shift points to a drier and slightly warmer February overall. For more detailed information, you can check Petaling Jaya weather in February.

December and March in Petaling Jaya exhibit notable differences in weather patterns. December experiences slightly lower average temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), accompanied by high humidity at 90%. The month is characterized by significant rainfall of 244 mm (9.6 in) over 26 days, indicating a wetter climate.

In contrast, March sees warmer temperatures, with an average rising to 28°C (84°F) and a peak of 36°C (98°F). Although the humidity drops to 77%, it still maintains a substantial level of moisture. The precipitation is also lower in March, amounting to 161 mm (6.3 in) across 24 days. For more detailed weather information, visit Petaling Jaya weather in March.

In comparing the weather of December and April, both months exhibit warm temperatures, but April typically sees slightly higher averages. December has a minimum temperature of 24°C (75°F) and an average of 27°C (82°F), while April has a minimum of 24°C (76°F) and an average of 29°C (84°F). The maximum temperatures also rise in April, reaching up to 36°C (97°F) compared to December's maximum of 34°C (94°F). Precipitation in December is higher, with 244 mm (9.6 in) falling over 26 days, compared to April's 212 mm (8.3 in) over the same number of days. Additionally, April boasts lower humidity at 80% compared to December's 90%. For more detailed information, you can visit Petaling Jaya weather in April.

December and May both exhibit warm temperatures, but there are notable differences in their weather patterns. In December, the minimum temperature hovers around 24°C (75°F), with an average of 27°C (82°F) and a maximum reaching up to 34°C (94°F). This month typically experiences higher precipitation, totaling 244 mm (9.6 in) over 26 days, coupled with a humidity level of 90%.

In contrast, May has slightly lower minimum temperatures at 23°C (74°F) and a higher average of 29°C (84°F), with maximum temperatures peaking at 35°C (95°F). Precipitation is less intense at 184 mm (7.2 in), also spread across 26 days, and humidity is slightly lower at 85%. For more detailed information, you can check out Petaling Jaya weather in May.

In December, the weather in Petaling Jaya is characterized by a slightly cooler average temperature of 27°C (82°F), with maximum temperatures reaching up to 34°C (94°F). However, December experiences significantly higher rainfall, totaling 244 mm (9.6 in) over 26 days, paired with high humidity levels at 90%.

In contrast, June warms up a bit more, with an average temperature of 29°C (84°F) and maximums peaking at 35°C (96°F). The month is generally drier, receiving only 114 mm (4.5 in) of precipitation across 18 days, and maintaining a somewhat lower humidity of 87%. For more detailed information, you can check out Petaling Jaya weather in June.

December and July in Petaling Jaya showcase distinct weather profiles. December experiences slightly lower temperatures, with averages around 27°C (82°F) and maximums reaching 34°C (94°F). In contrast, July tends to be warmer, with average temperatures of 29°C (84°F) and maximums peaking at 35°C (96°F). Precipitation also differs significantly; December sees much higher rainfall at 244 mm (9.6 in) over 26 days, compared to July's 96 mm (3.8 in) over 17 days. Additionally, humidity levels remain relatively high in both months, with December at 90% and July at 87%. For more details, visit Petaling Jaya weather in July.

In comparing the weather between December and August, both months experience high humidity levels of around 90%. However, December tends to be cooler, with average temperatures ranging from 27°C (82°F) to a maximum of 34°C (94°F), while August is slightly warmer, with an average temperature of 29°C (84°F) and a high of 35°C (96°F). Precipitation is significantly greater in December, reaching a total of 244 mm (9.6 in) across 26 days, compared to August's 112 mm (4.4 in) over 18 days. For more details on how August weather in Petaling Jaya specifically feels, check out Petaling Jaya weather in August.

In comparing the weather between December and September, both months experience similarly warm temperatures, with minimums around 24°C (75°F). However, September sees slightly higher average maximum temperatures, reaching up to 36°C (96°F), compared to December's peak of 34°C (94°F). Precipitation levels are notably higher in December, with 244 mm (9.6 in) over 26 days, while September has 153 mm (6.0 in) over 22 days. Interestingly, both months share the same high humidity level of 90%, contributing to a consistently tropical feel. For more detailed information, you can check this link: Petaling Jaya weather in September.

When comparing the weather in December to that of October, we see some notable differences. December generally experiences slightly lower average temperatures, with a minimum of 24°C (75°F) and an average of 27°C (82°F), while October is warmer, featuring an average of 28°C (83°F) and a maximum of 36°C (98°F). Additionally, December tends to be wetter, receiving a significant 244 mm (9.6 in) of precipitation over 26 days, compared to October's 173 mm (6.8 in) across 22 days. Humidity levels remain quite similar, with December at 90% and October at 89%. For more detailed information, you can check out Petaling Jaya weather in October.

In December, the weather remains warm, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F) and an average of 27°C (82°F). However, it experiences slightly less precipitation compared to November, with 244 mm (9.6 in) of rainfall over 26 days and a humidity level of 90%. In contrast, November showcases a similar temperature range, with a minimum of 24°C (75°F) and a maximum of 35°C (95°F), but it receives more rainfall at 292 mm (11.5 in) across 28 days, along with a slightly lower humidity at 89%. For more details on November’s climate, check out Petaling Jaya weather in November.

Compare Petaling Jaya's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Petaling Jaya

As December settles in Petaling Jaya, the weather shifts to a more humid atmosphere, with an average temperature that oscillates around a warm 27°C (82°F). Unlike the earlier months of the year, December experiences heightened precipitation, with about 26 days of rain contributing to a totals of 244 mm (9.6 in), making it one of the wetter months. Humidity levels hover at a staggering 90%, creating a tropical feel that contrasts sharply with the relatively drier and cooler months preceding it. If you're curious about the full climate profile of this vibrant city, check out Petaling Jaya Climate for more insights!