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December Weather in Klang, Malaysia

Last updated: August 23, 2025

In December, the average temperature in Klang, Malaysia hovers around 27°C (82°F), with a comfortable minimum of 24°C (75°F) and a peak at a warm 34°C (94°F). Be prepared for some rain, as precipitation averages 244 mm (9.6 in) over 26 days, all amid a high humidity level of 90%.

December Temperature in Klang

In December in Klang, the average temperature is 27°C (82°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 24°C (75°F). This makes Klang an ideal destination for travelers seeking warm weather and pleasant conditions.

December Weather in Klang: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Klang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Klang, December typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec818283838483848483838281
Data source: Temperature data for Klang generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Klang

In Klang in December, the precipitation amount is 244 mm (9.6 in) over a period of 26 days.

December Precipitation Trends in Klang

The chart displays monthly precipitation patterns in Klang, 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 Klang, December typically receives around 244 mm (9.6 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1449416121218411497112154173292244
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Klang

In Klang in December humidity is 90%. With an average temperature of 27°C (82°F), this humidity feels like a thick, enveloping blanket that makes traveling feel heavy and sluggish, causing you to constantly seek shade and refreshment as you navigate the sweltering air.

December Average Humidity in Klang

This chart illustrates the average monthly humidity levels in Klang, 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 Klang is approximately 90%, 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 Klang

In Klang in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Klang.

Maximum UV Index Levels in Klang for December

The chart shows the monthly maximum UV Index (UVI) for Klang 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 Klang typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131515141312121314141312
Data source: Klang 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.

How December Weather in Klang Compares to Other Months

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

This table compares monthly weather conditions in Klang, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)144 mm (5.7 inches)84%extreme
February Weather28°C (83°F)94 mm (3.7 inches)77%extreme
March Weather28°C (84°F)161 mm (6.3 inches)77%extreme
April Weather29°C (84°F)212 mm (8.3 inches)80%extreme
May Weather29°C (84°F)184 mm (7.2 inches)85%extreme
June Weather29°C (84°F)114 mm (4.5 inches)87%extreme
July Weather29°C (84°F)96 mm (3.8 inches)87%extreme
August Weather29°C (84°F)112 mm (4.4 inches)90%extreme
September Weather28°C (83°F)153 mm (6.0 inches)90%extreme
October Weather28°C (83°F)173 mm (6.8 inches)89%extreme
November Weather28°C (82°F)292 mm (11.5 inches)89%extreme
December Weather27°C (82°F)244 mm (9.6 inches)90%extreme

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