December Weather in Sepang, Malaysia

Last updated: August 21, 2025

In December, Sepang, Malaysia experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches a sweltering 33°C (91°F), with an average of about 27°C (81°F) and a minimum of 24°C (75°F). This month is notably wet, accumulating a substantial 234 mm (9.2 in) of rainfall over 27 rainy days, making it one of the wetter times of the year. With humidity levels soaring at 90%, conditions can feel quite tropical, entrenching the essence of a lush, green environment typical of Southeast Asia.

December Temperature in Sepang

In December, Sepang, Malaysia, continues to bask in warm tropical temperatures that are characteristic of the region. With minimums hovering around 24°C (75°F) and average highs reaching 33°C (91°F), the weather remains consistently pleasant. Notably, the month maintains an average temperature of 27°C (81°F), reflecting the stable climate seen throughout much of the year. As December draws to a close, visitors can expect warm days perfect for outdoor activities, while pleasant evening temperatures provide a comfortable respite. This trend of mild warmth is consistent from previous months, making Sepang a delightful destination as the year ends.

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

The chart illustrates December temperature patterns in Sepang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sepang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818282828282828281818181
Data source: Temperature data for Sepang 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 Sepang

In Sepang, Malaysia, December is characterized by considerable precipitation, with an average of 234 mm (9.2 in) spread over 27 rainy days. This month maintains a trend seen throughout the latter part of the year, where rainfall peaks significantly, particularly in November with 312 mm (12.3 in), signaling a robust wet season. Following November, December’s rainfall remains high, although slightly reduced, continuing the pattern of sustained precipitation typical of this tropical region. The rainfall trend showcases a gradual increase from January, culminating in the wettest months from September through November, reflecting the seasonal transition and climatic rhythms that define the area's weather dynamics.

December Precipitation Trends in Sepang

The chart displays monthly precipitation patterns in Sepang, 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 Sepang, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13885191234235156166163238233312234
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Sepang

In December, Sepang, Malaysia experiences a peak in humidity, reaching a significant 90%, a trend that has been consistently observed since September. Following a gradual increase from 84% in January to 87% in July, the humidity levels remain high throughout the year, particularly in the latter half, where August to December showcase humidity readings of 90% or above. This persistent moisture in the air is characteristic of Sepang's tropical climate, creating a warm and steamy atmosphere that is both invigorating and challenging for residents and visitors alike. As the year winds down, the high humidity may evoke a sense of lushness in the landscape, emphasizing the region's vibrancy amidst its tropical backdrop.

December Average Humidity in Sepang

This chart illustrates the average monthly humidity levels in Sepang, 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 Sepang 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 Sepang

In December, Sepang, Malaysia experiences a UV Index of 12, categorized as extreme, which means visitors should be cautious about sun exposure, with a burn time of just 10 minutes. Observing the trend throughout the year, the UV Index remains consistently high across the months, peaking in February and March at an impressive 15. This trend indicates that the tropical climate in Sepang subjects individuals to significant sun exposure year-round, making protective measures essential for anyone spending time outdoors. To stay informed on the UV Index and plan your activities accordingly, visit Sepang UV Index.

Maximum UV Index Levels in Sepang for December

The chart shows the monthly maximum UV Index (UVI) for Sepang 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 Sepang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131515141412121314141312
Data source: Sepang 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 Sepang

In Sepang, Malaysia, the month of December brings a delightful 289 hours of sunshine, wrapping up the year with a warm glow. As the year unfolds, a noticeable trend emerges: the sun shines brightest in the spring months of March and April, peaking at 326 hours and 297 hours respectively. Despite a slight dip in sunlight during the latter part of the year, especially in November with only 260 hours, December maintains a comfortable level of brightness. Interestingly, the sunshine hours in December are consistent, reflecting a stable climate as the year transitions into the cooler months. All in all, while sunlight may vary throughout the year, the pleasant availability of sunshine in December ensures that visitors can still bask in the warmth of Sepang's tropical paradise.

Monthly Sunshine Duration in Sepang: December Highlighted

The December sunshine duration represents the total number of hours Sepang 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.
JanFebMarAprMayJunJulAugSepOctNovDec240h302h326h297h298h292h313h307h294h287h260h289h
Data source: Sepang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sepang During December

In December, the likelihood of sunny weather in Sepang, Malaysia, drops to a modest 10%, signaling the tail end of the year's sunshine. This trend follows a generally diminishing chance of clear skies, peaking in February at 25% before gradually declining throughout the year. Notably, November presents the least optimism for sun, with only 7% of days likely to feature bright weather. As the year wraps up, December's sunny prospects remain bleak compared to the earlier months, hinting that travelers should prepare for rather gloomy conditions as the festive season unfolds.

Percentage of Sunny Days in December in Sepang

The chart illustrates the percentage of sunny days in Sepang 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 Sepang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%25%21%17%15%19%13%13%16%13%7%10%
Data source: Sepang December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sepang in December

In Sepang, Malaysia, the daylight duration showcases a steady rhythm throughout the year, with a fascinating balance of light. Beginning with 11 hours of daylight in January, the days gradually elongate to a glorious 12 hours stretching from February through September. This seasonal peak of balanced daylight fosters an inviting atmosphere, perfect for enjoying outdoor activities. As the year transitions into October, the duration remains consistent at 12 hours before gently tapering down to 11 hours in November and December. This cyclic pattern not only highlights the region's tropical climate but also enhances the charm of Sepang, offering a sense of stability and predictability in its daylight hours.

Average Daylight Hours in Sepang for December

The chart illustrates the variation in daylight duration in Sepang 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 9m12h 13m12h 16m12h 15m12h 11m12h 6m12h 2m11h 58m11h 57m
Data source: Sepang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sepang

In December, the winds in Sepang, Malaysia gently whisper at an average speed of 1.8 m/s (4 mph), showcasing a subtle decrease from the slightly breezier October days where winds reached 2.2 m/s (5 mph). Throughout the year, wind speeds remain relatively modest, fluctuating between 1.6 m/s and 2.2 m/s, creating a consistent, serene atmosphere. The months leading into the end of the year reveal a trend of stability, as the winds only slightly dip after the peak of October. This gentle and steady breeze in December invites both locals and visitors to relish in the mild climate and picturesque landscapes, making it an ideal time to enjoy the outdoors.

Average December Wind Speed in Sepang

The chart displays monthly wind speed patterns in Sepang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.72.21.61.81.61.92.01.91.92.21.91.8 m/s
Data source: Sepang December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sepang Compares to Other Months

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

December and January present notable differences in weather conditions, despite having similar average temperatures. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), accompanied by significant rainfall of 234 mm (9.2 in) over 27 days, and high humidity levels at 90%. In contrast, January sees slightly cooler minimum temperatures of 22°C (73°F) and a higher maximum of 34°C (93°F), with reduced rainfall of 138 mm (5.4 in) over just 17 days, leading to a lower humidity level of 84%. For more detailed information, you can check Sepang weather in January.

December and February present distinct weather patterns, showcasing a transition from the height of the rainy season to slightly drier conditions. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), accompanied by substantial precipitation of 234 mm (9.2 in) over 27 days and high humidity at 90%. In contrast, February offers slightly warmer average temperatures, with a minimum of 23°C (74°F) and a maximum of 34°C (94°F), but significantly less rain at 85 mm (3.4 in) across 15 days, and a lower humidity level of 77%. This shift marks February as a more pleasant month for outdoor activities, making it an ideal time to explore the climate in this region. For more details on February weather specifically, check out Sepang weather in February.

In December, the weather tends to be warm and humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (91°F). The month sees significant rainfall, accumulating 234 mm (9.2 in) over 27 days, resulting in a high humidity level of 90%. In contrast, March offers slightly warmer temperatures, with an average of 28°C (82°F) and a maximum of 35°C (95°F). Although the precipitation decreases to 191 mm (7.5 in) over 24 days, the humidity also drops to 77%, making it feel less muggy than in December. For a more detailed look at March weather, you can check out Sepang weather in March.

December and April share similar temperatures and precipitation levels, but there are notable differences in humidity and overall weather characteristics. In December, the average temperature ranges from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), accompanied by high humidity at 90% and significant rainfall spread over 27 days. In contrast, April features slightly warmer temperatures with a minimum of 24°C (76°F) and a maximum of 34°C (94°F). While precipitation remains the same at 234 mm (9.2 in) over 27 days, the humidity decreases to a more comfortable 80%, making April feel a bit less oppressive. For more detailed information, you can visit Sepang weather in April.

December and May exhibit similar temperature ranges, with December experiencing a slightly lower average temperature of 27°C (81°F) compared to May's 28°C (83°F). Both months have maximum temperatures peaking at 33°C (91°F) and 33°C (92°F) respectively, indicating a consistently warm climate year-round. In terms of precipitation, December sees a total of 234 mm (9.2 in) over 27 days, while May has a comparable 235 mm (9.2 in) across 28 days, making both months quite wet. However, May's humidity is slightly lower at 85% compared to December's 90%, offering a marginally less muggy experience. For more detailed insights, check out Sepang weather in May.

In December, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 33°C (91°F). However, this month also sees significant rainfall, with 234 mm (9.2 in) spread over 27 days, resulting in high humidity levels at 90%. In contrast, June experiences slightly higher average temperatures at 28°C (82°F), but similar minimum and maximum extremes. The precipitation is less intense at 156 mm (6.1 in) and occurs over 24 days, leading to a slightly lower humidity of 87%. For more detailed information on weather patterns, you can refer to Sepang weather in June.

In December, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (91°F). The month also experiences significant rainfall, accumulating about 234 mm (9.2 in) over 27 days, paired with high humidity levels around 90%. In contrast, July features a marginally higher average temperature of 28°C (82°F) while maintaining the same minimum and maximum extremes. Precipitation is less in July, totaling 166 mm (6.5 in) across 23 days, and the humidity is slightly lower at 87%. For more detailed insights, check out Sepang weather in July.

In comparing the weather of December and August, both months showcase warm temperatures, with December having a slightly lower average temperature at 27°C (81°F) compared to August's 28°C (82°F). Notably, both months share the same minimum temperature of 24°C (75°F) and a maximum temperature of 33°C (91°F). However, December experiences significantly more rainfall, with 234 mm (9.2 in) over 27 days, whereas August has 162 mm (6.4 in) of rain over 25 days. Humidity remains consistently high at 90% in both months, contributing to the tropical climate typical of the region. For more specifics on August weather patterns, you can check Sepang weather in August.

In December, the weather features a similar temperature range to September, with minimums around 24°C (75°F) and averages of 27°C (81°F). However, December experiences slightly cooler maximum temperatures, reaching 33°C (91°F), compared to September's hotter highs of 34°C (93°F). Both months see high precipitation levels, with December receiving 234 mm (9.2 in) over 27 days and September just a touch more at 237 mm (9.3 in) across 25 days. Humidity remains consistent at a high 90% in both months. For a closer look at September's weather details, check Sepang weather in September.

In December, the weather remains warm with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), similar to October's temperatures which also show a minimum of 24°C (75°F) and a max of 33°C (92°F). Both months experience significant precipitation, with December receiving 234 mm (9.2 in) over 27 days, just slightly more than October's 233 mm (9.2 in) spread across 24 days. Humidity levels are slightly higher in December at 90%, compared to October's 89%. Overall, both months exhibit consistent weather patterns, characterized by warm temperatures and considerable rainfall. For more details, check Sepang weather in October.

In comparing the weather of December and November, we find that both months share similar temperature ranges, with minimums of 24°C (75°F), average temperatures of 27°C (81°F), and maximums of 33°C (91°F). However, December sees a slight reduction in precipitation, totaling 234 mm (9.2 in) over 27 days, compared to November's 312 mm (12.3 in) across 29 days. Humidity levels remain relatively consistent, with December at 90% and November at 89%. For a detailed look at the weather in November, you can check Sepang weather in November.

Compare Sepang's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sepang

As December unfolds in Sepang, the weather showcases a distinct shift characterized by higher humidity levels and frequent rainfall, making it one of the wetter months of the year. With temperatures averaging around 27°C, this month typically feels a bit cooler yet more oppressive due to the high humidity of approximately 90%. Rainfall is common, with precipitation occurring on 27 days, highlighting the prevalence of brief, refreshing showers that contrast with the drier spells seen in earlier months. This unique combination of warmth and moisture creates an inviting atmosphere, perfect for those who appreciate the tropical essence of Malaysia. For more detailed insights on the climate, visit Sepang Climate.