December Weather in Singapore, Singapore

Last updated: August 31, 2025

In December, Singapore experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature hovers around 30°C (86°F), while the average is a comfortable 27°C (80°F), with lows of 25°C (77°F). This month also marks a period of considerable rainfall, with an average precipitation amount of 221 mm (8.7 in) across approximately 23 days of the month. Coupled with a humidity level of 87%, December in Singapore offers a vibrant yet wet ambiance, making it essential for visitors to prepare for sudden downpours while indulging in the city's festive charm.

December Temperature in Singapore

In December, Singapore continues to bask in its characteristic tropical climate, with minimum temperatures hovering around 25°C (77°F) and averaging 27°C (80°F). The maximum temperatures can reach a warm 30°C (86°F), similar to previous months. This consistency in temperature is a hallmark of Singapore's weather, illustrating a mild variance throughout the year. December offers a slight dip compared to the warmer mid-year months, yet it remains warm enough for outdoor activities and exploration. With relatively stable conditions, visitors can expect a pleasant escape, perfect for enjoying the city’s vibrant festivities and lush landscape.

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

The chart illustrates December temperature patterns in Singapore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Singapore, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808081828282828281818180
Data source: Temperature data for Singapore 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 Singapore

In December, Singapore experiences a notable precipitation level of 221 mm (8.7 in), typically spread over 23 days of rain. This marks a decrease from the record-breaking rainfall in November, which saw 356 mm (14.0 in), and indicates the tail end of the monsoon season. December's rainfall is characterized by frequent, yet generally lighter showers, distinguishing it from the heavier downpours of the preceding months. As the year closes, the consistent rainfall contributes to Singapore's lush greenery, while also setting a backdrop for the festive season, revealing a dynamic interplay of weather and culture amidst the city's vibrant urban landscape.

December Precipitation Trends in Singapore

The chart displays monthly precipitation patterns in Singapore, 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 Singapore, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17268141230264262198181189216356221
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Singapore

December marks a notable uptick in humidity levels in Singapore, with the average soaring to 87%. This increase comes after a consistent series of moderate humidity levels, ranging from 83% to 86% in the preceding months from January to November. The year begins with high humidity at 88% in January, gradually slipping down in the middle months before experiencing a modest rise again in December. This pattern highlights Singapore's characteristic tropical climate, where humidity remains largely high throughout the year, with December standing out as a particularly humid month, reminding residents and visitors alike of the island’s warm and sticky embrace as the year wraps up.

December Average Humidity in Singapore

This chart illustrates the average monthly humidity levels in Singapore, 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 Singapore is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%86%84%83%83%83%85%84%84%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Singapore

In December, Singapore continues to experience an extreme UV Index of 13, with a burn time of just 10 minutes, similar to the preceding months of November and January. Throughout the year, the UV Index consistently hovers between 12 and 15, demonstrating a notable trend of intense sun exposure across all months. Notably, January through April and September through October maintain peak levels, making sun protection paramount. As residents and visitors enjoy the tropical climate, it's crucial to stay informed about the UV levels and take precautions. For a detailed view of the UV index trends, check out Singapore UV Index.

Maximum UV Index Levels in Singapore for December

The chart shows the monthly maximum UV Index (UVI) for Singapore 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 Singapore typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131515151312121314141313
Data source: Singapore 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 Singapore

As the year draws to a close, December in Singapore greets residents with a warm embrace of 294 hours of sunshine, continuing the island's trend of abundant light. The month maintains a steady glow, nestled comfortably between the sunny highs of March at 327 hours and the slightly muted November at 265 hours. Interestingly, sunlight hours tend to peak mid-year, with the summer months consistently showcasing strong figures, particularly July and August, boasting over 300 hours. This pattern suggests a vibrant tropical climate that bathes Singapore in sunlight year-round, ensuring that even in late December, the city remains illuminated, inviting both locals and tourists to bask in its perennial charm.

Monthly Sunshine Duration in Singapore: December Highlighted

The December sunshine duration represents the total number of hours Singapore 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.
JanFebMarAprMayJunJulAugSepOctNovDec236h300h327h295h297h291h311h315h293h297h265h294h
Data source: Singapore December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Singapore During December

As December rolls into Singapore, the likelihood of seeing sunny weather diminishes notably, with only a 9% chance of sun gracing the city. This mirrors the trend observed in November, which exhibits a similarly low probability. Notably, the months leading up to December, such as September with a 26% chance of sunshine, stand in stark contrast, indicating a gradual decline in sunny days as the year winds down. The earlier months, particularly between February and April, show a more promising outlook for sunlight, boasting chances over 20%. As residents and visitors alike prepare for December, it's wise to brace for less favorable weather and perhaps embrace the city’s vibrant indoor attractions instead.

Percentage of Sunny Days in December in Singapore

The chart illustrates the percentage of sunny days in Singapore 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 Singapore experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%21%22%23%16%19%20%11%26%14%9%9%
Data source: Singapore December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Singapore in December

In Singapore, December continues the city's hallmark of consistent daylight, with 12 hours of natural light each day—a trait shared throughout the entire year. This steady duration fosters a vibrant atmosphere, where the absence of drastic seasonal changes allows residents and visitors alike to embrace outdoor activities year-round. Whether it's a stroll in the lush parks or gathering with friends at the lively night markets, the reliable daylight during December enhances the dynamic spirit of the city, making it a perfect time to indulge in Singapore's diverse culture and culinary delights. The seamless transition from one month to the next emphasizes the tropical climate's predictability, creating an inviting backdrop for festive celebrations as the year draws to a close.

Average Daylight Hours in Singapore for December

The chart illustrates the variation in daylight duration in Singapore throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 2m12h 3m12h 5m12h 7m12h 9m12h 11m12h 10m12h 8m12h 6m12h 4m12h 2m12h 2m
Data source: Singapore daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Singapore

As December rolls in, Singapore's winds pick up a notable pace, with an average speed of 4.7 m/s (10 mph), marking a refreshing change from the calmer breezes of earlier months. After experiencing the year's slowest winds in April and May, which dipped to around 2.6 m/s (6 mph), the middle of the year saw a gradual increase, peaking in July at 4.3 m/s (10 mph) before settling into a mild November. This late surge in wind speed serves as a reminder of the dynamic climate in Singapore, making December an ideal time for breezy outdoor activities and enjoying the cooling respite that accompanies the festive season. Overall, the vibrant shifts in wind patterns throughout the year culminate in a December that's both cool and invigorating, inviting residents and visitors alike to embrace the outdoor charm of the city.

Average December Wind Speed in Singapore

The chart displays monthly wind speed patterns in Singapore, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.85.63.92.62.93.24.34.03.83.43.14.7 m/s
Data source: Singapore December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Singapore Compares to Other Months

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

In December, the weather features a slightly warmer temperature range, with a minimum of 25°C (77°F) and an average of 27°C (80°F), compared to January's minimum of 24°C (76°F). Both months share the same maximum temperature of 30°C (86°F), but December experiences more significant rainfall, receiving 221 mm (8.7 in) over 23 days, while January sees a decrease with 172 mm (6.8 in) of precipitation over 16 days. Interestingly, humidity levels remain high in both months, with December at 87% and January slightly increasing to 88%. For a detailed look at January's weather patterns, you can visit Singapore weather in January.

In December, the weather tends to be warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F) and an average of 27°C (80°F). However, it is also characterized by high precipitation levels, with 221 mm (8.7 in) of rain falling over 23 days, resulting in a humidity level of 87%. In contrast, February offers a similar temperature range, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 30°C (85°F). The month sees significantly less rainfall, totaling just 68 mm (2.7 in) over 11 days, and the humidity drops slightly to 85%. For a more detailed look at February conditions, check out Singapore weather in February.

In December, the weather in Singapore is characterized by consistent temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 27°C (80°F). However, this month also sees significant rainfall, totaling 221 mm (8.7 in) over approximately 23 days, contributing to a high humidity level of 87%. In contrast, March maintains similar temperature averages, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (87°F). Precipitation in March is noticeably lower at 141 mm (5.6 in) over 19 days, and the humidity is slightly reduced at 86%. For more detailed insights, you can check the Singapore weather in March.

December and April in Singapore showcase relatively similar temperatures, with both months experiencing minimums around 25°C (77°F) and maximums reaching 30°C (86°F). However, December tends to have slightly lower average temperatures at 27°C (80°F) compared to April's average of 28°C (82°F). In terms of precipitation, December receives around 221 mm (8.7 in) over 23 days, while April sees a marginal increase in rainfall to 230 mm (9.0 in) over 26 days. Humidity levels are also comparable, with December at 87% and April at 84%, making both months quite humid overall. For more detailed insights, you can explore Singapore weather in April.

In December, temperatures in the region typically range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 27°C (80°F). This month experiences significant rainfall, totaling 221 mm (8.7 in) over 23 days, resulting in a high humidity level of 87%. In contrast, May sees similar temperature ranges, with a minimum of 25°C (78°F) and an average of 28°C (83°F), but it experiences even more precipitation at 264 mm (10.4 in) over 29 days, while humidity drops slightly to 83%. For more details on the weather patterns in May, you can check Singapore weather in May.

In December, the weather remains warm with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), averaging around 27°C (80°F). The month experiences significant rainfall, with a total precipitation of 221 mm (8.7 in) spread over 23 days, accompanied by high humidity at 87%. In contrast, June also maintains similar warm temperatures, with a minimum of 25°C (77°F), an average of 28°C (82°F), and a maximum that peaks at 30°C (86°F). However, rainfall in June is slightly higher, totaling 262 mm (10.3 in) over 26 days, and the humidity is marginally lower at 83%. For more details on the weather patterns in June, check out Singapore weather in June.

December and July in Singapore present contrasting yet warm climates. In December, temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 27°C (80°F). This month experiences a higher precipitation level of 221 mm (8.7 in) over 23 days, resulting in a humidity of 87%. In contrast, July sees slightly milder temperatures, with a minimum of 25°C (78°F) and a maximum of 29°C (85°F), averaging around 28°C (82°F). Precipitation decreases to 198 mm (7.8 in), also spread over 23 days, and humidity drops slightly to 83%. For more detailed information on July weather, you can visit Singapore weather in July.

In December, Singapore experiences slightly cooler temperatures compared to August, with an average temperature of 27°C (80°F) compared to August's 28°C (82°F). While both months have high humidity levels around 85% to 87%, December sees more rainfall, accumulating about 221 mm (8.7 in) over 23 days, whereas August receives 181 mm (7.1 in) across 24 days. Overall, December is characterized by more moisture and a slightly lower temperature, making it feel more humid, while August offers a marginally warmer but still humid climate. For more specific details, you can visit Singapore weather in August.

In December, the weather in Singapore features a similar temperature range to that of September, with both months seeing a minimum of 25°C (77°F) and an average around 27°C (80°F). However, December tends to be slightly warmer overall, reaching a maximum of 30°C (86°F), compared to September's maximum of 29°C (85°F). Precipitation levels are higher in December, with 221 mm (8.7 in) over 23 days, compared to September's 189 mm (7.4 in) over 22 days. Additionally, humidity is a bit elevated in December at 87%, while September's humidity sits at 84%. For more detailed insights, you can explore Singapore weather in September.

In both December and October, temperatures remain quite similar, with minimums around 25°C (77°F), average temperatures around 27°C (80°F), and maximums reaching 30°C (86-87°F). However, December experiences slightly more precipitation, with a total of 221 mm (8.7 in) over 23 days compared to October's 216 mm (8.5 in) over 25 days. The humidity levels are also marginally higher in December at 87%, compared to October's 84%. For more detailed insights on October’s weather patterns, you can check Singapore weather in October.

In comparing the weather of December and November, both months exhibit relatively warm temperatures, with minimums around 25°C (77°F) and average highs reaching 30°C (86°F) in December and 29°C (85°F) in November. However, December is marked by slightly lower rainfall, with 221 mm (8.7 in) over 23 days, compared to November's heavier precipitation of 356 mm (14.0 in) across 27 days. Humidity levels remain high in both months, with December at 87% and November at 84%. For more detailed information about November's climate, check out Singapore weather in November.

Compare Singapore's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Singapore

As December rolls in, Singapore transforms into a season of heightened humidity and frequent rainfall, distinguishing it from the drier months earlier in the year. With average temperatures maintaining a warm 27°C, the city remains inviting, yet the increased precipitation—with rain on about 23 days—can make for a rather soggy experience. While some might find the lush greenery rejuvenating after the showers, it's essential to embrace the wet conditions that characterize this month. For those planning to explore, staying informed about the local weather is key. For a deeper understanding of what to expect throughout the year, visit Singapore Climate.