Last updated: August 21, 2025
December in Semarang, Indonesia, is characterized by warm temperatures and high humidity. With a maximum of 35°C (95°F) and an average of 27°C (81°F), residents and visitors can expect pleasant yet warm days. However, nighttime brings a cooling down to a minimum of 23°C (74°F). This month also marks the peak of the wet season, with precipitation reaching 375 mm (14.8 in) over 29 rainy days, creating a lush and vibrant atmosphere. Humidity levels hover around 75%, contributing to a tropical feel, ideal for experiencing the rich culture and stunning landscapes of Semarang.
In December, Semarang, Indonesia experiences a warm and inviting climate that continues the trend of tropical bliss seen throughout the year. With minimum temperatures around 23°C (74°F) and maximums peaking at 35°C (95°F), the month brings an average of 27°C (81°F), making it a comfortable time for both locals and visitors. Unlike the scorching heat of earlier months, December’s temperatures are slightly moderated, hinting at the approach of the rainy season. This delightful warmth, combined with the vibrant atmosphere of the city, makes December a wonderful time to explore Semarang’s rich culture and stunning landscapes. As the year winds down, the lush surroundings flourish, inviting you to embrace the tropical charm that defines this bustling Indonesian city.
December in Semarang, Indonesia, signifies the peak of the rainy season, highlighted by an impressive 375 mm (14.8 in) of precipitation over 29 days. This marks a notable increase from the drier months preceding it, contrasting sharply with July and August, where rainfall dwindled to mere whispers of 23 mm and 13 mm respectively. As the year wraps up, December's wet days blend seamlessly into a rhythm of consistent rainfall, contributing to the month's total that remains robust yet slightly lower than November's 294 mm. The trend is clear: as the calendar transitions from November to December, Semarang embraces the monsoon's peak, showcasing the region's lush landscapes nourished by nature's ample offerings.
In December, Semarang experiences a notable shift in humidity, with levels averaging around 75%. This marks a decrease from the higher humidity peaks seen earlier in the year, particularly in February when it reached a humid 86%. As the year progresses, a clear trend emerges: humidity levels begin to wane, starting from their high averages in the first half of the year. By the time December rolls around, humidity has dropped from 81% in June to 75%, suggesting a gradual easing of the tropical moisture that characterizes the region. This decline not only enhances comfort for residents and visitors but also signals a transition as Semarang prepares to embrace the drier months ahead.
In December, Semarang, Indonesia, maintains a notably high UV Index of 13, categorizing exposure as extreme with a burn time of just 10 minutes. This month follows a trend seen throughout the year, where Semarang consistently experiences extreme UV levels, particularly from January to March, peaking at 15 in both February and March. As the year progresses into the middle months, the index dips slightly, reflecting a range of 10 to 12 during June, July, and August, before rising again in the later months of the year. Overall, December continues the pattern of heightened UV exposure, making it crucial for residents and visitors alike to take proper sun safety precautions. For more detailed information, visit Semarang UV Index.
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In December, Semarang basks in an impressive 273 hours of sunshine, a delightful continuation of the region's bright weather trend. As the year draws to a close, the city experiences consistent sunshine, averaging over 300 hours from May to October, peaking in July and August with 317 hours each month. Following the sunny heights, daylight hours begin to taper slightly, yet December still brings a warm glow before the year ends. This pattern of ample sunlight not only enhances the scenic beauty of Semarang but also invites residents and tourists alike to soak up its radiant charm.
In Semarang, Indonesia, December is a month where the likelihood of sunny weather remains quite low, with only 6% chance of sunshine. This trend of diminishing sunlight begins in November and is consistent with the overall pattern observed throughout the year. As the months progress from the dry season of April and May, which offer a peak chance of sunshine at 30% and 38% respectively, the weather gradually shifts towards December's overcast skies. The fluctuating probabilities illustrate the region's transition into its wetter months, making December one of the least sunny times to visit this vibrant city. Thus, while December may not boast bright, sunny days, it is an opportunity to experience Semarang's unique charm amid its lush greenery.
In Semarang, Indonesia, the daylight duration exhibits an intriguing seasonal rhythm throughout the year. From January through March, the sun consistently graces the city with 12 hours of daylight, creating a perfect backdrop for both activities and relaxation. As the months transition into April to August, daylight dips slightly to 11 hours, providing a refreshing change that invites cozy indoor moments as well as evening gatherings. However, come September, the daylight duration swings back up, ushering in another round of 12 hours of daylight that lasts till December. This cyclical pattern of sunlight not only highlights the city’s stable climate but also enhances its vibrant lifestyle, making Semarang a delightful destination year-round.
As December arrives in Semarang, Indonesia, the average wind speed whispers gently at 1.6 m/s (4 mph), reflecting a seasonal lull following November's calm. Throughout the year, the wind has shown a tendency to be relatively light, with January starting the year at 2.2 m/s (5 mph), and gradually decreasing to its lowest point in November. While December experiences a minor uptick compared to its predecessor, it remains on the quieter side of the spectrum, aligning with the overall trend of gentle breezes that characterize this coastal city. As the year closes, the December wind perfectly encapsulates the tranquil essence of Semarang’s tropical climate.
Weather in Semarang varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Semarang, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit relatively similar weather patterns, though there are notable differences. In December, temperatures range from a minimum of 23°C (74°F) to a maximum of 35°C (95°F), with an average of 27°C (81°F). The month also sees significant rainfall, with 375 mm (14.8 in) spread over 29 days and a humidity level of 75%. In contrast, January offers slightly cooler temperatures, with lows of 22°C (73°F) and highs peaking at 32°C (90°F), while maintaining the same average of 27°C (80°F). Precipitation is marginally lower at 370 mm (14.6 in) over 24 days, and humidity increases to 82%. For a closer look at January's weather specifics, you can visit Semarang weather in January.
In December, temperatures generally range from a minimum of 23°C (74°F) to a maximum of 35°C (95°F), with an average temperature of 27°C (81°F). The month experiences significant rainfall, totaling 375 mm (14.8 in) over 29 days, contributing to a humidity level of 75%. In contrast, February sees a slightly cooler average temperature of 26°C (80°F), with maximums reaching 34°C (93°F) and minimums remaining consistent at 23°C (73°F). The precipitation for February increases to 395 mm (15.6 in) over 28 days, leading to higher humidity at 86%. This makes February feel even more humid and rainy compared to December. For more detailed weather insights, you can check Semarang weather in February.
December and March share similar average temperatures, with both months exhibiting a minimum of around 23°C (73°F) and an average high of 27°C (81°F). However, while December reaches a maximum temperature of 35°C (95°F), March is slightly cooler at 33°C (92°F). Both months experience significant rainfall, with December totaling 375 mm (14.8 in) over 29 days and March close behind at 365 mm (14.4 in) across 30 days. Interestingly, March is characterized by higher humidity, averaging 84% compared to December’s 75%. For more specific information on the weather during this period, you can check out Semarang weather in March.
In December, the weather tends to be warmer and wetter compared to April, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (95°F). This month experiences significant rainfall, averaging 375 mm (14.8 inches) over 29 days and maintaining a humidity level of 75%. In contrast, April boasts slightly cooler temperatures, with a minimum of 22°C (73°F) and a maximum of 34°C (93°F). Precipitation is also lower in April, totaling 227 mm (9.0 inches) over 26 days, alongside a slightly higher humidity of 80%. For a detailed look at weather patterns specific to April, you can check Semarang weather in April.
In December, the weather is characterized by warm temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (95°F), with an average of 27°C (81°F). This month experiences significant rainfall, totaling 375 mm (14.8 in) over 29 days, and a humidity level of 75%. In contrast, May offers slightly warmer average temperatures, peaking at 34°C (94°F) and maintaining a similar minimum of 23°C (73°F), but with less precipitation at 86 mm (3.4 in) spread over 16 days. The humidity also rises slightly to 81%, making May feel a bit more oppressive despite the lower rainfall. For more details about May weather, visit Semarang weather in May.
In December, the weather is characterized by higher precipitation, with an average of 375 mm (14.8 in) falling over 29 days, resulting in a more humid atmosphere at 75%. The temperature range averages from a minimum of 23°C (74°F) to a maximum of 35°C (95°F). In contrast, June presents a drier climate, with only 78 mm (3.1 in) of rain across 11 days and slightly higher humidity at 81%. The temperature range in June is similar, with a minimum of 21°C (70°F) and an average of 28°C (82°F). For a more detailed look at June weather, you can visit Semarang weather in June.
In December, the weather is characterized by higher humidity levels at 75%, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (95°F) and an average of 27°C (81°F). This month also sees considerable rainfall, with approximately 375 mm (14.8 in) spread across 29 days, making it quite wet. In contrast, July has a slightly lower average temperature of 28°C (82°F) and a minimum of 20°C (68°F), but experiences significantly less precipitation at just 23 mm (0.9 in) over 3 days. The humidity is slightly higher at 78%, but the overall experience of July is much drier. For more specifics about the weather in July, you can visit Semarang weather in July.
In December, the weather is typically hotter and much wetter than in August. While both months can reach maximum temperatures of around 35°C (95°F), December boasts a higher average temperature of 27°C (81°F) compared to August's 28°C (83°F). However, December experiences significantly more rainfall, with 375 mm (14.8 in) falling over 29 days, making it a much wetter month than August, which only sees 13 mm (0.5 in) of rain over just 2 days. The humidity levels are quite similar, with December at 75% and August at 74%. For more detailed information on August weather, you can visit Semarang weather in August.
December and September present contrasting weather patterns. In December, temperatures average around 27°C (81°F) with a notable range, reaching a maximum of 35°C (95°F) and a minimum of 23°C (74°F). This month also sees considerable rainfall, with precipitation totaling 375 mm (14.8 in) over 29 days and a humidity level of 75%, creating a more humid environment. In contrast, September experiences slightly warmer average temperatures at 28°C (83°F), peaking at 36°C (97°F) but with significantly less rainfall of just 40 mm (1.6 in) over only 6 days, along with a lower humidity level of 70%. This makes September a drier month compared to the wetter and more humid December. For more detailed information, you can check Semarang weather in September.
In comparing the weather of December and October, we can observe some notable differences. December generally experiences milder temperatures, with average highs reaching 35°C (95°F) compared to October's maximum of 38°C (100°F). However, October tends to have a higher average temperature of 29°C (84°F), compared to December's 27°C (81°F). Precipitation is significantly higher in December, with 375 mm (14.8 in) over 29 days, while October sees considerably less rain at 120 mm (4.7 in) over just 14 days. Humidity levels remain fairly consistent, with December averaging 75% and October 72%. For more detailed information, you can visit Semarang weather in October.
In comparison to November, December experiences slightly cooler temperatures, with an average of 27°C (81°F) compared to November's 28°C (82°F). However, December has a higher maximum temperature of 35°C (95°F) compared to November's 37°C (99°F). Precipitation in December also increases significantly, totaling 375 mm (14.8 in) over 29 days, while November sees less rainfall at 294 mm (11.6 in) over 25 days. Humidity levels rise in December to 75%, compared to November's 73%. For more detailed weather information for November, you can visit Semarang weather in November.
As December settles in Semarang, the weather undergoes a distinct transformation, marked by increased humidity and frequent rainfall. With an average temperature around a comfortable 27°C, you'll notice that the maximums can soar up to 35°C during the day, while the nights remain pleasantly mild at about 23°C. This month experiences the highest levels of precipitation, with rain falling nearly every day, making it a much wetter period compared to other months. Travelers should be prepared for humidity levels hovering around 75%, creating a tropical atmosphere that's both vibrant and lush. For more insights on what to expect throughout the year, visit Semarang Climate.