Central Java Climate

Last updated: January 18, 2025

Central Java, Indonesia, exhibits a tropical climate characterized by Köppen-Geiger classifications of Am (Monsoon) and Af (Tropical Rainforest). This region experiences a wide temperature range, with minimum values dipping to 14°C (57°F) in August and maximum peaks soaring to 39°C (102°F) in October. The average temperature remains comfortably warm at 27°C (81°F), contributing to the area's lush biodiversity and vibrant ecosystems. Understanding the climate dynamics of Central Java is essential for effective agricultural practices and sustainable development in this rich, vibrant region.

Central Java temperature by month

The temperature patterns in Central Java, Indonesia, reveal a distinct tropical climate with minimal seasonal variation. Throughout the year, average temperatures consistently hover around 27°C (81°F), providing a warm and stable environment. The coolest months occur from June to August, where minimum temperatures can drop to 14°C (57°F) in July and August, while maximum temperatures remain relatively high, peaking at 36°C (96°F). As the year progresses into October and November, temperatures escalate, with maximums hitting 39°C (102°F), signaling the onset of the drier season. Despite these higher peaks, the temperatures remain collectively warm and conducive to the region's rich biodiversity, supporting both its ecosystems and agricultural practices.

Monthly Temperatures in Central Java, Indonesia

The chart illustrates Central Java's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec808080818181797980818181
Data source: Central Java temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Puri experiences a minimum temperature of 20°C (69°F) in August, while reaching a maximum of 35°C (95°F) in October. For Candi Prambanan, temperatures drop to a minimum of 16°C (60°F) in August and rise to a peak of 35°C (95°F) in September. Semarang shows a minimum of 20°C (68°F) in July, escalating to a maximum of 38°C (100°F) in October. For more details, you can refer to monthly temperatures in Puri, monthly temperatures in Candi Prambanan, and monthly temperatures in Semarang.

Precipitation Patterns in Central Java

Central Java, Indonesia, experiences a pronounced wet season predominantly from January to February, with precipitation peaking at 333 mm (13.1 in) in February and maintaining high levels, averaging 309 mm (12.2 in) in December. During this period, rainfall is frequent, often occurring across 24 to 29 days each month, which contributes to lush vegetation and supports the region's agricultural practices. As the wet season progresses into April, there is a notable decline in rainfall to 230 mm (9.1 in), transitioning into much drier conditions by mid-year.

By June and July, Central Java's climate shifts dramatically, experiencing the lowest precipitation levels of the year, with only 88 mm (3.4 in) and 32 mm (1.2 in), respectively, accompanied by significantly reduced rainfall days, often just 6 to 13 days of rain per month. The months of August and September continue this dry trend, featuring minimal rain and resulting in an arid environment. However, as October approaches, precipitation begins to increase again, signaling the return of the wet season, culminating in 282 mm (11.1 in) in November, which underscores the cyclical nature of the region's climate.

Monthly Average Precipitation in Central Java, Indonesia

The average monthly precipitation in Central Java, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31833330923011388322253112282309
Data source: Central Java precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Sunshine Duration in Central Java

In Central Java, Indonesia, sunshine duration displays a marked seasonal trend, with notable increases during the transition from the wet season to the dry season. Beginning in January with 214 hours of sunshine, the region experiences a gradual increase in sunlight availability, reaching a peak of 306 hours in May. This upward trajectory reflects the shift away from the wet season, where clouds and rainfall limit sunshine exposure, towards a drier climate characterized by clearer skies. The months of June and July continue this trend, offering 296 and 316 hours of sunshine, respectively, establishing a strong foundation for the region's agricultural productivity during these sunnier months.

The peak sunshine period culminates in August, with 317 hours of bright, sunny days, making it the sunniest month of the year. As the dry season continues into September and October, sunshine remains abundant, averaging around 307 to 309 hours. However, as November approaches, sunshine duration begins to decline to 271 hours, hinting at the onset of the wet season once again. December follows suit with 278 hours, signifying a transition back to cloudier days. Overall, these trends indicate a clear relationship between seasonal shifts and sunlight exposure in Central Java, highlighting the importance of these patterns for both ecological balance and agricultural planning.

Monthly Sunshine in Central Java, Indonesia

Monthly sunshine duration represents the total hours of direct sunlight Central Java receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec214h260h297h290h306h296h316h317h307h309h271h278h
Data source: Central Java sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Central Java UV Index Trends

Central Java, Indonesia, experiences consistently high UV Index levels throughout the year, with values often reaching an extreme exposure category. The months from January to April showcase some of the highest UV readings, peaking at 16 in February and March, which indicates a rapid increase in solar intensity. With a burn time of just 10 minutes, residents and visitors alike must exercise caution and protection against the harmful effects of prolonged sun exposure during these months. Even as late spring transitions to early summer, the UV Index remains elevated, signifying Central Java's position near the equator, where sunlight is particularly intense.

As the year progresses into mid and late summer, the UV Index gradually declines but remains high, ranging between 11 and 13 from June to August, still classified under the extreme category. September sees a rebound to a UV Index of 15, again warning of the potential for rapid sunburn within a mere 10 minutes. The trend stabilizes towards the end of the year with consistent values around 15, emphasizing the importance of sun safety year-round. Given these persistent UV levels, effective sun protection strategies are essential for maintaining health and well-being in Central Java’s sunny climate.

Monthly Maximum UV Index for Central Java, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Central Java. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151616151311111315161515
Data source: Central Java UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Daylight Hours in Central Java

In Central Java, Indonesia, daylight duration exhibits a remarkable consistency throughout the year, primarily influenced by its equatorial location. From January to March, residents enjoy approximately 12 hours of daylight each day, providing ample light for both daily activities and agricultural practices. This steady daylight duration is indicative of the region's tropical climate, which supports a vibrant ecosystem thriving under abundant sunlight.

As the year progresses into April through August, daylight hours decrease slightly to around 11 hours, which may impact daily routines but still allows for adequate time for various activities. This reduction in daylight lasts for approximately four months before the duration begins to extend again in September, returning to 12 hours until December. This cyclical pattern highlights the relatively stable photoperiods experienced in Central Java, reinforcing the need for minimal seasonal adjustments in lifestyle and agriculture throughout the year.

Average Monthly Daylight Hours in Central Java, Indonesia

This chart shows the total daylight hours Central Java receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec747h738h727h715h706h702h704h711h722h734h744h749h
Data source: Central Java daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Central Java's Popular Destinations

Balekambang, Indonesia experiences a tropical climate characterized by high temperatures and significant rainfall throughout the year. Average temperatures range from 24°C to 26°C (75°F to 79°F), with maximums peaking at 33°C (91°F) in the warmer months. The wettest months are typically November and December, receiving over 400 mm (15.7 in) of precipitation, while the driest months, July and August, see less than 60 mm (2.4 in). Sunshine is abundant, especially from May to August, with a high of 315 hours in August. For more detailed information, visit Balekambang climate.

Baturaden, Indonesia enjoys a tropical climate with temperatures averaging around 25°C (77°F) throughout the year, peaking at 32°C (89°F) during the warmest months of January, May, and December. The region experiences significant rainfall, particularly in February and January, with precipitation reaching up to 507 mm (20.0 in) and 456 mm (17.9 in), respectively. The dry season from July to August sees a sharp decrease in rainfall, with only 35 mm (1.4 in) in August and averaging about 315 sunshine hours, making it the sunniest month. For more details, visit Baturaden climate.

The climate in Candi Prambanan, Indonesia, is characterized by warm temperatures and significant rainfall, especially from January to February. The average temperatures hover around 26°C (78°F) year-round, with maximum highs reaching up to 35°C (95°F) in September and October. Rainfall is heaviest in February, accumulating 490 mm (19.3 in), while the driest months are July and August with only 11 mm (0.4 in) each. Sunshine is abundant, peaking at 316 hours in July and August, providing a vibrant backdrop for visitors. For more detailed climate information, visit Candi Prambanan climate.

Cangkringan, Indonesia experiences a tropical climate characterized by consistent warm temperatures throughout the year, with averages ranging from 27°C (81°F) in the cooler months to 29°C (84°F) in October. The region sees significant rainfall, peaking in January and February with over 300 mm, while the dry months of July and August receive less than 20 mm of precipitation. Sunshine is abundant, particularly in the mid-year months, with July and August boasting around 317 hours. This variation in weather provides a unique landscape and ecosystem, making it a remarkable destination for visitors. For more details, visit Cangkringan climate.

The climate in Jomblang, Indonesia, is characterized by consistently warm temperatures year-round, with monthly averages ranging from 27°C (81°F) to 29°C (84°F). The region experiences significant rainfall, particularly from January to February and during the November-December period, with January receiving the highest precipitation at 315 mm (12.4 in). Sunshine is abundant, especially in the dry months of July and August, which boast over 300 hours of sunshine. Overall, Jomblang offers a tropical climate that is ideal for those who enjoy warm weather and lush landscapes. For more details, visit: Jomblang climate.

Losari, Indonesia experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from 24°C (76°F) in the cooler months of July and August to 27°C (80°F) in the hotter months of April and May. The region sees its highest precipitation in January and November, with over 390 mm (15.4 in) of rain, while July and August are noticeably drier, receiving only about 45 mm (1.8 in). Sunshine hours are abundant, peaking in July with 315 hours, contributing to a vibrant environment. For detailed information, visit Losari climate.

Magelang, Indonesia, experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from a minimum of 14°C (58°F) in July and August to a maximum of 31°C (88°F) consistently in the warmer months. The highest precipitation occurs in February, with 453 mm (17.8 in), while the driest months, July and August, see just 44 mm (1.7 in) and 45 mm (1.8 in), respectively. Ample sunshine is recorded, peaking at 316 hours in both July and August. For more detailed information, visit Magelang climate.

Menganti, Indonesia experiences a tropical climate characterized by warm temperatures year-round. Average monthly temperatures hover between 24°C (76°F) and 27°C (80°F), with maximums occasionally reaching up to 33°C (91°F). The area sees significant rainfall, especially from January to April and in November, with the wettest months being January (391 mm) and November (404 mm). Sunshine is plentiful, peaking in the dry season from June to August, where residents enjoy up to 318 hours of sun. For more detailed information, visit Menganti climate.

Pecinan, Indonesia experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from a minimum of 22°C (73°F) in August to a maximum of 31°C (88°F) in October, with consistent averages around 27°C (81°F). Rainfall peaks during the early months, particularly in February with 338 mm (13.3 in), while the driest months are July and August, receiving only 20 mm (0.8 in) and 33 mm (1.2 in) respectively. Sunshine is abundant, especially from June to August, where residents enjoy up to 318 hours of sunshine. For more detailed information, visit Pecinan climate.

The climate in Pinggan, Indonesia is characterized by warm temperatures year-round, with average monthly highs ranging from 27°C (81°F) to 33°C (91°F) and lows between 22°C (73°F) and 24°C (76°F). The region experiences a significant amount of precipitation, particularly in January and February, with an annual total that peaks at 284 mm (11.2 in) in February. Sunshine hours are abundant, especially from June to August, averaging over 300 hours per month. The dry season occurs during mid-year, with July and August seeing the least rainfall, making it an ideal time for visitors. For further details, visit Pinggan climate.

Puri, Indonesia experiences a tropical climate characterized by warm temperatures year-round. The average temperature ranges from 26°C (79°F) in July to 28°C (82°F) in October, with maximums reaching up to 35°C (95°F). Rainfall is abundant, particularly in January and February, with precipitation peaking at 358 mm (14.1 in) in February, while July and August are drier months. The region enjoys ample sunshine, especially in July and August with around 317 hours per month. For more detailed information, visit Puri climate.

Salem Kidul, Indonesia experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from a minimum of 16°C (62°F) in August to a maximum of 33°C (91°F) in several months. The wettest months are typically from November to March, with precipitation peaking at around 403 mm (15.8 in) in March. Sunshine is abundant, especially from May to August, when hours of sunlight exceed 290 hours per month. For more detailed information, visit Salem Kidul climate.

Semarang, Indonesia, experiences a tropical climate with temperatures ranging from a minimum of 20°C (68°F) in July and August to a maximum of 38°C (100°F) in October. The wettest months are January and February, with precipitation reaching up to 395 mm (15.6 in), while July and August remain relatively dry with only 23 mm (0.9 in) and 13 mm (0.5 in) respectively. Sunshine varies throughout the year, peaking in July and August with 317 hours. For more detailed information, visit Semarang climate.

Tengger, Indonesia experiences a tropical climate characterized by warm temperatures year-round, with monthly averages ranging from 27°C (81°F) to 28°C (83°F). The region receives substantial rainfall, particularly in the first half of the year, with January and February seeing over 270 mm of precipitation. While the driest months occur from July to August with only 14-24 mm of rain, sunshine is abundant, peaking at 317 hours in August. For more detailed information, visit Tengger climate.

Conclusion

In conclusion, Central Java, Indonesia, showcases a distinctive climate characterized by consistent temperatures, ample sunshine, and stable daylight duration throughout the year. The region's temperature patterns reveal a warm tropical climate with minimal seasonal variation, while the pronounced precipitation cycle underscores the differences between the wet and dry seasons. With high UV Index levels signaling the need for sun protection year-round and an abundance of sunlight fostering rich biodiversity and agricultural systems, Central Java's climatic conditions are integral to both its ecological health and socio-economic activities. Understanding these climate dynamics is essential for effective planning and sustainable development in this vibrant region.

Discover the Climate of Central Java's Places

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