Last updated: August 21, 2025
Experience the tropical climate of Jayapura, Indonesia in January, where temperatures are typically warm with a maximum of 31°C (88°F) and a comfortable average of 27°C (81°F). Nighttime temperatures dip to a pleasant minimum of 25°C (77°F), making it an inviting time for visitors. However, be prepared for significant rainfall, as January sees an average precipitation of 206 mm (8.1 in) spread over 22 days, contributing to the region's lush greenery. Coupled with a high humidity level of 84%, the atmosphere embodies the essence of a vibrant tropical paradise, perfect for adventurous explorers and nature enthusiasts alike.
In Jayapura, Indonesia, January welcomes warm tropical temperatures that set the tone for the rest of the year. With a minimum of 25°C (77°F) and a maximum reaching 31°C (88°F), the average temperature hovers around a comfortable 27°C (81°F). This consistent warmth, typical of Jayapura’s climate, creates a humid yet pleasant atmosphere perfect for exploring the stunning landscapes and vibrant culture. As the months roll on, temperatures show slight fluctuations, with February mirroring January’s warmth, while March maintains the trend with a peak of 31°C. Notably, the following months see a gradual shift, with temperatures stabilizing around the lower 30s and dipping slightly into the mid-20s on cooler nights. Overall, January marks the beginning of a year characterized by warm, tropical weather that invites adventure in this beautiful Indonesian city.
In January, Jayapura experiences a notable precipitation amount of 206 mm (8.1 in), falling on approximately 22 rainy days. This sets the stage for one of the wetter months of the year, as precipitation steadily increases in the following months. February and March bring significantly higher totals, with rainfall peaking in March at 339 mm (13.3 in) over 29 days. As the year progresses, while January has its fair share of showers, it serves as a precursor to the most enduringly wet periods from February through April, where totals exceed 300 mm (11.8 in). This trend illustrates a distinct wet season in Jayapura, marked by prolonged rain and humidity, making January a pivotal part of the region's climatological narrative.
In January, Jayapura, Indonesia, experiences a consistently high humidity level of 84%, setting the tone for the month. This trend continues into February, maintaining the same humidity, before dipping slightly to 83% in March. As the region transitions into April, humidity rises again to 85%, indicating a pattern of stability throughout the early months of the year. The humidity remains relatively high, fluctuating between 84% and 86% from May through September, with August marking the peak at 86%. As the year progresses into October, November, and December, humidity stabilizes again at 85%, mirroring January’s conditions. Overall, the data reveals a pronounced and steady humidity level, characteristic of Jayapura's tropical climate, with only minor fluctuations throughout the year.
In January, Jayapura, Indonesia experiences a strikingly high UV Index of 15, marking it as an extreme exposure category. With a rapid potential for sunburn in just 10 minutes, this month sets the tone for a year filled with significant UV intensity. Following closely, February and March see UV Index levels peak at 17, pushing the limits of sun exposure, while April maintains an intense 16. As the year progresses into the mid-year months, there’s a slight dip to 12 during June and July, yet the risk remains serious with burn times still capped at just 10 minutes. Notably, August witnesses a modest rise back to 14, and the trend stabilizes in the latter months of the year. Staying informed and protected is crucial year-round in this vibrant tropical climate; for more details on this, check out the Jayapura UV Index.
UV Risk Categories
January in Jayapura, Indonesia, welcomes the new year with an average of 224 hours of sunshine, setting a warm tone for the months ahead. As the days lengthen, February sees a slight increase to 232 hours, hinting at the coming summer warmth. March shines the brightest with 250 hours of golden rays, while April maintains a strong showing at 243 hours. Notably, May marks a peak with an impressive 271 hours, ushering in the sunniest stretch of the year. The summer months continue to impress, with June and July offering 254 and 253 hours respectively, ensuring plenty of bright days. August remains a standout with 282 hours, capturing the essence of tropical exuberance. Even as September and October roll in, the sunshine remains abundant at 273 and 277 hours. As the year winds down, November and December hold steady with 239 and 256 hours, wrapping up a year filled with rich, sunny days in Jayapura.
In Jayapura, Indonesia, January marks the beginning of the year with a modest 7% chance of sunny weather, setting the stage for a typically overcast month. As the year unfolds, the likelihood of sunshine gradually increases, peaking in the drier months of August with an impressive 36% chance. This noticeable trend highlights a progression from the gloomy January skies towards sunnier days, particularly from April onwards, where the chances begin to climb significantly. By the time September rolls around, residents and visitors can expect a more reliable dose of daylight, which continues to characterize the region until the return of the rainy season in December, when possibilities dip back down to a mere 4%.
In Jayapura, Indonesia, January offers a delightful experience with a consistent 12 hours of daylight, a pattern that remains steady through February, March, April, and extends through much of the year. As the calendar shifts to May, daylight begins to decrease slightly, bringing 11 hours of daylight that continues through June and July. However, by August, the daylight duration returns to the comfortable 12-hour mark, lasting until November. The year concludes with December also featuring 12 hours of daylight, showcasing a rhythmic cycle that highlights Jayapura's tropical climate and the appeal of its balanced day and night throughout the seasons.
In January, Jayapura experiences a gentle average wind speed of 2.5 m/s (6 mph), setting a calm tone for the month. This slight breeze is characteristic of the transition from the December winds, which peak at 4.2 m/s (9 mph), suggesting a gradual softening into the new year. As January unfolds, the winds begin to pick up slightly in February, reaching a more brisk 3.7 m/s (8 mph), before stabilizing around 2.9 m/s (6 mph) in April and May. Notably, the summer months bring a modest increase, with August and September maintaining a consistent wind speed of 3.0 m/s (7 mph). Overall, January's winds provide a tranquil beginning to the year, foreshadowing the dynamic shifts that characterize the following months in this vibrant Indonesian locale.
Weather in Jayapura varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Jayapura, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February in Jayapura exhibit similar temperature patterns, with both months featuring a minimum temperature of 25°C (77°F), an average of 27°C (81°F), and highs reaching up to 31°C (88°F) in January and 30°C (87°F) in February. However, February experiences significantly higher precipitation levels, with a total of 331 mm (13.0 in) over 26 days, compared to January’s 206 mm (8.1 in) over 22 days. Remarkably, the humidity remains constant at 84% for both months, contributing to the region's tropical climate. For more details, you can visit Jayapura weather in February.
In January, the weather typically features a minimum temperature of 25°C (77°F) and an average of 27°C (81°F), with a maximum reaching 31°C (88°F). The month sees considerable rainfall, totaling 206 mm (8.1 in) over 22 days, alongside high humidity levels averaging 84%.
In contrast, March exhibits very similar temperatures, with a minimum of 24°C (76°F) and the same average and maximum temperatures of 27°C (81°F) and 31°C (88°F) respectively. However, it experiences significantly more rain, accumulating 339 mm (13.3 in) across 29 days, while humidity remains slightly lower at 83%.
For a detailed look at March's weather, you can view Jayapura weather in March.
In comparing the weather between January and April, both months exhibit similar temperature ranges, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). However, April experiences significantly higher precipitation, totaling 315 mm (12.4 in) across 27 days, compared to January's 206 mm (8.1 in) over 22 days. The humidity remains quite consistent, with January at 84% and April slightly higher at 85%. For more detailed information on April conditions, you can visit Jayapura weather in April.
In both January and May, the weather in Jayapura maintains a consistent temperature range, with minimums around 25°C (77°F), averages at 27°C (81°F), and maximums peaking at 31°C (88°F). However, May experiences slightly higher precipitation, totaling 233 mm (9.2 inches) compared to January's 206 mm (8.1 inches), and rain falls on more days—29 days in May versus 22 days in January. Despite this increase in rainfall, the humidity remains constant at 84% in both months, creating a similarly tropical atmosphere. For more detailed information about May weather, visit Jayapura weather in May.
In January, the weather in the region features temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). This month experiences significant rainfall, totaling 206 mm (8.1 in) over 22 days, and humidity levels hover around 84%. In contrast, June mirrors January's temperatures, also maintaining a minimum of 24°C (76°F) and a maximum of 31°C (88°F) with the same average of 27°C (81°F). However, June sees increased precipitation, totaling 257 mm (10.1 in) over 26 days, while humidity slightly rises to 85%. For further details on June weather, you can refer to Jayapura weather in June.
In January, the weather in the region boasts a warm climate, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). However, it's also a relatively wet month, receiving about 206 mm (8.1 in) of precipitation over 22 days, with humidity levels at 84%.
Conversely, July presents slightly lower temperatures, with a minimum of 24°C (76°F), an average of 27°C (80°F), and a maximum of 30°C (87°F). The month is characterized by increased rainfall, totaling 293 mm (11.6 in) across 25 days, and a similar humidity level of 85%. For more specific details about Jayapura's weather during this month, you can check Jayapura weather in July.
Overall, while both months feature warm temperatures, July experiences higher rainfall and a marginally cooler feel.
In January, the weather features average temperatures around 27°C (81°F), with highs reaching up to 31°C (88°F) and a minimum of 25°C (77°F). The month is characterized by significant rainfall, totaling 206 mm (8.1 in) over 22 days, with humidity levels at a high 84%. In contrast, August maintains a similar average temperature of 27°C (81°F) but has slightly lower maximum temperatures at 30°C (87°F) and a minimum of 24°C (75°F). Rainfall increases to 239 mm (9.4 in) across 28 days, with humidity rising slightly to 86%. For more detailed information, you can check Jayapura weather in August.
In January, the weather features a minimum temperature of 25°C (77°F) and averages around 27°C (81°F), peaking at a maximum of 31°C (88°F). The month experiences substantial rainfall, with 206 mm (8.1 in) spread over 22 days and an 84% humidity level. In contrast, September sees slightly warmer nights with a minimum temperature of 24°C (76°F) and similar average and maximum temperatures, but less overall rainfall at 200 mm (7.9 in) across 25 days, and a humidity level of 86%. Despite the similar average temperatures, September's slightly increased humidity and rainfall frequency hint at a lingering wet season. For more detailed information, you can check Jayapura weather in September.
In January, the weather features a slightly higher average temperature with minimums around 25°C (77°F) and maximums peaking at 31°C (88°F). However, it experiences less rainfall than October, with 206 mm (8.1 in) over 22 days and an humidity level of 84%. In contrast, October sees a similar temperature range, with a minimum of 24°C (76°F) and the same maximum of 31°C (88°F). However, the month is characterized by increased precipitation, totaling 240 mm (9.5 in) across 28 days and slightly higher humidity at 85%. For more detailed information on the weather conditions, you can check out Jayapura weather in October.
In January, the weather features a warm climate with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). However, the month sees considerable rainfall, accumulating to 206 mm (8.1 in) over 22 days, accompanied by a humidity level of 84%.
In contrast, November experiences similar temperature ranges, yet it is notably wetter, with precipitation reaching 315 mm (12.4 in) over 27 days and a slight increase in humidity at 85%. The increased rainfall in November can create a more challenging environment, making it a distinctly different experience compared to January. For more details, check out Jayapura weather in November.
In comparing January and December weather, both months exhibit similar temperature profiles, with minimums at 25°C (77°F), average temperatures at 27°C (81°F), and maximums reaching 31°C (88°F). However, December experiences significantly higher precipitation, totaling 334 mm (13.1 in) over 30 days, compared to January's 206 mm (8.1 in) over 22 days. Despite this difference in rainfall, both months maintain a consistent humidity level of 84%. For more details on December weather, visit Jayapura weather in December.
January in Jayapura stands out with its warm temperatures and heightened humidity, creating a tropical atmosphere that feels distinctly more intense than in other months. With an average temperature hovering around 27°C (81°F) and maximums reaching 31°C (88°F), this month invites a vibrant yet steamy environment. However, what truly sets January apart is the notable increase in precipitation, with around 206 mm (8.1 in) falling over 22 days, making it one of the wettest months of the year. This combination of high humidity and frequent rain underscores the tropical climate's influence, offering a unique experience for visitors. For a deeper insight into the weather patterns throughout the year, check out Jayapura Climate.