Last updated: August 21, 2025
In January, Jepon, Indonesia experiences a tropical climate characterized by a maximum temperature reaching 32°C (90°F) and an average of 27°C (81°F). With minimum temperatures around 25°C (77°F), the weather remains warm and inviting. However, this month also brings considerable precipitation, totaling 275 mm (10.8 in) over approximately 25 days, contributing to a high humidity level of 81%. Visitors and residents alike should prepare for frequent rain while enjoying the lush, vibrant landscapes that this tropical weather fosters.
In January, Jepon, Indonesia, experiences a warm and inviting tropical climate, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), and an average of 27°C (81°F). This month marks the start of the year with consistently pleasant conditions that pave the way for an enjoyable outdoor experience. As the months progress into February and beyond, the temperature remains quite stable, hovering around averages of 27°C to 28°C (81°F to 84°F), with peaks occasionally reaching 34°C (93°F) in the late year. Overall, Jepon's January weather sets the tone for a generally warm and humid climate throughout the year, ideal for both exploration and relaxation under the tropical sun.
In January, Jepon, Indonesia experiences a significant deluge with 275 mm (10.8 in) of precipitation, marking one of the wettest months of the year. Rainfall graces the area for 25 days, indicating a persistent presence of moisture that sets the tone for the wet season. This trend continues into February, where precipitation slightly increases to 279 mm (11.0 in), accompanied by even more rainy days at 27. By March, the intensity remains high with 271 mm (10.7 in) of rainfall, while the number of wet days peaks at 30, suggesting an unyielding atmospheric pattern. As the season transitions into April, a noticeable decline in both precipitation and rainy days begins, with amounts dropping to 164 mm (6.4 in) over 21 days. This gradual tapering continues into the following months, ultimately leading to the much drier periods of July and August. Overall, January exemplifies the robust rainfall that characterizes the early part of the year in Jepon, transitioning into lighter conditions as the months progress.
In January, Jepon, Indonesia, experiences a humidity level of 81%, setting the tone for a typically damp tropical climate. This level marks the beginning of a trend where humidity fluctuates but generally remains high. Notably, February sees a slight increase to 85%, the peak for the year, followed by a gradual decline in March to 83%. As the months progress toward the dry season, humidity dips steadily, reaching its lowest in August and September at 74% and 72%, respectively. Interestingly, the humidity begins to rise again towards the end of the year, with November and December returning to the mid-70s. Overall, January's high humidity is indicative of the region's wet season, which gives way to a drier spell before a gentle uptick as the year closes.
In January, Jepon, Indonesia, experiences a highly extreme UV Index of 14, indicating that sun exposure can lead to skin damage in just 10 minutes. This trend of dangerously elevated UV levels continues into February and March, both peaking at 15. Remarkably, the extreme exposure category remains consistent throughout the early months, with April seeing a slight dip to 14 but still necessitating caution. As the year progresses into the dryer months, the UV Index gradually decreases, reaching 11 in June before slightly rising again in July and August. Despite this fluctuation, the extreme exposure category remains a constant theme, culminating in a return to 15 in September through November, before stabilizing once again at 14 in December. Overall, vigilance is essential year-round in Jepon to mitigate the risks associated with such high UV levels. For more details on UV exposure and safety measures, visit Jepon UV Index.
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In January, Jepon, Indonesia, welcomes the year with 228 hours of bright sunshine, setting a refreshing tone for the months ahead. As the days progress into February and beyond, sunshine steadily increases, peaking in August with an impressive 322 hours. The trend showcases a delightful buildup of sunlight through the summer months, ensuring ample warmth and vibrancy across the region. As the year transitions into autumn, sunshine hours gracefully decline, with November and December both featuring 290 hours. This fluctuation not only highlights Jepon’s diverse climate but also offers residents and visitors a beautiful range of light and warmth throughout the year.
In Jepon, Indonesia, January brings a slim 3% chance of sunny weather, marking it as one of the cloudiest months of the year. As the seasons progress, the likelihood of sunshine significantly increases, with February only slightly better at 8%. By March, the sun begins to peek through more frequently at 18%, but it isn’t until April that residents can expect a more notable change, with chances soaring to 46%. The trend continues upward through the following months, peaking in August at 53%, before tapering off again in the latter part of the year. Thus, while January may be a time of rain and overcast skies, the coming months promise a brightening outlook for those seeking sun-soaked days in this vibrant region.
In Jepon, Indonesia, the daylight duration remains relatively stable throughout the year, with 12 hours of daylight from January to March and again in September to November. This consistency reflects the region's equatorial location, providing nearly equal day and night during these months. As the year progresses into April through August, daylight dips slightly to 11 hours, marking the only notable variation in the yearly cycle. This pattern highlights a gentle rhythm of light and dark, offering residents and visitors a balanced experience of sunlit activities and restful nights, characteristic of this tropical paradise.
In January, Jepon, Indonesia experiences a gentle average wind speed of 3.9 m/s (9 mph), setting a tranquil tone for the month. As the year progresses, February sees a noticeable increase in wind activity with speeds rising to 5.7 m/s (13 mph), offering a brief boost before transitioning to March's calmer 2.6 m/s (6 mph). The winds moderate again in subsequent months, with April and May reflecting a consistent range between 3.0 m/s (7 mph) and 3.7 m/s (8 mph). The trend continues into summer, peaking at 4.2 m/s (9 mph) in August, before tapering down to more serene conditions by November with just 1.9 m/s (4 mph). This rhythmic ebb and flow of the winds not only defines the climatic character of Jepon but also shapes the lifestyle and activities of its residents throughout the year.
Weather in Jepon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Jepon, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February experience similar warm temperatures but differ slightly in precipitation and humidity levels. In January, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). The month sees significant rainfall, totaling 275 mm (10.8 in) over 25 days, accompanied by a humidity level of 81%. In contrast, February records a minimum of 24°C (76°F) and a maximum of 31°C (88°F), maintaining the same average of 27°C (81°F). However, precipitation increases slightly to 279 mm (11.0 in) over 27 days, with humidity rising to 85%. For more detailed information, check out Jepon weather in February.
In January, the weather features consistently warm temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 32°C (90°F). The month is quite rainy, experiencing 275 mm (10.8 in) of precipitation over 25 days, alongside an average humidity of 81%.
In contrast, March maintains similar minimum and average temperatures, but with a slightly lower maximum of 31°C (88°F). The precipitation level is marginally less at 271 mm (10.7 in), spread over 30 days, which contributes to a higher humidity at 83%.
Overall, while both months are characterized by warm temperatures and high humidity, January tends to be slightly wetter, and March experiences a few more days of rain. For a detailed look at the climate during this month, you can check Jepon weather in March.
In comparing the weather between January and April, both months exhibit warm temperatures, with January showing a minimum of 25°C (77°F) and an average of 27°C (81°F), compared to April's slightly warmer average of 28°C (83°F), though both months peak at a maximum of 32°C (89°F for April and 90°F for January). January experiences significantly higher precipitation levels at 275 mm (10.8 in) across 25 days, in contrast to April's 164 mm (6.4 in) spread over 21 days, making January a much wetter month. Humidity levels are fairly similar, with January at 81% and April at 80%. For more detailed information on April's weather, you can visit Jepon weather in April.
In January, temperatures typically range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average temperature of 27°C (81°F). This month is characterized by significant rainfall, totaling 275 mm (10.8 in) over 25 days, all accompanied by high humidity levels of 81%. In contrast, May exhibits slightly warmer average temperatures, peaking at around 28°C (84°F) while maintaining a similar minimum and maximum range as January. Notably, May's precipitation decreases significantly to 77 mm (3.0 in), spread over just 10 days, while humidity remains constant at 81%. For more insights on weather in May, you can visit Jepon weather in May.
In January, the weather is characterized by consistently warm temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F). The month is quite rainy, seeing around 275 mm (10.8 in) of precipitation over 25 days and high humidity levels at 81%. In contrast, June experiences slightly warmer average temperatures, peaking at an average of 28°C (82°F) with a maximum of 31°C (88°F). However, it is significantly drier, with only 53 mm (2.1 in) of rain spread over just 9 days, and the humidity remains relatively similar at 80%. For more insights on the weather in June, check out Jepon weather in June.
In January, the weather is typically hot and humid, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). This month experiences significant rainfall, with 275 mm (10.8 in) of precipitation over 25 days, resulting in a humidity level of 81%. In contrast, July sees slightly cooler temperatures, with averages of 25°C (77°F) for the minimum and 31°C (87°F) for the maximum, and an average of 28°C (82°F). July is much drier, receiving only 14 mm (0.5 in) of rain on just 2 days, leading to a lower humidity of 78%. For a more in-depth look at the weather conditions in July, you can visit Jepon weather in July.
In January, the weather is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average high of 32°C (90°F). This month sees significant rainfall, accumulating to 275 mm (10.8 in) over approximately 25 days, resulting in a high humidity level of 81%. In contrast, August brings slightly cooler temperatures, featuring a minimum of 24°C (76°F) and an average of 28°C (82°F), along with much lower precipitation—only 5 mm (0.2 in) over a single day. Consequently, the humidity drops to 74%. For more details on August weather, you can visit Jepon weather in August.
January and September present contrasting weather patterns despite their similar temperature ranges. In January, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), accompanied by high humidity levels at 81% and significant rainfall, with 275 mm (10.8 in) spread over 25 days. In contrast, September experiences slightly milder temperatures, with a minimum of 24°C (76°F) and a maximum of 32°C (91°F), but it boasts considerably less precipitation, only 10 mm (0.4 in) over just 2 days, and lower humidity at 72%. For more details on September weather, check out Jepon weather in September.
In January, the weather is marked by warmer temperatures, with a minimum of 25°C (77°F) and an average high of 32°C (90°F). It's also quite humid, with an 81% humidity level and frequent rainfall totaling 275 mm (10.8 in) over 25 days. In contrast, October sees slightly higher average temperatures, peaking at 33°C (91°F) with a lower humidity of 72%. Precipitation drops significantly to just 35 mm (1.4 in) over only 7 days, making October a much drier and more pleasant month. For more insights into the climate, you can check Jepon weather in October.
In comparing the weather between January and November, both months maintain a warm climate with minimum temperatures consistently around 25°C (77°F). However, January experiences slightly cooler average temperatures at 27°C (81°F), while November is warmer, averaging 28°C (83°F). Notably, November also records higher maximum temperatures, reaching up to 34°C (93°F) versus January's peak of 32°C (90°F).
Precipitation levels are higher in January, totaling 275 mm (10.8 in) over 25 days, compared to November's 193 mm (7.6 in) over 19 days. Additionally, humidity is notably lower in November at 73%, compared to January's 81%. For more details on November weather, check out Jepon weather in November.
In comparing the weather between January and December, both months exhibit warm temperatures, but January tends to have a slightly lower average temperature of 27°C (81°F) compared to December's 28°C (82°F). December experiences higher maximum temperatures, reaching up to 34°C (93°F), whereas January peaks at 32°C (90°F). Precipitation is more frequent in January, with rain occurring on 25 days and totaling 275 mm (10.8 in), while December sees rain on 29 days with a total of 295 mm (11.6 in). Additionally, January has a higher humidity level at 81%, compared to December's 75%. For a more detailed look at the weather in December, you can visit Jepon weather in December.
In January, Jepon experiences a notably warm and humid climate, with high temperatures that create a tropical feel, setting it apart from other months. The month is characterized by frequent rainfall, contributing to a lush environment, but also resulting in a significant number of precipitation days. The persistent humidity enhances the tropical experience, making January a month of vibrant greenery and rich ecosystems. For those looking to understand the full scope of Jepon's weather throughout the year, check out Jepon Climate.