West Nusa Tenggara Climate

Last updated: January 18, 2025

West Nusa Tenggara, Indonesia, is characterized by a Köppen-Geiger climate classification of Aw, indicating a tropical savanna climate. The region experiences a temperature spectrum that ranges from a minimum of 15°C (59°F) in July, to an average of 26°C (80°F) year-round, culminating in a maximum of 35°C (95°F) during the peak of December. This climatic profile not only shapes the local ecosystems but also influences agricultural practices and the daily lives of its inhabitants, reflecting the unique interplay between temperature and regional weather patterns.

West Nusa Tenggara temperature by month

In West Nusa Tenggara, Indonesia, temperature patterns exhibit a warm tropical climate with distinct seasonal trends. From January to March, temperatures are relatively stable, with minimums ranging from 19°C to 20°C and average highs around 33°C. As the dry season approaches in April and May, the minimum temperatures decline slightly while averages remain steady at 27°C. June and July mark the coolest months, with minimums dropping to 15°C and average temperatures near 25°C, reflecting a seasonal dip. However, by August, temperatures begin to stabilize. The year culminates in November and December, where temperatures peak again with maximums reaching 35°C, emphasizing the region's cyclical nature of warm and cooler months. This pattern underscores the strong influence of seasonal rhythms on the local climate and ecology.

Monthly Temperatures in West Nusa Tenggara, Indonesia

The chart illustrates West Nusa Tenggara'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.
JanFebMarAprMayJunJulAugSepOctNovDec797979808079777779808180
Data source: West Nusa Tenggara temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

In August, Kuta experiences a minimum temperature of 20°C (68°F) and reaches a maximum of 34°C (94°F) in December, making it a warm destination year-round; for more details, visit monthly temperatures in Kuta. Gili Air, on the other hand, has a slightly higher minimum of 24°C (75°F) in August and a milder maximum of 30°C (86°F) in December, as noted in monthly temperatures in Gili Air. Meanwhile, Senggigi records a minimum temperature of 22°C (71°F) in August and peaks at 31°C (89°F) in May, which can be explored further at monthly temperatures in Senggigi.

Precipitation Patterns in West Nusa Tenggara

West Nusa Tenggara, Indonesia, experiences a pronounced seasonal rainfall pattern, primarily influenced by the monsoon months. From January to March, the region receives significant precipitation, with totals of 311 mm, 323 mm, and 319 mm, respectively. These months feature a high frequency of rainy days, peaking at 29 days in March. The transition into April marks a steep decline in rainfall to 142 mm, accompanied by fewer rainy days, which sets the stage for the dry season. By May and June, precipitation drops dramatically to 56 mm and 37 mm, respectively, with rainfall occurring on only a handful of days, signaling a period of relative dryness.

As the dry season progresses into July and August, West Nusa Tenggara experiences its lowest precipitation levels, recording just 16 mm and 17 mm with only 3 to 4 rainy days. This pattern gradually shifts in September and October, when rainfall modestly increases, culminating in 227 mm in November and 306 mm in December. The return of the rain coincides with an uptick in rainy days, notably 20 days in November and 27 days in December, heralding the arrival of the wet season once again. This cyclical variation highlights the region's reliance on distinct wet and dry phases, which significantly shapes its agricultural practices and ecosystem dynamics.

Monthly Average Precipitation in West Nusa Tenggara, Indonesia

The average monthly precipitation in West Nusa Tenggara, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec311323320142563716172348227307
Data source: West Nusa Tenggara precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in West Nusa Tenggara

In West Nusa Tenggara, Indonesia, sunshine duration exhibits a distinct seasonal trend, with clear variations throughout the year. The year begins with 228 hours of sunshine in January, gradually increasing as the months progress. By February, sunshine hours rise to 269, and this upward trend continues, peaking in August with a remarkable 311 hours. This period represents the height of sunshine, offering optimal conditions for outdoor activities and supporting the region’s agricultural practices, particularly in plant cultivation that thrives in ample sunlight.

As the wet season approaches, sunshine hours remain fairly consistent, with October showing an impressive 318 hours before dropping slightly to 292 hours in November and 289 hours in December. Notably, despite the onset of the rainy season, the total sunshine hours during these months indicate that sunlight still plays a crucial role, albeit with increasing cloud cover. The overall trend reflects how the region enjoys substantial sunshine nearly year-round, with the most significant availability during the middle of the year, providing valuable insight into the region's climate and its impact on both ecosystems and human activities.

Monthly Sunshine in West Nusa Tenggara, Indonesia

Monthly sunshine duration represents the total hours of direct sunlight West Nusa Tenggara receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec228h269h294h294h307h295h308h311h306h318h292h289h
Data source: West Nusa Tenggara sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

West Nusa Tenggara UV Index Trends

The UV Index in West Nusa Tenggara, Indonesia, consistently reflects an extreme exposure category throughout the year, indicating a significant risk of harm from unprotected sun exposure. From January to April, the UV Index ranges from 15 to 16, maintaining its peak levels, requiring individuals to limit sun exposure to just 10 minutes to avoid severe sunburn. This intensity is not only a concern for tourists and locals alike but also poses a challenge for outdoor activities, necessitating protective measures such as sunblock and appropriate attire.

As the year progresses into the latter months, the UV Index remains high, with readings between 11 and 16. Notably, September sees a peak UV Index of 16 equivalent to early months, suggesting that this region experiences significant solar exposure even when transitioning into the wet season. Despite slight variations, particularly in May and June where values drop to 13 and 11, the burn time consistently advises caution due to extreme UV radiation. This persistent risk underscores the importance of sun safety practices in West Nusa Tenggara, making it crucial for residents and visitors to remain vigilant year-round.

Monthly Maximum UV Index for West Nusa Tenggara, Indonesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in West Nusa Tenggara. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151616151311121316151515
Data source: West Nusa Tenggara 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 West Nusa Tenggara

In West Nusa Tenggara, Indonesia, daylight duration remains remarkably consistent throughout the year, reflecting the region's proximity to the equator. From January through March, the length of daylight is stable at 12 hours, allowing ample time for various activities, both agricultural and recreational. This consistent sunlight duration supports the growth of crops and enhances the daily rhythm of life in the region, fostering a vibrant environment.

As the year progresses into the mid-year months of April through August, daylight duration decreases slightly to 11 hours. This reduction is subtly noticeable but does not significantly impact daily activities, as the shift remains modest. Upon entering September, daylight duration increases again to 12 hours, remaining steady through November, which signals a return to longer days. This cyclical pattern of daylight in West Nusa Tenggara emphasizes the tropical climate's stability, facilitating a balanced ecological system and a lifestyle adapted to the region's reliable light conditions throughout the year.

Average Monthly Daylight Hours in West Nusa Tenggara, Indonesia

This chart shows the total daylight hours West Nusa Tenggara receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec752h741h727h713h702h696h699h708h722h736h749h755h
Data source: West Nusa Tenggara daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of West Nusa Tenggara's Popular Destinations

Gili Air, Indonesia boasts a tropical climate characterized by warm temperatures year-round, with averages ranging from 26°C (79°F) in July and August to 28°C (82°F) in April and May. The dry season, spanning from May to September, experiences minimal rainfall, with July and August receiving only about 14-18 mm (0.6-0.7 in) of precipitation. In contrast, the wet season from December to March sees significantly higher rainfall, peaking in January and February with approximately 255 mm (10 in). Sunshine prevails throughout the year, averaging up to 311 hours in August, making it an ideal destination for sun-seekers. For detailed climate statistics, visit Gili Air climate.

Kuta, Indonesia, experiences a tropical climate characterized by warm temperatures year-round, typically ranging from a minimum of 20°C (68°F) in July and August to a maximum of 34°C (93°F) in October, November, and December. The wet season peaks between January and February, with average precipitation reaching up to 383 mm (15.1 in). In contrast, the dry months from June to August receive minimal rainfall, making it an ideal time for tourism. Sunshine hours remain abundant, especially from July to October, averaging over 300 hours monthly. For more details, visit Kuta climate.

Sembalunbumbung, Indonesia, experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from 24°C (75°F) to 26°C (79°F), with highs peaking at 33°C (91°F) in November and December. The wettest months, January to March, receive substantial rainfall, with January alone averaging 410 mm (16.2 in), while the drier months of June to August see much less precipitation. Despite the rain, Sembalunbumbung enjoys ample sunshine, particularly in October, which boasts up to 320 hours of sun. For more details, visit Sembalunbumbung climate.

Senggigi, Indonesia, experiences a tropical climate characterized by warm temperatures and significant rainfall. The average temperature remains steady around 27°C (81°F) throughout the year, with highs reaching up to 31°C (88°F). The wet season spans from November to March, marked by heavy rainfall, particularly in January and December, which can exceed 230 mm (9.1 in). Sunshine is abundant, with the driest months of June to August seeing up to 311 hours of sunlight. For more detailed information, visit Senggigi climate.

Conclusion

In conclusion, West Nusa Tenggara, Indonesia, showcases a unique climatic profile characterized by its tropical savanna climate, remarkable sunshine duration, extreme UV index, and consistent daylight patterns. The region's weather dynamics, illustrated through substantial seasonal rainfall and stable temperatures, not only influence local agriculture and ecology but also dictate the daily life of its inhabitants. With extreme UV radiation persisting year-round, coupled with varying daylight hours, it becomes increasingly important for residents and visitors to adopt effective sun protection strategies. Overall, the interplay of these climatic and environmental factors highlights the need for sustainable practices that balance the benefits of abundant sunshine and the challenges posed by intense UV exposure.

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