Tinian Climate

Last updated: January 18, 2025

Tinian, part of the Northern Mariana Islands, showcases a tropical rainforest climate classified under the Köppen-Geiger system as Af. The island experiences minimal temperature fluctuations throughout the year, with a minimum average of 24°C (76°F) in January and a maximum of 30°C (86°F) during the warmest month, September. The consistent average temperature of 27°C (82°F) highlights Tinian's warm and humid conditions, making it an ideal destination for those seeking a lush tropical environment.

Tinian temperature by month

Tinian, Northern Mariana Islands, exhibits a remarkably stable temperature pattern throughout the year, characterized by minimal variations. January and February are the coolest months with minimum temperatures of 24°C (76°F) and average highs reaching 28°C (84°F). As spring approaches in March and April, the minimum temperatures slightly increase, peaking in May with averages around 28°C (82°F) and maximums of 29°C (85°F). The summer months from June to September bring warm conditions, maintaining an average temperature of 28°C (82°F) and consistent maximums of 30°C (86°F). By October and November, temperatures stabilize as the rainy season starts, with average temperatures lingering around 28°C (82°F). This overall warm and humid climate makes Tinian a quintessential tropical destination year-round, with only slight seasonal shifts.

Monthly Temperatures in Tinian, Northern Mariana Islands

The chart illustrates Tinian'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.
JanFebMarAprMayJunJulAugSepOctNovDec808080818282828282828282
Data source: Tinian 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.

San Jose Village experiences a mild climate, with temperatures varying from a minimum of 24°C (76°F) in January to a maximum of 30°C (86°F) in September. This range provides a pleasant environment throughout the year, making it an attractive destination. For more detailed information on the monthly temperatures in San Jose Village, visit monthly temperatures in San Jose Village.

Precipitation Patterns in Tinian

Tinian, Northern Mariana Islands, experiences a distinct wet season characterized by high precipitation levels, particularly from June to October. The months of July and August are especially notable, with rainfall peaking at 274 mm (10.8 in) and 411 mm (16.2 in), respectively. This period also records the most rainy days, with nearly 29 days of rainfall, contributing to the lush tropical landscape. In contrast, the drier months such as January and March receive significantly lower rainfall, averaging around 53 mm (2.1 in) and 42 mm (1.7 in), respectively.

As the year progresses, the precipitation gradually builds, starting with 59 mm (2.3 in) in February and culminating in a substantial 364 mm (14.3 in) in October. Months like November and December see a decrease in rainfall, but still receive considerable amounts of 146 mm (5.8 in) and 72 mm (2.8 in), showcasing Tinian's persistent humidity. The rainfall patterns not only highlight the island's tropical climate but also play a crucial role in shaping its vibrant ecosystems, making it a remarkable destination for nature enthusiasts.

Monthly Average Precipitation in Tinian, Northern Mariana Islands

The average monthly precipitation in Tinian, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec535942635811827441134036414672
Data source: Tinian precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Tinian

Tinian, Northern Mariana Islands, enjoys a relatively consistent duration of sunshine throughout the year, with notable peaks that characterize its tropical climate. As the year begins, January records 230 hours of sunshine, gradually increasing to 264 hours in February. The most significant rise occurs in the spring months, culminating in May, which boasts 339 hours of sunshine. This period marks the transition into summer, offering optimal conditions for outdoor activities and encouraging visitors to enjoy Tinian's stunning landscapes.

As summer progresses, the sunshine hours begin to taper slightly, with July recording 303 hours and August dropping further to 275 hours. This decrease continues into September at 264 hours, marking one of the less sun-drenched periods on the island. However, sunshine remains plentiful, with each month still offering a healthy allowance of daylight. The latter part of the year features a slight increase in sunshine duration again, peaking at 288 hours in December. Overall, Tinian’s climate features a sunny disposition, with considerable daylight hours that cater to both locals and tourists alike throughout the year.

Monthly Sunshine in Tinian, Northern Mariana Islands

Monthly sunshine duration represents the total hours of direct sunlight Tinian receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec230h264h322h316h339h322h303h275h264h273h283h288h
Data source: Tinian sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Tinian UV Index Trends

The UV Index in Tinian, Northern Mariana Islands, presents a significant indicator of solar radiation intensity and its potential effects on skin health throughout the year. Starting with a UV Index of 10 in January, categorized as very high, residents and visitors are advised to take precautionary measures to avoid sun damage, with a burn time as short as 15 minutes. However, as the months progress into February, the UV Index escalates to 12, reaching an extreme category, indicating a serious risk of harm from unprotected sun exposure that only intensifies in the subsequent months.

April stands out with a peak UV Index of 15, marking the highest levels of solar intensity observed on the island, with a significantly reduced burn time of just 10 minutes across several months including March, May, and June. The extreme category persists through summer, with UV indices consistently around 14 until October. Even as November and December roll in, the UV levels remain high, wrapping the year with indices of 11 and a return to 10. Residents and visitors should remain vigilant year-round, using appropriate sun protection to navigate the strong UV conditions that are a defining characteristic of Tinian's tropical climate.

Monthly Maximum UV Index for Tinian, Northern Mariana Islands

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Tinian. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec101214151314141414131110
Data source: Tinian 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 Tinian

In Tinian, Northern Mariana Islands, daylight duration exhibits a consistent rhythm throughout the year, reflecting the island's proximity to the equator. During the winter months of January and February, Tinian experiences around 11 hours of daylight, providing ample time for outdoor activities despite the shorter days. As spring approaches in March, daylight begins to stretch, reaching 12 hours, a trend that continues into the summer months of April through August, which enjoy the full benefit of extended sunlight.

As summer wanes and autumn sets in, daylight duration gradually decreases back to 11 hours by October. This seasonal symmetry underscores Tinian's tropical climate, where the variations in daylight are subtle yet impactful. Overall, the almost year-round consistency in daylight hours makes Tinian an appealing destination for those seeking reliable sunshine and opportunities to explore its beautiful landscapes at any time of the year.

Average Monthly Daylight Hours in Tinian, Northern Mariana Islands

This chart shows the total daylight hours Tinian receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec680h698h722h747h768h779h773h755h731h706h685h674h
Data source: Tinian daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Tinian's Popular Destinations

San Jose Village in the Northern Mariana Islands experiences a tropical climate characterized by warm temperatures and significant rainfall. Monthly average temperatures range from 27°C (80°F) to 28°C (82°F) year-round, with highs reaching up to 30°C (86°F) during the summer months. The rainy season peaks between July and September, with August receiving the highest precipitation at 411 mm (16.2 in). Despite the heavy rainfall, sunshine is abundant, particularly in May, which averages 339 hours of sunlight. For more information, visit San Jose Village climate.

Conclusion

In conclusion, Tinian, Northern Mariana Islands, offers a captivating tropical climate marked by consistent temperatures, substantial precipitation, abundant sunshine, and high UV exposure throughout the year. The island's warm and humid conditions ensure an inviting environment for visitors seeking natural beauty and outdoor adventures, while its pronounced wet season plays a significant role in nurturing the lush landscapes. With stable daylight durations and peak sunshine months, Tinian remains a haven for sun-seekers and nature enthusiasts alike. However, the high UV Index underscores the importance of sun safety measures, allowing both residents and tourists to fully enjoy the wonders of this idyllic island while protecting their health.

Discover the Climate of Tinian's Places

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