Last updated: August 21, 2025
January in Tamuning-Tumon-Harmon Village, Guam offers a warm tropical climate, boasting an average temperature of 27°C (81°F). Daily highs reach a pleasant 28°C (83°F), while nighttime lows hover around 25°C (77°F), creating a comfortable atmosphere for residents and visitors alike. However, this month also brings 83% humidity and a notable 61 mm (2.4 in) of precipitation over approximately 15 days, contributing to the lush greenery characteristic of the island. Those exploring this vibrant locale can expect a mix of sunny days and refreshing rains, perfectly embodying the essence of a tropical paradise.
In Tamuning-Tumon-Harmon Village, Guam, January showcases a delightful tropical climate, with temperatures ranging from a mild 25°C (77°F) at night to a warm 28°C (83°F) during the day. The month averages around 27°C (81°F), making it an ideal time to explore the island's stunning beaches and vibrant culture. As the seasons transition into February and March, temperatures remain consistent, with minimal variation, continuing to hover around the same averages. This stability hints at the region's tropical charm, where the warmth is a constant companion. By April, a slight increase can be noted as daytime highs push towards 29°C (84°F), signaling the onset of warmer months ahead. Overall, January in this idyllic locale offers a perfect blend of warmth and comfort, encouraging outdoor adventures amidst a backdrop of breathtaking scenery.
In January, Tamuning-Tumon-Harmon Village, Guam experiences a modest precipitation total of 61 mm (2.4 inches) over approximately 15 days, marking the beginning of the island's rainy season. This sets the stage for a notable upward trend as the year progresses, particularly in June and July, where rainfall peaks with an impressive 159 mm (6.3 inches) and 276 mm (10.9 inches), respectively. As August rolls in, the wettest month takes hold, unleashing a staggering 405 mm (16.0 inches) of rain. Such patterns suggest that while January kicks off the wet season gently, the months that follow transform the landscape into a lush, verdant paradise, highlighting the dynamic climate of Guam throughout the year.
In January, Tamuning-Tumon-Harmon Village, Guam, experiences a humidity level of 83%, setting the tone for a consistently humid tropical climate. This level is indicative of the area's perennial moisture, which gradually adjusts as the year progresses. As February rolls in, humidity dips slightly to 82%, but quickly rebounds in March and April, where it reaches 84%. May sees a return to 83%, highlighting a stable pattern. The summer months, from June to August, showcase a slight decrease in humidity to 80%, providing a brief respite before it ascends to 81% in September and October, and climbs back to 84% in December. Overall, while humidity remains high throughout the year, the subtle fluctuations add a dynamic touch to Guam's tropical charm.
In Tamuning-Tumon-Harmon Village, Guam, January ushers in a notably high UV Index of 11, classified as extreme, with a quick burn time of just 10 minutes. This trend of high UV exposure persists throughout the year, peaking in March and April with an index of 15. As winter transitions to summer, while February's UV Index climbs to 13, the intensity remains consistently extreme across all months, only dipping to 12 in November and returning to 11 by December. This enduring level of UV exposure highlights the importance of sun protection year-round. For more detailed insights on UV levels throughout the year, visit the Tamuning-Tumon-Harmon Village UV Index.
UV Risk Categories
In January, Tamuning-Tumon-Harmon Village, Guam experiences approximately 232 hours of sunshine, laying the foundation for a vibrant year ahead. As winter progresses into February, daylight begins to stretch, bringing a noticeable increase to 267 hours. By March, the sun blazes brighter, peaking at 316 hours, a captivating prelude to the warmth of spring. The trend continues into April and May, where sunshine remains abundant at 314 hours and climbs to 336 hours, making it the sunniest month of the year. As summer unfolds in June and July, the hours of sunlight gently dip to 319 hours and 300 hours, suggesting a slight moderation in heat. August and September follow suit with 269 and 259 hours, marking a gradual transition into autumn. Nevertheless, the sunshine remains resilient, averaging around 263 hours in October, while November and December bring 280 and 286 hours, ensuring that the festive season is illuminated with natural light. Overall, the yearly trend showcases a dynamic rhythm of sunshine that enriches the tropical experience in this beautiful corner of Guam.
In Tamuning-Tumon-Harmon Village, Guam, January offers a 50% chance of sunny weather, making it a pleasant start to the year. As the months progress, the likelihood of sunshine gradually increases, reaching a peak of 63% in March before descending again in the hotter summer months, where July and August see a notable drop to just 13% and 5%, respectively. Interestingly, the possibility of sunny days re-emerges in November, returning to 50%, suggesting a trend of more favorable conditions during the beginning and end of the year, while the heart of summer is typically dominated by cloudier skies. This fluctuation emphasizes the island's unique tropical climate, inviting visitors to capitalize on the sun-filled days during the transitional months.
In Tamuning-Tumon-Harmon Village, Guam, January marks the beginning of a consistent daylight pattern, with approximately 11 hours of sunlight. This daylight duration remains steady through February before gradually increasing in March to 12 hours. Interestingly, from March through September, residents and visitors enjoy a generous 12 hours of daylight, perfect for embracing outdoor activities in the vibrant island setting. As October rolls in, daylight begins to recede, dropping back to 11 hours and continuing this trend into the winter months of November and December. This cyclical pattern highlights the delightful consistency of Guam's tropical climate, where the change in daylight serves as a gentle reminder of the shifting seasons without drastic fluctuations.
In January, the winds in Tamuning-Tumon-Harmon Village, Guam, are invigoratingly brisk, averaging 8.0 m/s (18 mph). This marks the start of the year with some of the highest wind speeds, setting a dynamic tone that threads through the winter months. As we transition into February, there's a slight decrease to 7.8 m/s (17 mph), but the energetic gusts remain present. The winds continue to mellow in March, averaging 7.1 m/s (16 mph), indicating a shift towards calmer conditions as spring approaches. This trend reaches a low in April, where the average plummets to 4.9 m/s (11 mph), reflecting the tranquil atmosphere of early spring. However, the winds pick up again in May and November, returning to 7.9 m/s (18 mph) and 7.2 m/s (16 mph), respectively, reminding us that Guam's coastal charm is often accompanied by refreshing breezes. Overall, January stands out as a month of robust winds, paving the way for variations that keep the island's weather dynamic throughout the year.
Weather in Tamuning-Tumon-Harmon Village varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Tamuning-Tumon-Harmon Village, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February share quite similar weather patterns, with both months maintaining an average temperature of around 27°C (81°F). The minimum and maximum temperatures are nearly identical, ranging from a low of 25°C (77°F) to a high of 28°C (83°F). However, February sees a slightly higher precipitation level, with 77 mm (3.0 in) compared to January's 61 mm (2.4 in), despite both months experiencing rainfall on approximately 15 days. Humidity levels are also comparable, with January at 83% and February just a touch lower at 82%. For more detailed insights, check out Tamuning-Tumon-Harmon Village weather in February.
In January, the weather features steady temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), peaking at 28°C (83°F). The rainfall is notable, with 61 mm (2.4 in) spread across 15 days, and a humidity level of 83%. In contrast, March presents a similar temperature profile, maintaining the minimum, average, and maximum temperatures at 25°C (77°F), 27°C (81°F), and 28°C (83°F), respectively. However, precipitation decreases slightly to 53 mm (2.1 in), also occurring over 15 days, with humidity slightly rising to 84%. For more detailed information, check out the Tamuning-Tumon-Harmon Village weather in March.
In January, the weather features a consistent warmth with minimum temperatures around 25°C (77°F) and maximums reaching 28°C (83°F). The month experiences relatively low precipitation at 61 mm (2.4 in) over 15 days, accompanied by high humidity levels of 83%. In contrast, April brings slightly warmer temperatures, with highs peaking at 29°C (84°F) while maintaining the same minimum and average figures as January. Precipitation increases to 94 mm (3.7 in), occurring over 18 days, and humidity rises marginally to 84%. For more details on April weather, check out this link: Tamuning-Tumon-Harmon Village weather in April.
In January, the weather features slightly cooler temperatures with a minimum of 25°C (77°F), averaging around 27°C (81°F), and peaking at 28°C (83°F). The month sees a total precipitation of 61 mm (2.4 in) over about 15 days, accompanied by a high humidity of 83%. In contrast, May offers warmer conditions, with temperatures ranging from a minimum of 25°C (78°F) to an average of 28°C (82°F), and a maximum reaching 29°C (84°F). However, it experiences increased rainfall, totaling 78 mm (3.1 in) across 22 days, maintaining the same high humidity at 83%. For more detailed information on May weather, check out Tamuning-Tumon-Harmon Village weather in May.
In January, the weather is warm with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), averaging around 27°C (81°F). The month experiences about 61 mm (2.4 in) of precipitation over 15 days, with humidity levels at 83%. In contrast, June sees a slight increase in temperature, with minimums of 25°C (78°F) and maximums reaching 29°C (85°F), averaging 28°C (82°F). However, June is also wetter, receiving 159 mm (6.3 in) of rainfall across 23 days, while humidity decreases slightly to 80%. For more detailed insights, you can refer to Tamuning-Tumon-Harmon Village weather in June.
In January, the weather in Tamuning-Tumon-Harmon Village is characterized by mild temperatures, with an average high of 28°C (83°F) and a relatively low precipitation of 61 mm (2.4 in) spread over 15 days, resulting in a humidity level of 83%. In contrast, July experiences slightly warmer temperatures, with average highs reaching 29°C (85°F), but it also brings a significant increase in rainfall, tallying 276 mm (10.9 in) over 30 days, along with a slight drop in humidity to 80%. For more details on the climate during this summer month, you can visit Tamuning-Tumon-Harmon Village weather in July.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 28°C (83°F) and an average of 27°C (81°F). This month experiences about 61 mm (2.4 in) of precipitation spread over 15 days, coupled with a humidity level of 83%. In contrast, August brings warmer temperatures, with a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum of 29°C (85°F). However, August is significantly wetter, with precipitation totaling 405 mm (16.0 in) over 30 days, while humidity remains slightly lower at 80%. For more detailed information, check out Tamuning-Tumon-Harmon Village weather in August.
In January, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 28°C (83°F). During this month, precipitation is moderate at 61 mm (2.4 in), falling over about 15 days, and humidity levels are relatively high at 83%. In contrast, September sees slightly higher temperatures, with a minimum of 25°C (77°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). However, it is significantly wetter, with a total precipitation of 375 mm (14.8 in) over 28 days, while humidity remains similar at 81%. For more detailed information, you can check Tamuning-Tumon-Harmon Village weather in September.
In January, the weather is relatively warm with an average temperature of 27°C (81°F) and a max of 28°C (83°F). However, this month sees less precipitation compared to October, totaling 61 mm (2.4 in) over 15 days, while the humidity remains high at 83%. In contrast, October experiences slightly warmer conditions with an average temperature of 28°C (82°F) and a maximum of 29°C (85°F). It is much wetter as well, receiving 356 mm (14.0 in) of rain over 29 days, yet the humidity is slightly lower at 80%. For more detailed information on the October weather, you can visit Tamuning-Tumon-Harmon Village weather in October.
In comparing the weather between January and November, January tends to be slightly cooler with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 28°C (83°F). This month experiences less rainfall, totaling 61 mm (2.4 in) over about 15 days, and maintains a higher humidity level at 83%. In contrast, November sees slightly warmer temperatures, with averages between 26°C (79°F) and 29°C (85°F), but it is significantly wetter, receiving 202 mm (8.0 in) of rain across 26 days. The humidity in November is marginally lower at 81%. For a more detailed view of November's climate, you can check this link: Tamuning-Tumon-Harmon Village weather in November.
In comparing the weather between January and December, we see some subtle differences. January features slightly cooler temperatures with a minimum of 25°C (77°F), while December's temperatures start at 26°C (78°F) and peak at a slightly higher maximum of 29°C (84°F). Precipitation is also more abundant in December, recording 105 mm (4.1 in) over 22 days compared to January's 61 mm (2.4 in) across 15 days. Humidity remains high in both months, with January at 83% and December at 84%. For more detailed insights into December weather, you can refer to this link: Tamuning-Tumon-Harmon Village weather in December.
January in Tamuning-Tumon-Harmon Village is characterized by mild temperatures that create a pleasant atmosphere, setting it apart from the hotter months. With an average temperature hovering around 27°C, this month is perfect for those looking to escape colder climates. However, it's also a time when visitors may encounter increased precipitation with about half the days experiencing some rain, making it a bit more humid than other times of the year. Despite the showers, the lush surroundings and vibrant landscape during January are undeniably enchanting. For a deeper dive into the area's climate nuances throughout the year, visit Tamuning-Tumon-Harmon Village Climate.