Last updated: August 21, 2025
In October, the Tamuning-Tumon-Harmon Village area of Guam experiences a tropical climate characterized by warm temperatures and elevated humidity, averaging around 28°C (82°F). During this month, maximum temperatures can reach up to 29°C (85°F), while the minimum can drop to 25°C (78°F), providing a consistently comfortable environment. However, October is also notably wet, with total precipitation reaching 356 mm (14.0 in) over 29 days, resulting in nearly constant rainfall. With the average humidity hovering around 80%, visitors can expect a lush, vibrant atmosphere amidst the tropical showers.
In October, Tamuning-Tumon-Harmon Village, Guam, enjoys delightful tropical temperatures that underscore its charm. With a minimum temperature of 25°C (78°F) and an average of 28°C (82°F), the warmth is perfect for beachgoers and outdoor adventurers alike. The maximum temperature reaches 29°C (85°F), providing just the right balance between warmth and comfort. Observing the year, October's weather mirrors September's trends, where temperatures remain consistently comfortable, avoiding any dramatic shifts. Overall, this month offers a vibrant mix of sunshine and sea breezes, making it an ideal time to experience Guam’s natural beauty.
In October, the weather in Tamuning-Tumon-Harmon Village continues to showcase the region's tropical climate, with a substantial precipitation amount of 356 mm (14.0 in) over 29 rainy days. This marks a slight decrease from the heavier rainfall experienced in August and September, yet it remains significant, illustrating the transitional nature of the month. As the island moves deeper into autumn, the overall precipitation begins to taper off compared to the monsoon-like intensity of summer. The consistent rainfall patterns throughout the month create a lush environment, making October a vital time for the local ecosystems. Despite the reduction in precipitation compared to the preceding months, the frequent showers keep the area vibrant and green, reflective of Guam's captivating natural beauty.
October in Tamuning-Tumon-Harmon Village, Guam, sees a humidity level of 80%, maintaining the trend of consistent moisture that characterizes the region throughout the year. Following a mild dip from the peak of 84% in the preceding months of March and April, October's numbers reflect a steady pattern observed from June to August, where humidity stabilizes at 80%. This slight decrease is part of a natural rhythm, with the island's humidity typically fluctuating between the low 80s and mid 80s. As the year transitions into November, humidity ticks back up to 81%, suggesting that the tropical climate remains unwaveringly lush and vibrant, perfect for those seeking the warm embrace of island life.
In October, Tamuning-Tumon-Harmon Village, Guam, maintains a UV Index of 13, categorized as extreme, with a consistent burn time of just 10 minutes. This trend of high UV exposure continues the pattern observed throughout the year, where from January to September, the index often reaches peaks from 11 to 15. While October's UV levels dip slightly compared to the scorching highs of March and April, the vigorous sun remains a call for caution. As the year advances towards its end, November and December follow closely with slightly reduced indices, yet still firmly in the extreme category. It’s essential to stay protected and plan outdoor activities with care. For more detailed information on UV exposures year-round, visit Tamuning-Tumon-Harmon Village UV Index.
UV Risk Categories
In October, the beautiful regions of Tamuning-Tumon-Harmon Village, Guam bask in an average of 263 hours of sunshine, making it a delightful month for outdoor activities and exploration. While this marks a slight dip from the sunnier months of May and June, it remains a solid transition into the cooler autumn season. As summer fades, the total hours of sunlight exhibit a gradual decline from the peak months, yet still provide ample opportunity for fun under the sun. Interestingly, this October's sunshine hours fit snugly between the vibrant hues of September and the welcoming warmth of November, reinforcing the area's reputation for a pleasant climate year-round. Whether you're lounging on the beach or hiking the lush trails, October offers a perfect blend of warmth and relaxation in this tropical paradise.
In Tamuning-Tumon-Harmon Village, Guam, October marks a notable low in sunny weather, with only a 9% chance of sun. This trend follows a significant decline that begins in the middle of the year, where the sun shines at just 5% in August and bounces back slightly to 13% in September. From a promising 63% in March, the chances plummet through the warmer months, accentuating October's position as one of the cloudier periods of the year. As the humid summer fades, residents and visitors alike may want to prepare for a higher probability of overcast skies and rain, making it a time for indoor activities rather than sun-soaked outdoor adventures.
In Tamuning-Tumon-Harmon Village, Guam, the daylight duration exhibits a fascinating consistency throughout the year. From January to February, the length of daylight hovers at a steady 11 hours, suggesting a tranquil start to the year. As spring approaches in March, there’s a notable increase to 12 hours, which continues uninterrupted through August, offering ample sunlight for both residents and visitors. However, as September transitions into October, the daylight retraces its steps back to 11 hours, setting the stage for a return to calmer, shorter days leading into the winter months of November and December. This rhythmic cycle highlights the island's unique tropical climate, where long days flourish during the mid-year yet gracefully yield to shorter daylight periods as the year winds down.
As October ushers in a gentle breeze across Tamuning-Tumon-Harmon Village, Guam, the average wind speed settles at a moderate 5.3 m/s (12 mph). This marks a subtle increase from the calmer summer months, where winds hovered around 5.0 m/s from September, creating a refreshing transition into the fall. The winds, while softer compared to the stronger gusts felt in the beginning and end of the year, provide a pleasing backdrop for outdoor activities and scenic strolls along the coastline. With November approaching, expectations rise as wind speeds are projected to rebound to 7.2 m/s (16 mph), hinting at a seasonal shift in the region’s refreshing air patterns.
Weather in Tamuning-Tumon-Harmon Village varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Tamuning-Tumon-Harmon Village, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is characterized by 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). This month also experiences significant rainfall, totaling 356 mm (14.0 in) over 29 days, resulting in a humid atmosphere with an average humidity of 80%. In contrast, January presents slightly cooler conditions, 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). Precipitation drops considerably to 61 mm (2.4 in) over 15 days, while humidity increases slightly to 83%. For a more detailed look at January’s weather, you can check Tamuning-Tumon-Harmon Village weather in January.
In October, the weather tends to be warmer and wetter compared to February, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F) and an average of 28°C (82°F). Precipitation is significantly higher in October, reaching 356 mm (14.0 in) over 29 days, coupled with a humidity level of 80%. In contrast, February offers slightly cooler temperatures, with a minimum of 25°C (78°F), an average of 27°C (80°F), and a maximum of 28°C (83°F). Additionally, February experiences much less rainfall at 77 mm (3.0 in) over 15 days, while maintaining a humidity level of 82%. For more details on February weather, visit Tamuning-Tumon-Harmon Village weather in February.
October and March both exhibit warm temperatures, with October slightly warmer on average. In October, the temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), while March has a similar range of 25°C (77°F) to 28°C (83°F). However, October is marked by significantly higher precipitation, receiving 356 mm (14.0 in) over 29 days, compared to March, which sees only 53 mm (2.1 in) over 15 days. The humidity is relatively high in both months, with March averaging 84% compared to October's 80%. For more details about March weather, check out Tamuning-Tumon-Harmon Village weather in March.
When comparing the weather in October and April, we see some notable differences despite their similar temperature ranges.
In October, temperatures range from a minimum of 25°C (78°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). However, this month is characterized by high precipitation, with 356 mm (14.0 in) of rainfall spread over 29 days, contributing to a humidity level of 80%.
In contrast, April features a slightly cooler average temperature of 27°C (81°F) while maintaining a similar maximum of 29°C (84°F) and minimum of 25°C (77°F). Significantly, April experiences much less precipitation at just 94 mm (3.7 in) over 18 days, resulting in a higher humidity level of 84%.
For more detailed insights on April weather, you can refer to Tamuning-Tumon-Harmon Village weather in April.
In comparing the weather of October and May, both months exhibit similar temperature patterns, with minimums around 25°C (78°F), average temperatures at 28°C (82°F), and maximums slightly differing, as May peaks at 29°C (84°F) compared to October's 29°C (85°F). However, October is markedly wetter, receiving 356 mm (14.0 in) of precipitation over 29 days, while May has a much lighter rainfall of 78 mm (3.1 in) spread across 22 days. Additionally, humidity levels are slightly elevated in May at 83%, compared to October's 80%. For more detailed insights, you can check out the Tamuning-Tumon-Harmon Village weather in May.
In both October and June, the temperatures remain consistent, with minimums around 25°C (78°F), averages at 28°C (82°F), and maximums peaking at 29°C (85°F). However, October experiences significantly higher rainfall, totaling 356 mm (14.0 in) over 29 days, compared to June’s 159 mm (6.3 in) over 23 days. Despite the similar humidity levels of 80% in both months, the heavier precipitation in October makes it feel notably wetter. For more details on the weather in June, check out Tamuning-Tumon-Harmon Village weather in June.
When comparing the weather in October and July, we see some notable similarities and differences. Both months feature similar temperature ranges, with minimums around 25-26°C (78°F), averages of 28°C (82°F), and maximums reaching up to 29°C (85°F). However, October experiences significantly higher precipitation levels, with a total of 356 mm (14.0 in) compared to July's 276 mm (10.9 in). Additionally, while both months have high humidity at 80%, October sees rain spread across 29 days, just one less than July's 30 days of rainfall. For more detailed insights, you can check Tamuning-Tumon-Harmon Village weather in July.
When comparing the weather in October to August, we see that both months share similar temperature ranges, with minimums around 25°C (78°F), average temperatures at approximately 28°C (82°F), and maximums reaching 29°C (85°F). However, October experiences slightly less precipitation, with a total of 356 mm (14.0 in) over 29 days, compared to August's 405 mm (16.0 in) over 30 days. Both months maintain high humidity levels at 80%, creating a consistently tropical atmosphere. For a more detailed look at August weather, you can visit Tamuning-Tumon-Harmon Village weather in August.
In comparing the weather between September and October, both months exhibit similar temperature ranges, with minimal variation in low (25°C) and average (28°C) temperatures. However, October tends to have a slightly cooler maximum temperature of 29°C compared to September's peak of 30°C. Precipitation is substantial in both months, with October experiencing 356 mm over 29 days, while September records 375 mm over 28 days. Humidity levels remain quite comparable, with October at 80% and September slightly higher at 81%. For more detailed weather conditions, you can check Tamuning-Tumon-Harmon Village weather in September.
October and November display similar temperatures, with both months featuring a minimum of around 25-26°C (78-79°F), an average of 28°C (82°F), and a maximum of 29°C (85°F). However, October is characterized by significantly higher precipitation, receiving 356 mm (14.0 in) over 29 days compared to November's 202 mm (8.0 in) across 26 days. This small drop in rainfall gives November a slightly drier feel, despite the humidity remaining relatively constant at 80% in October and 81% in November. For more detailed information, you can check Tamuning-Tumon-Harmon Village weather in November.
In October, the weather features warm temperatures with a minimum of 25°C (78°F) and an average of 28°C (82°F), reaching a maximum of 29°C (85°F). The month is characterized by high precipitation, receiving a total of 356 mm (14.0 in) over 29 days, resulting in a humid atmosphere with 80% humidity. In contrast, December offers slightly cooler conditions, with temperatures ranging from a minimum of 26°C (78°F) to an average of 27°C (82°F) and a maximum of 29°C (84°F). The precipitation decreases significantly to 105 mm (4.1 in), spread over 22 days, and the humidity rises slightly to 84%. For more details, you can check Tamuning-Tumon-Harmon Village weather in December.
As October unfolds in Tamuning-Tumon-Harmon Village, visitors can expect a shift towards more humid and wet conditions compared to other months. With temperatures gently hovering around a warm 28°C (82°F), this period sees an increase in rainfall, with nearly half the month experiencing varying levels of precipitation. This heightened humidity can add a tropical feel to the air, making it essential to embrace the cozy warmth while being prepared for frequent showers. For those curious about the climate nuances of this vibrant destination, check out the detailed insights at Tamuning-Tumon-Harmon Village Climate.