Last updated: August 28, 2025
In October, Cat Ba, Vietnam, offers a pleasant climate characterized by an average temperature of 26°C (79°F), with daytime highs reaching up to 32°C (90°F) and cooler nights settling around 19°C (67°F). While this month sees 17 days of rain, contributing to a total precipitation of 284 mm (11.2 in), the humidity remains relatively high at 77%, creating a lush and vibrant landscape. Visitors can expect a mix of sunny spells and occasional showers, making it an ideal time for exploration and enjoying the island's natural beauty.
In October, Cat Ba, Vietnam, enjoys a delightful transition as temperatures begin to cool down from the sweltering summer months. With a minimum of 19°C (67°F) and a comfortable average of 26°C (79°F), the conditions are perfect for outdoor adventures. As the month progresses, the maximum temperatures can reach up to 32°C (90°F), offering plenty of warmth without the oppressive humidity typical of the peak season. This moderate climate not only invites travelers to explore the stunning landscapes but also highlights the striking shift from the high heat of summer to the more pleasant autumn days. As November approaches, the temperatures will continue to drop, making October a sweet spot for those seeking both warmth and comfort in their journey.
In October, Cat Ba, Vietnam, experiences a notable shift in precipitation patterns, receiving 284 mm (11.2 in) of rain over 17 days. This is a decrease from the soaring levels witnessed during the monsoon months of August and September, which often bring heavy downpours exceeding 500 mm. The rainfall in October indicates a transition toward cooler weather and less humidity, setting the stage for a post-monsoon recovery as the island's lush landscapes emerge vibrant and rejuvenated. The moderate precipitation makes October an ideal time for travelers looking to explore Cat Ba’s natural beauty without the overwhelming rain that characterizes the summer months.
In October, Cat Ba, Vietnam experiences a humidity level of 77%, marking a slight decrease from the peak summer months but still maintaining a noticeably humid atmosphere. This month’s humidity reflects a transition from the sweltering heights of 90% in July and 89% in August towards the more moderate conditions of late fall. Notably, the trend shows that humidity tends to taper off after the intense summer, leading into the cooler and drier months of November and December, which average around 72% and 71%, respectively. The mild, humid climate in October can create a lush, vibrant landscape, perfect for exploring the island’s stunning natural beauty while enjoying the lingering warmth before the dry season approaches.
In October, Cat Ba, Vietnam, experiences a UV Index of 11, categorized as extreme, with a quick burn time of just 10 minutes. As we transition from the peak summer months, where UV levels soared to 13, October's index slightly dips yet remains a strong reminder of the sun's intensity. This month continues the trend of high UV exposure, urging visitors and locals alike to prioritize sun protection while enjoying the outdoor beauty of Cat Ba. For comprehensive insights into UV levels throughout the year, check out Cat Ba UV Index.
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October in Cat Ba, Vietnam, welcomes 261 hours of vibrant sunshine, reflecting the gentle transition from the intense summer months. This marks a slight decrease from September's 285 hours, yet it still stands as a solid indicator of mild, pleasant weather ideal for outdoor adventures. As the year moves toward winter, sunshine hours gradually taper off, emphasizing the charm of fall in this coastal paradise. With consistently high sunlight hours from May through July, October offers a perfect blend of warmth and a hint of coolness, inviting travelers to explore its stunning landscapes and rich biodiversity while the days remain bright and inviting.
When considering the likelihood of sunny weather in Cat Ba, Vietnam, October offers a moderate 26% chance of sun, placing it among the lower percentages for the year. This month follows a pattern observed from the summer, where sunlit days become increasingly scarce, dropping from a peak of 38% in May to as low as 14% in August. Interestingly, as the year progresses towards cooler months, the chances of sunshine begin to rebound, with November and December seeing improvements, climbing to 50% and 55%, respectively. Thus, while October may not boast the sunniest disposition, it indicates a gradual transition towards more favorable weather conditions in the following months.
As October rolls in, Cat Ba, Vietnam, experiences a return to shorter days, with daylight lasting 11 hours—a trend mirrored in January, February, and November. This decline in daylight follows a peak during the vibrant summer months of May through July, when the island enjoys a generous 13 hours of sunlight, ideal for outdoor adventures and exploration. The transition to October signifies the onset of cooler weather and a gradual dimming toward winter, as the daylight hours shift back to 12 hours in the early months of spring. Overall, the rhythm of daylight in Cat Ba illustrates a gentle ebb and flow, accentuating the region's dynamic seasonal changes.
As October arrives in Cat Ba, Vietnam, the landscape breathes with the invigorating October wind, registering an average speed of 6.0 m/s (13 mph), the highest for the year. This noticeable shift heralds the transition from the sultry summer months to the refreshing embrace of autumn. The wind picks up significantly from the previous month, where September's gentle breezes averaged just 3.2 m/s (7 mph). As the seasons change, this brisk October wind invites travelers to embrace outdoor activities, providing a perfect backdrop for exploring the island’s stunning scenery and vibrant marine life. With the winter months approaching, where winds typically mellow to around 4.6 m/s (10 mph), October serves as a lively reminder of both nature’s rhythm and the joys of experiencing Cat Ba at its breezy best.
Weather in Cat Ba varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Cat Ba, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present stark contrasts in weather patterns. October boasts warm temperatures ranging from 19°C (67°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). It also sees significant precipitation, with 284 mm (11.2 in) over 17 days and a high humidity of 77%. In contrast, January is much cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 24°C (75°F), averaging 18°C (65°F). The rainfall drops dramatically to 34 mm (1.3 in) spread across just 7 days, and humidity levels decrease to 66%. For a more detailed look at the weather during this month, visit Cat Ba weather in January.
October and February present stark contrasts in weather conditions. In October, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). This month is notably wet, experiencing 284 mm (11.2 in) of precipitation over 17 days, along with a higher humidity level of 77%. In comparison, February offers a cooler climate, with temperatures spanning from 9°C (49°F) to 24°C (75°F), averaging 18°C (65°F). Precipitation is significantly lower at 36 mm (1.4 in), occurring over just 7 days, and humidity is somewhat reduced at 71%. For more specific insights into the weather conditions during February, you can check Cat Ba weather in February.
In October, the weather is warmer and more humid compared to March, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F). October also experiences significant rainfall, with 284 mm (11.2 in) over approximately 17 days, leading to a humidity level of 77%. In contrast, March sees milder temperatures, with averages between 16°C (60°F) and 27°C (80°F), and much lower precipitation at 50 mm (2.0 in) over about 13 days, along with a humidity level of 69%. For more detailed information about conditions specific to March, you can check Cat Ba weather in March.
When comparing the weather in October and April, October tends to be warmer with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), while April shows slightly cooler temperatures, with a range from 16°C (61°F) to 29°C (85°F). Additionally, October is significantly wetter, receiving 284 mm (11.2 in) of precipitation spread over 17 days, compared to April’s 84 mm (3.3 in) over 11 days. The humidity is also higher in October at 77%, while April enjoys a lower humidity level of 64%. For more specific insights into the conditions during this time, you can check out Cat Ba weather in April.
In comparing the weather between October and May, we observe that October features a slightly lower average temperature, with highs reaching up to 32°C (90°F) and a min of 19°C (67°F), while May is a touch warmer, with averages fluctuating between 20°C (69°F) and a peak of 33°C (92°F). Additionally, October experiences significantly higher precipitation levels at 284 mm (11.2 in) over 17 days, compared to May's 139 mm (5.5 in) over 15 days. Humidity is also higher in October at 77%, as opposed to May’s 73%. For a more detailed look at weather specifics in May, visit Cat Ba weather in May.
October and June present notable differences in weather patterns. In October, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). The month is characterized by increased precipitation, totaling 284 mm (11.2 in) over 17 days, accompanied by a humidity level of 77%. In contrast, June experiences warmer temperatures, with a minimum of 24°C (76°F) and a maximum reaching 34°C (94°F), averaging 30°C (86°F). The rainfall in June is comparatively lower at 194 mm (7.6 in) over 15 days, with humidity slightly higher at 81%. For a deeper understanding of June's climate, you can check Cat Ba weather in June.
In comparing the weather conditions of October and July, October tends to be slightly cooler with an average temperature of 26°C (79°F), while July has a higher average of 29°C (85°F). The maximum temperatures are similar, peaking at 32°C (90°F) in October and 33°C (92°F) in July. However, October experiences more rainfall, with 284 mm (11.2 in) over 17 days, compared to July's 325 mm (12.8 in) over 21 days. Humidity levels are also notably different; October has a lower humidity of 77% compared to the 90% humidity typical of July. For more detailed information, you can check Cat Ba weather in July.
When comparing the weather in October and August, October tends to be slightly cooler with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), while August experiences warmer temperatures, with a minimum of 25°C (78°F) and a maximum of 34°C (93°F). Additionally, October receives considerable rainfall, totaling 284 mm (11.2 in) over 17 days, compared to August's heavier precipitation of 567 mm (22.3 in) over 25 days. Humidity levels are also noticeably higher in August at 89%, while October's average humidity is around 77%. For more detailed information, you can visit Cat Ba weather in August.
In comparing the weather between September and October, September experiences slightly warmer temperatures, with an average of 29°C (84°F) and a maximum of 33°C (92°F), compared to October's averages of 26°C (79°F) and a maximum of 32°C (90°F). However, October brings about a higher level of precipitation, totaling 284 mm (11.2 in) over 17 days, while September has 312 mm (12.3 in) spread out over 23 days. Additionally, humidity levels are somewhat lower in October at 77%, compared to September's 82%. For a more detailed look at September weather, visit Cat Ba weather in September.
October and November present a notable shift in weather patterns. October is warmer, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F) and an average of 26°C (79°F). It is also significantly wetter, receiving 284 mm (11.2 in) of precipitation over 17 days and maintaining a high humidity level of 77%. In contrast, November brings cooler temperatures, with a minimum of 14°C (57°F), an average of 23°C (74°F), and a maximum of 28°C (83°F). The month is much drier, with only 53 mm (2.1 in) of rain falling over 10 days and slightly less humidity at 72%. For more detailed information, you can check Cat Ba weather in November.
October and December present a stark contrast in weather conditions. In October, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). This month also experiences significant rainfall, totaling 284 mm (11.2 in) over 17 days, accompanied by high humidity levels of 77%. In comparison, December sees cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 26°C (80°F), averaging 19°C (67°F). Precipitation drops significantly to 42 mm (1.6 in) across just 8 days, and humidity decreases to 71%. For more detailed information on the weather patterns during this time, check out Cat Ba weather in December.
October on Cat Ba Island signals a transition, marked by a blend of warmer temperatures and considerable rainfall. As humidity rises to about 77%, the island experiences a unique atmosphere, creating a lush, vibrant landscape. While the average temperature remains pleasantly warm, the increased precipitation—with rain on nearly half the days—sets this month apart from the drier summer months. This combination of warmth and wetness not only enhances the island's natural beauty but also invites a different kind of exploration for visitors, making it a delightful time to experience Cat Ba's stunning scenery. For more detailed insights on the weather year-round, check out Cat Ba Climate.