Last updated: August 28, 2025
April in Cat Ba, Vietnam greets visitors with moderate temperatures, offering a pleasant maximum of 29°C (85°F) and an average of 24°C (75°F), making it an ideal time for outdoor adventures. Mornings and evenings can be refreshingly cool, with minimum temperatures dipping to 16°C (61°F). This month sees a total precipitation of 84 mm (3.3 in) across 11 days, contributing to the region's lush landscapes. Humidity hovers around 64%, providing a balanced atmosphere that enhances the island's vibrant biodiversity. Whether you're exploring the stunning beaches or kayaking through emerald waters, April's weather in Cat Ba sets the stage for an unforgettable experience.
April in Cat Ba, Vietnam, ushers in a delightful transition as temperatures begin to rise, marking the arrival of spring. With a minimum of 16°C (61°F) and a comfortable average of 24°C (75°F), visitors can enjoy pleasantly warm days. The maximum temperature can reach up to 29°C (85°F), making it an ideal time for outdoor adventures. Compared to the cooler months of January through March, April showcases a significant increase in warmth, hinting at the approaching summer. As the island comes alive with lush greenery and vibrant landscapes, April presents an excellent opportunity to explore Cat Ba's stunning natural beauty while basking in its increasingly inviting climate.
April marks a notable transition in Cat Ba's weather, with precipitation increasing to 84 mm (3.3 in) over 11 days of rain, setting the stage for the wetter months ahead. This surge in rainfall represents a significant jump from the 50 mm (2.0 in) received in March, highlighting the onset of the rainy season. As the region prepares for the ensuing monsoon, May follows closely with even higher totals of 139 mm (5.5 in). With precipitation becoming more frequent, April serves as a pivotal point in Cat Ba's annual climatic rhythm, signaling the lush greenery that characterizes this stunning destination during the warmer months.
April in Cat Ba, Vietnam, brings a noticeable drop in humidity, averaging 64%, which is a refreshing respite following the more humid months of January through March. As spring blossoms, the air feels more comfortable, hinting at the impending warmth of summer. This month serves as a pivotal transition, as the humidity levels will soon climb significantly, peaking in the heart of summer with July and August boasting a steamy 90% and 89% respectively. Overall, April's lower humidity presents an ideal opportunity for outdoor exploration before the sultry summer months draw in.
In April, Cat Ba, Vietnam, experiences an intensely high UV Index of 13, placing it in the extreme exposure category. With a rapid decline in safe sun exposure time to just 10 minutes, it's crucial for visitors and locals alike to take necessary precautions. This trend of increasing UV levels, which begins in the early months of the year, continues into April, highlighting the region's vibrant sun intensity as the days grow longer. Following April, this extreme UV climate persists through May, June, July, and August, reinforcing the importance of sun safety measures during these months. To better prepare for your time under the sun, check the latest data at Cat Ba UV Index.
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April in Cat Ba, Vietnam, marks a delightful transition into sunnier days, boasting 263 hours of glorious sunshine. This is a notable increase from previous months, showcasing a vibrant upswing in daylight compared to January's modest 179 hours and February's 223 hours. As spring unfolds, the trend continues into May, which shines even brighter with 312 hours, emphasizing the region's appeal as a sun-drenched paradise. This steady climb in sunlight hours leading into the summer not only enhances the natural beauty of Cat Ba but also entices travelers seeking warmth and adventure. With April signaling the onset of this radiant period, it’s the perfect time to explore the breathtaking landscapes and embraced the tropical charm.
In Cat Ba, Vietnam, the likelihood of sunny weather in April dips to 29%, marking one of the more overcast months of the year. This trend follows a significant drop from the more promising February and March, which boast sun chances of 59% and 30% respectively. Unfortunately, as spring transitions into early summer, the possibility of sunny skies continues to fluctuate, with May offering a slight uptick to 38%. It's clear that while April may not shine as brightly as its preceding months, it still holds potential for a few sunlit days amidst the region's variable weather patterns.
In Cat Ba, Vietnam, the arrival of April heralds a delightful shift in daylight hours, offering 12 hours of sunlight each day. This extends the trend of increasing daylight from the previous month of March, which also had 12 hours. Following a consistent pattern, the daylight duration will continue to grow as the year progresses, peaking in May and June with 13 hours each day. As we transition from the cooler early months of the year, April's light presents a lively atmosphere for exploration and outdoor activities, setting the stage for the sun-soaked summer that lies ahead. As the days begin to shorten again in August, April serves as a beautiful reminder of the vibrant energy and natural beauty that Cat Ba has to offer during its longer days.
In April, the winds of Cat Ba, Vietnam, softly embrace the island, with an average wind speed of 4.3 m/s (10 mph), mirroring the gentle breezes of January. This month marks a transition, as the winds begin to pick up momentum heading into the summer. Notably, as we move towards May, the wind speed escalates to 5.5 m/s (12 mph), setting the stage for notably breezier days ahead. The prevailing patterns show a gradual increase from a calm winter, culminating in the summer months of June and July, when the wind reaches its peak at 5.7 m/s (13 mph). As April arrives, its pleasant winds provide a refreshing interlude, hinting at the energetic gales that are soon to follow in Cat Ba’s vibrant seasonal dance.
Weather in Cat Ba varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Cat Ba, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present quite different weather conditions. April generally boasts warmer temperatures, with a minimum of 16°C (61°F), an average of 24°C (75°F), and a maximum reaching 29°C (85°F). In contrast, January is cooler, featuring a minimum of 10°C (50°F), an average of 18°C (65°F), and a maximum of 24°C (75°F). Additionally, April experiences more rainfall, with 84 mm (3.3 in) of precipitation over 11 days, compared to January's 34 mm (1.3 in) over just 7 days. Humidity levels are relatively similar, with April at 64% and January at 66%. For more detailed insights on January weather, you can check Cat Ba weather in January.
April generally welcomes warmer temperatures compared to February, with average daily highs reaching 24°C (75°F) in February, while April sees a significant rise to about 24°C (75°F) on average, peaking at 29°C (85°F). Additionally, April experiences a higher amount of precipitation, totaling 84 mm (3.3 in) over approximately 11 days, compared to the milder 36 mm (1.4 in) spread across 7 days in February. Humidity levels are also slightly lower in April at 64%, compared to 71% in February, making April feel a bit more comfortable despite the increased rainfall. For a more detailed perspective on February weather, you can visit Cat Ba weather in February.
In comparing the weather between March and April, we can see some notable differences. April tends to be warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), compared to March's range of 16°C (60°F) to 27°C (80°F). Additionally, April experiences higher average temperatures at 24°C (75°F) versus March's 21°C (70°F). However, April also sees an increase in precipitation, with 84 mm (3.3 in) of rain over 11 days, compared to March's 50 mm (2.0 in) spread across 13 days. Humidity levels in April average 64%, slightly lower than the 69% recorded in March. For more detailed insights related to March weather, you can check Cat Ba weather in March.
April weather is characterized by milder temperatures, with an average of 24°C (75°F) and a maximum of 29°C (85°F), alongside a moderate amount of rainfall totaling 84 mm (3.3 in) over 11 days. In contrast, May sees a noticeable increase in warmth, with average temperatures rising to 27°C (81°F) and maximums reaching 33°C (92°F). However, May also brings increased precipitation, with a total of 139 mm (5.5 in) distributed over 15 days, along with higher humidity levels averaging 73%. For more detailed weather information, you can visit Cat Ba weather in May.
April weather is generally milder than June, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F) and an average of 24°C (75°F). The month sees about 84 mm (3.3 in) of precipitation over 11 days, with humidity levels around 64%. In contrast, June experiences warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), averaging 30°C (86°F). Increased rainfall is also typical in June, with total precipitation reaching 194 mm (7.6 in) over 15 days and humidity rising to 81%. For more detailed information about the conditions in June, visit Cat Ba weather in June.
April weather offers a pleasant transition into warmer temperatures, with average highs around 29°C (85°F) and relatively moderate humidity at 64%. Although the month experiences some rainfall, with about 84 mm (3.3 in) over 11 days, it typically remains comfortable for outdoor activities. In contrast, July presents significantly hotter conditions, featuring average temperatures peaking at 33°C (92°F), along with high humidity levels reaching 90%. The rainfall in July is markedly heavier, accumulating around 325 mm (12.8 in) over 21 days, contributing to a more humid and tropical environment. For more detailed insights, you can check out Cat Ba weather in July.
When comparing the weather in April and August, significant differences emerge. In April, temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average of 24°C (75°F). It's a relatively mild month with 84 mm (3.3 in) of precipitation spread over 11 days and a humidity level of 64%. In contrast, August experiences much warmer temperatures, with a minimum of 25°C (78°F) and a peak of 34°C (93°F), averaging 29°C (85°F). Additionally, August is marked by substantial rainfall, with 567 mm (22.3 in) accumulating over 25 days, and humidity rising steeply to 89%. For a more detailed overview of August weather, you can visit Cat Ba weather in August.
April and September present contrasting weather patterns. In April, temperatures range from a mild 16°C (61°F) to a pleasant average of 24°C (75°F), peaking at 29°C (85°F). The month also sees moderate rainfall of 84 mm (3.3 in) spread over approximately 11 days, with a humidity level of 64%. In stark contrast, September experiences warmer temperatures, with a minimum of 25°C (78°F) and an average high of 29°C (84°F), reaching up to 33°C (92°F). This month is considerably wetter, with total precipitation soaring to 312 mm (12.3 in) across 23 days, resulting in increased humidity at 82%. For more detailed insights on September weather, visit Cat Ba weather in September.
April and October present distinct weather patterns. In April, temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average of 24°C (75°F). The month sees moderate precipitation of 84 mm (3.3 in) over 11 days and maintains a humidity level of 64%. In contrast, October features warmer temperatures, with minimums of 19°C (67°F) and maximums reaching 32°C (90°F), an average of 26°C (79°F). However, this month experiences significantly heavier rainfall, totaling 284 mm (11.2 in) across 17 days, accompanied by higher humidity at 77%. For a detailed look at the conditions, you can check Cat Ba weather in October.
April and November present a subtle contrast in weather patterns. In April, temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), with an average of 24°C (75°F). This month experiences slightly more precipitation at 84 mm (3.3 in) over 11 days, accompanied by a humidity level of 64%. In comparison, November features milder temperatures with a minimum of 14°C (57°F) and a maximum of 28°C (83°F), averaging around 23°C (74°F). Precipitation decreases to 53 mm (2.1 in) over 10 days, but humidity rises to 72%. For more detailed information on November weather, you can visit Cat Ba weather in November.
April and December present contrasting weather patterns. In April, temperatures are warmer, with a minimum of 16°C (61°F) and highs reaching up to 29°C (85°F), while the average sits at 24°C (75°F). This month also experiences more precipitation, totaling 84 mm (3.3 in) over approximately 11 days, paired with a humidity level of 64%. In contrast, December brings cooler conditions, characterized by a minimum temperature of 10°C (50°F) and a maximum of 26°C (80°F), with an average of 19°C (67°F). The precipitation significantly decreases to 42 mm (1.6 in) over 8 days, although humidity rises slightly to 71%. For a more detailed view of December weather, you can check Cat Ba weather in December.
As April unfolds in Cat Ba, it brings a delightful transition from the cool, crisp winter to a warmer spring. With temperatures averaging a comfortable 24°C (75°F), the weather is generally pleasant, making it an ideal time for outdoor activities. However, expect some humidity, with levels around 64%, and anticipate sporadic rainfall, as 11 days of precipitation contribute to a total of 84 mm (3.3 in) for the month. This rise in rainfall sets April apart from the drier months that precede it, yet it still boasts an average maximum of 29°C (85°F), ensuring plenty of warm days to enjoy the breathtaking landscapes. For a deeper understanding of the climate trends throughout the year, visit Cat Ba Climate.