Last updated: August 28, 2025
In June, Cat Ba, Vietnam experiences vibrant summer weather characterized by warm temperatures and considerable humidity. With maximum highs reaching 34°C (94°F) and an average of 30°C (86°F), visitors can expect a tropical climate perfect for outdoor activities. However, the month brings significant rainfall, accumulating around 194 mm (7.6 in) over approximately 15 days, which adds a refreshing touch to the warm surroundings. Humidity levels hover around a muggy 81%, creating a lush environment ideal for exploring the island's stunning natural beauty. Be prepared for both sun and rain as you enjoy everything Cat Ba has to offer this June!
As June rolls around in Cat Ba, Vietnam, temperatures begin to reach their peak, marking the true onset of summer. With a minimum temperature of 24°C (76°F) and an average rising to 30°C (86°F), the island becomes a warm haven inviting visitors to enjoy its stunning landscapes. The maximum temperature can soar to 34°C (94°F), setting the stage for long, sun-soaked days perfect for exploring its beaches and emerald waters. This progression from the milder temperatures of earlier months signifies a vibrant transition into a hotter season, making June an enticing time for adventure seekers and beach lovers alike.
In June, Cat Ba, Vietnam experiences a notable increase in precipitation, with 194 mm (7.6 in) of rainfall over the course of 15 days. This marks a significant rise from the previous month, when May recorded 139 mm (5.5 in). The trend indicates that as summer sets in, the rain intensifies, paving the way for the even heavier downpours that follow in July and August. With lush landscapes fed by these summer showers, June serves as a transitional phase, balancing the vibrant growth fostered by May's rain with the forthcoming deluge characteristic of the peak monsoon months.
In June, Cat Ba, Vietnam experiences a notable surge in humidity, reaching an average of 81%. This increase marks a significant shift as temperatures climb, creating a lush and vibrant atmosphere, perfect for exploring the island's stunning landscapes. Following the trend from May's 73%, June sets the stage for the summer months, where humidity peaks in July at a striking 90%. The pattern indicates a gradual rise from the drier air of April's 64%, reflecting the transition into the wet season. As the year progresses, humidity remains relatively high, particularly in the peak summer months, making June an ideal time for those who love lush greenery and warm, tropical vibes.
June in Cat Ba, Vietnam, sees a consistent UV Index of 13, placing the exposure category firmly in the extreme range, with a rapid burn time of just 10 minutes. This trend of high UV levels is evident from April through to October, where skimming the sun's rays can quickly lead to skin damage. As summer reaches its peak, travelers and locals alike should take extra precautions, such as wearing protective clothing and applying sunscreen regularly. Notably, the UV Index remains extreme throughout these months, necessitating vigilance in sun safety practices. For more insights on UV trends in Cat Ba, visit Cat Ba UV Index.
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In Cat Ba, Vietnam, June brings a delightful continuation of bright days, boasting an impressive 302 hours of sunshine. This month, along with May, showcases the peak of the island's sunny allure, illustrating a clear trend of increasing daylight as the year progresses. Following the dappled sunlight of early months like January and February, which recorded just 179 and 223 hours respectively, June represents a vibrant leap toward summer, embodying the essence of outdoor adventures and beach relaxation. As the sunny days begin to wane slightly into July with 298 hours, June stands out as a golden gem, making it an ideal time for travelers to bask in the warmth and beauty of this captivating destination.
When it comes to the likelihood of sunny weather in June in Cat Ba, Vietnam, the forecast isn't particularly bright, with a mere 15% chance of sunshine. This marks a notable dip compared to the earlier months of the year, such as February's robust 59%. Throughout the year, sunny days seem to be more prevalent in the winter and early spring months, gradually declining as summer approaches. Interestingly, while June sets the tone for the rainy season with a less favorable outlook, it is part of a broader pattern where the chances of clear skies continue to diminish into the deep summer months of July and August. If you're dreaming of sun-drenched days in June, it might be wise to prepare for the possibility of overcast skies and occasional rain.
In Cat Ba, Vietnam, the month of June heralds the onset of summer with an inviting daylight duration of 13 hours. This is consistent with the preceding months of May and July, all basking in ample sunshine that enhances the island's vibrant landscapes and invites outdoor adventures. As the year transitions from spring to summer, daylight gradually increases, peaking in these warmer months, creating a delightful opportunity for exploration. Following June, daylight duration begins to taper off in August and continues its descent into the fall, reminding visitors of the cyclical beauty of nature. The gradual shifts in daylight not only influence activities but also add to the rhythm of life on this picturesque island, making each visit uniquely memorable.
In June, Cat Ba, Vietnam, welcomes a gentle surge of warm breezes, reaching an average wind speed of 5.7 m/s (13 mph), marking the peak of the spring season's windy charm. This noticeable uptick from May's 5.5 m/s heralds the arrival of summer, inviting beachgoers and sailors alike to embrace the balmy conditions. Interestingly, while wind speeds gradually decline through the following months—July sees a decrease to 4.2 m/s (9 mph)—June stands out as a vibrant transition point, blending the lush, lively atmosphere of early summer with refreshing winds perfect for outdoor adventures. As the year progresses, wind speeds will fluctuate again, with a notable rise in October, suggesting a dynamic and changing coastal climate that keeps the region's allure alive year-round.
Weather in Cat Ba varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Cat Ba, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present contrasting weather patterns. In June, temperatures range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), averaging around 30°C (86°F). This month is also characterized by high humidity at 81% and significant precipitation, with about 194 mm (7.6 inches) falling over 15 days. In stark contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 24°C (75°F), and an average of 18°C (65°F). The precipitation in January is considerably lower at 34 mm (1.3 inches) over just 7 days, accompanied by a reduced humidity level of 66%. For a detailed look at January's weather, visit Cat Ba weather in January.
June and February present contrasting weather conditions. June experiences warmer temperatures, with a minimum of 24°C (76°F), an average of 30°C (86°F), and a maximum of 34°C (94°F). This month also sees significant rainfall, totaling 194 mm (7.6 in) over approximately 15 days, contributing to a high humidity level of 81%. In contrast, February is much cooler, with a minimum of 9°C (49°F), an average of 18°C (65°F), and a maximum of 24°C (75°F). Precipitation is considerably lower at 36 mm (1.4 in) across just 7 days, and humidity is relatively moderate at 71%. For more detailed information, you can check Cat Ba weather in February.
When comparing the weather in June and March, a significant contrast emerges. June boasts much warmer temperatures, with a minimum of 24°C (76°F) and an average peak of 30°C (86°F), while March experiences cooler conditions, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 27°C (80°F). Additionally, June is marked by higher humidity levels at 81% and increased precipitation, averaging 194 mm (7.6 in) over 15 days, compared to just 50 mm (2.0 in) over 13 days in March. For more details about March weather, you can check out Cat Ba weather in March.
In comparing the weather between April and June, June is significantly warmer, with average temperatures soaring to around 30°C (86°F) compared to April's more moderate average of 24°C (75°F). Additionally, June experiences higher humidity at 81%, while April maintains a lower humidity level of 64%. That said, April has less precipitation, with 84 mm (3.3 in) falling over 11 days, in contrast to June's 194 mm (7.6 in) spread across 15 days. For a closer look at what to expect, visit Cat Ba weather in April.
In May, temperatures are generally cooler with a minimum of 20°C (69°F), an average of 27°C (81°F), and a maximum of 33°C (92°F). The month experiences approximately 139 mm (5.5 in) of precipitation over 15 days, accompanied by a humidity level of 73%. In contrast, June sees slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 30°C (86°F), and a maximum of 34°C (94°F). Rainfall increases to 194 mm (7.6 in) also spread over 15 days, resulting in a higher humidity of 81%. For more detailed information on May weather, you can visit Cat Ba weather in May.
In June, the weather typically features warmer temperatures, with a minimum of 24°C (76°F) and an average of 30°C (86°F). With a maximum of 34°C (94°F), June experiences a total precipitation of 194 mm (7.6 in) over 15 rainy days, alongside a high humidity level of 81%. In contrast, July sees slightly cooler average temperatures, with a minimum of 26°C (78°F) and an average of 29°C (85°F). However, it is also significantly wetter, receiving 325 mm (12.8 in) of rain across 21 days and a higher humidity level of 90%. This makes July a month characterized by increased rainfall and humidity compared to June. For more details about July weather patterns, check out Cat Ba weather in July.
In comparing the weather of June and August, we can see some notable differences. June experiences slightly warmer average temperatures, ranging from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), while August has a minimum temperature of 25°C (78°F) and an average of 29°C (85°F). However, August sees significantly more rainfall, with precipitation levels reaching 567 mm (22.3 in) across 25 days compared to June's 194 mm (7.6 in) over 15 days. Additionally, humidity is higher in August at 89% compared to June's 81%, making the later month feel much more oppressive. For more detailed insights on August weather, you can check out Cat Ba weather in August.
In comparing the weather of June and September, both months experience warm temperatures but with noticeable differences in precipitation and humidity. In June, temperatures range from a minimum of 24°C (76°F) to a maximum of 34°C (94°F), with an average of 30°C (86°F). The month sees considerable rainfall, with 194 mm (7.6 in) over 15 days and a humidity level of 81%. In contrast, September has slightly higher minimum temperatures at 25°C (78°F) and an average of 29°C (84°F), with maximum temperatures reaching 33°C (92°F). However, it experiences significantly more rainfall, totaling 312 mm (12.3 in) over 23 days, and a comparable humidity level of 82%. For more specific insights into September weather patterns in Cat Ba, you can visit Cat Ba weather in September.
June and October present distinct weather patterns, reflecting a transition from the warmth of summer to the cooler yet humid autumn months. In June, temperatures are notably higher, with a minimum of 24°C (76°F) and an average of 30°C (86°F), reaching up to 34°C (94°F) at their peak. However, this month experiences significant rainfall, totaling 194 mm (7.6 in) over approximately 15 days, combined with a high humidity level of 81%.
In contrast, October exhibits cooler temperatures, with a minimum of 19°C (67°F) and an average of 26°C (79°F), peaking at a maximum of 32°C (90°F). Significantly, October sees an increase in precipitation, accumulating 284 mm (11.2 in) over 17 days, although the humidity slightly decreases to 77%. For more detailed insights into the weather during this month, you can check Cat Ba weather in October.
June and November present contrasting weather patterns. In June, temperatures are notably warmer, with a minimum of 24°C (76°F) and an average high of 34°C (94°F), accompanied by significant rainfall at 194 mm (7.6 in) over 15 days, resulting in high humidity levels of 81%. In contrast, November sees cooler temperatures, with a minimum of 14°C (57°F) and an average high of 28°C (83°F). Precipitation drops to 53 mm (2.1 in) spread over 10 days, and humidity decreases to 72%. For more specific insights into November weather, you can check out Cat Ba weather in November.
June and December present starkly contrasting weather conditions. In June, temperatures are warm, with a minimum of 24°C (76°F) and an average high of 34°C (94°F). The humidity is quite high at 81%, and the month sees significant rainfall, totaling 194 mm (7.6 in) over approximately 15 days. In contrast, December experiences much cooler temperatures, with a minimum of 10°C (50°F) and an average of 19°C (67°F), peaking at 26°C (80°F). Precipitation is also reduced significantly, with only 42 mm (1.6 in) of rain over about 8 days, and humidity drops to 71%. For more details on December weather, you can check Cat Ba weather in December.
In June, Cat Ba embraces the peak of summer with warm temperatures averaging around 30°C (86°F), making it an ideal time for beach lovers and outdoor enthusiasts. However, this month comes with increased humidity at 81% and frequent rainfall, with up to 15 days of precipitation contributing to the lush scenery. While the rain can occasionally disrupt plans, it also brings a refreshing respite from the heat, setting June apart from the dryer months that precede it. For a deeper understanding of what to expect throughout the year, check out Cat Ba Climate.