Last updated: August 28, 2025
In July, Cat Ba, Vietnam experiences a tropical climate characterized by warm temperatures and significant rainfall. The maximum temperature reaches around 33°C (92°F), while the average hovers at 29°C (85°F), making it a hot yet humid month. With a minimum temperature of 26°C (78°F), visitors should be prepared for steamy conditions. This month brings substantial precipitation, totaling 325 mm (12.8 in), spread over approximately 21 days, resulting in a high humidity level of 90%. Travelers can expect a vibrant and lush landscape, but should also be ready for frequent rain showers throughout their stay.
In July, Cat Ba, Vietnam, experiences warm and inviting temperatures, marking the peak of summer. The minimum temperature hovers around 26°C (78°F), while averages settle comfortably at 29°C (85°F), creating an ideal backdrop for outdoor adventures. With maximums reaching up to 33°C (92°F), the warmth is palpable, inviting visitors to indulge in sun-soaked beaches and vibrant marine life. This month continues the upward trend seen since May, with temperatures notably more stable than earlier in the year, making July a delightful time to explore Cat Ba's natural beauty and enjoy its lively atmosphere. As visitors navigate the island's stunning landscapes, they can relish the balmy summer days that define this enchanting locale.
In July, Cat Ba, Vietnam, experiences a significant surge in precipitation, with a staggering 325 mm (12.8 in) falling over 21 days. This marks a noticeable peak in the region's rainy season, contrasting sharply with the drier months at the beginning of the year. The increase from June's rainfall of 194 mm (7.6 in) highlights July’s critical role in the annual hydrological cycle. Following this trend, August continues the deluge with even more rain, suggesting that the summer months are characterized by heavy precipitation events. These patterns not only affect local weather but also play a vital role in the region's lush landscapes and vibrant ecosystems.
In July, Cat Ba, Vietnam experiences a high humidity level of 90%, making it one of the most humid months of the year. This peak follows a gradual increase from June's 81%, demonstrating a clear trend of rising humidity throughout the warmer months. Prior to July, the humidity steadily climbed from 64% in April to 73% in May, suggesting that the heat and moisture are on the rise as summer unfolds. The humidity begins to slightly decline in August, dropping to 89%, but remains elevated compared to the drier winter months that see averages closer to the low seventies. As such, those visiting Cat Ba in July should be prepared for a warm and sticky atmosphere that is characteristic of tropical climates during this time of year.
In July, Cat Ba, Vietnam, experiences a consistently high UV Index, maintaining a level of 13, which falls into the extreme exposure category. This means that sun exposure can lead to skin burns in just 10 minutes, urging residents and visitors alike to prioritize sun safety. This trend of elevated UV levels continues from June through August, creating a peak period for sun intensity that demands vigilant sun protection measures. Following this summer surge, the UV Index begins to gradually decline in September and October, but remains notable at 11 in October, indicating that UV awareness remains essential. For more detailed information on UV levels, visit Cat Ba UV Index.
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In July, Cat Ba, Vietnam, enjoys a splendid 298 hours of sunshine, making it one of the sunniest months of the year. Following a bustling June with 302 hours, the warmth continues, though slightly tempered as summer peaks. This consistent sun exposure underscores the island’s allure for travelers seeking outdoor adventures. As the year progresses, July stands out in a trend of increasing daylight, with the exception of August's decline to 262 hours, hinting at the ebbing summer. Overall, the sunshine records demonstrate a vibrant summer season, inviting visitors to bask in the beauty of Cat Ba's landscapes.
In Cat Ba, Vietnam, the chance of sunny weather in July dips to a modest 25%, making it one of the less favorable months for those seeking golden rays. This trend is reflective of a broader pattern, where the summer months of June and August also experience low probabilities of sunshine at 15% and 14%, respectively. Conversely, the year begins brightly, with January and February boasting higher chances of sunshine at 46% and 59%. As the months progress towards summer, though, the likelihood of clear skies wanes, highlighting the unique weather characteristics of this beautiful coastal region. If you're planning a trip in July, be prepared for some cloudy days, but don't let that deter you from enjoying the breathtaking beauty of Cat Ba's landscapes!
In Cat Ba, Vietnam, July enjoys a delightful 13 hours of daylight, maintaining the robust sunlight trend established in the preceding months of May and June. As summer reaches its peak, the daylight remains stable, offering ample opportunity for exploration and outdoor activities. Following July, the daylight begins to gently taper off in August and September, reverting to 12 hours, before further diminishing as autumn approaches. This gradual decline sets the stage for the shorter days of winter, where daylight drops to 10 hours in December. Overall, July stands out as part of a vibrant summer landscape, perfect for soaking up the sun before the days grow shorter.
In July, Cat Ba, Vietnam, experiences a gentle breeze with an average wind speed of 4.2 m/s (9 mph), slightly lower than the dynamic gusts of the preceding months. This mid-summer month typically enjoys a comforting balance, as winds gradually ease from their peak in June at 5.7 m/s (13 mph). Historically, July's conditions herald the tail end of an upward trend in wind speed, which peaks again in October at 6.0 m/s (13 mph). As the season shifts, the winds serve as a reminder of the island’s vibrant climate, blending warmth with refreshing airflow, making it a lovely time to explore its beautiful landscapes and enjoy the tranquil atmosphere.
Weather in Cat Ba varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Cat Ba, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present a stark contrast in weather conditions. During July, temperatures soar with a minimum of 26°C (78°F) and an average of 29°C (85°F), reaching highs of 33°C (92°F). This month is also marked by significant rainfall, averaging 325 mm (12.8 in) over 21 days, coupled with a high humidity level of 90%. In comparison, January offers a much cooler climate with minimum temperatures around 10°C (50°F) and averages of 18°C (65°F), peaking at a comfortable 24°C (75°F). Precipitation is significantly lower in January, with only 34 mm (1.3 in) of rainfall occurring over just 7 days, and humidity drops to 66%. For more detailed information about the January climate, visit Cat Ba weather in January.
July and February exhibit distinctly different weather patterns. In July, the temperatures soar with an average of 29°C (85°F), reaching peak highs of 33°C (92°F), while February remains much cooler, with average temperatures around 18°C (65°F) and maximums only reaching 24°C (75°F). July experiences significant rainfall, with 325 mm (12.8 in) spread over 21 days, resulting in high humidity levels of 90%. In contrast, February sees minimal precipitation at just 36 mm (1.4 in) over 7 days, coupled with a lower humidity of 71%. For more detailed information, you can explore Cat Ba weather in February.
In comparing the weather of July and March, it's clear that July experiences much higher temperatures, with average highs reaching 33°C (92°F) compared to March's maximum of 27°C (80°F). Additionally, July is characterized by a significantly higher level of precipitation, registering 325 mm (12.8 in) over 21 days, while March sees only 50 mm (2.0 in) over 13 days. The humidity levels also differ notably, with July's humidity at 90%, creating a much muggier atmosphere than March's more bearable 69%. For a more detailed look at what to expect weather-wise during March, check out Cat Ba weather in March.
July and April offer distinctly different weather patterns. In July, temperatures soar with a minimum of 26°C (78°F) and an average of 29°C (85°F), reaching highs of up to 33°C (92°F). This month is characterized by high humidity at 90% and considerable precipitation, totaling 325 mm (12.8 in) over 21 rainy days. In contrast, April presents a milder climate, with minimum temperatures at 16°C (61°F), an average temperature of 24°C (75°F), and a maximum of 29°C (85°F). April experiences significantly less rainfall, with 84 mm (3.3 in) across 11 days and a lower humidity level of 64%. For more details on April weather, check out Cat Ba weather in April.
July and May both experience similar maximum temperatures, reaching up to 33°C (92°F), but July tends to be hotter on average, with temperatures ranging from a minimum of 26°C (78°F) to an average of 29°C (85°F). In contrast, May has slightly cooler temperatures, with a minimum of 20°C (69°F) and an average of 27°C (81°F). Additionally, July is significantly wetter, with 325 mm (12.8 in) of precipitation over 21 days, compared to May's 139 mm (5.5 in) over 15 days. The humidity also rises in July, averaging 90%, while May's humidity is more moderate at 73%. For more detailed information, check Cat Ba weather in May.
In comparing the weather conditions of June and July, July tends to be slightly warmer, with average temperatures reaching 29°C (85°F) compared to June's average of 30°C (86°F). However, July experiences higher minimum (26°C vs. 24°C) and maximum temperatures (33°C compared to June's 34°C). Notably, July also sees a significant increase in precipitation, with 325 mm (12.8 in) recorded over 21 days, while June has only 194 mm (7.6 in) over 15 days. Additionally, humidity in July is higher at 90%, compared to June's 81%. For more details on June's weather, you can visit Cat Ba weather in June.
In July, the weather features a minimum temperature of 26°C (78°F), with an average of 29°C (85°F) and a maximum of 33°C (92°F). The month also sees considerable rainfall, with 325 mm (12.8 in) of precipitation over 21 days and high humidity levels reaching 90%. In contrast, August has slightly cooler mornings, with a minimum temperature of 25°C (78°F), but slightly hotter afternoons with a maximum temperature of 34°C (93°F). August experiences even more rainfall, totaling 567 mm (22.3 in) across 25 days, while humidity remains similar at 89%. For more detailed weather insights, you can visit Cat Ba weather in August.
In July, the weather is characterized by slightly higher humidity at 90% and significant rainfall, with an average of 325 mm over 21 days. The temperatures remain warm, with minimums around 26°C and maximums reaching 33°C. In contrast, September sees a slight decrease in humidity to 82% and a marginally lower total precipitation of 312 mm over 23 days. Despite these changes, temperatures stay consistent, with an average around 29°C. For more details on what to expect during this month, check out Cat Ba weather in September.
July and October weather show notable differences in temperature and precipitation. In July, temperatures are consistently warmer, with a minimum of 26°C (78°F) and an average of 29°C (85°F), reaching highs of 33°C (92°F). This month also experiences significant rainfall, with 325 mm (12.8 in) of precipitation spread over 21 days, accompanied by high humidity levels of 90%. In contrast, October offers a more moderate climate, featuring a minimum temperature of 19°C (67°F) and an average of 26°C (79°F), with a maximum of 32°C (90°F). Although October still sees a considerable amount of rain at 284 mm (11.2 in) over 17 days, the humidity drops to a more comfortable 77%. For more detailed insights on October weather, visit Cat Ba weather in October.
In July, the weather is notably hot and humid, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 33°C (92°F). The month experiences significant rainfall, totaling 325 mm (12.8 in) over 21 days, leading to a high humidity level of 90%. In contrast, November offers a much milder climate, where temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), with an average of 23°C (74°F). Precipitation drops significantly to 53 mm (2.1 in) over just 10 days, and humidity levels decrease to 72%. This stark difference makes November a more pleasant time to visit. For more detailed insights, check out Cat Ba weather in November.
When comparing the weather in July and December, it's clear that they present stark contrasts. July is characterized by a hot and humid climate, with average temperatures peaking at 29°C (85°F) and reaching highs of 33°C (92°F). This month sees significant rainfall, totaling around 325 mm (12.8 in) over 21 days, contributing to a muggy atmosphere with humidity levels around 90%. In contrast, December offers a much cooler experience, with average temperatures dropping to 19°C (67°F) and maximums reaching 26°C (80°F). Precipitation is significantly reduced, totaling just 42 mm (1.6 in) over 8 days, and humidity levels decrease to a more comfortable 71%. For those interested in more specific details, you can explore Cat Ba weather in December.
In July, Cat Ba experiences hot and humid weather, with temperatures peaking at a sultry 33°C (92°F) and an average of 29°C (85°F) that sets it apart from the milder conditions of other months. This peak summer month also brings considerable rainfall, with approximately 21 days contributing to a notable total of 325 mm (12.8 in) of precipitation, significantly affecting outdoor activities. The high humidity, often reaching around 90%, adds to the discomfort, making it essential for visitors to prepare for the moist and tropical atmosphere. For a deeper dive into the yearly weather patterns, check out the detailed Cat Ba Climate information.