Last updated: August 28, 2025
March in Cat Ba, Vietnam, welcomes visitors with a pleasant climate where temperatures range from a minimum of 16°C (60°F) to a maximum of 27°C (80°F). The average temperature sits comfortably at 21°C (70°F), making it an ideal time for outdoor exploration. While the island enjoys its fair share of sunshine, expect approximately 50 mm (2.0 in) of rainfall spread over 13 days, contributing to a humidity level of 69%. This unique blend of warm weather and occasional rains creates a vibrant atmosphere, perfect for experiencing the natural beauty and diverse activities Cat Ba has to offer.
In March, Cat Ba, Vietnam, ushers in the first signs of spring, with temperatures shifting noticeably as winter's chill fades away. The minimum temperature climbs to 16°C (60°F), providing a more comfortable starting point for the day. By midday, visitors can enjoy an average temperature of 21°C (70°F), and the days can warm up to a pleasant 27°C (80°F) at their peak. This gradual increase in warmth not only marks a departure from the cooler months of January and February but also sets the stage for the rising temperatures that April brings. As the region transitions into spring, March serves as an inviting time for outdoor adventures, making it ideal for exploring Cat Ba's stunning landscapes and vibrant wildlife.
March in Cat Ba, Vietnam marks a noticeable increase in precipitation, with 50 mm (2.0 in) of rainfall recorded over 13 days. This uptick is part of a broader trend where the region transitions from the drier winter months of January and February, which see only 34 mm (1.3 in) and 36 mm (1.4 in) respectively, to the more humid spring. As the days warm and the landscape begins to bloom, the increase in rainfall sets the stage for the heavier downpours that follow in April and May. This shift indicates a movement toward the wet season, highlighting how March serves as a pivotal moment in Cat Ba's climatic cycle.
In March, Cat Ba, Vietnam, experiences a moderate humidity level of 69%, slightly lower than the preceding months of January and February, which hovered at 66% and 71%, respectively. This dip in humidity indicates a transition as the region moves into the spring months, with April seeing a continued decrease to 64%. As the year progresses, humidity levels will begin to rise again, peaking in the summer months of July and August, where they soar to a staggering 90% and 89%. Overall, the humidity trend in Cat Ba showcases a dynamic shift from mild early-year conditions to the more tropical heat and moisture of mid-year, making it a captivating destination for those eager to experience nature’s contrasts.
In March, the UV Index in Cat Ba, Vietnam reaches a striking 12, marking a shift into the extreme exposure category and reducing burn time to just 10 minutes. This trend of increasing UV levels is notable compared to the preceding months; January and February recorded indices of 8 and 10, respectively, both categorized as very high. As spring progresses into April and May, the UV index continues to hover between 12 and 13, urging outdoor enthusiasts to take extra precautions against the sun’s harsh rays. With such potent UV levels, awareness and protection become crucial during this time of year. For detailed information, visit Cat Ba UV Index.
UV Risk Categories
March in Cat Ba, Vietnam, offers a delightful glimpse of the changing seasons, with 215 hours of sunshine beckoning visitors to explore its stunning landscapes. Following February's slightly sunnier streak with 223 hours, March maintains a bright disposition, continuing the trend of increasing daylight that characterizes early spring. This gradual rise culminates in April, where the sun generously shines for a remarkable 263 hours, indicating the approach of even warmer months. Travelers can relish in this idyllic weather, as Cat Ba gears up for the vibrant summer ahead, balancing sunny days with the lush beauty of its surroundings.
In March, the likelihood of sunny weather in Cat Ba, Vietnam, significantly dips to 30%, making it one of the less sunny months of the year. This is a notable decrease from the preceding months, with February boasting a more favorable 59% chance of sunshine. Following March, the probability remains low, with April at 29% and May at 38%, suggesting that early spring in Cat Ba may be a bit gloomy compared to the auspicious sunny days of mid-winter. Overall, visitors should prepare for a mix of cloud cover and rare sunny intervals in March, as the island transitions into the more unpredictable weather patterns of the coming summer months.
As spring unfolds in Cat Ba, Vietnam, March brings a delightful increase in daylight duration, with the sun shining for 12 hours each day. This marks a shift from the steady 11 hours of daylight found in the earlier winter months of January and February, signaling the transition into a more vibrant season. Following March, daylight continues to expand into April, with the pattern stabilizing around 12 to 13 hours in the warmer months. This gradual lengthening provides ample opportunities for exploration and outdoor activities, making it an ideal time for visitors to soak up the beauty of Cat Ba's landscapes. As summer approaches, daylight maxes out at 13 hours, before tapering off again in the autumn months, creating a rhythmic cycle that highlights the region's seasonal charm.
In March, Cat Ba, Vietnam, experiences a gentle embrace of wind, with an average speed of 3.9 m/s (9 mph). This slight increase from February's 3.6 m/s (8 mph) hints at the arrival of spring, as the calming breezes start to invigorate the island. Compared to the more blustery days ahead in April and May—where speeds rise to 4.3 m/s (10 mph) and 5.5 m/s (12 mph), respectively—March serves as a transitional month, where the winds are still mild but beginning to stir, symbolizing nature's upcoming vibrancy. Overall, while March may be modest in its windy disposition, it lays the groundwork for the lively gusts that characterize the subsequent months, making it a serene yet anticipatory time to be in Cat Ba.
Weather in Cat Ba varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Cat Ba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison, March tends to be warmer than January, with minimum temperatures reaching 16°C (60°F) and average highs around 27°C (80°F), while January sees lower minimums of 10°C (50°F) and maximums of 24°C (75°F). Additionally, March experiences more precipitation, with about 50 mm (2.0 in) falling over 13 days, compared to January’s 34 mm (1.3 in) over just 7 days. Humidity levels are slightly higher in March at 69% compared to January’s 66%, making the atmosphere feel a bit more humid as the transition to spring begins. For more information on January weather in this region, visit Cat Ba weather in January.
In comparing the weather of March and February, we notice a significant increase in temperature as March experiences a minimum of 16°C (60°F) and averages around 21°C (70°F), while February has a lower minimum of 9°C (49°F) with an average of 18°C (65°F). The maximum temperatures also rise in March, reaching up to 27°C (80°F) compared to February’s peak of 24°C (75°F). Additionally, March sees more precipitation, totaling 50 mm (2.0 in) over 13 days compared to February's 36 mm (1.4 in) over just 7 days. Interestingly, although March has a slightly lower humidity level at 69%, it still maintains a comfortable climate compared to February. For specific insights into February weather patterns, you can visit Cat Ba weather in February.
In March, the weather typically features mild temperatures, with a minimum of 16°C (60°F), an average of 21°C (70°F), and a maximum reaching 27°C (80°F). The month sees around 50 mm (2.0 in) of precipitation over 13 days and experiences a humidity level of 69%. In contrast, April brings warmer conditions with temperatures ranging from a minimum of 16°C (61°F) to an average of 24°C (75°F) and a maximum of 29°C (85°F). However, April is wetter, with total precipitation increasing to 84 mm (3.3 in) over 11 days, while humidity is slightly lower at 64%. For more detailed insights on April's weather, you can visit Cat Ba weather in April.
March and May present distinct weather patterns. In March, temperatures range from a minimum of 16°C (60°F) to a maximum of 27°C (80°F), with an average of 21°C (70°F). The month experiences 50 mm (2.0 in) of precipitation over 13 days with a humidity level of 69%. In contrast, May is considerably warmer, with temperatures ranging from a minimum of 20°C (69°F) to a peak of 33°C (92°F), averaging 27°C (81°F). Additionally, May sees increased precipitation at 139 mm (5.5 in) over 15 days, along with a slight rise in humidity to 73%. For those interested in the specific conditions, you can find more details about Cat Ba weather in May.
March and June exhibit notably different weather patterns. In March, temperatures range from a minimum of 16°C (60°F) to a maximum of 27°C (80°F), with an average of 21°C (70°F). The month experiences a moderate level of precipitation at 50 mm (2.0 in) over roughly 13 days and a humidity of 69%. In contrast, June brings 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 sees significantly higher rainfall, totaling 194 mm (7.6 in) across about 15 days, along with increased humidity at 81%. For more specific details on June weather, you can refer to Cat Ba weather in June.
When comparing the weather in March and July, there is a significant contrast in temperature and precipitation. March sees milder temperatures with a minimum of 16°C (60°F) and a maximum of 27°C (80°F), while the average temperature hovers around 21°C (70°F). In contrast, July experiences much warmer conditions, with minimum temperatures reaching 26°C (78°F) and maximums hitting 33°C (92°F), averaging at 29°C (85°F). Additionally, July is notably wetter, with a staggering 325 mm (12.8 in) of precipitation over 21 days, compared to March's 50 mm (2.0 in) spread across 13 days. The humidity also increases in July, climbing to 90%, compared to March's 69%. For more detailed information on July's climate, you can check out Cat Ba weather in July.
March and August present quite contrasting weather conditions. In March, temperatures range from a comfortable minimum of 16°C (60°F) to a pleasant average of 21°C (70°F), peaking at 27°C (80°F). Precipitation is moderate, with about 50 mm (2.0 in) over 13 days, and humidity sits at a relatively comfortable 69%. In contrast, August experiences warmer weather with minimum temperatures of 25°C (78°F), averaging 29°C (85°F), and reaching highs of 34°C (93°F). The month is significantly wetter, with an average of 567 mm (22.3 in) of rainfall spread over 25 days, along with higher humidity levels of 89%. For a detailed look at August conditions, check out Cat Ba weather in August.
March and September present quite a contrast in weather conditions. In March, temperatures range from a mild 16°C (60°F) at night to a pleasant average of 21°C (70°F), peaking at 27°C (80°F) during the day. Precipitation is moderate at 50 mm (2.0 in) with rainfall occurring on about 13 days, and humidity hovering around 69%. In contrast, September experiences significantly warmer temperatures, with lows of 25°C (78°F) and highs reaching up to 33°C (92°F), leading to an average of 29°C (84°F). The month is also marked by much heavier rainfall, totaling 312 mm (12.3 in) over 23 days, and higher humidity levels at 82%. For more details on specific weather patterns, you can check Cat Ba weather in September.
In March, the weather starts to warm up with average temperatures ranging from a mild 16°C (60°F) to a pleasant 27°C (80°F), coupled with relatively low rainfall of 50 mm (2.0 in) over 13 days. The humidity stands at 69%, creating a comfortable atmosphere. In contrast, October experiences higher temperatures, with minimums of 19°C (67°F) and maximums reaching up to 32°C (90°F), averaging around 26°C (79°F). However, this month sees significantly more rainfall, totaling 284 mm (11.2 in) over 17 days, and increased humidity at 77%. For more detailed information on October weather, you can visit Cat Ba weather in October.
March and November both feature mild temperatures, but there are noticeable differences in their weather patterns. In March, the temperatures range from a minimum of 16°C (60°F) to a maximum of 27°C (80°F) with an average of 21°C (70°F). It experiences approximately 50 mm (2.0 in) of precipitation over about 13 days, accompanied by a humidity level of 69%. In contrast, November has a slightly warmer average temperature of 23°C (74°F), with a minimum of 14°C (57°F) and a maximum of 28°C (83°F). The precipitation is marginally higher at 53 mm (2.1 in) across just 10 days and a humidity level that is slightly elevated at 72%. For more details on the weather specifics, you can check out Cat Ba weather in November.
March and December exhibit distinct differences in weather patterns. In March, temperatures range from a minimum of 16°C (60°F) to a maximum of 27°C (80°F), with an average of 21°C (70°F). The month also sees an average of 50 mm (2.0 in) of precipitation over 13 days, contributing to a humidity level of 69%. Conversely, December is slightly cooler, with temperatures varying from a minimum of 10°C (50°F) to a maximum of 26°C (80°F) and an average of 19°C (67°F). Precipitation in December is lower, totaling 42 mm (1.6 in) over just 8 days, and humidity reaches a slightly higher level of 71%. For a more detailed look at December weather specifics, visit Cat Ba weather in December.
As March arrives in Cat Ba, the weather begins to shift, offering a refreshing blend of mild temperatures and increased humidity. With average highs reaching around 27°C (80°F), this month stands out for its comfortable warmth compared to the cooler winter months. While occasional rain may dampen your plans with about 50 mm of precipitation spread over 13 days, it contributes to the vibrant landscape coming to life. The humidity level hovers around 69%, creating a slightly tropical feel that's a prelude to the summer heat. March is truly a delightful time to explore this captivating island before the bustling tourist season ramps up. For more detailed information, be sure to check out Cat Ba Climate.