Last updated: August 28, 2025
April in Co To, Vietnam welcomes pleasant weather as temperatures range from a maximum of 28°C (82°F) to a comfortable average of 23°C (74°F), with nighttime lows dipping to 16°C (62°F). While the humidity sits at a moderate 71%, expect 12 days of rain totaling around 91 mm (3.6 in) during the month. This blend of warmth and intermittent showers creates an inviting atmosphere for visitors, making it an ideal time to explore the stunning landscapes and vibrant culture of this beautiful island.
In April, Co To, Vietnam, begins to feel the warmth of spring with temperatures rising noticeably compared to the earlier months. The minimum temperature settles at a comfortable 16°C (62°F), while average highs reach a pleasant 28°C (82°F). This transition to warmth is part of a clear upward trend, as the region shifts from the cooler averages of March to the balmy temperatures of May and beyond. The variability in April maintains a delightful balance, making it an inviting time for outdoor activities, with the increasing warmth promising beautiful days ahead for visitors exploring this stunning coastal destination.
In April, Co To, Vietnam, experiences a significant uptick in precipitation, recording 91 mm (3.6 in) of rain over 12 days. This marks a distinct increase compared to the earlier months—January through March saw considerably lower totals of 39 mm, 51 mm, and 57 mm, respectively. The pattern suggests a shift towards the wetter months, as May bursts forth with even more rainfall at 137 mm (5.4 in). This trend of increasing precipitation continues into the summer, culminating in the peak months of July and August, where July alone receives a staggering 435 mm (17.1 in). April serves as a pivotal moment in Co To’s annual precipitation cycle, foreshadowing the lush downpours that will characterize the following months.
In April, the humidity in Co To, Vietnam settles at a comfortable 71%, providing a pleasant environment as spring unfolds. This figure not only reflects a slight drop from March's peak of 73%, but also sets the stage for the approaching summer months. As temperatures begin to rise in May, humidity levels climb to 76%, hinting at the sultry conditions that characterize the coming summer, where the humidity soars even higher, reaching 86% in both July and August. This gradual uptick in humidity is typical in Co To, creating a humid coastal climate that emphasizes the vibrant tropical ecosystem and lends itself to the island's lush green landscapes.
In April, Co To, Vietnam experiences a notably high UV Index of 13, classifying its exposure as extreme and resulting in a burn time of just 10 minutes. This trend marks an escalation compared to previous months, as both March and April share this peak value, suggesting that sun protection is essential during this period. As temperatures rise into the summer months, the UV Index remains consistently high—hovering around 13 to 14—underscoring the importance of vigilance against UV exposure throughout the season. For those planning outdoor activities, it's crucial to stay informed about daily variations by checking the latest updates on the Co To UV Index for safe sun enjoyment.
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April in Co To, Vietnam, is a radiant month, boasting 265 hours of sunshine that invites both relaxation and adventure. As daylight grows stronger, this warm spring month marks a noticeable increase from the previous months, transitioning smoothly from 241 hours in March. The trend of rising sunshine hours continues into May, which lights up with an impressive 314 hours, delighting visitors and locals alike. This pattern of escalating sunny days not only highlights the vibrant atmosphere of Co To but also underscores its appeal as a springtime getaway, making it an ideal destination for those yearning to embrace the sun-drenched beauty of Vietnam's coastal charm.
In Co To, Vietnam, the likelihood of sunny weather sees a notable dip in April, with only 31% of the days expected to be bright and sunny. This decrease follows a comparatively sunnier February, which boasted a 63% chance and provided a taste of the sun before the arrival of spring. As the region transitions into the warmer months, May and June continue to hover around low percentages of sunshine, with 38% and a stark 16%, respectively. While April may not be the sunniest of months, travelers can still enjoy ample opportunities to soak in the beauty of Co To, with a reemergence of sunnier days expected in the latter part of the year, as November and December bring back 56% and 55% chances of bright weather.
In Co To, Vietnam, the daylight duration shows a gradual progression from the beginning of the year into spring and summer. Starting with a steady 11 hours in January and February, daylight begins to increase in March, reaching 12 hours as spring takes hold in April. This trend continues into May, where visitors can enjoy a full 13 hours of sunlight per day, embracing the vibrant beauty of the island. The longest days persist through June and July, allowing for ample opportunities for exploration and relaxation. As summer transitions to fall, the daylight subtly decreases again to 12 hours in August and September, eventually tapering off to 11 hours by October and continuing into the cooler months. This rhythmic change in daylight underscores Co To's allure throughout the year, making each season unique.
In April, Co To, Vietnam experiences a gentle breeze with an average wind speed of 4.2 m/s (9 mph), contributing to the island's serene spring atmosphere. This month marks a slight dip from March's 4.3 m/s, but is indicative of the transition towards the warmer months. As we look ahead, wind speeds begin to rise significantly in May and June, reaching 5.6 m/s (13 mph) and 6.6 m/s (15 mph) respectively, signaling the approach of summer. The generally calm April winds provide a perfect backdrop for exploring the stunning landscapes of Co To, making it an ideal time for leisurely strolls along its picturesque shores before the brisker currents of late spring and summer take hold.
Weather in Co To varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Co To, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, April generally offers warmer and more humid conditions. With average temperatures ranging from 16°C (62°F) at night to a high of 28°C (82°F), April sees a significant rise compared to January, which has a minimum of 9°C (48°F) and a maximum of 22°C (72°F). Additionally, April experiences more precipitation, with 91 mm (3.6 in) falling over 12 days, while January has only 39 mm (1.5 in) over 8 days. The humidity also rises in April to 71%, compared to 66% in January, making it feel more tropical. For more detailed information about January weather, visit Co To weather in January.
April weather is generally warmer than February, with a minimum temperature of 16°C (62°F) compared to February's 10°C (50°F). The average temperature in April reaches 23°C (74°F), while February averages at 18°C (64°F), and the maximum in April is 28°C (82°F), surpassing February's 22°C (73°F). Precipitation levels are higher in April, totaling 91 mm (3.6 in) over 12 days, compared to February's 51 mm (2.0 in) over 8 days. Despite similar humidity levels, April tends to feel much warmer due to its higher temperatures. For more details, visit Co To weather in February.
In comparing the weather of April and March, April tends to be warmer, with average temperatures rising from March's 21°C (69°F) to 23°C (74°F). The maximum temperatures also increase, reaching up to 28°C (82°F) in April, compared to March's peak of 25°C (77°F). However, April experiences significantly more rainfall, with a total of 91 mm (3.6 in) over 12 days, while March sees only 57 mm (2.2 in) during the same number of days. Interestingly, humidity levels remain relatively similar, with April at 71% and March slightly higher at 73%. For more details on the March climate, you can check Co To weather in March.
April and May bring distinct changes in weather patterns. In April, temperatures range from a mild 16°C (62°F) at night to a maximum of 28°C (82°F) during the day, while the average temperature hovers around 23°C (74°F). The month experiences 91 mm (3.6 in) of precipitation, spread over about 12 days, with humidity levels at 71%. In contrast, May heats up with minimum temperatures of 20°C (68°F) and soaring to a peak of 31°C (88°F), resulting in an average temperature of 27°C (80°F). This month is wetter, with 137 mm (5.4 in) of rainfall across 16 days and humidity rising to 76%. For more information on the weather conditions in May, you can visit Co To weather in May.
April tends to be milder, with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 28°C (82°F), making it a comfortable time of year. However, it experiences notable precipitation, with 91 mm (3.6 in) over about 12 days, and a humidity level of 71%. In contrast, June is noticeably warmer, with minimum temperatures starting at 25°C (77°F) and peaking at 32°C (90°F), averaging 29°C (85°F). This month also sees increased rainfall, totaling 252 mm (9.9 in) over 19 days, along with a higher humidity level of 79%. For more details on June conditions, you can check Co To weather in June.
April and July exhibit distinct weather characteristics, reflecting a transition from spring to summer. In April, temperatures range from a mild minimum of 16°C (62°F) to an average of 23°C (74°F), with a maximum of 28°C (82°F). The month experiences moderate rainfall, with 91 mm (3.6 in) over 12 days and a humidity level of 71%. In contrast, July is notably warmer, featuring minimum temperatures of 26°C (79°F) and averaging 29°C (85°F), peaking at 32°C (89°F). However, it also brings considerably more rain, with 435 mm (17.1 in) falling over 22 days, along with increased humidity at 86%. For more detailed information on July conditions, visit Co To weather in July.
April and August exhibit striking differences in weather patterns. In April, temperatures range from a mild minimum of 16°C (62°F) to a pleasant average of 23°C (74°F), with maximums reaching up to 28°C (82°F). This month sees moderate precipitation of 91 mm (3.6 in) over about 12 days, accompanied by a humidity level of 71%. In contrast, August experiences much warmer temperatures with a minimum of 26°C (78°F) and an average of 29°C (84°F), peaking at 32°C (89°F). The rainy season peaks in August, bringing significant precipitation of 594 mm (23.4 in) over approximately 24 days, along with higher humidity at 86%. For a detailed look at the August weather, visit Co To weather in August.
April and September feature distinct weather patterns, highlighting the transition from spring to autumn. In April, temperatures range from a comfortable minimum of 16°C (62°F) to a warm average of 23°C (74°F), peaking at 28°C (82°F). However, this month experiences significant rainfall, totaling 91 mm (3.6 in) over 12 days, combined with a humidity level of 71%. Conversely, September is warmer, with minimum temperatures starting at 25°C (77°F) and an average of 28°C (83°F), maxing out at 31°C (88°F). The month is notably wetter, receiving 360 mm (14.2 in) of rain over 22 days, and humidity rises slightly to 78%. For a closer look at September's weather, visit Co To weather in September.
April and October present distinct weather patterns. In April, temperatures range from a mild 16°C (62°F) at night to a pleasant average of 23°C (74°F) during the day, with highs reaching up to 28°C (82°F). The month experiences around 91 mm (3.6 in) of precipitation over approximately 12 days, accompanied by a humidity level of 71%. In contrast, October is warmer, with nighttime lows of 20°C (68°F), daily averages of 26°C (78°F), and peak temperatures hitting 31°C (88°F). However, this month is significantly wetter, with 273 mm (10.8 in) of rainfall occurring over 16 days, while humidity remains slightly higher at 72%. For more detailed information, you can check Co To weather in October.
April and November experience similar average temperatures, with April ranging from a minimum of 16°C (62°F) to a maximum of 28°C (82°F), while November sees slightly lower extremes with a minimum of 15°C (59°F) and a maximum of 27°C (80°F). However, April tends to be wetter, with a total precipitation of 91 mm (3.6 in) over 12 days, compared to November's 39 mm (1.5 in) over just 9 days. Humidity levels are also comparable, with April at 71% and November at 69%. For more specific insights about November weather in Co To, check out Co To weather in November.
April and December present notable contrasts in weather, with April warming up as a spring month while December ushers in cooler, more stable temperatures. In April, temperatures range from a minimum of 16°C (62°F) to a maximum of 28°C (82°F), accompanied by higher humidity at 71% and about 91 mm (3.6 in) of precipitation over 12 days. Conversely, December features milder temperatures, with a minimum of 11°C (51°F) and a maximum of 25°C (77°F), lower overall precipitation at 49 mm (1.9 in) across 10 days, and slightly reduced humidity at 70%. For more detailed information on December weather, you can visit Co To weather in December.
April on Co To Island brings milder temperatures compared to the sweltering summer months, making it an ideal time for visitors to enjoy the natural beauty of this tropical paradise. With average temperatures hovering around a comfortable 23°C (74°F) and a hint of humidity at 71%, outdoor activities are particularly enjoyable. However, adventurers should be prepared for some rain, as this month typically sees about 12 days of precipitation. Overall, April serves as a refreshing transition into the more humid months ahead, striking a balance that allows for pleasant exploration. For a more in-depth look at what to expect throughout the year, check out the Co To Climate page.