Last updated: August 28, 2025
May in Co To, Vietnam brings a delightful blend of warmth and humidity, with maximum temperatures reaching a cozy 31°C (88°F) and an average of 27°C (80°F). The month tends to be quite wet, featuring 137 mm (5.4 in) of rainfall over approximately 16 days, creating a lush and vibrant atmosphere. With humidity levels hovering around 76%, visitors can expect a tropical experience, making May a captivating time to explore the island’s natural beauty and rich culture.
In May, Co To, Vietnam, experiences a significant shift towards warmer temperatures, with minimums at 20°C (68°F) and a soaring average of 27°C (80°F). The maximum temperatures reach an inviting 31°C (88°F), making it an ideal time for beachgoers and outdoor enthusiasts to explore the stunning landscapes. This month marks a notable transition from the cooler spring months, as temperatures rise steadily from April’s mild averages, indicating the approach of summer. With humidity levels increasing, May offers a vibrant atmosphere perfect for enjoying the island's natural beauty while soaking up the sun. Overall, it’s a thrilling time to visit Co To, blending warmth with the tranquil charm of coastal life.
In May, Co To, Vietnam, experiences a significant uptick in precipitation, with 137 mm (5.4 in) of rain falling over 16 days. This marks a noticeable increase compared to the preceding months, where rainfall was relatively light, culminating in 91 mm (3.6 in) in April. As the region transitions into the monsoon season, the wetter conditions set the stage for June, which sees even higher rainfall levels. The pattern indicates a steady escalation, as May's showers pave the way for the heavier rains of summer, reflecting the tropical climate's characteristic shift towards more intense precipitation in the months to follow.
In Co To, Vietnam, the weather takes a noticeable turn as May arrives, bringing with it a humidity level of 76%. This marks a peak in a gradual upward trend that begins in early spring; after starting the year at a relatively comfortable 66% in January, humidity steadily increases, with a slight dip in April bringing it back to 71%. As summer approaches, the trend continues to rise sharply, culminating in the hotter, more humid months of June and July, both hitting 79% and 86%, respectively. This progressive shift signifies the onset of the tropical climate, highlighting how May serves as a transitional phase, setting the stage for the intensifying humidity that characterizes the region's summer.
In Co To, Vietnam, May marks the continuation of extreme UV Index levels with a notable value of 13, matching the previous month and remaining consistent with the increasing trend observed since March. During this month, exposure is categorized as extreme, with a minimal burn time of just 10 minutes. As the year progresses, visitors should be vigilant about sun protection, especially as the UV Index peaks in the summer months of July and August. With the UV Index remaining elevated throughout late spring, it's crucial to plan outdoor activities wisely. For more detailed information on UV exposure, check out the Co To UV Index.
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As spring melds into summer, May in Co To, Vietnam, shines particularly bright with 314 hours of glorious sunshine, making it the sunniest month of the year. This radiant peak follows a steady climb from January's modest 185 hours, highlighting the transition from winter's chill to the vibrant warmth of late spring. The sunshine continues to be generous, with June and July also basking in outstanding sunlight, but they inevitably taper off slightly as laid-back August ushers in 273 hours. This increasing trend leading up to May reflects not only a welcome invitation for beach outings and exploration but also sets the stage for summer adventures against the stunning backdrop of Co To's idyllic landscapes.
In Co To, Vietnam, the likelihood of sunny weather in May shows a slight decline compared to earlier months, with a 38% chance of sunshine. This pattern follows a trend evident from April, which only offers a 31% chance, suggesting that the transition into the summer months is marked by fluctuating weather. Notably, January and February stand out with their higher probabilities of sunny days, reaching 51% and 63%, respectively. As the year progresses into June with just 16% sun likelihood, it becomes clear that May serves as a transitional period, a time when the island's charm must compete with the unpredictability of the season. Overall, while May sees a modest chance of sunny weather, early birds and adventure seekers can enjoy the lingering warmth before the more overcast months ahead.
As May arrives in Co To, Vietnam, the length of daylight reaches its peak at 13 hours, marking a delightful transition into longer days that continues into June and July. This gradual increase from 11 hours in January and February to 12 hours in March and April illustrates the steady approach of summer, allowing for more sunshine and outdoor activities. As the months progress towards autumn, daylight gradually tapers back to 12 hours in August and 11 hours in October, providing a seamless shift into the cooler months. The beauty of Co To's climate is evident in this rhythmic dance of time, where each month offers a unique ambiance that beckons for exploration and appreciation of the stunning natural landscape.
In May, Co To, Vietnam, welcomes a refreshing average wind speed of 5.6 m/s (13 mph), mirroring the breezy conditions of January. This month marks a transitional moment as the coastal winds begin to pick up, paving the way for the summer months ahead. Notably, June sees a peak in wind speed at 6.6 m/s (15 mph), creating an ideal atmosphere for outdoor activities and water sports. As the year progresses, the fluctuations in wind strength illustrate a dynamic coastal ecosystem, where the gentle breezes of early months give way to more robust gusts by the fall. With October's winds soaring to 8.2 m/s (18 mph), it's clear that May serves as a pivotal point in this yearly rhythm, setting the stage for the island's invigorating summer and autumn seasons.
Weather in Co To varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Co To, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather conditions. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 31°C (88°F), averaging around 27°C (80°F), making it notably warmer. The month also sees a significant amount of rainfall, totaling 137 mm (5.4 in) over 16 days, and a higher humidity level of 76%. In contrast, January features cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 22°C (72°F), averaging 17°C (63°F). Precipitation is much lighter, at just 39 mm (1.5 in) over 8 days, coupled with a lower humidity of 66%. For more detailed insights, you can check Co To weather in January.
The weather in May is notably warmer than in February, with average temperatures reaching 27°C (80°F) compared to February's cooler average of 18°C (64°F). May also experiences higher humidity at 76%, while February has a more comfortable humidity level of 71%. Additionally, May is characterized by increased rainfall, with 137 mm (5.4 in) falling over 16 days, in stark contrast to February's milder 51 mm (2.0 in) over just 8 days. For a detailed overview of February's conditions, you can visit Co To weather in February.
In May, the weather is significantly warmer, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 31°C (88°F), while the average temperature hovers around 27°C (80°F). In contrast, March experiences milder conditions, with temperatures ranging from 15°C (60°F) to 25°C (77°F) and an average of 21°C (69°F). While May brings increased humidity levels at 76% and more precipitation, totaling 137 mm (5.4 in) over 16 days, March is relatively drier with only 57 mm (2.2 in) of rain across 12 days and a lower humidity of 73%. For more details on March's weather, visit Co To weather in March.
In comparing the weather of April and May, May tends to be warmer and more humid. The minimum temperature in May is 20°C (68°F) compared to April's 16°C (62°F), with average temperatures reaching 27°C (80°F) in May versus April's 23°C (74°F). Additionally, May experiences higher maximum temperatures of 31°C (88°F) compared to April’s 28°C (82°F). However, May also brings increased precipitation, totaling 137 mm (5.4 in) over 16 days, whereas April sees 91 mm (3.6 in) across just 12 days. The humidity levels are also higher in May at 76%, compared to 71% in April. For more detailed weather information, you can check Co To weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 31°C (88°F), with an average of 27°C (80°F). The month sees considerable rainfall, totaling 137 mm (5.4 in) over 16 days, while humidity levels hover around 76%. In contrast, June experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 32°C (90°F), averaging 29°C (85°F). However, this month is also wetter, with precipitation reaching 252 mm (9.9 in) across 19 days and a marginal increase in humidity at 79%. For more detailed insights on June weather, consider visiting Co To weather in June.
In comparing the weather of May and July, it's clear that July tends to be warmer and more humid. May experiences a minimum temperature of 20°C (68°F) and averages around 27°C (80°F), peaking at 31°C (88°F). However, it also sees notable precipitation, with 137 mm (5.4 in) falling over 16 days and a humidity level of 76%. Conversely, July has a warmer minimum temperature of 26°C (79°F) and averages 29°C (85°F), with highs reaching 32°C (89°F). This month is characterized by significantly higher rainfall, accumulating 435 mm (17.1 in) over 22 days and a humidity level that rises to 86%. For more details on July weather in Co To, you can visit Co To weather in July.
May and August present distinct weather patterns, with August being notably warmer and wetter. In May, temperatures range from a minimum of 20°C to a maximum of 31°C, with an average of 27°C. The month sees a significant amount of precipitation, totaling 137 mm over 16 days, and the humidity level hovers around 76%. In contrast, August experiences higher temperatures, with a minimum of 26°C and an average of 29°C, peaking at 32°C. The rainfall also increases substantially to 594 mm spread over 24 days, and humidity rises to 86%. For more detailed information on August weather conditions, you can visit Co To weather in August.
In May, the weather is characterized by mild temperatures, with a minimum of 20°C (68°F) and an average high of 31°C (88°F). Precipitation is moderate, totaling 137 mm (5.4 in) across 16 rainy days, and humidity averages around 76%. In comparison, September’s weather sees slightly warmer temperatures, with a minimum of 25°C (77°F) and similar maximums reaching 31°C (88°F). However, precipitation significantly increases to 360 mm (14.2 in) over 22 days, and humidity rises slightly to 78%. This shift to more rainfall and humidity makes September noticeably wetter than May, which can impact outdoor activities. For more details on the weather in September, visit Co To weather in September.
May and October exhibit similar temperature ranges, with both months featuring a minimum of 20°C (68°F) and a maximum that reaches up to 31°C (88°F). However, May typically enjoys a slightly higher average temperature of 27°C (80°F), compared to October's 26°C (78°F). When it comes to precipitation, October is notably wetter, receiving 273 mm (10.8 in) over 16 days, whereas May sees 137 mm (5.4 in) during the same number of days. Even with the increased rainfall in October, humidity levels remain relatively close, with May at 76% and October at 72%. For more details on October weather, check out Co To weather in October.
May typically brings warmer temperatures compared to November, with minimums around 20°C (68°F) and maximums reaching up to 31°C (88°F). In contrast, November sees milder temperatures, ranging from a minimum of 15°C (59°F) to a maximum of 27°C (80°F). Additionally, May experiences significantly more rainfall, with around 137 mm (5.4 in) spread over 16 days, while November has much lighter precipitation, totaling 39 mm (1.5 in) over just 9 days. Humidity levels also tend to be higher in May at 76%, compared to November's 69%. For more insights about November weather, you can check Co To weather in November.
May and December present distinct contrasts in weather conditions. In May, temperatures are warmer, ranging from a minimum of 20°C (68°F) to a maximum of 31°C (88°F) with an average of 27°C (80°F). The month is also marked by higher precipitation, totaling 137 mm (5.4 in) over 16 rainy days, accompanied by a humidity level of 76%. In contrast, December features cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 25°C (77°F), averaging 18°C (66°F). Precipitation drops significantly to 49 mm (1.9 in) over just 10 days, and humidity levels decrease slightly to 70%. For more details about December weather, you can check Co To weather in December.
May in Co To brings a comfortable warmth with temperatures typically rising from a pleasant 20°C to a peak of 31°C, making it warmer than the preceding months. The humidity hovers around 76%, contributing to a lush environment, though occasional rain showers add to the island's charm with about 16 days of precipitation. With an average temperature of 27°C, May marks a transition into the summer heat, offering a delightful blend of sun and refreshing coastal breezes. For a deeper understanding of the climate nuances throughout the year, visit Co To Climate.