Last updated: August 28, 2025
In Hoi An, Vietnam, the month of August brings a distinct tropical charm characterized by warm temperatures averaging around 30°C (86°F). Daily highs can reach a sizzling 36°C (97°F), while the nights cool down to a comfortable 25°C (78°F). However, visitors should be prepared for frequent rainfall, with an average precipitation of 142 mm (5.6 in) spread over 19 days and humidity levels hovering at a near-saturated 87%. This blend of heat and moisture creates a lush atmosphere, enhancing Hoi An's vibrant landscapes and rich cultural experiences, making it an intriguing destination for travelers.
In August, Hoi An experiences warm and inviting temperatures, with lows of 25°C (78°F) and average highs reaching 36°C (97°F). This month marks the peak of summer, where the heat is palpable but often balanced by gentle breezes and occasional rain showers. As summer transitions towards autumn, visitors can expect steady warmth, making it ideal for exploring the town's picturesque streets or relaxing by the beach. Compared to previous months, August holds steady with an average of 30°C (86°F), similar to July, while maintaining a comfortable atmosphere for both locals and travelers alike. This inviting warmth, combined with the vibrant culture of Hoi An, ensures that August remains a memorable time to experience the city's charm.
In August, Hoi An experiences a significant amount of rainfall, with an average precipitation of 142 mm (5.6 in) falling over approximately 19 days. This marks a slight decrease from the previous month's total but still contributes to the region's lush, green landscape. The month serves as a transition toward the more intense precipitation seen in September, which averages 246 mm (9.7 in), and then peaks in October. As the summer monsoon peaks, visitors can expect a mix of sunny spells and refreshing downpours, making August a vibrant yet wet period in this charming Vietnamese town.
August in Hoi An, Vietnam, is characterized by a notable increase in humidity, reaching 87%, which marks a peak for the summer months. This trend is quite consistent, as the humidity builds gradually from 75% in April, surging to 85% in both June and July. Following August, humidity continues to rise, hitting 88% in September and escalating further to 90% by October. This pattern indicates a seasonal cycle where the humid climate not only enhances the lush green landscapes but also emphasizes the need for visitors to prepare for the sticky heat as the summer culminates. Overall, August serves as a pivotal point in Hoi An's humidity graph, setting the stage for the moist conditions that define the city's tropical climate.
In August, Hoi An experiences a notably high UV Index of 14, categorizing it as extreme and necessitating careful sun protection as the burn time is a brief 10 minutes. This month continues the trend seen since February, where the UV levels have remained consistently high, peaking at 15 in April. With the UV Index stabilizing around 14 from March through August, visitors and locals must stay vigilant, employing sunscreen and protective clothing when outdoors. As summer peaks, Hoi An's sun intensity reminds us of the importance of safeguarding our skin against prolonged exposure. For more detailed insights on the UV Index throughout the year, check out Hoi An UV Index.
UV Risk Categories
August in Hoi An, Vietnam, basks in a delightful 318 hours of sunshine, blending seamlessly into a summer that has been rich with light. As the month unfolds, visitors can enjoy an extension of the peak sunning period that began in May with an impressive 329 hours. This slight decline in daylight hours from July's 317 hours still promises plenty of bright days, making August an ideal time for exploring Hoi An’s enchanting lantern-filled streets and picturesque beaches. As summer wanes, the sunny disposition remains steadfast, creating an inviting atmosphere for travelers seeking both adventure and relaxation.
In Hoi An, Vietnam, the likelihood of sunny weather experiences notable fluctuations throughout the year. August offers a modest 22% chance of sunshine, which is slightly lower than the preceding months of June and July, both hovering around the 29% mark. This decline in sunny days contrasts sharply with the early months of the year, where February boasts a much brighter 55% likelihood. As the rainy season approaches, the chance of sun gradually diminishes, highlighting a trend where mid-year often brings less reliable weather. Visitors planning an August trip should be prepared for a mix of sunshine and rain, making flexibility key to enjoying this charming coastal destination.
In August, Hoi An enjoys a delightful 12 hours of daylight, maintaining the trend of consistent daylight seen throughout the summer months. Following a peak of 13 hours in June, daylight hours gradually taper off, but August remains vibrant and bright, offering ample time for exploration of its scenic landscapes and cultural treasures. This pattern of 12 hours continues into September, creating a lovely transition into the cooler fall months where daylight gradually decreases. Overall, the shift from longer summer days to shorter autumn evenings is subtle, ensuring that visitors can revel in Hoi An’s charm throughout the season.
In August, the gentle winds of Hoi An, Vietnam continue the season's trend, with an average wind speed of 2.4 m/s (5 mph). While the breezes are not as strong as in the bustling months of October and November, where speeds pick up to 3.3 m/s and 3.5 m/s respectively, August's subtle currents provide a soothing backdrop to this historic town. The dip in wind activity from July’s 2.6 m/s indicates a seasonal lull as summer transitions to the onset of autumn. As one takes a leisurely stroll through the lantern-lit streets or along the riverbanks, the soft, warm winds serve as a gentle reminder of the changing seasons, enhancing the charm and tranquility that Hoi An is famed for.
Weather in Hoi An varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Hoi An, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present contrasting weather patterns, with August typically being warmer and more humid. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 36°C (97°F), accompanied by high humidity at 87% and substantial rainfall of 142 mm (5.6 in) over 19 days. In comparison, January offers a milder climate, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (84°F). The month experiences slightly higher precipitation at 161 mm (6.4 in) also over 19 days, and humidity remains comparable at 86%. For more specifics on January weather, you can explore Hoi An weather in January.
August brings a sweltering warmth with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 36°C (97°F), making it the hottest month of the year. This heat is accompanied by significant rainfall, totaling 142 mm (5.6 in) over 19 days, and high humidity levels of 87%, creating a humid tropical atmosphere. In contrast, February presents a more temperate climate, with temperatures ranging from a cooler minimum of 16°C (61°F) to a maximum of 30°C (85°F) and an average of 22°C (73°F). The month experiences less precipitation at 84 mm (3.3 in) over 12 days, with slightly lower humidity at 83%, resulting in a more comfortable environment. For a detailed look at weather conditions during this time, visit Hoi An weather in February.
When comparing the weather in August and March, notable differences emerge. In August, the temperatures are warmer, with minimums around 25°C (78°F) and maximums reaching up to 36°C (97°F), while March is milder, with temperatures ranging from 19°C (67°F) to 31°C (89°F). Additionally, August experiences significantly higher humidity at 87% compared to March's 78%, contributing to a more oppressive atmosphere. Precipitation levels also differ, with August seeing about 142 mm (5.6 in) over 19 days, compared to March's 80 mm (3.2 in) across 11 days. For more details, you can check the Hoi An weather in March.
When comparing the weather in August and April, it's clear that August is hotter and more humid. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 36°C (97°F), with an average of 30°C (86°F). The month also experiences a significant amount of rainfall, with 142 mm (5.6 in) over 19 days and a humidity level of 87%. In contrast, April is milder, with temperatures ranging from 20°C (69°F) to 34°C (94°F) and an average of 26°C (80°F). Precipitation is also lower in April, totaling 79 mm (3.1 in) over 10 days, accompanied by a humidity level of 75%. For more details, you can check Hoi An weather in April.
When comparing the weather in August and May, both months experience relatively warm temperatures, with highs reaching up to 36°C (97°F) in August and 36°C (96°F) in May. However, August tends to be slightly hotter on average, with temperatures ranging from a minimum of 25°C (78°F) to an average of 30°C (86°F), compared to May’s range of 23°C (74°F) to 29°C (84°F). Precipitation levels are also higher in August, with 142 mm (5.6 in) falling over 19 days, while May sees 108 mm (4.3 in) across 14 days. The humidity is notably higher in August at 87%, compared to 80% in May, making the heat feel more intense during the later summer month. For more details on May weather, you can check Hoi An weather in May.
In comparing the weather between August and June, both months experience high temperatures, but there are notable differences. August features a minimum temperature of 25°C and an average of 30°C, while June has a slightly higher minimum of 26°C and a comparable average of 30°C. The maximum temperature in June reaches 37°C, slightly higher than August's 36°C. However, August is characterized by significantly more rainfall, with 142 mm over 19 days compared to June's 69 mm over 13 days. Humidity levels are quite similar, with August at 87% and June at 85%. For more detailed insights, you can check Hoi An weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with July having a minimum of 26°C (79°F) and August slightly cooler at 25°C (78°F). The average temperature remains consistent at 30°C (86°F) for both months, while the maximum temperature peaks at 36°C (97°F) in each. However, August experiences a slight increase in precipitation, with 142 mm (5.6 in) over 19 days compared to July's 146 mm (5.8 in) over 18 days. Humidity also rises in August, averaging 87% compared to July’s 85%, contributing to a more muggy atmosphere as summer progresses. For more detailed information, you can visit Hoi An weather in July.
In August, the weather is quite warm with average temperatures around 30°C (86°F) and maximums reaching up to 36°C (97°F). The month sees considerable rainfall, with 142 mm (5.6 inches) falling over 19 days, and humidity levels are notably high at 87%.
In contrast, September experiences slightly cooler average temperatures, dropping to 29°C (84°F), with maximum temperatures peaking at 34°C (94°F). However, it is also wetter, receiving 246 mm (9.7 inches) of rain over 23 days, resulting in a humidity of 88%.
For further details on the climate specifics during this time, you can check Hoi An weather in September.
In August, the weather is characterized by high temperatures, with averages around 30°C (86°F), while it can soar up to a maximum of 36°C (97°F). The month experiences significant rainfall, totaling 142 mm (5.6 in) across 19 days, combined with high humidity levels at 87%. In contrast, October sees slightly cooler temperatures, with an average of 27°C (80°F) and a maximum of 32°C (90°F). However, it is marked by a substantial increase in rainfall, amounting to 533 mm (21.0 in) over 25 days and a slight rise in humidity to 90%. The pronounced shift towards wetter conditions in October highlights the transition in weather patterns. For more specific insights about the climate, you can explore Hoi An weather in October.
August and November present notably different weather patterns. August experiences warmer temperatures, with an average of 30°C (86°F) and highs reaching up to 36°C (97°F), while November cools down to an average of 25°C (77°F), peaking at 30°C (85°F). However, November is significantly wetter, receiving 596 mm (23.5 in) of precipitation over 23 days compared to August's 142 mm (5.6 in) spread across 19 days. Humidity is also slightly higher in November at 91% versus August's 87%, making the latter month feel a bit hotter. For more detailed insights, you can visit Hoi An weather in November.
In August, the weather is characterized by high temperatures, with a minimum of 25°C (78°F) and an average of 30°C (86°F), peaking at 36°C (97°F). Despite the heat, the month sees significant rainfall, totaling 142 mm (5.6 in) over 19 days, alongside high humidity levels of 87%. In contrast, December offers a cooler climate with temperatures ranging from a minimum of 18°C (64°F) to an average of 23°C (73°F) and a maximum of 28°C (83°F). However, it experiences even more precipitation, reaching 355 mm (14.0 in) spread over 24 days, while humidity remains slightly elevated at 89%. For more details on the weather patterns, you can check Hoi An weather in December.
In August, Hoi An experiences a warm and humid climate, with average temperatures hovering around 30°C (86°F), making it one of the hotter months of the year. While the days can peak at a sweltering 36°C (97°F), the high humidity at 87% can make it feel even warmer, creating a sticky ambience. However, it's also a month marked by frequent rainfall, with nearly 19 days of precipitation and a total of 142 mm (5.6 in), setting it apart from the drier months. This blend of heat and moisture means visitors should prepare for both sunny spells and sudden downpours. For more in-depth insights into what to expect throughout the year, visit Hoi An Climate.