Last updated: August 28, 2025
July in Hanoi, Vietnam is characterized by a sweltering climate, with temperatures soaring to a maximum of 39°C (103°F) and an average heat lingering around 30°C (86°F). The month brings about high humidity levels of 90%, making the air feel even warmer. Rainfall is frequent, with approximately 260 mm (10.2 in) of precipitation spread across 21 days, creating a lush and vibrant atmosphere. Visitors are advised to stay hydrated and seek shade to cope with the summer's intensity while enjoying the city's unique charm.
In July, Hanoi experiences a significant increase in temperatures, marking the peak of the summer season. The minimum temperature settles at a warm 25°C (78°F), while the average temperature hovers around a balmy 30°C (86°F), reflecting the city's transition into its hottest months. With a maximum temperature reaching up to 39°C (103°F), the heat can be quite intense, but it’s often accompanied by occasional rain, providing some relief from the oppressive warmth. This trend of rising temperatures is consistent from May through August, making July one of the warmest months in Hanoi. Those venturing into the city during this time should prepare for the heat while also savoring the vibrant atmosphere that summer brings.
In July, Hanoi experiences a significant surge in precipitation, with an impressive 260 mm (10.2 in) of rainfall spread over 21 days. This marks not only a peak for the month but also sets the stage for one of the rainiest periods of the year, transitioning from the relatively gradual increases seen in the earlier months. Following June's substantial 189 mm over 15 days, July's downpours intensify, indicating a shift towards the arrival of the monsoon season. The rains continue into August, where they reach an even greater height at 378 mm (14.9 in). It's evident that July serves as a pivotal month in Hanoi's climatological rhythm, characterized by widespread rainfall that nourishes the lush landscapes but also presents challenges for daily life.
In July, Hanoi, Vietnam, experiences its peak humidity at a staggering 90%, making it one of the most humid months of the year. This significant rise is part of a clear upward trend, as the city transitions from the milder humidity of 64% in April to the oppressive levels seen in June and July. Following this peak, humidity begins to gradually decline, with August still holding onto 89% but marking a shift as the monsoon season approaches its end. The pattern reveals a lush, tropical climate that shapes the rhythm of life in the city, highlighting the importance of staying hydrated and cool during these steamy summer months.
In July, Hanoi experiences a UV Index of 12, placing it firmly in the extreme exposure category, which means you should be cautious, as unprotected skin can burn in just 10 minutes. This trend of high UV levels continues from June and persists through much of the summer months, with August and September also leveling off at 13. As the city transitions from the intense heat of mid-year into the slightly cooler fall, UV exposure remains significantly high, indicating that residents and visitors should stay vigilant and practice sun safety measures. For more detailed insights, check the Hanoi UV Index.
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July in Hanoi, Vietnam, baskes in an impressive 274 hours of sunshine, marking it as one of the sunniest months of the year. Following a gradual increase from March's 153 hours to the peak in May with 280 hours, the sunshine hours remain remarkably high through June and July. This vibrant stretch of warm days continues to illuminate the city, offering a delightful backdrop for outdoor activities and cultural exploration. As the summer progresses into August, the sun still shines generously with 259 hours, but a slight dip from July suggests a subtle transition in the weather. Overall, the summer months in Hanoi not only provide a substantial amount of sunshine but also create an inviting atmosphere for both locals and visitors alike.
In July, Hanoi experiences a 22% chance of sunny weather, slightly higher than the dismal sunshine probability of June at just 13%. This brief uptick hints at a shift as the city transitions into mid-summer, yet the chances of clear skies remain less favorable compared to the approaching later months. Notably, the likelihood of sunshine steadily increases towards the end of the year, with a peak in November at 36%, showcasing a clear trend where Hanoi basks in brighter days as it moves away from the summer rains. Thus, while July offers a glimmer of sunshine, outdoor enthusiasts might want to be prepared for the more unpredictable monsoon patterns typical of this season.
In Hanoi, Vietnam, July experiences a consistent daylight duration of 13 hours, mirroring the sunny days of June and May. This peak in daylight aligns perfectly with the summer season, offering residents and visitors ample opportunity to enjoy outdoor activities under the vibrant sun. Following July, as August approaches, daylight gradually diminishes to 12 hours, hinting at the transition toward autumn. Throughout the year, daylight fluctuates from a minimum of 10 hours in January and December to a maximum of 13 hours in the heart of summer, highlighting the beautiful ebb and flow of seasonal changes in this bustling city.
In July, Hanoi experiences a gentle breeze with an average wind speed of 2.0 m/s (5 mph), marking a slight drop from the previous month. This month, the calm winds reflect the peak of summer's heat, where humidity often reigns supreme. Following the upward trend in wind speeds seen from March to May, July's air might feel stifling, contrasting with the more invigorating breezes of earlier months. As the city gradually transitions into the later summer months, August is expected to see even lighter winds, resting at 1.7 m/s (4 mph). This pattern highlights a shift towards more tranquil summer evenings, inviting residents to savor the vibrant street life of Hanoi as they enjoy the warm, yet balmy atmosphere.
Weather in Hanoi varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Hanoi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, the weather in Hanoi is marked by high temperatures ranging from a minimum of 25°C (78°F) to a scorching maximum of 39°C (103°F), with an average temperature of 30°C (86°F). This month also sees significant rainfall, with 260 mm (10.2 in) of precipitation over 21 days, coupled with a high humidity level of 90%, making it feel quite sweltering. In contrast, January offers a much cooler climate, with temperatures varying from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and an average of 18°C (65°F). The precipitation is considerably lower at 58 mm (2.3 in) across just 8 days, combined with a moderate humidity of 66%. For more details on the January climate, check out Hanoi weather in January.
In July, the weather is characterized by high temperatures, with a minimum of 25°C (78°F) and an average around 30°C (86°F), soaring to a maximum of 39°C (103°F). The month is also marked by significant rainfall, totaling 260 mm (10.2 in) over 21 days, coupled with a high humidity level of 90%. In contrast, February presents a much cooler climate, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 31°C (88°F), and an average of 19°C (66°F). Rainfall is minimal at 41 mm (1.6 in) over just 7 days, and the humidity is lower at 71%. This stark difference highlights the transition from the sweltering, humid conditions of July to the milder, drier atmosphere of February. For more details, you can check Hanoi weather in February.
July and March exhibit distinct weather patterns, highlighting the transition from the wet summer to the mild early spring in Hanoi. In July, temperatures soar with an average of 30°C (86°F) and can reach as high as 39°C (103°F), coupled with high humidity levels of 90%. The month witnesses significant rainfall, with 260 mm (10.2 inches) spread across 21 days. In contrast, March offers a more comfortable climate, with average temperatures around 22°C (73°F) and a maximum of 34°C (94°F). Additionally, precipitation is considerably lower at 65 mm (2.5 inches) over 14 days, and humidity sits at a more moderate 69%. For more details on March weather, visit Hanoi weather in March.
In comparing the weather of April and July, July is notably warmer and more humid. With average temperatures reaching 30°C (86°F) and highs soaring up to 39°C (103°F), it contrasts sharply with April's milder average of 25°C (77°F) and maximum temperature of 36°C (97°F). July also experiences significantly more rainfall, with 260 mm (10.2 in) over 21 days, compared to April's 147 mm (5.8 in) across 14 days. Furthermore, the humidity level in July is considerably higher at 90%, making it feel much more oppressive than April’s 64% humidity. For a more detailed look at April’s climate, you can refer to Hanoi weather in April.
July and May present distinct weather patterns, with July generally being hotter and more humid. In July, temperatures range from a minimum of 25°C (78°F) to an average of 30°C (86°F), peaking at 39°C (103°F). This month also experiences significant rainfall, with precipitation totaling 260 mm (10.2 in) over 21 days and humidity levels reaching a steamy 90%. In contrast, May sees slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 28°C (83°F), while still hitting the same maximum of 39°C (103°F). Precipitation in May is lower at 188 mm (7.4 in) over 17 days, and the humidity is more comfortable at 73%. For more details on May's weather, check Hanoi weather in May.
In July, the weather in Hanoi features a slight increase in humidity, reaching 90%, and a minimum temperature of 25°C (78°F). The average temperature remains close to June's at 30°C (86°F), but the max temperature drops a notch to 39°C (103°F) compared to June's high of 40°C (105°F). Additionally, July experiences more rainfall, with precipitation measuring 260 mm (10.2 in) over 21 days, compared to June's 189 mm (7.4 in) over 15 days. For a detailed comparison of June's weather, visit Hanoi weather in June.
July and August in Hanoi exhibit warm temperatures with some similarities and notable differences in weather patterns. In July, the temperatures range from a minimum of 25°C (78°F) to a maximum of 39°C (103°F), with an average of 30°C (86°F). The month experiences considerable rainfall, totaling 260 mm (10.2 in) over 21 days, coupled with high humidity levels at 90%.
In contrast, August sees slightly cooler average temperatures, with a minimum of 24°C (76°F) and an average of 29°C (85°F), although the maximum remains the same at 39°C (102°F). Rainfall increases to 378 mm (14.9 in), spread over 22 days, and the humidity remains comparable at 89%. Overall, while both months are hot and humid, August tends to be wetter and a bit cooler than July. For more detailed information on the weather, check out Hanoi weather in August.
July is characterized by much hotter temperatures, with an average of 30°C (86°F) and maximums reaching up to 39°C (103°F). In contrast, September experiences slightly cooler weather, with an average of 28°C (83°F) and maximums peaking at 37°C (99°F). Both months see similar patterns in precipitation, with July receiving 260 mm (10.2 in) and September slightly less at 222 mm (8.7 in), both spread over 21 days. Humidity is also high in both months, though July is a bit more oppressive at 90% compared to September's 82%. For a more detailed look at the September weather, you can explore Hanoi weather in September.
In July, the weather is characterized by high temperatures, with a minimum of 25°C (78°F) and an average of 30°C (86°F), while it can peak at a sweltering 39°C (103°F). Additionally, July experiences significant rainfall, averaging 260 mm (10.2 in) over 21 days, paired with high humidity levels of 90%. In contrast, October sees cooler temperatures, with a minimum of 17°C (63°F) and an average of 25°C (78°F), maxing out at 34°C (94°F). Although the precipitation in October is slightly higher at 279 mm (11.0 in), it occurs over fewer days (16 days) and with reduced humidity at 77%. For more insights, check out Hanoi weather in October.
In July, the weather is characterized by high temperatures, with an average of 30°C (86°F) and extremes reaching up to 39°C (103°F). This month also sees considerable rainfall, with 260 mm (10.2 in) of precipitation over 21 days, contributing to a high humidity level of 90%. In contrast, November offers a much cooler climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F) and a more moderate average of 22°C (73°F). Rainfall decreases significantly to 48 mm (1.9 in) over just 8 days, resulting in a lower humidity of 72%. For a detailed look at what to expect, check out Hanoi weather in November.
In July, the weather is characterized by hot and humid conditions, with average temperatures around 30°C (86°F) and maximums soaring up to 39°C (103°F). The month sees considerable rainfall, with around 260 mm (10.2 in) of precipitation over 21 days, resulting in a humidity level of 90%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 8°C (47°F) to an average of 18°C (65°F), peaking at 31°C (87°F). This month has significantly less rainfall, totaling only 41 mm (1.6 in) over just 7 days, and a humidity level of 71%. For a closer look at the weather specifics, you can check Hanoi weather in December.
As July settles over Hanoi, the city experiences a distinctive blend of intense heat and high humidity, making it one of the warmest months of the year. With temperatures reaching a steamy peak, the average warmth at 30°C creates a tropical atmosphere, while persistent humidity at 90% adds to the challenge of comfort. Unlike the drier months, July frequently welcomes rain, with increased precipitation usually manifesting in 21 days of showers, providing some relief from the heat but also contributing to a somewhat soggy environment. If you want to explore more about the weather patterns and their nuances throughout the year, be sure to visit Hanoi Climate.