Last updated: August 28, 2025
April in Hanoi, Vietnam marks a delightful transition as the city welcomes warmer temperatures, with a maximum reaching up to 36°C (97°F), while the average hovers around a comfortable 25°C (77°F) and a cooler minimum of 15°C (59°F). This month witnesses an average precipitation of 147 mm (5.8 in), spread across approximately 14 rainy days, which adds a refreshing touch to the atmosphere. With the humidity lingering at around 64%, visitors and locals alike can expect a vibrant spring ambiance that beautifully contrasts the lush greenery of Hanoi's parks and streets. Whether exploring bustling markets or enjoying the serene lakes, April's weather is a captivating blend of warmth and temperate freshness.
April in Hanoi ushers in a noticeable shift towards warmer weather as the city transitions fully into spring. With minimum temperatures hovering around 15°C (59°F) and reaching an inviting average of 25°C (77°F), the days feel increasingly pleasant. The maximum temperatures can soar up to a steamy 36°C (97°F), offering a tantalizing preview of the hotter months ahead. This pattern of rising temperatures indicates a significant increase from March, setting the stage for the summer heat to follow. As the days grow longer and the sun shines brighter, April becomes a perfect time to explore the vibrant streets of Hanoi, making it an ideal month for tourists and locals alike to enjoy the city's rich culture and warm atmosphere.
In April, Hanoi experiences a significant uptick in precipitation, with 147 mm (5.8 in) of rain falling over 14 days. This marks a noticeable increase from the earlier months, showcasing the transition into the wetter season. As the city shakes off the dry chill of winter, the rainfall in April not only surpasses that of March by over 80 mm but also sets the stage for the even heavier downpours that are characteristic of May and June. With each passing day, the lush greenery of Hanoi thrives, signaling the arrival of spring and a vibrant landscape, even as residents prepare for the increasingly rainy months ahead.
In April, humidity in Hanoi, Vietnam, typically hovers around a comfortable 64%, showing a slight dip from the preceding months of January through March which recorded humidity levels between 66% and 71%. This decrease signals the transition into a warmer season, as humidity levels begin to rise again in May to 73% and peak dramatically in the summer months. Notably, the trend suggests early spring offers a respite from the intense moisture that characterizes Hanoi's sprawling summer, making April an ideal time to enjoy the blossoming beauty of the city before the humidity escalates to its annual highs of 90% in July.
April in Hanoi witnesses a notable continuation of extreme UV Index levels, maintaining a reading of 12, similar to March. This considerable intensity means that skin can burn in just 10 minutes, urging residents and visitors alike to adopt protective measures. As the dry season progresses into May, the UV Index is projected to rise even further to 13, highlighting a consistent trend of increasing UV exposure during these spring months. With the sun's intensity peaking, it's crucial to be vigilant about sun safety, especially as temperatures rise leading into the hotter months. For more insights on Hanoi’s UV levels, visit Hanoi UV Index.
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As April dawns in Hanoi, the city basks in a delightful 187 hours of sunshine, marking a peak in the springtime radiance. Compared to the previous months, this is a noticeable increase from March's 153 hours, paving the way for vibrant outdoor activities and the blossoming of local flora. The trend of increasing sunshine hours continues into May, which shines even brighter with a remarkable 280 hours, inviting both locals and travelers to revel in the warmth. This trajectory suggests a gradual transition into the sun-drenched summer months, where June, July, and August maintain impressive levels of sunshine, ranging from 275 to 259 hours. Ultimately, April serves as a blooming bridge to the exuberant summer days ahead, showcasing Hanoi's charm in the embrace of spring sunlight.
In April, Hanoi experiences a moderate 18% chance of sunny weather, holding steady from March. This period marks a transition towards the brighter months ahead, with sunlight gradually becoming more common as the city shifts into warmer conditions. Interestingly, May sees a notable increase in sunshine potential, jumping to 31%, while June dips again to 13%, indicating a fluctuation that many seasonal travelers should consider. Although April's skies may be more overcast, glimpses of sun provide a refreshing escape before monsoon season casts its shadow. As spring unfolds, visitors can anticipate a mixture of sunshine and clouds, perfect for exploring Hanoi's stunning landscapes while embracing the evolving weather patterns.
In April, Hanoi enjoys a delightful 12 hours of daylight, mirroring the increasingly vibrant atmosphere of spring. This month marks a continuation of the upward trend seen since January, where daylight gradually lengthened from just 10 hours. Following the gentle ascent through February and March, April's daylight is a precursor to the longer 13-hour days of May and June, creating an inviting backdrop for outdoor activities and exploration. As the year unfolds, daylight hours gradually taper off after mid-summer, making April a sweet spot of balance between light and warmth, inviting both locals and visitors to bask in the beauty of Hanoi's blooming landscapes.
In April, Hanoi experiences a gentle breeze, with an average wind speed of 2.6 m/s (6 mph), mirroring the slightly more blustery months of March and May. This consistent airflow marks a transition into the warmer season, as the city shakes off the chill of winter. Notably, April’s winds are part of a broader trend; post-January, winds gradually increase, peaking in the early summer months before tapering off as the heat sets in. As the air fills with the sweet scent of blooming flowers, these pleasant April winds invite locals and visitors alike to embrace the vibrant outdoor life that Hanoi has to offer.
Weather in Hanoi varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hanoi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, April offers significantly warmer temperatures, with a minimum of 15°C (59°F) and an average reaching 25°C (77°F), compared to January's cooler minimum of 8°C (46°F) and average of 18°C (65°F). Additionally, April experiences a higher maximum temperature of 36°C (97°F), while January peaks at a comfortable 29°C (84°F). Precipitation also varies considerably, with April receiving 147 mm (5.8 in) over 14 days, making it a much wetter month than January, which sees only 58 mm (2.3 in) over 8 days. Humidity levels are similar, at 64% in April and 66% in January. For a more in-depth look at January's weather, you can visit Hanoi weather in January.
April and February offer distinctly different weather patterns. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average temperature of 25°C (77°F). The month experiences significant rainfall, totaling 147 mm (5.8 in) over 14 days, coupled with a humidity level of 64%. In contrast, February presents milder temperatures, with a minimum of 9°C (48°F) and a maximum of 31°C (88°F), averaging 19°C (66°F). Precipitation is notably lower at 41 mm (1.6 in) across just 7 days, though humidity remains relatively high at 71%. For more details, you can check Hanoi weather in February.
April generally experiences higher temperatures compared to March, with minimums of 15°C (59°F) and maximums reaching 36°C (97°F), while March's temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (94°F). The average temperature in April is also warmer at 25°C (77°F) versus March's 22°C (73°F). However, April sees significantly more precipitation, totaling 147 mm (5.8 in) over 14 days, compared to March's 65 mm (2.5 in) across the same number of days. In terms of humidity, March is slightly more humid at 69%, compared to April's 64%. For more insights, check out Hanoi weather in March.
April and May in Hanoi present notable contrasts in weather conditions. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 25°C (77°F). This month experiences significant rainfall, totaling 147 mm (5.8 in) over 14 days, and humidity levels average around 64%.
By May, the weather shifts, as temperatures rise with a minimum of 19°C (67°F) and a peak reaching 39°C (103°F), averaging 28°C (83°F). Precipitation also increases, totaling 188 mm (7.4 in) over 17 days, and humidity climbs to an average of 73%. For more detailed information, you can visit Hanoi weather in May.
April and June present distinctly different weather patterns. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 25°C (77°F). The month sees 147 mm (5.8 in) of precipitation over 14 days, accompanied by a humidity level of 64%. In contrast, June is significantly warmer, with minimum temperatures starting at 23°C (74°F) and peaking at 40°C (105°F), averaging 31°C (87°F). There is also an increase in precipitation to 189 mm (7.4 in) occurring over 15 days, and humidity rises to 81%. For more detailed information, you can check Hanoi weather in June.
In April, the weather features a mild temperature range with a minimum of 15°C (59°F), an average of 25°C (77°F), and a maximum of 36°C (97°F). The month sees significant precipitation, totaling 147 mm (5.8 in) over 14 days, and the humidity averages around 64%. In contrast, July experiences much warmer temperatures, with a minimum of 25°C (78°F), an average of 30°C (86°F), and a peak at 39°C (103°F). Rainfall increases substantially in July, amounting to 260 mm (10.2 in) over 21 days, accompanied by higher humidity levels reaching 90%. For more detailed insights about the climate, you can check Hanoi weather in July.
April and August present contrasting weather conditions, reflecting the transition from one season to another. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 25°C (77°F). The month experiences 14 days of rainfall, accumulating around 147 mm (5.8 in), and enjoys a moderate humidity of 64%. In comparison, August is noticeably warmer, with temperatures varying from a low of 24°C (76°F) to a high of 39°C (102°F) and an average of 29°C (85°F). Rainfall increases significantly, totaling 378 mm (14.9 in) over 22 days, along with a rise in humidity to 89%. For more insights on August weather, you can check Hanoi weather in August.
When comparing the weather in April and September, we see notable differences in both temperature and precipitation. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 25°C (77°F) and a humidity level of 64%. The month experiences about 147 mm (5.8 in) of precipitation over approximately 14 days. In contrast, September boasts slightly higher temperatures with a minimum of 21°C (71°F) and a maximum of 37°C (99°F), averaging around 28°C (83°F). However, it also sees increased precipitation, totaling 222 mm (8.7 in) over 21 days, and higher humidity at 82%. These factors contribute to a more humid and wetter climate in September, lending a different character to the weather in comparison to April. For more details, you can check Hanoi weather in September.
April and October present distinct weather patterns, each with its own characteristics. In April, temperatures range from a pleasant 15°C (59°F) at night to a warm 36°C (97°F) during the day, with an average of 25°C (77°F). The month receives 147 mm (5.8 in) of precipitation over about 14 days, accompanied by a humidity level of 64%. In contrast, October has slightly warmer minimum temperatures, starting at 17°C (63°F) and peaking at 34°C (94°F), with an average of 25°C (78°F). However, it experiences increased rainfall, accumulating 279 mm (11.0 in) over 16 days and boasting higher humidity at 77%. For a more detailed exploration, you can refer to Hanoi weather in October.
In comparing the weather of April and November, we see distinct differences in temperature and precipitation patterns. April typically enjoys warmer days with minimum temperatures around 15°C (59°F) and averages peaking at 25°C (77°F), often reaching highs of 36°C (97°F). In contrast, November brings slightly cooler temperatures, with minimums of 14°C (57°F) and average highs of 22°C (73°F), maxing out at 33°C (92°F). Additionally, April experiences significantly more rainfall, totaling 147 mm (5.8 in) over about 14 days, whereas November is much drier, with only 48 mm (1.9 in) over 8 days. Interestingly, humidity levels are higher in November at 72%, compared to April's 64%. For more detailed information on November weather, you can visit Hanoi weather in November.
April and December in Hanoi present notably different weather patterns. In April, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 25°C (77°F), and the month experiences substantial rainfall of 147 mm (5.8 in) spread over 14 days. In contrast, December features milder temperatures, with a minimum of 8°C (47°F) and a maximum of 31°C (87°F), averaging 18°C (65°F), and significantly less precipitation of 41 mm (1.6 in) over just 7 days. The humidity is slightly higher in December at 71%, compared to April's 64%. For more detailed insights into December weather, check Hanoi weather in December.
As April unfolds in Hanoi, the weather showcases a unique blend of warmth and humidity, setting it apart from the colder months preceding it. While temperatures rise notably, reaching up to 36°C, the average remains a comfortable 25°C, inviting both locals and tourists to enjoy the vibrant city life. However, April is also characterized by increased precipitation, with about half the month seeing rain, contributing to the region's lush greenery. The humidity level settles around 64%, creating a tropical ambiance that, while warmer, is a refreshing precursor to the sweltering heat of summer. For a deeper dive into Hanoi's diverse weather patterns throughout the year, explore Hanoi Climate.