Last updated: August 28, 2025
April in Sa Pa, Vietnam presents a vibrant tapestry of weather, with temperatures ranging from a comfortable 8°C (47°F) at night to a warm 33°C (92°F) during the day, averaging around 20°C (69°F). Visitors can expect significant rainfall this time of year, with 218 mm (8.6 in) of precipitation over 21 days, contributing to the lush landscapes that Sa Pa is renowned for. Humidity hovers around 53%, adding a refreshing touch to the verdant hills. Whether exploring terraced rice fields or enjoying the cool mountain air, April's weather offers a unique and enchanting experience in this scenic locale.
April in Sa Pa, Vietnam marks a charming transition into warmer weather as spring unfolds its vibrant colors. With temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (92°F), this month feels lively and invigorating. The average temperature settles at 20°C (69°F), inviting visitors to explore the breathtaking landscapes adorned with blooming flowers. Compared to the preceding months, April signals a noticeable rise in warmth, especially from March's peaks. As the crispness of winter wanes, this month strikes a delightful balance, making it an ideal time for trekking through the lush rice terraces and soaking in the stunning mountain vistas. Whether you’re sipping local coffee or engaging with the welcoming culture, April’s pleasant climate provides the perfect backdrop for an unforgettable Sa Pa experience.
April marks a significant transition in Sa Pa, Vietnam, as the region experiences a notable increase in precipitation. With 218 mm (8.6 in) of rain falling over 21 days, April represents a peak in the early spring months, following March's already substantial rainfall of 162 mm (6.4 in). This trend indicates the onset of the wet season that continues into the summer months, with May not far behind at 172 mm (6.8 in) across 26 days. The consistent pattern of increasing rainfall from March into April highlights the region's shift toward more humid conditions, setting the stage for the lush, vibrant landscape that Sa Pa is famous for as it heads towards the peak summer months.
In April, Sa Pa, Vietnam experiences a relative humidity of 53%, marking a slight decrease from the previous month's 58%. This decline suggests a transitional phase as the region shifts towards the heavier humidity of the upcoming summer months, characterized by significantly higher levels such as 83% in June and peaking at 90% during July and August. Interestingly, April's humidity is among the lowest in Sa Pa, offering a refreshing respite before the lush, tropical atmosphere takes hold. As temperatures warm, humidity trends upward, reminding visitors that the verdant beauty of Sa Pa comes accompanied by the rich, moist air typical of its monsoon season.
In April, the UV Index in Sa Pa, Vietnam maintains a high intensity, registering at 13, which falls into the extreme exposure category. This level of UV radiation means that even minimal sun exposure can lead to skin damage in just 10 minutes. Reflecting a trend observed since March, the UV levels remain consistently elevated during this period, underscoring the importance of sun protection. As the days grow warmer in the preceding and following months, it’s crucial to be vigilant against UV exposure. For more insights into sun safety in the region, check out the full details at Sa Pa UV Index.
UV Risk Categories
April in Sa Pa, Vietnam, boasts a delightful 263 hours of sunshine, serving as a vibrant transition from the cooler months of winter and early spring. Following the gradual increase in daylight from January's 180 hours to February's 231 hours and March's 278 hours, April maintains a healthy sunshine quota, albeit slightly lower than the preceding month. As the region prepares for the summer, the sunshine hours show an upward trend with May leaping to 315 hours, signifying the peak of brightness. This fluctuation illustrates Sa Pa's unique climate, characterized by a steady increase in daylight that enhances the scenic beauty and encourages exploration of its lush landscapes. With the promise of warmth in April, it's an ideal time for visitors to experience the breathtaking allure of this mountainous town.
In Sa Pa, Vietnam, April presents a 34% chance of sunny weather, which aligns closely with the sunniest months earlier in the year, specifically January and May, both at 33%. Notably, March peaks with a 45% likelihood of sunshine, hinting at the transitional nature of spring in Sa Pa, where the weather begins to shift, creating a brisk yet promising atmosphere. However, as summer approaches, the likelihood of sunny days notably dwindles, dropping sharply to 10% in June. This April forecast, therefore, offers a sweet spot for travelers, as the region enjoys a refreshing blend of moderate sun before the clouds of summer set in.
In Sa Pa, Vietnam, the arrival of April marks a delightful transition in daylight duration, maintaining a steady 12 hours of sunlight, much like March. This balance between light and dark sets the stage for the blossoming beauty of spring, inviting outdoor exploration and vibrant photography. As the month progresses towards May, daylight gradually increases to 13 hours, ushering in longer days perfect for trekking the region’s iconic terraced rice fields. The consistent daylight hours from March to April highlight a shift towards the lush greenery that characterizes Sa Pa, making it an ideal time for travelers seeking to experience the enchanting landscape in full bloom.
In April, the winds in Sa Pa, Vietnam remain gentle, with an average speed of 1.1 m/s (3 mph), mirroring the calmness of the preceding months. This consistency in wind patterns, typical for early spring, creates a tranquil atmosphere ideal for exploring the breathtaking landscapes. Compared to March's slightly breezier conditions, April's mild air offers the perfect setting for travelers to engage with the vibrant flora and fauna awakening after winter. As spring unfolds, the gentle gusts also hint at the warmer days ahead, making Sa Pa a serene escape for those seeking to immerse themselves in its natural beauty.
Weather in Sa Pa varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sa Pa, focusing on differences in temperature, rainfall, humidity, and UV levels.
April's weather is notably warmer and more humid than January's, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (92°F), compared to January's more moderate range of 2°C (35°F) to 26°C (78°F). Additionally, April experiences significantly higher precipitation, totaling 218 mm (8.6 in) over 21 days, while January sees only 101 mm (4.0 in) across 13 days. The relative humidity is slightly lower in April at 53%, compared to January's 57%. For a detailed look at January weather in this region, check out Sa Pa weather in January.
When comparing the weather in April and February, significant differences emerge. April tends to be warmer, with minimum temperatures around 8°C (47°F) and average highs reaching up to 33°C (92°F), whereas February features cooler temperatures, with lows of 4°C (39°F) and a maximum of 27°C (82°F). Additionally, April experiences higher precipitation levels, totaling 218 mm (8.6 in) over 21 days, compared to February's 88 mm (3.5 in) over 17 days, making April a wetter month. Humidity is also notably different, with February boasting a higher average of 67% compared to April's 53%. For a more detailed look at February's climate, you can visit Sa Pa weather in February.
In comparing the weather of April and March, we see some notable differences. April generally has a warmer temperature range, with minimums around 8°C (47°F), averages of 20°C (69°F), and maximums reaching 33°C (92°F), while March is slightly cooler with minimums at 10°C (50°F), averages of 18°C (65°F), and maximums of 30°C (86°F). Precipitation is higher in April, totaling 218 mm (8.6 in) over 21 days, compared to March's 162 mm (6.4 in) across 22 days. Additionally, April has a lower average humidity of 53%, in contrast to March's 58%. For more details on March's conditions specifically, you can refer to Sa Pa weather in March.
April and May both feature warm temperatures, but May tends to be slightly warmer on average. In April, the temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (92°F), with an average of 20°C (69°F). In contrast, May sees temperatures starting from a minimum of 13°C (56°F) and reaching up to 34°C (93°F), averaging 23°C (74°F). Rainfall is also a significant factor; April experiences 218 mm (8.6 in) of precipitation over 21 days, while May has less rainfall at 172 mm (6.8 in) but more rainy days, totaling 26. Furthermore, humidity increases in May to 69%, compared to April's 53%. For more detailed information, check Sa Pa weather in May.
April and June present contrasting weather patterns in terms of temperature, precipitation, and humidity. In April, temperatures range from a cool 8°C (47°F) to a warm 33°C (92°F), with an average of 20°C (69°F). The month sees significant rainfall, totaling 218 mm (8.6 in) over 21 days, accompanied by a moderate humidity level of 53%. In contrast, June offers warmer conditions, with minimum temperatures at 18°C (65°F) and an average of 24°C (75°F), peaking at 31°C (89°F). However, it experiences even more rainfall, accumulating 303 mm (11.9 in) across 29 days and a noticeably higher humidity of 83%. For more detailed insights into the June weather, you can visit Sa Pa weather in June.
April and July exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (92°F), with an average of 20°C (69°F). The month sees a total precipitation of 218 mm (8.6 in) across 21 rainy days, accompanied by a humidity level of 53%. In contrast, July experiences considerably warmer temperatures with a minimum of 20°C (68°F), averaging 24°C (75°F), and a maximum of 32°C (90°F). The month is also wetter, with precipitation reaching 350 mm (13.8 in) over 30 days and a much higher humidity of 90%. This dramatic rise in both rainfall and humidity makes July feel considerably more tropical. For a more detailed look at July’s climate, you can visit Sa Pa weather in July.
April and August present contrasting weather patterns. In April, temperatures range from a cool minimum of 8°C (47°F) to a warm maximum of 33°C (92°F), with an average of around 20°C (69°F). The month sees a moderate amount of rainfall, totaling 218 mm (8.6 in) over 21 days, and the humidity is a comfortable 53%. In comparison, August experiences warmer temperatures with a minimum of 20°C (68°F) and an average of 24°C (75°F), peaking at 31°C (89°F). However, this month is much wetter, receiving 455 mm (17.9 in) of rain spread over 29 days, with humidity soaring to 90%. For more detailed information, check out Sa Pa weather in August.
April and September present distinct weather patterns. In April, temperatures range from a cool minimum of 8°C (47°F) to a warm maximum of 33°C (92°F), with an average of 20°C (69°F). The month experiences considerable rainfall, totaling 218 mm (8.6 in) over 21 days, coupled with a humidity level of 53%. In contrast, September sees a warmer temperature range, with a minimum of 15°C (59°F) and a maximum of 31°C (88°F), averaging 23°C (74°F). While the precipitation is slightly lower at 208 mm (8.2 in), it spans over 25 days, and humidity significantly rises to 81%. For a deeper look at September's weather in the region, visit Sa Pa weather in September.
April and October present contrasting weather patterns, though both months share an average temperature of 20°C (69°F). In April, temperatures range more widely from a minimum of 8°C (47°F) to a maximum of 33°C (92°F), leading to warmth during the day but cooler nights. Conversely, October’s temperatures are milder, with minimums at 12°C (54°F) and maximums at 29°C (84°F), indicating a generally more stable climate. Precipitation is significant in both months, with April receiving 218 mm (8.6 in) and October slightly less at 178 mm (7.0 in), yet both months experience rain on about 21 days. Additionally, October's humidity rises to 75%, providing a distinctly different feel compared to the relatively drier atmosphere of April, which sits at 53%. For more detailed information, you can check Sa Pa weather in October.
April and November present distinct weather characteristics in terms of temperature and precipitation. In April, the temperatures range from a minimum of 8°C (47°F) to a high of 33°C (92°F), with an average of 20°C (69°F). The month experiences significant rainfall, totaling 218 mm (8.6 in) over about 21 days, leading to a moderate humidity level of 53%. In contrast, November features cooler average temperatures, with a minimum of 8°C (47°F) and a maximum of 27°C (80°F), averaging 17°C (64°F). Rainfall decreases considerably to 66 mm (2.6 in) across 14 days, accompanied by a higher humidity of 74%. For more detailed information about weather conditions during this month, you can visit Sa Pa weather in November.
April and December showcase notable differences in weather patterns. In April, temperatures range significantly, with a minimum of 8°C (47°F) and a maximum reaching up to 33°C (92°F), leading to an average of 20°C (69°F). This month also experiences more rainfall, with 218 mm (8.6 in) falling over 21 days, contributing to a moderate humidity level of 53%. In contrast, December features cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 26°C (78°F), resulting in a lower average of 14°C (57°F). Additionally, December is much drier, with only 65 mm (2.6 in) of precipitation over 10 days, and higher humidity at 69%. For more detailed insights into December weather, you can visit Sa Pa weather in December.
In April, Sa Pa experiences a refreshing transition into spring, characterized by a delightful mix of warm temperatures and occasional showers. Unlike the more frigid months of winter, April brings an average warmth that encourages outdoor exploration amidst the vibrant landscapes. While the region does see an uptick in rainfall with nearly three weeks of precipitation, the humidity remains moderate, creating a pleasant atmosphere perfect for trekking and enjoying the lush greenery. This unique weather pattern marks a significant shift from the colder months and sets the stage for the blooming beauty of May. For more insights into what to expect throughout the year, check out the detailed analysis at Sa Pa Climate.