Last updated: August 28, 2025
In Ha Giang, Vietnam, May ushers in a warm climate characterized by maximum temperatures soaring up to 36°C (98°F), while the average temperature settles at a comfortable 25°C (77°F). This month also marks a period of substantial precipitation, with 275 mm (10.8 in) of rain falling over approximately 27 days, contributing to the region’s lush greenery. Humidity levels hover around 69%, making the air feel both warm and vibrant. Whether you're exploring the scenic landscapes or engaging with the local culture, May in Ha Giang promises a blend of warmth and freshness that is distinctly its own.
In May, Ha Giang, Vietnam, basks in the warmth of spring, with temperatures climbing noticeably as the month progresses. The minimum temperature starts at a mild 16°C (60°F), while the average reaches a comfortable 25°C (77°F), and the maximum can soar up to 36°C (98°F). This trend marks a significant shift from the cooler months of April and earlier, highlighting May as a transitional period where the region begins to embrace the heat of summer. As the days lengthen and the sun shines brighter, visitors can expect vibrant landscapes and an inviting atmosphere, perfect for exploring the stunning natural beauty of this mountainous region.
In May, Ha Giang experiences a significant surge in precipitation, with 275 mm (10.8 in) of rainfall recorded over 27 days. This represents a notable increase from the previous months, as April's downpours reached 206 mm (8.1 in) over 22 days. This trend of escalating rainfall is indicative of the region's transition into its wet season, where moisture levels begin to peak before reaching their maximum in June. The frequent rainfalls in May not only contribute to the lush green landscapes that Ha Giang is famous for but also underscore the necessity for travelers and residents alike to prepare for the persistent showers typical of this season.
May in Ha Giang, Vietnam, marks a noticeable rise in humidity, reaching 69%, which adds a touch of muggy warmth to the budding landscapes. This increase signals the transition towards the sweltering summer months, as the humidity begins its climb from the more moderate levels observed in April's 53%. Following May, the region experiences a dramatic escalation, with June and July peaking at 83% and 90%, respectively. This trend illustrates a steep upward trajectory, creating a vibrant, lush environment as nature awakens with the promise of the monsoon season ahead. The month of May, therefore, plays a crucial role in this climatic shift, setting the stage for the tropical embrace that defines Ha Giang's summers.
May marks a peak in the UV Index in Ha Giang, Vietnam, where levels soar to 14, categorizing the exposure as extreme and necessitating caution. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against the sun's harsh rays. This month continues the trend observed since March, where UV levels have remained significantly high, reflecting a shift towards the hotter months leading into lush summer. Following May, the UV Index stabilizes at 14 through June to August, emphasizing the importance of sun safety during this period. For more comprehensive insights, explore the Ha Giang UV Index.
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May is truly a bright highlight in Ha Giang, Vietnam, as it basks in 290 hours of sunshine. This vibrant month stands out distinctly from the earlier months, showcasing a remarkable leap from 246 hours in March and 231 hours in April. Following a steady increase through the spring, May blossoms under the sun, setting the stage for a picturesque summer ahead. As the season unfolds, the sunshine remains generous, with June and July also enjoying significant hours, though slightly less robust than May. This trend not only enhances the region's breathtaking landscapes but also invites travelers to experience the beauty of Ha Giang bathed in warm, golden light.
In Ha Giang, Vietnam, May experiences a 20% chance of sunny weather, making it one of the sunnier months compared to the preceding ones, where the likelihood dips as low as 14% in March and June. While May does not boast the highest probability of sunshine, it marks a gradual improvement from the cloudy tendencies of earlier months like April and February, both at 15%. This trend continues into the following months, with a notable increase in sunshine chances later in the year, particularly in September at 34%. Thus, May serves as a transitional period, hinting at the sunnier days to come while still remaining moderate in terms of sunshine.
As the year unfolds in Ha Giang, Vietnam, daylight duration experiences a captivating rhythm. January begins the cycle with 10 hours of daylight, gradually lengthening to 11 hours by February. The transition into spring sees a robust increase, peaking at 12 hours in both March and April. By May, the days reach their zenith, stretching to 13 hours, a duration that remains steady through June and July, enveloping the region in bright, vibrant light. As summer wanes in August, daylight begins to recede slightly, returning to 12 hours, and continues this trend into the fall months, with 11 hours in both October and November. Finally, the cycle completes as December settles back to 10 hours. This fluctuation not only marks the changing seasons but also enhances the natural beauty and cultural richness of Ha Giang throughout the year.
In May, Ha Giang experiences a gentle increase in wind activity, with average wind speeds reaching 1.3 m/s (3 mph), matching the slightly elevated speeds of both March and April. This revitalizing breeze marks a subtle shift as the region transitions into the hotter months, providing a refreshing contrast to the warming temperatures. The consistent calmness of the wind throughout the earlier months, hovering around 1.1 m/s, suggests a tranquil atmosphere that gradually gives way to this lively May current. As summer approaches, the winds begin to slow again, dropping to a modest 1.0 m/s in June, hinting at the seasonal ebb and flow of nature in this stunning Vietnamese landscape.
Weather in Ha Giang varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ha Giang, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather patterns. In May, temperatures range from a minimum of 16°C (60°F) to a maximum of 36°C (98°F), with an average of around 25°C (77°F), creating a warm and humid atmosphere with a humidity level of 69%. Conversely, January offers much cooler conditions, with temperatures ranging from 5°C (42°F) to 25°C (77°F), averaging only 15°C (60°F), and a lower humidity level of 57%. While May experiences significantly higher precipitation at 275 mm (10.8 in) over 27 days, January sees much less rain, totaling 124 mm (4.9 in) over just 17 days. For more details on January weather, you can check Ha Giang weather in January.
May and February present distinctly different weather patterns. In May, temperatures can soar, with a minimum of 16°C (60°F) and a maximum reaching up to 36°C (98°F), showcasing a warm average of 25°C (77°F). However, this month is also characterized by significant rainfall, totaling 275 mm (10.8 in) over 27 days, accompanied by a humidity of 69%. In contrast, February offers milder conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 27°C (82°F), resulting in a cooler average of 16°C (61°F). Rainfall in February is considerably less, at 109 mm (4.3 in) over 18 days, with a slightly lower humidity of 67%. For more detailed information, you can check Ha Giang weather in February.
In comparison to March, May experiences significantly warmer temperatures, with a minimum of 16°C (60°F) and an average of 25°C (77°F), whereas March has a cooler minimum temperature of 11°C (52°F) and an average of 20°C (68°F). The maximum temperatures in May can soar up to 36°C (98°F), compared to 33°C (91°F) in March. While both months see notable rainfall, May is characterized by a higher precipitation level of 275 mm (10.8 in) over 27 days, compared to March's 182 mm (7.2 in) distributed over 22 days. Additionally, May's humidity at 69% surpasses March's 58%, creating a more humid atmosphere. For more details on March weather, you can explore Ha Giang weather in March.
In comparing the weather between April and May, we see a noticeable increase in both temperature and precipitation during the latter month. In April, temperatures range from a minimum of 10°C (49°F) to a maximum of 34°C (94°F), with an average of 22°C (72°F) and a total precipitation of 206 mm (8.1 in) over 22 days of rain, accompanied by a humidity level of 53%. In contrast, May experiences significantly warmer weather, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 36°C (98°F), averaging 25°C (77°F). Additionally, precipitation increases to 275 mm (10.8 in) across 27 rainy days, resulting in higher humidity at 69%. For a detailed look at April's weather, you can check Ha Giang weather in April.
May and June weather show some striking similarities and differences. Both months share a maximum temperature of 36°C (98°F), but June tends to be warmer overall, with an average temperature of 27°C (80°F) compared to May's 25°C (77°F). However, June also experiences higher humidity at 83%, making it feel quite muggy. Precipitation increases significantly in June, with 371 mm (14.6 in) spread over 25 days, compared to May's 275 mm (10.8 in) over 27 days. For more details on June weather, you can check Ha Giang weather in June.
May and July in Ha Giang present distinct weather patterns that reflect the transition from late spring to mid-summer. In May, temperatures range from a minimum of 16°C (60°F) to a maximum of 36°C (98°F), with an average temperature of 25°C (77°F). The month sees considerable rainfall, totaling 275 mm (10.8 in) over 27 days, and humidity levels hover around 69%. In contrast, July maintains a slightly higher minimum temperature of 21°C (71°F) and an average of 26°C (80°F), while still reaching a maximum of 36°C (97°F). However, July experiences even more rainfall, with 330 mm (13.0 in) spread across 28 days and a higher humidity level of 90%. These conditions make July feel more humid and wetter compared to May, contributing to a lush environment. For more detailed insights, you can check out Ha Giang weather in July.
May and August present distinct weather patterns, with both months experiencing high temperatures, yet differing in precipitation and humidity levels. In May, average temperatures range from a pleasant 16°C (60°F) at night to a warm 36°C (98°F) during the day, accompanied by significant rainfall totaling 275 mm (10.8 in) over 27 days, contributing to a humidity level of 69%. In contrast, August features a higher minimum temperature of 22°C (72°F) and maintains an average of 26°C (80°F), while experiencing increased rainfall of 349 mm (13.7 in) over the same number of days. This results in a notably higher humidity of 90%, making August feel much more humid and muggy. For more detailed insights on August weather, you can check Ha Giang weather in August.
May and September exhibit distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a minimum of 16°C (60°F) to a maximum of 36°C (98°F), with an average of around 25°C (77°F). This month experiences significant rainfall, totaling 275 mm (10.8 in) over 27 days, and humidity averages at 69%. In contrast, September maintains a similar minimum temperature of 16°C (62°F) and a marginally lower maximum of 34°C (94°F), with an average temperature of 25°C (78°F). Rainfall decreases to 220 mm (8.7 in) across 22 days, and humidity rises slightly to 81%. For a detailed look at the weather patterns in this month, visit Ha Giang weather in September.
May and October exhibit distinct weather patterns, reflecting the transitional phases of spring and autumn. In May, temperatures range from a minimum of 16°C (60°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F). This month also sees considerable rainfall, totaling around 275 mm (10.8 in) across 27 days, accompanied by a humidity level of 69%. In contrast, October features cooler temperatures, with a minimum of 12°C (55°F) and a maximum of 31°C (89°F), averaging 22°C (73°F). Precipitation decreases to 196 mm (7.7 in) over 19 days, while humidity rises slightly to 75%. For a detailed look at the weather specifics in October, you can refer to Ha Giang weather in October.
May and November present contrasting weather patterns. In May, temperatures range from a minimum of 16°C (60°F) to a scorching maximum of 36°C (98°F), with an average temperature of 25°C (77°F). The month is characterized by significant rainfall, accumulating 275 mm (10.8 inches) across 27 days, and a humidity level of 69%. In contrast, November is cooler, featuring temperatures from a minimum of 9°C (48°F) to a maximum of 28°C (83°F), averaging at 19°C (67°F). It experiences less rainfall, totaling 112 mm (4.4 inches) over 16 days, and slightly higher humidity at 74%. For more detailed insights on November weather, you can check Ha Giang weather in November.
May and December showcase stark contrasts in weather. May experiences warmer temperatures, with a minimum of 16°C (60°F), averaging around 25°C (77°F), and peaking at a sweltering 36°C (98°F). However, it also brings significant rainfall, with 275 mm (10.8 in) of precipitation spread over 27 days, resulting in high humidity levels of 69%. In contrast, December offers a much cooler climate, with a minimum temperature dipping to 2°C (37°F) and an average of 15°C (60°F), only reaching a maximum of 26°C (79°F). Precipitation is substantially lower in December at 98 mm (3.9 in) over just 16 days, while humidity remains consistent at 69%. For a detailed look at December conditions, visit Ha Giang weather in December.
As May unfolds in Ha Giang, the region experiences a delightful shift in weather compared to other months. With temperatures soaring up to 36°C (98°F), this period marks the beginning of warmer days, inviting visitors to explore the vibrant landscapes. The average temperature settles around a comfortable 25°C (77°F), providing a pleasant balance between warmth and cool breezes, especially in the evenings when temperatures dip to a refreshing 16°C (60°F). However, it's essential to prepare for some rainfall, as May sees around 27 days of precipitation, contributing to a humidity level of 69% that nourishes its lush greenery. For those planning a visit, understanding the May climate is crucial, so make sure to check out the detailed insights at Ha Giang Climate.