Last updated: August 27, 2025
April in Chiang Mai, Thailand is characterized by a warm climate that showcases a broad temperature range, with maximums soaring up to 42°C (107°F) and a comfortable average temperature of 29°C (85°F). The evenings offer a cooler respite, with minimum temperatures dipping to 18°C (65°F). While this month experiences moderate humidity at 36%, the likelihood of rainfall is present, with around 42 mm (1.7 in) of precipitation over approximately 6 days. Travelers can expect a vibrant atmosphere as the dry season begins to transition, making it an exciting time to explore the cultural rich scenery of Chiang Mai.
In April, Chiang Mai experiences a noticeable escalation in temperatures, with minimums rising to 18°C (65°F) and averages reaching 29°C (85°F). This upward trend peaks with a sweltering maximum of 42°C (107°F), marking April as one of the hottest months of the year. Compared to the cooler temperatures of January, where the average was just 22°C (72°F), visitors should prepare for the increasing warmth. As the dry season continues, the warm climate is perfect for exploring the vibrant city and its lush surroundings, though travelers should stay hydrated and seek shade during peak hours.
April marks the beginning of a noticeable shift in precipitation patterns in Chiang Mai, Thailand, with total rainfall reaching 42 mm (1.7 in) over approximately 6 days. This uptick in rainfall is a clear precursor to the more intense wet season that follows, as both May and June see significantly higher totals, culminating in a staggering 218 mm (8.6 in) by July. Compared to the preceding months of January to March, where rainfall barely registered, April serves as an important transitional month, signaling the approach of the tropical rain cycle. As the landscape transforms into lush greenery, locals and visitors alike can expect the showers of April to herald the vibrant and invigorating months ahead.
In April, Chiang Mai experiences a notable dip in humidity, with levels reaching 36%, the lowest of the year. This decrease continues the trend established in preceding months, where humidity has steadily declined from 51% in January to 38% in March. As the region transitions towards the hotter months of May and June, humidity begins to rise significantly, jumping to 63% in May and soaring to 81% by June. This pattern highlights the shift from the dry and comfortable early months of the year to a more humid climate, characteristic of the impending rainy season. Visitors to Chiang Mai in April can enjoy a brief respite from humidity before the more muggy conditions set in.
In April, Chiang Mai experiences a notably high UV Index of 13, categorizing it within the extreme exposure zone, where even a brief 10-minute burn time becomes a real risk. This trend of increasing UV levels, which begins in March, underscores a consistent pattern as the city transitions further into the hot season. February kicks off with a UV Index of 10, escalating sharply as March and April arrive, making it crucial for visitors and residents alike to take precautions against sun exposure. The remaining months, stretching from May through September, maintain this intensity, peaking at UV Index 14, making April a pivotal month in understanding Chiang Mai's yearly UV trends. Be sure to check the most current conditions and stay protected by visiting Chiang Mai UV Index.
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As April arrives in Chiang Mai, Thailand, the days are bathed in a delightful 321 hours of sunshine, continuing the trend of vibrant light that began the year. Following the peak of 338 hours in March, the sun shines steadily in April, showcasing a consistent warmth that promises pleasant outdoor adventures. This sunny interlude is part of a larger pattern where the early months of the year witness increasing daylight, peaking in the late spring before gently tapering off during the summer. May closely follows with 330 hours, ensuring that the vibrant colors of blooming flowers and lush landscapes thrive in the sun's golden embrace. Overall, April's sunshine not only enriches the environment but also fuels the lively spirit of Chiang Mai as it blossoms into the heart of the warm season.
As April rolls into Chiang Mai, the city experiences a noticeable shift in its weather pattern, with the likelihood of sunny days dipping to 38%. This marks a significant decline from the sun-drenched months of January to March, which boast probabilities exceeding 76%. The transition into April heralds the approach of the rainy season, leading to increasingly overcast skies, especially as the month progresses. With May and June seeing even lower chances of sunshine at 45% and 12% respectively, visitors should prepare for the possibility of cloud cover and scattered showers as the vibrant green landscape awakens, making April a beautiful yet unpredictable time in Chiang Mai.
As April arrives in Chiang Mai, daylight persists at a stable 12 hours, matching the previous month and marking a transition into longer days as the region approaches the height of summer. This trend showcases a gradual increase in daylight from the winter months, where daylight lasted only 11 hours, to the spring and early summer months that enjoy more sunlight. Following April, May ushers in an even longer span of 13 hours of daylight, offering residents and visitors ample time to explore the vibrant culture and stunning scenery that Chiang Mai has to offer. This progression not only highlights the changing seasons but also enhances the city's allure as a destination teeming with life and activity.
In April, Chiang Mai embraces a gentle breeze, with an average wind speed of 1.2 m/s (3 mph), mirroring the calm of February and March. This consistency in wind speed throughout the early months hints at a stable transitional period as the region eases into the warmer season. Notably, the arrival of May sees a slight uptick to 1.3 m/s, which remains steady into June, suggesting that while the winds remain mild, they gradually begin to invite a refreshing change as summer approaches. Overall, April's breezy yet calm atmosphere provides a serene backdrop for exploring the vibrant landscapes and rich culture of Chiang Mai.
Weather in Chiang Mai varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Chiang Mai, focusing on differences in temperature, rainfall, humidity, and UV levels.
April's weather in Chiang Mai is notably warmer than January's, with average temperatures reaching 29°C (85°F) compared to January's average of 22°C (72°F). The minimum temperature in April is a mild 18°C (65°F), significantly higher than January's cooler minimum of 10°C (51°F). Additionally, April experiences greater extreme temperatures, with highs soaring to 42°C (107°F), while January peaks at a comfortable 34°C (93°F). Precipitation is more frequent in April, with rain occurring on six days and totaling 42 mm (1.7 in), compared to only two days of rain and 10 mm (0.4 in) in January. The humidity in January is also higher at 51%, creating a different feel than April's lower humidity level of 36%. For more insights into January's climate, you can check Chiang Mai weather in January.
In comparing the weather between April and February, it's clear that April is significantly warmer, with a minimum temperature of 18°C (65°F) and an average high reaching 42°C (107°F). In contrast, February experiences milder conditions, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 36°C (97°F). Additionally, April sees increased precipitation, with 42 mm (1.7 in) over six days, whereas February typically has no recorded rainfall and much higher humidity at 46% compared to April's 36%. For a more detailed look at February's climate, you can check Chiang Mai weather in February.
In comparing the weather between March and April, we notice a slight increase in temperatures, with April boasting a minimum of 18°C (65°F) and a maximum of 42°C (107°F), compared to March's minimum of 16°C (60°F) and maximum of 40°C (104°F). The average temperatures also rise from 28°C (82°F) in March to 29°C (85°F) in April. Additionally, April sees a significant increase in precipitation, with 42 mm (1.7 in) over six days, while March experienced virtually no rainfall, recording only 1 mm (0.1 in) over zero rainy days. Humidity remains similar, slightly decreasing from 38% in March to 36% in April. For more details about March's climate, you can check out Chiang Mai weather in March.
April and May in Chiang Mai exhibit notable differences in weather patterns. April generally features warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 42°C (107°F), while May experiences slightly higher minimum temperatures at 23°C (73°F) and an average temperature of 30°C (86°F). Additionally, May sees increased precipitation, receiving 82 mm (3.2 in) over 9 days compared to April’s 42 mm (1.7 in) over 6 days. This increase in rainfall also corresponds with higher humidity levels in May, averaging 63% compared to April’s 36%. For more details, you can check Chiang Mai weather in May.
In April, the weather is characterized by warmer temperatures that range from a minimum of 18°C (65°F) to a maximum of 42°C (107°F), with an average temperature of 29°C (85°F). The month experiences relatively low precipitation, totaling 42 mm (1.7 in) over just 6 days, and a humidity level of 36%. In contrast, June sees a notable increase in humidity, peaking at 81%. The temperatures remain similar, with a minimum of 23°C (74°F) and a maximum of 40°C (104°F), but rainfall significantly increases to 145 mm (5.7 in) spread over 17 days. This shift in weather patterns highlights the transition from the dry heat of April to the wetter and more humid conditions typical of June. For further details, you can explore Chiang Mai weather in June.
April and July in Chiang Mai showcase a stark contrast in weather patterns. In April, temperatures range from a minimum of 18°C (65°F) to a scorching maximum of 42°C (107°F), with an average of 29°C (85°F). The month experiences relatively low precipitation of 42 mm (1.7 in) over just 6 days, coupled with a humidity level of 36%. In contrast, July sees a milder average temperature of 28°C (83°F) and a minimum of 23°C (73°F), but the maximum temperature can still reach 40°C (104°F). However, July is characterized by significantly higher rainfall, with 218 mm (8.6 in) falling over 22 days, contributing to a much more humid environment at 83%. For more detailed information, you can check out Chiang Mai weather in July.
April in Chiang Mai experiences a significant variation in temperatures, with a minimum of 18°C (65°F) and a maximum soaring up to 42°C (107°F). The month has relatively low precipitation, averaging 42 mm (1.7 in) over about 6 days, and a humidity level of 36%. In contrast, August is marked by more temperate conditions, featuring a minimum temperature of 23°C (73°F) and a maximum of 36°C (97°F). However, it compensates for the lower temperatures with high humidity at 91% and substantial rainfall, totaling 268 mm (10.5 in) over 26 days. This stark contrast in weather patterns highlights the shift from dry, hot conditions in April to the humid, wet environment typical of August. For a more detailed overview, you can refer to Chiang Mai weather in August.
In April, the weather is characterized by much warmer temperatures, with a minimum of 18°C and reaching highs of up to 42°C, making it quite hot overall. Despite having a relatively low precipitation level of 42 mm over about 6 days, humidity remains around 36%. In stark contrast, September experiences milder temperatures, with a minimum of 22°C and an average of 27°C, peaking at 35°C. However, this month is significantly wetter, with 198 mm of rainfall across 21 days and an increased humidity level of 83%. For a detailed look at what to expect, check out Chiang Mai weather in September.
April and October present contrasting weather patterns. In April, temperatures can soar with a minimum of 18°C (65°F) and a maximum reaching up to 42°C (107°F), averaging around 29°C (85°F). The month sees relatively low precipitation, with about 42 mm (1.7 in) falling over just 6 days, resulting in a low humidity level of 36%. In stark contrast, October offers a milder climate with a minimum temperature of 20°C (69°F) and a maximum of 34°C (94°F), averaging 26°C (80°F). However, it experiences a significant increase in rainfall, totaling 156 mm (6.1 in) over 18 days, and higher humidity levels at 67%. For more detailed insights about the weather during this month, check out Chiang Mai weather in October.
In comparing the weather between April and November, we see notable differences in temperature and humidity. April boasts higher temperatures, with a minimum of 18°C (65°F), an average of 29°C (85°F), and a maximum of 42°C (107°F), all accompanied by relatively low humidity at 36%. In contrast, November features cooler temperatures, ranging from a minimum of 13°C (56°F) to an average of 25°C (77°F) and a maximum of 34°C (93°F). Additionally, November experiences higher humidity levels at 60% and slightly less precipitation, with 24 mm (0.9 in) over 5 days, compared to April's 42 mm (1.7 in) over 6 days. For more detailed information, check out Chiang Mai weather in November.
April and December present strikingly different weather patterns. In April, temperatures soar with a minimum of 18°C (65°F) and can reach up to a sweltering maximum of 42°C (107°F), while an average temperature of 29°C (85°F) maintains a warm backdrop. This month experiences relatively higher humidity at 36% with some precipitation over 6 days totaling 42 mm (1.7 in). In contrast, December offers a much cooler climate, with minimum temperatures dipping to 6°C (43°F) and a comfortable average of 21°C (71°F), peaking at 33°C (91°F). Rainfall is minimal during this month, only 13 mm (0.5 in) over just 1 day, and the humidity rises to 56%, creating a more humid atmosphere. For further details, you can refer to Chiang Mai weather in December.
As April rolls into Chiang Mai, the weather transitions into a hot and dry phase, distinguishing it from the cooler months that precede it. With daily temperatures frequently soaring, residents and travelers experience the peak of warmth, marked by its average highs near 29°C. While rainfall is relatively scarce, with only a handful of rainy days, the humidity remains manageable, allowing for enjoyable exploration during the day. This blend of soaring temperatures and minimal precipitation makes April a unique time to experience the beauty of Chiang Mai, setting the stage for the contrasting conditions to come in the subsequent months. For those keen on understanding how these shifts impact travel plans, check out Chiang Mai Climate.