Last updated: August 27, 2025
In October, Chiang Mai, Thailand experiences a vibrant transition into its rainy season, characterized by a maximum temperature of 34°C (94°F) and a comfortable average of 26°C (80°F). Daily life is often accompanied by an occasional drizzle, with 18 days of precipitation contributing to a total of 156 mm (6.1 in), fostering lush landscapes and a refreshing atmosphere. The humidity averages around 67%, enhancing the tropical feel of the city. This month is perfect for enjoying the natural beauty and festive atmosphere as locals prepare for unique celebrations amid the rain.
In October, Chiang Mai experiences a pleasant transition into cooler weather as the monsoon season draws to a close. With minimum temperatures averaging around 20°C (69°F) and a comfortable average of 26°C (80°F), this month offers a refreshing change from the preceding warmer months. While daytime highs reach a still-warm 34°C (94°F), the overall climate is significantly milder compared to the intense heat of summer. As the lush landscape flourishes post-rain, October is an inviting time for visitors and locals alike to enjoy outdoor festivities, making it one of the most enjoyable months in this vibrant northern Thai city.
In Chiang Mai, October marks a significant transition in the rainy season, with precipitation levels reaching 156 mm (6.1 in) over 18 days. This month sees a blend of lingering monsoon activity, as rainfall begins to taper off from the heavy downpours of August and September. October's showers, while still substantial, are notably lighter than the peak months, indicating a gradual shift towards drier conditions. The frequent rainfall during this period helps to rejuvenate the lush landscapes, creating a vibrant and refreshing atmosphere, making it a beautiful yet moderately wet time to explore the city. The steady reduction in precipitation following October further emphasizes the region's cyclical weather patterns, paving the way for the cooler, drier months that follow.
As the seasons shift in Chiang Mai, Thailand, October brings a noticeable break from the extreme humidity of the preceding months. Following the peak levels of August with an astonishing 91%, and the lingering high figures of July and September, October sees humidity drop to a more manageable 67%. This reduction signifies the onset of more comfortable weather, yet hints at the lingering moisture that characterizes the region during the monsoon season. As the transition to drier months approaches, October acts as a bridge, balancing humidity levels from the rainy season while setting the stage for November's further decline to 60%. The city's lush landscapes remain vibrant, offering visitors an inviting atmosphere amid the changing climate.
As October unfolds in Chiang Mai, Thailand, the UV Index reaches a notable 13, maintaining its status within the extreme exposure category, with a burn time of just 10 minutes. This month marks a slight dip from the peak of 14 seen in the preceding months of June through September, yet it remains a critical reminder of the potent sun that’s characteristic of the region during this time of year. The trend in the UV Index reflects a consistent pattern throughout the warmer months, emphasizing the importance of sun protection as we transition into November, where the index decreases to 10. For more insights on how to safely enjoy the sun in this vibrant city, check out the Chiang Mai UV Index.
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As October unfolds in Chiang Mai, the city enjoys a delightful 273 hours of sunshine, setting the stage for a vibrant fall. This month reflects a consistent pattern of radiance following the peak of March, which basks in an impressive 338 hours of sunlight. Comparing October to the cooler months of September and August, both of which have shorter daylight hours, the increase in sunlight promotes a more uplifting atmosphere, perfect for exploring the city’s rich culture and natural beauty. As the annual cycle moves towards the end of the year, November and December bring a gradual rise in sunlight once again, inviting visitors to revel in Chiang Mai's charm under a warm, golden sky. With each month, it's clear that the interplay of light and season crafts a uniquely inviting experience for locals and travelers alike.
In October, the likelihood of sunny weather in Chiang Mai, Thailand begins to wane, dropping to around 25%—a stark contrast to the early months of the year when sunshine is more abundant. This shift marks the transition from the drier season to the onset of the rains, following the peak months of January to March, which enjoy sun probabilities exceeding 80%. As October progresses, cloud cover and moisture increase, resulting in fewer clear days compared to the mid-year months of April through September, where the chance of sun dwindles significantly to just a fraction. Thus, while October might not promise the brightest skies, it serves as a bridge to a more temperate climate, marked by refreshing breezes and the gradual transition into the lushness of late autumn.
In October, Chiang Mai experiences a shift in daylight duration, with 11 hours of sunlight illuminating the city. This marks a return to the shorter days that are characteristic of the beginning and end of the year. The trend throughout the months reveals that daylight in Chiang Mai gradually increases from 11 hours in January and February to a peak of 13 hours in the summer months of May through July. As the year progresses, daylight begins to taper off again, dropping back to 12 hours in August and September before settling at 11 hours for October through December. This rhythmic pattern reflects the region's tropical climate and offers a glimpse into the changing seasons, making each visit a unique experience in this enchanting locale.
As October arrives in Chiang Mai, Thailand, the wind begins to whisper a more tranquil tune. With an average wind speed of just 0.9 m/s (2 mph), this month marks a noticeable decline from the relatively steady breezes of the preceding months. While the winds have been consistently mild throughout the year, October's gentle gusts invite an introspective calm, perfect for outdoor explorations and leisurely afternoons. As the region transitions towards cooler weather, the light breezes serve as a subtle reminder of the approaching changes in the landscape, enhancing the overall charm of this enchanting city during autumn.
Weather in Chiang Mai varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Chiang Mai, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present quite different weather experiences. October boasts warmer temperatures with a minimum of 20°C (69°F) and an average of 26°C (80°F), contrasted by January’s cooler minimum of 10°C (51°F) and average of 22°C (72°F). Additionally, October is much wetter, receiving 156 mm (6.1 in) of precipitation over 18 days, while January experiences only 10 mm (0.4 in) over just 2 days, resulting in significantly lower humidity levels of 51% compared to October's 67%. For more details on January weather, check out Chiang Mai weather in January.
October and February present contrasting weather patterns. October experiences warmer temperatures, with a minimum of 20°C (69°F) and an average of 26°C (80°F), while February sees cooler nights, dropping to a minimum of 11°C (53°F). Interestingly, February can reach higher maximum temperatures, peaking at 36°C (97°F), compared to October's peak of 34°C (94°F). Moreover, October is marked by significant rainfall, averaging 156 mm (6.1 in) over 18 days, whereas February is exceptionally dry, with virtually no rainfall recorded. The humidity levels also differ, with October at 67% and February at a more comfortable 46%. For more detailed insights on February weather, check out Chiang Mai weather in February.
October and March present contrasting weather patterns. In October, the temperatures range from a minimum of 20°C (69°F) to a maximum of 34°C (94°F), with an average of 26°C (80°F). This month experiences significant rainfall, with 156 mm (6.1 in) spread over 18 days, contributing to a higher humidity level of 67%. In contrast, March boasts warmer conditions, featuring temperatures that can soar up to 40°C (104°F), with an average of 28°C (82°F) and a minimum of 16°C (60°F). Notably, March has minimal precipitation, receiving just 1 mm (0.1 in) over the entire month, and enjoys low humidity at 38%. For a deeper dive into the specifics of March weather in Chiang Mai, you can explore Chiang Mai weather in March.
In comparing the weather between October and April, notable differences in temperature and precipitation emerge. October experiences a milder range with minimum temperatures around 20°C (69°F) and averages of 26°C (80°F), while April can reach much higher, with maximum temperatures soaring to 42°C (107°F). Additionally, October is considerably wetter, averaging 156 mm (6.1 in) of precipitation over 18 days, compared to April's much lighter rainfall of just 42 mm (1.7 in) over 6 days. Humidity also contrasts significantly, with October having a higher humidity level of 67% compared to April's drier 36%. For more details on April's weather, check out this link: Chiang Mai weather in April.
In comparing the weather of October and May, October typically has a slightly cooler range of temperatures, with an average of 26°C (80°F) compared to May’s warmer average of 30°C (86°F). While October sees maximum temperatures reaching 34°C (94°F), May can soar to a blistering 41°C (106°F). Additionally, October experiences more rainfall, with 156 mm (6.1 in) over 18 days, making it wetter than May, which has only 82 mm (3.2 in) of precipitation over 9 days. The humidity levels are fairly similar, with October at 67% and May slightly lower at 63%. For more detailed insights, you can check out Chiang Mai weather in May.
In comparing the weather of October and June, October boasts slightly cooler temperatures with a minimum of 20°C (69°F) and an average of 26°C (80°F), while June experiences higher temperatures, starting at a minimum of 23°C (74°F) and peaking at an average of 29°C (84°F) and a maximum of 40°C (104°F). Both months see noteworthy precipitation, with October receiving around 156 mm (6.1 in) over 18 days compared to June's 145 mm (5.7 in) over 17 days. Additionally, humidity levels are higher in June at 81%, compared to October's 67%, making June feel more muggy. For a more detailed look at June weather, you can check out Chiang Mai weather in June.
When comparing the weather in October and July, we see notable differences in both temperature and precipitation. October experiences a minimum temperature of 20°C (69°F) and an average of 26°C (80°F), with maximums reaching 34°C (94°F). In contrast, July offers higher temperatures, with a minimum of 23°C (73°F), an average of 28°C (83°F), and maximum temperatures soaring to 40°C (104°F). Precipitation levels are also significant, with October receiving 156 mm (6.1 in) over 18 days, while July sees even more rain at 218 mm (8.6 in) over 22 days. Additionally, humidity levels are higher in July at 83%, compared to October's 67%. For more detailed insights, check the link: Chiang Mai weather in July.
When comparing the weather in October and August, October exhibits slightly lower temperatures, with averages ranging from 20°C (69°F) to a maximum of 34°C (94°F), whereas August sees higher temperatures, peaking at 36°C (97°F). Additionally, October experiences less precipitation, accumulating 156 mm (6.1 in) over 18 days, compared to August, which has a much wetter climate with 268 mm (10.5 in) of rain spread over 26 days. The humidity in October is also more manageable at 67%, in contrast to August's higher humidity level of 91%. For more insights into August weather, you can check Chiang Mai weather in August.
In comparing the weather between September and October, we notice a slight drop in temperatures during the latter month. October experiences minimum temperatures of 20°C (69°F) and averages around 26°C (80°F), while September has higher minimums at 22°C (71°F) and an average of 27°C (81°F). Additionally, October tends to be drier, receiving 156 mm (6.1 in) of precipitation over 18 days, compared to September's 198 mm (7.8 in) over 21 days. Humidity levels also decrease in October to 67%, down from September's 83%. For a detailed look at September's weather, you can check Chiang Mai weather in September.
In October, temperatures in Chiang Mai are generally warmer, with a minimum of 20°C (69°F), an average of 26°C (80°F), and a maximum of 34°C (94°F). The month is also quite wet, receiving 156 mm (6.1 in) of precipitation over 18 days and featuring relatively high humidity at 67%. In contrast, November brings cooler temperatures, with a minimum of 13°C (56°F) and an average of 25°C (77°F). This month sees a significant reduction in rainfall, only 24 mm (0.9 in) over 5 days, and a drop in humidity to 60%. For more detailed information, you can check Chiang Mai weather in November.
In October, the weather is notably warmer, with temperatures averaging around 26°C (80°F) and reaching highs of 34°C (94°F), alongside significant rainfall of 156 mm (6.1 in) spread over 18 days. The humidity is also higher at 67%, contributing to a more sultry atmosphere. In contrast, December experiences a cooler climate with an average temperature of 21°C (71°F) and a lower maximum of 33°C (91°F). December is much drier, with only 13 mm (0.5 in) of rainfall occurring on about 1 day, and humidity dropping to 56%. For more detailed information, visit Chiang Mai weather in December.
As October unfolds in Chiang Mai, travelers can expect a delightful shift in the weather, setting it apart from the hotter months earlier in the year. The average temperature hovers comfortably around 26°C (80°F), providing a pleasant relief from the heat, while the evenings become refreshingly cool. However, this month also brings an uptick in rainfall, with frequent showers that contribute to the lush greenery of the region. The humidity rises to about 67%, creating a humid but vibrant atmosphere, ideal for exploring Chiang Mai’s stunning natural landscapes and cultural attractions. For those planning to visit, understanding the nuances of October's weather can enhance your experience—delve deeper into the details in our comprehensive section about Chiang Mai Climate.