Last updated: August 27, 2025
In October, Chiang Rai, Thailand experiences a warm and humid climate, with maximum temperatures reaching 34°C (93°F) and an average of 25°C (78°F). As the month progresses, nighttime brings relief with temperatures dipping to a minimum of 18°C (65°F). Rainfall is a notable feature of this month, accumulating to 161 mm (6.3 in) over about 19 days, making it one of the wetter periods of the year. The humidity hovers around 67%, adding to the lush greenery that characterizes this enchanting region during this time. Visitors should be prepared for rain while enjoying the vibrant landscapes and cultural experiences Chiang Rai has to offer.
In October, temperatures in Chiang Rai, Thailand, begin to cool slightly as the region transitions from the intense heat of summer. The average temperature dips to a comfortable 25°C (78°F), with nighttime lows around 18°C (65°F). This month offers a pleasant reprieve, as maximum temperatures hover around 34°C (93°F), making it ideal for exploring the city's stunning temples and lush landscapes. As the rainy season starts to wane, the climate becomes more inviting, allowing visitors to enjoy outdoor activities without the sweltering heat characteristic of the preceding months. Overall, October presents a delightful balance of warmth and comfort, setting the stage for an enriching travel experience.
In October, Chiang Rai experiences a significant tapering off of the heavy rains that dominate the earlier months of the monsoon season. With 161 mm (6.3 in) of precipitation spread across 19 days, this month exhibits a decline compared to the peak in August, when rainfall reached 382 mm (15.1 in). The pattern of wet weather shifts from the intense downpours of summer to more intermittent showers. This transition signals the onset of cooler temperatures and clearer skies, making October a unique time in the region. Just a month prior, September recorded 260 mm (10.2 in) over 24 rainy days, but October’s milder rainfall sets the stage for a gradual retreat into the drier months ahead, revealing a noteworthy ebb in the monsoonal rhythm.
In October, the humidity in Chiang Rai, Thailand experiences a notable decline to 67%, providing a brief respite as the region transitions from the peak rainy season. The month stands out as a bridge between the high humidity of the summer months—peaking in August at a significant 91%—and the slightly drier conditions of late fall, where humidity gradually decreases to 60% in November. This trend highlights the region's climatic rhythm, where the initial post-monsoon months of September and October still carry considerable moisture, yet signal a shift towards more comfortable levels as the year winds down. As October unfolds, residents and visitors can enjoy the lush landscapes while benefitting from the cooler temperatures and reduced humidity compared to the sweltering summer months.
In October, the UV Index in Chiang Rai, Thailand, reaches 13, maintaining an extreme exposure category similar to the peak months earlier in the year. With a burn time of just 10 minutes, it's crucial to take protective measures during this time. As the monsoon season begins to wane, October reflects a slight drop from the summer months of May through September, which saw a consistent UV Index of 14. This pattern highlights the relentless sun exposure experienced in the region throughout much of the year. As the transition into the cooler months approaches, November will bring a decrease in UV levels, dropping to 10, but for now, staying sun-safe is paramount. For more insights, check the detailed Chiang Rai UV Index.
UV Risk Categories
As October unfolds in Chiang Rai, Thailand, the sun continues to shine brightly, providing about 287 hours of daylight. This marks a slight increase from September's 275 hours, illustrating a trend of gradual sun accumulation as the region transitions further into the dry season. Following a summer peak in hours of sunlight during May, which boasts an impressive 333 hours, October's sunshine can be viewed as part of a consistent yearly cycle where each month gradually fluctuates around an average, creating a captivating interplay of light and weather. As the days become shorter leading into November, the warmth and brightness of October offer a perfect backdrop for exploring the natural beauty and cultural richness of this charming northern Thai city.
In Chiang Rai, Thailand, the likelihood of sunny weather sees a notable shift as the year progresses. The region enjoys its sunniest months in early year, with chances peaking at 80% in March and 73% in February. However, as the rainy season takes hold in the summer months, the sun's presence dwindles significantly, dropping to a mere 11% in June and only 15% in July. By the time October arrives, the chance of sunny weather sits at a modest 30%, suggesting a transitional period where lingering rain from the wet season can still disrupt clear skies. While this is an improvement over the preceding months, travelers seeking warmth and sun may want to plan carefully, as November brings a brighter forecast with a 47% chance of sunshine.
In October, Chiang Rai experiences a return to 11 hours of daylight, echoing the consistency seen in January and February. This month marks a gradual transition, as daylight begins to recede following the longer days of summer, which peak in May through July with 13 hours. As the year progresses, October serves as a gentle reminder of the cyclical nature of daylight, with its hours diminishing steadily from summer’s peak back to the shorter days of winter. Visitors can enjoy the crisp, cool air of early autumn while still basking in ample daylight, making it an ideal time for exploration in this beautiful northern Thai province.
As October arrives in Chiang Rai, the calming October winds drift in at an average speed of 1.2 m/s (3 mph), slightly lower than the summer months but providing a gentle embrace as the region transitions from the rainy season. The winds have shown a subtle decline since their peak in June at 1.6 m/s (4 mph), reflecting the overall decrease that begins with the onset of fall. While September's breezes were the lightest of the year at 1.1 m/s (2 mph), October offers a pleasant lift, hinting at the refreshing coolness of upcoming months. This gradual shift in wind patterns not only signifies the change in seasons but also enhances the tranquil atmosphere, making it an inviting time for both locals and travelers to enjoy the serene landscapes of northern Thailand.
Weather in Chiang Rai varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Chiang Rai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is characterized by warm temperatures, with a minimum of 18°C (65°F), averaging around 25°C (78°F) and reaching up to 34°C (93°F). This month sees considerable rainfall, totaling 161 mm (6.3 in) over approximately 19 days, and an elevated humidity level of 67%. In contrast, January offers a more moderate climate, with temperatures ranging from a minimum of 7°C (46°F) to an average of 20°C (69°F) and a maximum of 33°C (91°F). Precipitation drops significantly to 39 mm (1.5 in) spread over just 4 days, and humidity decreases to 51%. For a detailed look at January weather in Chiang Rai, visit Chiang Rai weather in January.
October and February present distinct weather patterns, making each month unique in its own right. In October, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). The month is also characterized by considerable rainfall, totaling 161 mm (6.3 inches) over 19 days, and higher humidity at 67%. In contrast, February boasts a cooler minimum of 10°C (51°F) and a similar maximum of 35°C (96°F), with an average temperature of 22°C (72°F). February experiences significantly less precipitation, with only 16 mm (0.6 inches) falling over just one day and lower humidity at 46%. For a detailed outlook on February weather in Chiang Rai, visit Chiang Rai weather in February.
In comparing the weather conditions of October and March, October tends to be warmer overall, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F). This month also experiences significantly more precipitation, totaling 161 mm (6.3 in) over 19 days, leading to a higher humidity level of 67%. In contrast, March presents a different climate profile with temperatures ranging from a minimum of 12°C (53°F) to a much hotter maximum of 39°C (102°F). Precipitation in March is minimal, with only 13 mm (0.5 in) recorded over just 2 days and a much lower humidity of 38%. For a more detailed look at what to expect, check out Chiang Rai weather in March.
When comparing the weather in October and April, notable differences emerge. October experiences slightly warmer temperatures with a minimum of 18°C (65°F) and an average of 25°C (78°F), peaking at 34°C (93°F). In contrast, April boasts a higher maximum temperature of 40°C (105°F) while maintaining a similar minimum of 16°C (61°F) and an average of 27°C (80°F). Both months receive substantial rainfall, with October recording 161 mm (6.3 in) over 19 days, compared to April's 171 mm (6.7 in) over just 13 days. Moreover, October's humidity is notably higher at 67%, while April sees a lower humidity level of 36%. For more information on April weather, you can visit Chiang Rai weather in April.
When comparing the weather in October and May, one can observe distinct differences in temperature and precipitation patterns. October typically features a minimum temperature of 18°C (65°F) and reaches a comfortable average of 25°C (78°F), with maximum temperatures peaking at 34°C (93°F). In contrast, May is generally warmer, with a minimum temperature of 20°C (69°F) and an average of 27°C (82°F), soaring up to peak temperatures of 41°C (106°F). Both months experience a similar number of rainy days, around 19, but May has higher total precipitation at 203 mm (8.0 in) compared to October's 161 mm (6.3 in). Additionally, October's humidity stands at 67%, slightly higher than May’s 63%. For more detailed information, you can check the Chiang Rai weather in May.
In comparing the weather of October and June, October tends to be slightly cooler with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), while June experiences higher temperatures with a minimum of 23°C (73°F) and a maximum of 37°C (99°F). October has 161 mm (6.3 in) of precipitation over 19 days, making it a wetter month, but June is even rainier with 277 mm (10.9 in) across 25 days. Additionally, humidity levels are higher in June at 81%, compared to October's 67%. For more detailed information on June weather, you can check Chiang Rai weather in June.
When comparing the weather in October and July, October generally offers milder temperatures, with a minimum of 18°C (65°F) and an average of 25°C (78°F), in contrast to July's warmer minimum of 22°C (72°F) and average of 27°C (81°F). July experiences more extreme heat, reaching a maximum of 37°C (98°F), whereas October peaks at a lower maximum of 34°C (93°F). Precipitation levels also differ significantly; July sees 327 mm (12.9 in) of rain over 27 days, compared to October's 161 mm (6.3 in) spread across 19 days, resulting in higher humidity in July at 83%, compared to October's 67%. For a closer look at July conditions, check out Chiang Rai weather in July.
When comparing the weather in October and August, October experiences slightly cooler temperatures, with average highs reaching 34°C (93°F) compared to August's 36°C (96°F). While October has a minimum temperature of 18°C (65°F), August starts warmer at 23°C (73°F). Precipitation is significantly higher in August, totaling 382 mm (15.1 in) over 28 days, whereas October sees 161 mm (6.3 in) spread over 19 days. Additionally, August has higher humidity levels at 91% compared to October's 67%. For more detailed information, check out Chiang Rai weather in August.
In comparing the weather between September and October, October tends to be slightly cooler with a minimum temperature of 18°C (65°F) and an average of 25°C (78°F), compared to September's minimum of 20°C (68°F) and average of 26°C (80°F). However, September experiences higher maximum temperatures, peaking at 35°C (96°F) compared to October's maximum of 34°C (93°F). Moreover, October sees a significant decrease in precipitation, with 161 mm (6.3 in) over 19 days, while September has more rain, totaling 260 mm (10.2 in) over 24 days. The humidity also drops in October to 67%, down from September’s higher level of 83%. Overall, October offers a more comfortable climate with less rain and lower humidity. For more details, check Chiang Rai weather in September.
In October, the weather tends to be warmer and wetter, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) and an average of 25°C (78°F). The month experiences significant precipitation, totaling 161 mm (6.3 in) over 19 days, with humidity levels averaging around 67%. In contrast, November sees cooler temperatures, with a minimum of 13°C (57°F) and an average of 23°C (74°F), while the maximum remains similar at 33°C (93°F). Rainfall decreases substantially to 48 mm (1.9 in) over just 9 days, and humidity also dips to 60%. For more details, you can check the Chiang Rai weather in November.
In October, the weather is significantly warmer and more humid, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) and an average of 25°C (78°F). Additionally, October experiences substantial rainfall, totaling 161 mm (6.3 in) over 19 days, contributing to a humidity level of 67%. In contrast, December brings cooler and drier conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (90°F) and an average of 20°C (68°F). The month sees only 33 mm (1.3 in) of precipitation, spread over just 4 days, resulting in a lower humidity of 56%. For more details on the December weather, check out Chiang Rai weather in December.
As October unfolds in Chiang Rai, the weather showcases a unique blend of warmth and moisture, setting it apart from the rest of the year. With maximum temperatures soaring to a balmy 34°C (93°F) and an average of 25°C (78°F), visitors can expect enjoyable days, albeit with humidity reaching 67%. The month brings considerable rainfall, marked by 19 wet days and a total precipitation of 161 mm (6.3 in), transforming the landscape into a vibrant tapestry of greenery. This combination of warmth and rain creates a refreshing atmosphere, making October an ideal time for those looking to experience Chiang Rai's lush beauty. For a more detailed look at what this month has in store, check out Chiang Rai Climate.