Last updated: August 27, 2025
October in Ko Si Chang, Thailand offers a warm and humid climate, perfect for those who enjoy tropical weather. With maximum temperatures reaching 32°C (91°F) and an average of 28°C (82°F), visitors can expect balmy days and cool evenings. However, the month also sees significant rainfall, with an average precipitation of 232 mm (9.1 in) spread across 22 rainy days, contributing to the island's lush greenery. Humidity remains high at 83%, creating a vibrant, tropical atmosphere. Whether you're exploring the island's stunning landscapes or relaxing on the beach, October's weather in Ko Si Chang is sure to be both invigorating and refreshing.
In October, temperatures in Ko Si Chang begin to transition, offering a delightful blend of warm days and cooler evenings. The minimum temperature settles at a comfortable 24°C (76°F), providing a gentle backdrop for exploration. As the month progresses, the average temperature hovers around 28°C (82°F), ideal for beach activities or leisurely strolls. The maximum temperature peaks at 32°C (91°F), reminiscent of the preceding months but slightly softened by hints of the upcoming cooler season. This gradual shift in temperatures not only enhances the island's charm but also invites travelers to enjoy a perfect blend of warmth and freshness.
In October, Ko Si Chang experiences a significant amount of rainfall, with total precipitation measuring 232 mm (9.1 in) over 22 days. This marks a slight decline from the intense monsoon season peaks seen in September, where the island received 250 mm (9.8 in). As the wettest month of the year, October continues to embrace the tail end of the rainy season, contributing to the lush green landscapes that define this coastal gem. The consistent rainfall throughout both September and October underscores a trend of increasingly heavy precipitation in the latter half of the year, typically peaking in September, before beginning to taper off as November approaches. Overall, October serves as a reminder of nature's power and beauty, with rain rejuvenating the island's unique ecosystem.
In October, Ko Si Chang experiences a notable drop in humidity compared to the peak levels of the preceding months, with an average of 83%. This month serves as a transition point, as humidity typically climbs steadily from 59% in January to a high of 88% in August. Following the summer's sultry embrace, October hints at a gradual retreat into more comfortable conditions, but still retains a tropical feel that characterizes the region. As the year progresses into November, humidity continues to decline, wrapping up the end of the rainy season and ushering in a more pleasant climate for visitors.
In October, Ko Si Chang, Thailand, experiences a UV Index of 13, categorizing it as extreme exposure. This slight decline from the peak levels seen in the preceding months—where the UV Index consistently reached 14—indicates that while the risk is still significant, there are a few moments of respite as the region transitions towards the end of the rainy season. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against harmful UV rays. As part of a greater trend throughout the year, the months from February to September show alarmingly high UV levels, urging proactive skin protection strategies. For further details and a deeper dive into regional UV trends, check out the Ko Si Chang UV Index.
UV Risk Categories
October in Ko Si Chang graces visitors with a delightful 284 hours of sunshine, making it a charming time to experience this picturesque island. As the year transitions into the cooler months, sunlight begins to subtly wane from the peak of 336 hours in March, illustrating a gradual shift towards the quieter, less humid season. While the sunniest days are behind, October still offers more bright hours than the subsequent months of November and September, maintaining a welcoming atmosphere for outdoor adventures and relaxation. With this balanced blend of warmth and light, Ko Si Chang remains an inviting refuge for sun seekers looking to enjoy the beauty of Thai island life.
In Ko Si Chang, Thailand, October marks a significant drop in sunny weather, with only a 13% chance of sunshine. This trend is part of a broader pattern, where the island experiences its sunniest months earlier in the year, peaking in February at an impressive 75%. As the rainy season settles in, particularly from April to September, the likelihood of clear skies diminishes sharply, culminating in October’s overcast days. While November offers a slight respite with a 25% chance of sun, it remains a time best suited for travelers willing to embrace the island's lush and vibrant landscape, despite the lower probabilities of sunny weather.
In October, Ko Si Chang, Thailand experiences a return to 11 hours of daylight, reminiscent of the earlier months of January and February. This slight decrease in daylight marks a gradual transition as the wet season approaches, after several months of consistent 12-hour days from March through September. This pattern highlights the island's unique climate rhythms, where the abundance of sunlight is tempered by the cooling weather as the year draws to a close. The continuity in daylight hours throughout the summer months offers a bright backdrop for outdoor adventures, while October’s slightly shorter days hint at the approaching changes in both season and atmosphere.
As October descends upon Ko Si Chang, the island experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph). This subtle shift marks a departure from the more robust gusts of the summer months, where winds peaked in June at 4.8 m/s (11 mph). Throughout the year, it's evident that the wind tends to be more vigorous in the mid-summer, gradually calming down as the seasons transition. Though October experiences one of the lighter winds compared to the earlier summer months, it still offers a refreshing touch to the tropical atmosphere, contributing to the island's laid-back charm as visitors enjoy scenic views and leisurely strolls along the coast.
Weather in Ko Si Chang varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Ko Si Chang, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present distinct contrasts in weather. In October, the temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (91°F), with an average of 28°C (82°F). This month is characterized by high humidity at 83% and significant rainfall, averaging 232 mm (9.1 in) over 22 days. In contrast, January offers cooler conditions, with temperatures varying from a minimum of 18°C (64°F) to a maximum of 31°C (89°F) and an average of 27°C (81°F). Rainfall is minimal, with only 24 mm (0.9 in) recorded over just 3 days, and the humidity drops to a more comfortable 59%. For more detailed information, you can check Ko Si Chang weather in January.
In comparing the weather between October and February, October tends to be hotter and significantly wetter. With minimum temperatures around 24°C (76°F) and averages reaching 28°C (82°F), it's not uncommon for October to experience high humidity at 83% and substantial rainfall, averaging 232 mm (9.1 in) over 22 days. In contrast, February is slightly cooler, with minimum temperatures of 21°C (70°F) and average temperatures around 27°C (82°F). The humidity drops significantly to 58%, and precipitation is minimal, with only 19 mm (0.7 in) over just 4 days. For more detailed information about the weather conditions in February, you can visit Ko Si Chang weather in February.
In October, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and an average of 28°C (82°F), reaching a high of 32°C (91°F). However, this month experiences significant rainfall, with 232 mm (9.1 in) spread over 22 days, resulting in high humidity levels of 83%. In contrast, March sees similar minimum and maximum temperatures, but with an average of 29°C (84°F), the overall feel is slightly warmer. Rainfall is minimal in March, totaling just 38 mm (1.5 in) over 7 days, contributing to a much lower humidity level of 61%. For more detailed information, you can check Ko Si Chang weather in March.
When comparing the weather in October and April, October tends to be slightly cooler with an average temperature of 28°C (82°F) compared to April's warmer average of 29°C (85°F). However, April sees higher maximum temperatures reaching up to 34°C (93°F), while October's maximum is 32°C (91°F). Precipitation levels are significantly higher in October, with 232 mm (9.1 in) over 22 days, indicating a wetter month, while April experiences only 100 mm (3.9 in) over 14 days. Additionally, humidity is higher in October at 83%, compared to April's 70%. For more detailed information about April weather, you can check Ko Si Chang weather in April.
When comparing the weather in October and May, we see some notable differences. October experiences slightly warmer temperatures, with an average of 28°C (82°F) compared to May's 29°C (85°F). However, May boasts higher maximum temperatures, reaching up to 34°C (93°F), while October peaks at 32°C (91°F). In terms of rainfall, October is significantly wetter, with 232 mm of precipitation over 22 days, compared to May's 160 mm over 19 days. Humidity levels are also higher in October at 83%, contrasted with May's 80%. For more detailed information about the weather in May, you can check out Ko Si Chang weather in May.
In comparing the weather between October and June, October typically experiences slightly lower minimum temperatures, with an average of 24°C (76°F) compared to June's 26°C (80°F). Both months share similar maximum temperatures, peaking at around 32°C (90-91°F). However, October is significantly wetter, with 232 mm (9.1 in) of precipitation over 22 days, whereas June sees only 99 mm (3.9 in) across 21 days. Additionally, October has a slightly higher humidity level at 83%, while June is at 85%. For more insights, you can check out Ko Si Chang weather in June.
In comparing the weather of October and July, both months experience warm temperatures, but October tends to be slightly cooler overall. October has minimum temperatures of 24°C (76°F) and an average temperature of 28°C (82°F), while July starts higher with minimums of 26°C (79°F) and averages around 29°C (84°F). Precipitation is significantly heavier in October, with 232 mm (9.1 in) spread over 22 days, compared to July's 134 mm (5.3 in) over 23 days. Humidity levels are also high in both months, with October at 83% and July at 86%. For more specific details about the weather in Ko Si Chang during July, you can check out this link: Ko Si Chang weather in July.
When comparing the weather in October and August, October tends to be slightly cooler but more humid. In October, the minimum temperature averages 24°C (76°F) while August starts at a warmer 26°C (79°F). Both months have similar maximum temperatures, with October reaching 32°C (91°F) and August peaking at 31°C (89°F). However, October experiences significantly higher rainfall, with 232 mm (9.1 in) over 22 days compared to August's 138 mm (5.4 in) during the same number of days. Humidity levels are also notably high in both months, sitting at 83% in October and 88% in August. For more specific weather details, you can check Ko Si Chang weather in August.
In comparing the weather of October to September, we see that October experiences slightly lower minimum temperatures, with a minimum of 24°C (76°F) compared to September's 25°C (78°F). Both months have the same average temperature of 28°C (82°F) and a maximum of 32°C (89°F). However, October sees a decrease in precipitation, totaling 232 mm (9.1 in) over 22 days, as opposed to September, which had 250 mm (9.8 in) over 25 days. Humidity levels also drop slightly in October to 83%, compared to 87% in September, making October a marginally drier and less humid month. For more insights on September weather patterns, visit Ko Si Chang weather in September.
In October, the weather is generally warmer and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F). The month also sees significant rainfall, with a total precipitation of 232 mm (9.1 in) spread over 22 days, resulting in a humid environment with an average humidity of 83%.
In contrast, November experiences slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (91°F). Rainfall decreases considerably, with only 56 mm (2.2 in) recorded over 11 days, leading to lower humidity at 78%.
For more detailed information about the weather conditions during this time, you can check Ko Si Chang weather in November.
In October, the weather tends to be quite warm and humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F) and an average of 28°C (82°F). The month is also characterized by significant rainfall, receiving about 232 mm (9.1 in) across 22 days, resulting in a high humidity level of 83%. In contrast, December offers more moderate conditions, with temperatures dipping slightly to a minimum of 18°C (64°F) while maintaining a similar maximum of 32°C (91°F) and an average of 27°C (81°F). Precipitation in December is minimal at just 28 mm (1.1 in) over 3 days, contributing to a more comfortable humidity level of 70%. For more details on the weather during this month, check out Ko Si Chang weather in December.
As October unfolds in Ko Si Chang, the weather takes a notable turn, marked by both high humidity and increased rainfall. With temperatures averaging around a comfortable 28°C, the month presents a unique tropical atmosphere compared to the drier, hotter months preceding it. The significant precipitation, recording about 232 mm over approximately 22 days, contributes to the lush scenery, transforming the island's environment. Travelers can expect a more vibrant tropical experience, making it an ideal time for those who enjoy the beauty of an island under rainfall. For a deeper dive into weather patterns throughout the year, visit Ko Si Chang Climate.