Last updated: August 27, 2025
Experience the vibrant January weather in Sai Yok, Thailand, where temperatures can soar to a maximum of 37°C (99°F) while enjoying a pleasant average of 25°C (78°F). With a minimum dip to 13°C (56°F), the climate offers a diverse range of experiences for visitors. Although February witnesses a slight drizzle with 14 mm (0.6 in) of precipitation spread over just 3 days, the 58% humidity keeps the air refreshingly warm, making it a perfect time for outdoor adventures and exploration. Embrace the unique blend of heat and humidity that defines this captivating month!
In Sai Yok, Thailand, January marks the beginning of the year with temperatures that reflect the cooler transition from winter. The month boasts a minimum temperature of 13°C (56°F), rising to an average of 25°C (78°F), and peaking at a maximum of 37°C (99°F). This early month offers a refreshing respite compared to the sweltering heat seen in the following months. As February approaches, the temperatures begin to gradually increase, with minima settling around 17°C (62°F) and averages touching 27°C (81°F), showcasing a clear trend of warming as the region transitions towards spring. Overall, January serves as a gentle introduction to the hotter months ahead while still presenting manageable warmth for visitors and locals alike.
January in Sai Yok, Thailand, typically sees modest rainfall, with only 14 mm (0.6 in) of precipitation over just 3 days. This marks one of the driest months of the year, setting the stage for the gradual increase in rainfall as the region transitions into the wetter months. In comparison, February sees a slight dip to 9 mm while maintaining the same frequency of rainy days, further underscoring the dry season's hold. As the calendar moves towards March, precipitation begins to rise, culminating in a significant leap from April onward, where totals surge to 75 mm and beyond. This pattern highlights a steady build-up towards the monsoon season, illustrating how Sai Yok transforms from the tranquility of January into the vibrant lushness of mid-year.
In January, Sai Yok, Thailand experiences a moderate humidity level of 58%, setting the stage for a comfortable start to the year. As February rolls in, the humidity slightly climbs to 59%, demonstrating a gradual increase that continues through the warmer months. By March, the air feels a bit more humid at 62%, leading into April, where humidity rises significantly to 69%. The true shift occurs in the following months, as May sees a jump to 79%, culminating in a peak during the summer, where July and August reach a remarkable 89% and 90%, respectively. As the wet season wanes, humidity begins to recede with September at 87%, tapering to 83% in October. By the time the year closes, December settles down to a comfortable 66%, ensuring that the cycle of humidity shifts smoothly from the warmth of summer to the cooler, drier months.
In January, Sai Yok, Thailand, experiences a high UV Index of 11, categorized as extreme, with a rapid burn time of just 10 minutes. This trend of extreme UV exposure continues into February, with a slight increase to 12, and peaks in the following months of March through July, where the UV Index remains consistently high at 14. Even as the year progresses into October, the UV Index remains formidable at 13, before gradually tapering off in November and December to 10 and 9, respectively. Throughout the year, the need for sun protection in Sai Yok is paramount, particularly from January to August when the risk of harmful UV exposure is at its highest. For detailed information on UV levels, visit Sai Yok UV Index.
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In January, Sai Yok, Thailand, welcomes the year with 250 hours of bright sunshine, providing a refreshing start for locals and travelers alike. As the month advances towards spring, sunshine hours steadily increase, peaking at 328 hours in March. This trend of radiant days continues, with April and May also enjoying abundant sunlight, though slightly lower at 312 and 306 hours, respectively. By June, the sunshine starts to taper off as the rainy season approaches, with 291 hours, and the following months show a gradual decline, touching 259 hours in July. Interestingly, the sun remains a constant presence even in the later months, with the year wrapping up at 315 hours in December, demonstrating that while nature's rhythms may shift, Sai Yok's charm stays bright throughout the year.
In January, Sai Yok, Thailand enjoys a commendable 64% chance of sunny weather, making it one of the brighter months of the year. This early burst of sunshine contrasts sharply with the forthcoming months, as the likelihood of sun sharply declines in April to a mere 16%. As we move further into the year, particularly during the rainy season from May to August, the chances of sun dwindle to single digits, highlighting the stark climatic shift. However, a gradual increase resumes in November, culminating in another sunny spell in December at 67%. This trend underscores January's position as a prime time for outdoor activities before the region transitions into its wetter months.
In Sai Yok, Thailand, the daylight duration in January is a consistent 11 hours, setting the stage for a gradual shift towards longer days. As February rolls in, the lighting remains steady at 11 hours, but by March, the sun begins to linger a bit longer, stretching to 12 hours. This pattern of extended daylight continues through the summer months, from March to September, where the sun graces the skies with 12 hours of daylight each day, providing ample opportunities for outdoor adventures and exploration. As the year transitions into autumn, daylight gradually decreases once more, reverting to 11 hours in October and maintaining this duration through November and December. The rhythmic ebb and flow of daylight in Sai Yok fosters a vibrant atmosphere, inviting both residents and visitors to embrace the diverse experiences each season offers.
In Sai Yok, Thailand, January brings a gentle breeze with an average wind speed of 2.0 m/s (4 mph), setting the stage for a tranquil start to the year. As the months progress, there’s a noticeable pattern: the winds tend to pick up slightly in the summer months, with June peaking at 2.3 m/s (5 mph) before gradually tapering off again in the autumn and winter. February sees a slight decrease to 1.8 m/s, hinting at the onset of calmer conditions, while the spring remains consistently mild. Overall, Sai Yok experiences a pleasant ebb and flow in wind speeds, making January a perfect time to enjoy the serene outdoors before the summer breezes arrive.
Weather in Sai Yok varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sai Yok, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present notably warm weather, but February generally shows slightly higher temperatures. In January, the minimum temperature dips to 13°C (56°F) with an average of 25°C (78°F), while February sees a warmer minimum of 17°C (62°F) and an average of 27°C (81°F). Both months share a maximum temperature of 37°C (99°F), but February experiences less precipitation, with only 9 mm (0.3 in) compared to January's 14 mm (0.6 in), both having rain on three days. Humidity remains relatively stable, with January at 58% and February slightly higher at 59%. For more detailed weather insights, check Sai Yok weather in February.
In January, the weather features a minimum temperature of 13°C (56°F) and an average temperature of 25°C (78°F), peaking at a maximum of 37°C (99°F). There is minimal precipitation, with only 14 mm (0.6 in) recorded over three days and a humidity level of 58%. In contrast, March experiences milder nights with a minimum temperature of 18°C (65°F) and a higher average of 29°C (85°F), reaching up to 40°C (104°F) during the day. Rainfall increases slightly to 22 mm (0.9 in) over the same three days, accompanied by a slight rise in humidity to 62%. For more information on March weather, visit Sai Yok weather in March.
In January, the weather is generally milder, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 37°C (99°F) and an average of 25°C (78°F). Precipitation is relatively low, amounting to only 14 mm (0.6 in) over about 3 days, and humidity hovers around 58%. In contrast, April is significantly warmer, with temperatures ranging from a minimum of 20°C (68°F) to a scorching maximum of 41°C (106°F) and an average of 30°C (86°F). Additionally, April sees much more rainfall, with total precipitation of 75 mm (2.9 in) spread over 14 days and increased humidity at 69%. For more details on April weather, check out Sai Yok weather in April.
In January, the weather is characterized by warm temperatures ranging from a minimum of 13°C (56°F) to a maximum of 37°C (99°F), with an average of 25°C (78°F). This month receives relatively low precipitation, totaling just 14 mm (0.6 in) over about 3 days, and maintains a humidity level of 58%. In contrast, May exhibits significantly warmer conditions, with temperatures starting at a minimum of 23°C (73°F) and peaking at 40°C (104°F), averaging 29°C (85°F). Rainfall becomes much more frequent in May, with total precipitation reaching 111 mm (4.4 in) across 19 days, while humidity rises to 79%. For a detailed look at the weather patterns during this month, you can check out Sai Yok weather in May.
In January, the weather is marked by mild temperatures, with a minimum of 13°C (56°F) and an average of 25°C (78°F), reaching a maximum of 37°C (99°F). This month experiences low precipitation, totaling only 14 mm (0.6 in) over about 3 days, with a humidity level of 58%. In contrast, June brings a significant shift, featuring higher minimum temperatures starting at 23°C (75°F) and an average of 28°C (83°F), peaking at 38°C (100°F). However, June is characterized by much heavier rainfall, with 134 mm (5.3 in) over 21 days and increased humidity at 87%. For more details on the June weather in Sai Yok, you can visit Sai Yok weather in June.
January and July present contrasting weather conditions. In January, temperatures range from a minimum of 13°C (56°F) to a maximum of 37°C (99°F), with an average of 25°C (78°F). The month experiences relatively low precipitation, totaling just 14 mm (0.6 in) over three days, complemented by a moderate humidity level of 58%. In stark contrast, July sees significantly warmer nighttime temperatures, starting at a minimum of 23°C (74°F) and averaging 28°C (82°F), with a high of 35°C (96°F). This month is characterized by heavy rainfall, accumulating 135 mm (5.3 in) across 22 days, and a much higher humidity of 89%. For more insights into the July weather conditions, you can check Sai Yok weather in July.
The weather in January contrasts significantly with that of August. In January, temperatures range from a minimum of 13°C (56°F) to a maximum of 37°C (99°F), with an average of 25°C (78°F). The month experiences relatively low precipitation of 14 mm (0.6 in) over just 3 days and a moderate humidity level of 58%. In stark contrast, August sees much warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 35°C (96°F), averaging 27°C (81°F). This month is characterized by high precipitation levels of 202 mm (8.0 in) spread over 25 days, along with significantly increased humidity at 90%. For a detailed look at weather conditions in August, you can visit Sai Yok weather in August.
In January, the weather is generally mild and dry, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 37°C (99°F) and an average of 25°C (78°F). The month sees minimal precipitation, with only 14 mm (0.6 in) over about 3 days, and a humidity level of 58%. In contrast, September is much wetter and more humid, with minimum temperatures at 23°C (73°F), averages around 27°C (81°F), and highs peaking at 37°C (98°F). The rainfall is significantly higher in September, totaling 214 mm (8.4 in) over 23 days, resulting in a humidity level of 87%. For more detailed information, visit Sai Yok weather in September.
In January, the weather tends to be quite warm and relatively dry, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 37°C (99°F) and average humidity at 58%. With only 14 mm (0.6 in) of precipitation over about three days, it's typically one of the drier months of the year.
In contrast, October brings more humid and wetter conditions, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 34°C (94°F) and average humidity rising to 83%. This month sees significantly more rainfall, totaling 173 mm (6.8 in) across approximately 20 days. Those interested in experiencing the distinct differences in weather can learn more about Sai Yok weather in October.
In January, temperatures are generally warmer, with a minimum of 13°C (56°F) and a maximum of 37°C (99°F), resulting in an average temperature of 25°C (78°F). The month experiences relatively low precipitation, totaling 14 mm (0.6 in) over just 3 days, and has a humidity level of 58%. In contrast, November sees a slightly cooler temperature range, with a minimum of 18°C (65°F) and a maximum of 34°C (93°F), averaging 26°C (79°F). However, November is much wetter, with 59 mm (2.3 in) of rain spread over 10 days and higher humidity at 77%. For more detailed information on weather trends in November, you can visit Sai Yok weather in November.
When comparing the weather in January and December, January is slightly warmer with maximum temperatures reaching up to 37°C (99°F) compared to December's maximum of 35°C (94°F). Both months have similar average temperatures, hovering around 25°C (77°F to 78°F). While January experiences a bit more precipitation, at 14 mm (0.6 in) over three days, December is slightly drier with only 11 mm (0.4 in) over two days. Additionally, December has a higher humidity level at 66%, compared to January's 58%. For more details, check out Sai Yok weather in December.
January in Sai Yok is a refreshing departure from the heavier rains and humidity of other months, offering a delightful blend of warm days and cooler nights. With daytime temperatures peaking at a comfortable 37°C and evening lows dipping to a crisp 13°C, visitors can enjoy a pleasant outdoor experience. The month sees minimal rainfall, with only 3 days of light precipitation, making it ideal for exploring the stunning natural beauty of the region. Compared to the wetter months ahead, January stands out as a serene and enjoyable time to visit. For more details on the climate, check out Sai Yok Climate.