Last updated: August 27, 2025
In April, Sai Yok, Thailand experiences a warm and humid climate, with temperatures peaking at a scorching 41°C (106°F) and averaging around 30°C (86°F). The nights offer a cooler reprieve, with minimum temperatures dropping to a comfortable 20°C (68°F). This month also marks a significant increase in rainfall, accumulating to 75 mm (2.9 in) over approximately 14 days, resulting in a humidity level of 69% that amplifies the tropical atmosphere. Travelers can expect a mix of sunny spells and showers, making it an intriguing time to explore this vibrant region.
In April, Sai Yok, Thailand, sizzles with the arrival of warmer weather, marking a definitive shift as temperatures escalate. The month opens with a minimum temperature of 20°C (68°F), gradually rising to a sweltering maximum of 41°C (106°F), making it one of the hottest months of the year. The average temperature stands at a pleasant 30°C (86°F), providing a stark contrast to the cool beginnings of the year. As spring progresses, the rising heat becomes increasingly pronounced, reflecting a broader trend of escalating temperatures throughout March and April. This month’s warmth not only signals the closing chapter of the cool season but also invites outdoor enthusiasts to explore the lush landscapes and unique attractions Sai Yok has to offer before the monsoon begins to set in.
April marks a notable shift in precipitation patterns in Sai Yok, Thailand, with rainfall significantly increasing to 75 mm (2.9 in) over 14 days. This surge represents a dramatic escalation compared to previous months, where rainfall was minimal, peaking at just 22 mm (0.9 in) in March. The transition into April heralds the arrival of the wet season, setting the stage for even more abundant rains in May and beyond, when precipitation totals can exceed 100 mm. The increase in rainy days not only contributes to this rise but also establishes April as a pivotal month in the region's climatological calendar, signaling the onset of wetter conditions that will define the months ahead.
In April, Sai Yok, Thailand, experiences a noticeable rise in humidity, reaching 69%, which sets the stage for the impending wet season. This uptick reflects a broader trend observed from the earlier months, where humidity steadily increased from 58% in January to 62% in March. As the weather shifts, April's humidity serves as a clear precursor to the more severe moisture levels that follow in May and June, which soar to 79% and 87%, respectively. The progression suggests a transition from the cooler, drier months of winter to the lush, tropical climate of the rainy season, inviting nature's revival and presenting both challenges and beauty in this vibrant region.
In April, Sai Yok, Thailand, continues to experience intense sunshine, marked by a UV Index of 14, which classifies it in the extreme exposure category. This means that, much like the preceding months, you'll need to be cautious as unprotected skin can burn in just 10 minutes. Interestingly, this high UV Index persists not only in April but also in March and May, suggesting a consistent trend of extreme sun exposure in these early months of the year. As the heat intensifies, it's crucial to stay protected and informed. For more details, check out the full report on the Sai Yok UV Index.
UV Risk Categories
April brings a delightful blend of sunshine to Sai Yok, with an impressive 312 hours of bright daylight, just a shade less than the preceding months of January and February. This trend reflects a steady increase in daytime hours as winter gives way to spring, peaking in March with 328 hours. Following April, the hours begin to taper off again in May, but remain substantial, ensuring that the lush landscapes and natural attractions remain bathed in light for explorers and nature lovers alike. Overall, the data reveals a captivating ebb and flow of sunlight throughout the year, with April standing out as a vibrant transition into the warmer months.
As we transition into April in Sai Yok, Thailand, the likelihood of sunny weather takes a notable dip, with only a 16% chance of clear skies. This marks a significant drop from the sunnier months earlier in the year, such as January and February, which boast 64% and 78% chances, respectively. Following April, the sun seems to shy away even more, with May and June maintaining a low 31% and 16% chance of sunny days. This trend suggests that locals and visitors alike should prepare for the increasing likelihood of overcast conditions and rain as the month progresses, a stark contrast to the vibrant sunshine experienced earlier in the season.
In Sai Yok, Thailand, April marks a continuation of the delightful spring days with 12 hours of daylight, mirroring the trend established in March and seamlessly blending into the upcoming months. This consistency in daylight duration highlights a stable climate, where residents and visitors alike can enjoy ample sunlight for outdoor activities. As the year progresses, daylight hours remain steady, fluctuating only modestly, dipping to 11 hours by October and returning to that length in the later months. This predictable cycle not only enhances the appeal of Sai Yok in spring but also offers insight into the region's climatic patterns, making it an ideal destination for nature enthusiasts all year round.
In April, the winds in Sai Yok, Thailand, present a gentle embrace, with an average speed of 1.5 m/s (3 mph), mirroring the stillness of March. This steady breeze sets the stage for the transition into the warmer months ahead. As the year progresses, one can notice a gradual increase in wind speeds, peaking in June and July at 2.3 m/s (5 mph) and 2.2 m/s (5 mph) respectively. Following this peak, the winds soften once again, descending to 1.5 m/s (3 mph) by September. This fluctuation highlights a reliable pattern of breezy transitions, subtly guiding residents and visitors alike through the rhythmic changes of seasons in this picturesque locale.
Weather in Sai Yok varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sai Yok, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather conditions. In April, temperatures soar, with averages reaching 30°C (86°F) and maximums peaking at 41°C (106°F), while humidity stands at a high 69%. The month is also characterized by more precipitation, totaling 75 mm (2.9 in) over 14 days. In contrast, January features milder temperatures, with an average of 25°C (78°F) and maximums of 37°C (99°F). Rainfall is minimal at just 14 mm (0.6 in) across only 3 days, and humidity is lower at 58%. These differences make January a cooler and drier month compared to the hot and wetter April. For more details, visit Sai Yok weather in January.
April exhibits significantly warmer temperatures compared to February, with a minimum of 20°C (68°F) and an average of 30°C (86°F), peaking at a sweltering 41°C (106°F). In contrast, February offers slightly cooler weather, with temperatures ranging from a minimum of 17°C (62°F) to an average of 27°C (81°F), and a maximum of 37°C (99°F). April also experiences higher precipitation, with 75 mm (2.9 in) spread over 14 days, while February sees a mere 9 mm (0.3 in) over just 3 days. Additionally, April's humidity is higher at 69%, compared to February's 59%. For more detailed weather information, you can visit Sai Yok weather in February.
April's weather is characterized by higher temperatures and increased humidity compared to March. The minimum temperature in April rises to 20°C (68°F), with an average of 30°C (86°F) and a maximum reaching 41°C (106°F). In contrast, March has slightly cooler temperatures, with a minimum of 18°C (65°F), an average of 29°C (85°F), and a maximum of 40°C (104°F). Additionally, April experiences significantly more precipitation, tallying 75 mm (2.9 in) over 14 days, compared to March's 22 mm (0.9 in) over just 3 days. Humidity also increases from 62% in March to 69% in April, adding to the warmth of the latter month. For a detailed comparison, you can check Sai Yok weather in March.
In comparing the weather of April and May, we see a noticeable shift in temperature and precipitation patterns. April experiences a range of temperatures from a minimum of 20°C (68°F) to a maximum of 41°C (106°F), with an average of 30°C (86°F). In contrast, May starts warmer with a minimum temperature of 23°C (73°F) and an average temperature of 29°C (85°F), while the maximum reaches 40°C (104°F).
Precipitation also increases significantly in May, totaling 111 mm (4.4 in) over 19 days, compared to April's 75 mm (2.9 in) over 14 days. Additionally, humidity levels rise in May to 79%, up from April's 69%. For more details on May weather specifically in the Sai Yok region, you can check Sai Yok weather in May.
In comparing the weather between April and June, it's clear that June tends to be more humid and wetter. April experiences a temperature range from a minimum of 20°C (68°F) to a maximum of 41°C (106°F), with an average temperature of 30°C (86°F) and 75 mm (2.9 in) of precipitation over 14 days at a humidity level of 69%. In contrast, June has a slightly higher minimum temperature of 23°C (75°F) and an average of 28°C (83°F), but it is cooler at its maximum of 38°C (100°F). The month sees significantly more rainfall at 134 mm (5.3 in) over 21 days, alongside increased humidity at 87%. For those interested in more specifics about June weather, they can refer to Sai Yok weather in June.
In comparing the weather of April and July, April tends to be hotter with average temperatures peaking around 30°C (86°F) and reaching a maximum of 41°C (106°F). It also experiences significant humidity at 69% and receives about 75 mm (2.9 in) of precipitation over 14 days. In contrast, July is generally cooler with minimum temperatures rising to 23°C (74°F) and average temperatures of 28°C (82°F), but it has higher humidity levels at 89% and increased rainfall, totaling 135 mm (5.3 in) over 22 days. For more detailed information on July weather, visit Sai Yok weather in July.
In April, temperatures in Sai Yok generally range from a minimum of 20°C (68°F) to a scorching maximum of 41°C (106°F), with an average temperature of 30°C (86°F). Despite the high heat, the month sees about 75 mm (2.9 in) of precipitation spread across 14 days, along with a humidity level of 69%. In contrast, August is cooler, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 35°C (96°F), averaging 27°C (81°F). However, it is considerably wetter, featuring around 202 mm (8.0 in) of rainfall over 25 days, and the humidity rises to 90%. For more specific insights, visit Sai Yok weather in August.
In comparing the weather of April and September, April tends to be hotter, with minimum temperatures around 20°C (68°F) and averaging 30°C (86°F), occasionally peaking at 41°C (106°F). In contrast, September experiences milder temperatures, with a minimum of 23°C (73°F) and an average around 27°C (81°F), but it can reach a maximum of 37°C (98°F). However, September is significantly wetter, receiving 214 mm (8.4 in) of precipitation over 23 days, compared to April's 75 mm (2.9 in) over 14 days. Additionally, humidity levels are higher in September at 87%, compared to 69% in April. For more detailed information, check out Sai Yok weather in September.
In April, the weather is characterized by higher temperatures, with daily averages around 30°C (86°F) and maximums reaching up to 41°C (106°F), alongside a humidity level of 69%. While April does see some precipitation, averaging 75 mm (2.9 in) over about 14 days, it remains relatively drier compared to October. In contrast, October experiences cooler temperatures with a minimum of 21°C (70°F) and an average of 27°C (81°F), alongside maximums of 34°C (94°F). However, October is notably wetter, with 173 mm (6.8 in) of rain spread over approximately 20 days, and a higher humidity level of 83%. For more detailed information about October weather, you can refer to Sai Yok weather in October.
In comparing the weather of April and November, April features significantly warmer temperatures, with a minimum of 20°C (68°F) and maximum reaching up to 41°C (106°F), while November’s range is milder, with a minimum of 18°C (65°F) and a maximum of 34°C (93°F). Additionally, April experiences higher average temperatures, averaging around 30°C (86°F), compared to November's average of 26°C (79°F). Both months have notable humidity levels, with November slightly higher at 77% compared to April's 69%. Precipitation is more frequent in April, occurring on 14 days with a total of 75 mm (2.9 in), whereas November sees less precipitation at 59 mm (2.3 in) over 10 days. For a more detailed look at the weather conditions in November, you can check Sai Yok weather in November.
April generally features hotter temperatures compared to December, with minimums around 20°C (68°F) and highs reaching up to 41°C (106°F), while December has cooler temperatures ranging from a minimum of 14°C (58°F) to a maximum of 35°C (94°F). In April, the weather can be more humid with an average humidity of 69% and significant rainfall of 75 mm (2.9 in) over about 14 days. Conversely, December experiences less precipitation at just 11 mm (0.4 in) across only 2 days, along with slightly lower humidity levels at 66%. For more detailed information, you can check Sai Yok weather in December.
April in Sai Yok contrasts sharply with the milder months preceding it, as temperatures soar to sweltering heights, creating a hot and humid environment. With an average warmth that beckons the sun, the relatively high humidity amplifies the heat, making outdoor activities feel more intense. Additionally, April sees an uptick in rainfall, with frequent showers adding an unexpected twist to the otherwise dry landscape. This combination of heat and precipitation sets the stage for the transition into the monsoon season, offering a unique snapshot of Sai Yok's climate dynamics. To explore more about how April weather fits into the broader context, visit Sai Yok Climate.