Last updated: August 27, 2025
April in Si Racha, Thailand brings a blend of warmth and moisture, making it a vibrant time of year. With maximum temperatures soaring to 37°C (99°F) and an average of 29°C (85°F), the days are typically hot, while cooler nights dip to a comfortable 20°C (67°F). This month, however, also marks a transition with 122 mm (4.8 in) of rainfall spread across 18 days, contributing to a humidity level of 70%. Such conditions create an atmosphere rich in tropical energy, perfect for those who enjoy the lush landscapes and vibrant life that define this coastal gem.
April in Si Racha, Thailand, marks the transition into the peak heat of the year, with temperatures consistently on the rise. The month begins with a minimum temperature of 20°C (67°F) and soars to a blistering average of 29°C (85°F), peaking at an impressive 37°C (99°F). This trend reflects the gradual warmth that started in March, where the month's max hit 36°C (97°F). As the days grow longer and hotter, April's climate invites visitors to enjoy the vibrant coastal life, although staying hydrated and protected from the sun becomes essential. Overall, it’s a month that showcases Si Racha's charm under the bright, scorching sun, heralding the onset of summer.
In April, Si Racha experiences a notable increase in precipitation compared to the earlier months, with 122 mm (4.8 in) of rain falling over 18 days. This substantial rise marks a shift into the wet season, where the rain pours more frequently and heavily. Following March's 60 mm and just ahead of May's peak of 166 mm, April sets the stage for the intensifying monsoon atmosphere. As the month progresses, residents and visitors can expect a vibrant landscape nourished by these frequent showers, transforming the surroundings with lush greenery and a refreshing environment. The pattern is clear: April is a dynamic month, bridging the transition from the relatively dry days of early spring to the heart of the rainy season.
As April arrives in Si Racha, Thailand, residents experience a noticeable jump in humidity, reaching 70%, which marks a significant increase from the more comfortable levels of the earlier months. This trend sets the stage for the forthcoming wet season, as humidity continues to rise sharply through May and June, peaking at 85% and 86%, respectively. The gradual increase from 59% in January to the April spike illustrates the shifting climate, gradually transitioning towards the hotter and more humid months of summer. By analyzing these patterns, it's clear that April serves as a pivotal moment, heralding the onset of the tropical weather that defines the region in the following months.
In April, Si Racha, Thailand, experiences an extreme UV Index of 14, maintaining the trend from March and continuing into May, making it crucial for sun safety. With a burn time of just 10 minutes, outdoor enthusiasts must remain vigilant, especially when engaging in activities during peak sun hours. The months leading up to April show a gradual escalation in UV exposure, highlighted by a significant increase from 10 in January to 14 by April, underscoring the onset of the hotter season. As temperatures rise, consistent precautions are essential to protect skin health. For more detailed information, check out the Si Racha UV Index.
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In Si Racha, Thailand, April shines with an impressive 321 hours of sunshine, maintaining the region's reputation for vibrant sunlight as spring unfolds. Following the sunniest month of the year, March at 336 hours, April's warmth gently transitions into the consistent glow of May, which offers just slightly more sun at 322 hours. This steady sunshine trend is a delightful invitation for outdoor activities, as residents and visitors alike bask in the brilliant weather that lingers through the early summer months. However, as the year progresses, the hours of sunshine gradually dip, with July and August recording a decrease to 287 hours, marking a shift towards the rainy season while still ensuring plenty of bright days for exploration and enjoyment.
As April approaches in Si Racha, Thailand, travelers should be aware that the likelihood of sunny weather significantly diminishes, dropping to a mere 16% chance of sunshine. This decline follows the relatively bright months of January and February, which boast sun probabilities of 57% and 71%, respectively. March experiences a slight dip to 53%, but the continuous downward trend becomes stark in April, marking the onset of the rainy season. The months that follow, from May to July, show a further decrease, with the chance of sunny days plummeting to lows of 12% in July and 9% in August. Such trends highlight April as a transitional month, swiftly leading into a period where cloud cover and rain become more prevalent.
In Si Racha, Thailand, April offers a delightful transition in daylight duration, maintaining a consistent 12 hours of sunlight. Following the steady 11 hours in the early months of the year, daylight begins to stretch in March and settles into a comfortable pattern that continues through May. This trend of extended daylight not only enhances the vibrancy of the landscape but also invites residents and visitors alike to engage in outdoor activities. As the year progresses into the summer months, this consistent 12-hour daylight spans creates an ideal balance of light and warmth, making April a particularly appealing time to appreciate the beauty of Si Racha.
In April, Si Racha experiences the lightest winds of the year, with an average speed of just 1.9 m/s (4 mph). This marks a notable decline from the preceding months, where wind speeds hover around 2.4 to 2.9 m/s. As spring transitions into summer, a gradual increase in wind is anticipated, peaking in June and July when speeds rise to an average of 3.0-3.2 m/s (7 mph). This consistent upward trend following April highlights the area's dynamic weather patterns, allowing for a refreshing change in the breeze as the temperatures climb. The gentle winds in April offer a perfect backdrop for leisurely activities before the summer gusts take hold, inviting both locals and visitors to enjoy the tranquility of this coastal haven.
Weather in Si Racha varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Si Racha, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April and January, it's clear that April experiences warmer temperatures overall. In April, the minimum temperature is 20°C (67°F) and can reach a maximum of 37°C (99°F), with an average temperature of 29°C (85°F). Additionally, April is marked by higher humidity at 70% and significantly more precipitation, averaging 122 mm (4.8 in) over 18 rainy days. Conversely, January offers a slightly cooler climate with a minimum temperature of 17°C (62°F) and a maximum of 35°C (95°F), averaging 27°C (81°F). The month sees much less rain, with only 27 mm (1.1 in) across about 4 days and lower humidity at 59%. For more detailed information on January weather, you can visit Si Racha weather in January.
April and February exhibit distinct weather patterns, with April being notably warmer and more humid. In April, temperatures range from a minimum of 20°C (67°F) to a maximum of 37°C (99°F), averaging at 29°C (85°F). This month also sees significant precipitation, with 122 mm (4.8 in) falling over 18 days and a humidity level of 70%. In contrast, February offers slightly cooler conditions, with temperatures ranging from 19°C (66°F) to 35°C (95°F) and an average of 28°C (82°F). Precipitation is minimal in February, totaling only 27 mm (1.1 in) across 5 days, and humidity is lower at 58%. For more detailed insights, you can visit Si Racha weather in February.
In comparing the weather between March and April, both months exhibit warm temperatures, but April tends to be slightly warmer, with a minimum temperature of 20°C (67°F) compared to March's 22°C (72°F). The average temperature remains consistent at 29°C (85°F) for both months, but April sees a higher maximum temperature of 37°C (99°F) versus March's 36°C (97°F). Additionally, April experiences significantly more rainfall, totaling 122 mm (4.8 in) over 18 days, while March has only 60 mm (2.4 in) over 11 days. The humidity in April is also higher at 70%, compared to March's 61%. For more detailed information on March weather, you can visit Si Racha weather in March.
In April, the weather features warm temperatures, with a minimum of 20°C (67°F) and an average of 29°C (85°F), peaking at a maximum of 37°C (99°F). The month experiences significant rainfall, totaling 122 mm (4.8 in) over 18 days, and humidity levels hover around 70%.
In contrast, May sees a slight uptick in temperatures, with a minimum of 22°C (72°F) and an average of 30°C (86°F), while still reaching a maximum of 37°C (99°F). However, it also brings increased precipitation, amounting to 166 mm (6.5 in) over 22 days and a higher humidity level of 80%. For more details, check out the Si Racha weather in May.
April and June exhibit distinct weather patterns, with April generally being hotter and more variable. In April, temperatures range from a minimum of 20°C (67°F) to a maximum of 37°C (99°F), averaging around 29°C (85°F). This month also sees significant rainfall, accumulating to 122 mm (4.8 in) over 18 days, accompanied by a humidity level of 70%.
In contrast, June features slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 35°C (96°F), while the average remains close at 30°C (86°F). Rainfall in June is a bit lower at 109 mm (4.3 in), though it occurs over a greater number of days (22 days), resulting in higher humidity at 85%. For more detailed information, check out Si Racha weather in June.
In both April and July, the average temperature remains consistent at around 29°C (85°F), but the early summer month of July tends to be warmer at night, with a minimum temperature of 25°C (77°F) compared to April's 20°C (67°F). July experiences higher humidity at 86% and increased precipitation, with 168 mm (6.6 in) over 25 days, making it noticeably wetter than April, which receives 122 mm (4.8 in) over 18 days. Consequently, while both months are warm, July's weather is characterized by higher humidity and more frequent rain, affecting outdoor activities. For more details, see Si Racha weather in July.
When comparing the weather in April and August, both months exhibit warm average temperatures, but April tends to be slightly hotter with a maximum of 37°C (99°F) compared to August's maximum of 35°C (96°F). Despite similar average temperatures of around 29°C (84-85°F), August experiences higher humidity at 88%, contributing to a more muggy feel. Precipitation levels are also higher in August, with 160 mm (6.3 in) falling over 24 days, compared to April's 122 mm (4.8 in) across 18 days. For more insights into August weather, you can check Si Racha weather in August.
April and September exhibit distinct weather patterns, with April generally being warmer but drier. In April, temperatures range from a comfortable minimum of 20°C (67°F) to a peak of 37°C (99°F), while September sees slightly cooler temperatures, with minimums reaching 24°C (76°F) and maximums of 35°C (95°F). However, September is significantly wetter, receiving 262 mm (10.3 in) of rainfall over 25 days compared to April's 122 mm (4.8 in) over 18 days. Additionally, humidity is higher in September at 87%, compared to April's 70%. For more specific insights into the weather in September, you can visit Si Racha weather in September.
April and October exhibit different weather patterns, with April generally experiencing warmer temperatures and slightly less humidity. In April, the minimum temperature averages around 20°C (67°F), peaking at 37°C (99°F) with an average of 29°C (85°F), while October's minimum starts higher at 23°C (74°F) and averages 28°C (83°F), with a maximum of 36°C (96°F). However, October sees more rainfall, with total precipitation reaching 228 mm (9.0 in) over 23 days compared to April's 122 mm (4.8 in) over 18 days. Additionally, humidity levels rise in October to an average of 83%, compared to April's 70%. For more details about October weather, you can check Si Racha weather in October.
In comparing the weather of April and November, we notice some distinct differences. April tends to be hotter, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 37°C (99°F), while November's temperatures are slightly milder, with a minimum of 22°C (72°F) and a maximum of 35°C (96°F). Furthermore, April experiences significantly more precipitation, with 122 mm (4.8 in) over 18 days, compared to November's 59 mm (2.3 in) over just 10 days. Interestingly, humidity is also higher in November at 78%, while April's humidity sits at 70%. For more details on the specific weather conditions in November, you can refer to Si Racha weather in November.
April and December present distinctly different weather patterns, highlighting the transition from the hot season to the cooler months. In April, temperatures range from a minimum of 20°C (67°F) to a sizzling maximum of 37°C (99°F), with an average temperature of 29°C (85°F). This month also experiences considerable rainfall, with 122 mm (4.8 in) spread over 18 days, contributing to a high humidity of 70%.
Conversely, December offers a milder climate with temperatures ranging from 16°C (61°F) to a maximum of 35°C (96°F), averaging 27°C (81°F). Precipitation is significantly lower, at just 28 mm (1.1 in) over 3 days, while humidity remains steady at 70%. For more detailed insights into December weather, visit Si Racha weather in December.
April in Si Racha marks a distinct shift from the milder months, with soaring daytime temperatures that can peak at an intense 37°C (99°F). This warmth, coupled with elevated humidity levels around 70%, creates a steamy atmosphere that can be quite overwhelming for those unaccustomed to such conditions. While the month does see significant rainfall, averaging 122 mm over 18 days, the mix of heat and moisture often leads to a sultry experience. As the locals prepare for the sweltering days ahead, it becomes clear why April differs so prominently from other months. For a deeper understanding of the overall climate, check out Si Racha Climate.