Last updated: August 27, 2025
In August, Ratchaburi, Thailand experiences a tropical climate characterized by high temperatures and significant rainfall. The maximum temperature often peaks at a sizzling 37°C (99°F), while the average hovers around a warm 29°C (84°F), and lows can dip to 24°C (76°F). This month brings approximately 167 mm (6.6 in) of rainfall, distributed over 25 rainy days, contributing to a stifling humidity level of 90%. Travelers should prepare for a blend of heat and frequent downpours, making it essential to stay hydrated and seek shelter during the wettest days.
In August, Ratchaburi experiences a warm and humid climate, with temperatures averaging around 29°C (84°F). The minimum temperature hovers at a pleasant 24°C (76°F), while the maximum can reach up to 37°C (99°F). This month reflects a slight cooling trend compared to the preceding hotter months of April and May, yet it maintains the consistent high of the rainy season. Notably, August's temperatures mirror those of September, establishing a stable, tropical atmosphere perfect for exploring Ratchaburi's picturesque landscapes amidst occasional summer showers. As the year progresses, temperatures start to dip slightly into the cooler months, paving the way for a more comfortable fall season.
August marks a significant peak in precipitation for Ratchaburi, Thailand, with an impressive 167 mm (6.6 in) of rainfall over 25 days. This is a notable increase from the preceding months, particularly following July's 120 mm. The shift indicates the commencement of the monsoon’s full force, as the region transitions from the drier summer months into the more rain-soaked late summer. In the broader context of the annual precipitation pattern, August’s rainfall contributes to an overall upward trend leading into the wet season, laying the groundwork for the even heavier rains of September, which averages 209 mm (8.2 in). This pattern highlights the critical role August plays in replenishing water resources in the region, while also emphasizing the dramatic variability in rainfall typical of the tropical climate.
In August, Ratchaburi, Thailand experiences its peak humidity at an impressive 90%, indicating the height of the monsoon season and creating a lush, vibrant landscape. This month is part of a clear upward trend in humidity that begins in the dry season, as levels gradually rise from 58% in January to a striking 89% in July. Following August, humidity dips slightly but remains elevated through September before gradually decreasing into the cooler months. Such high humidity during August not only intensifies the tropical heat but also supports the region's rich biodiversity, making it a unique time to experience the lush greenery of Ratchaburi.
In August, Ratchaburi, Thailand, experiences a consistently high UV Index of 14, indicating an extreme level of sun exposure that requires caution. This trend of elevated UV levels, persisting at 14 from March through July and continuing into August, emphasizes the necessity for protective measures, as the burn time remains a swift 10 minutes across these months. With such intense UV conditions, visitors and residents alike should be vigilant, applying sunscreen and seeking shade whenever possible. As the year progresses towards September, the UV Index dips slightly to 13, but still stays in the extreme category. For more detailed information on UV levels and safety recommendations, visit Ratchaburi UV Index.
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In August, Ratchaburi, Thailand, experiences a delightful blend of sun and warmth, offering 267 hours of bright sunshine. While this marks a decline from the peak of 333 hours in March, the consistent sunshine throughout the year underscores the region's tropical allure. July brings slightly fewer rays at 280 hours, and as the summer stretches into the monsoon season, August’s sunshine begins to taper off, yet it still holds its charm. The slight dip in hours is part of a trend, as Ratchaburi transitions toward the cooler, cloudier months that follow, showcasing a steady and inviting balance between sun and rainfall that characterizes its unique climate. As the year progresses into September with 260 hours, the rhythm of Ratchaburi’s weather continues to maintain its warm embrace, making it a captivating destination year-round.
In August, Ratchaburi sees one of its lowest probabilities of sunny weather, with only an 8% chance of sunshine. This trend marks a significant decline from the earlier months, especially when compared to January's 62% and February's 77%. The summer heat gives way to the onset of the rainy season, which typically results in cloudier skies throughout the region. Following July’s already gloomy prospects of 10%, August offers little respite from the prevailing clouds, making it essential for visitors to plan activities with the likelihood of rain in mind. As the months progress toward October, the chance of sunshine gradually increases again, but August undeniably stands out as a particularly overcast time in Ratchaburi.
In Ratchaburi, Thailand, August enjoys a consistent 12 hours of daylight, aligning with the trend of extended daylight hours from March to September. This sunny duration remains stable throughout the peak of the rainy season, providing ample time for outdoor activities amid the lush greenery. Following August, the daylight begins to gradually shorten, tapering back to 11 hours as the year draws to a close. This rhythm of light not only influences daily life but also enhances the charm of the region’s vibrant landscapes throughout the summer months.
In August, Ratchaburi experiences a gentle breeze, with the average wind speed settling at 2.0 m/s (4 mph). This moderate wind complements the region’s tropical climate, offering a subtle relief as the monsoon season approaches. Notably, August's wind speed mirrors that of preceding months, as both June and July also recorded 2.2 m/s (5 mph). This suggests a trend of consistent breeziness during the summer months, gradually declining into the softer winds of September, which plummet to an average of only 1.5 m/s (3 mph). As the year progresses, wind speeds see a slight resurgence in November and December, hinting at the seasonal shifts that characterize Ratchaburi's unique weather patterns.
Weather in Ratchaburi varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ratchaburi, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in August and January presents a stark contrast, showcasing the region's seasonal variability. August typically experiences higher temperatures, with minimums around 24°C (76°F) and maximums peaking at 37°C (99°F), coupled with significant humidity at 90%. This month also sees increased rainfall, averaging 167 mm (6.6 in) over about 25 days. In contrast, January offers milder conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (94°F). The month is much drier, with only 21 mm (0.8 in) of precipitation falling over just 3 days, and humidity levels dropping to 58%. For a closer look at January weather in Ratchaburi, you can visit Ratchaburi weather in January.
When comparing the weather in August and February, we see notable differences in both temperature and precipitation. August typically experiences hotter conditions, with average temperatures reaching 29°C (84°F) and maximums peaking at 37°C (99°F), along with high humidity levels of 90%. In stark contrast, February enjoys milder temperatures, averaging 27°C (82°F) and a maximum of 36°C (97°F), while also boasting significantly lower humidity at 59%. Additionally, August is characterized by heavy rainfall, with 167 mm (6.6 inches) spread over 25 days, whereas February sees a mere 12 mm (0.5 inches) of rain over just 2 days. For more insights on February weather, you can check out Ratchaburi weather in February.
In comparing the weather between August and March, August tends to be much wetter and more humid. With average temperatures reaching around 29°C (84°F), August experiences a significant amount of rainfall, totaling 167 mm (6.6 in) over 25 days, and the humidity averages about 90%. In contrast, March has a slightly higher average temperature of 30°C (86°F) but is much drier, with only 30 mm (1.2 in) of precipitation over just 4 days and a lower humidity level of 62%. For more detailed insights on March weather, you can visit Ratchaburi weather in March.
When comparing the weather in August and April, we see notable differences in temperature and precipitation patterns. In August, the average temperature hovers around 29°C (84°F), with maximum highs reaching 37°C (99°F) and significant humidity levels at 90%. This month experiences considerable rainfall, totaling 167 mm (6.6 in) over approximately 25 days. In contrast, April boasts a slightly lower average temperature of 30°C (87°F), with maximum temperatures peaking at 40°C (104°F), though with much lower humidity at 69%. Furthermore, April has less precipitation, accumulating 88 mm (3.5 in) over just 11 days. For more detailed insights, refer to Ratchaburi weather in April.
In August, the weather remains consistently warm with minimum temperatures around 24°C (76°F) and an average of 29°C (84°F), peaking at a maximum of 37°C (99°F). The month experiences high humidity levels of 90% and significant rainfall, totaling 167 mm (6.6 in) over 25 days. In contrast, May features slightly warmer average temperatures, reaching a maximum of 40°C (105°F) while maintaining a minimum of 24°C (75°F). Although May has slightly less rainfall at 141 mm (5.5 in) over 20 days, it boasts a lower humidity level of 79%. For more detailed insights, you can explore Ratchaburi weather in May.
In comparing the weather between June and August, we observe that both months are characterized by warm temperatures, though August tends to be slightly cooler with an average temperature of 29°C (84°F) compared to June's 30°C (85°F). June has a slightly higher maximum temperature at 38°C (100°F) versus August's 37°C (99°F). Precipitation levels are higher in August, with 167 mm (6.6 in) falling over 25 days, compared to June's 125 mm (4.9 in) over 21 days. Humidity also peaks in August at 90%, while June is slightly less humid at 87%. For more detailed insights, you can check Ratchaburi weather in June.
In comparing the weather between July and August, we see some notable similarities and differences. Both months experience high temperatures, with August showing a slight decrease in the minimum temperature at 24°C compared to July's 25°C. The average temperatures remain consistent at around 29°C for both months, while the maximum temperature can reach up to 37°C (99°F) in both July and August. However, August sees significantly more rainfall, with a total of 167 mm over 25 days, compared to July's 120 mm across 22 days. Additionally, humidity levels are slightly higher in August at 90%, compared to 89% in July. For a more detailed understanding of July's conditions, you can check out Ratchaburi weather in July.
August and September exhibit similar temperature ranges, with both months seeing minimums of 24°C (76°F), averages of 29°C (84°F), and maximums reaching 37°C (99°F) in August and 37°C (100°F) in September. However, September experiences more rainfall, totaling 209 mm (8.2 in) over 24 days, compared to August's 167 mm (6.6 in) over 25 days. Humidity levels are slightly lower in September at 87% compared to August's 90%. For more detailed information, you can check Ratchaburi weather in September.
In August, temperatures range from a minimum of 24°C (76°F) to a maximum of 37°C (99°F), with an average of 29°C (84°F). The month experiences significant precipitation, totaling 167 mm (6.6 in) over 25 days and high humidity at 90%. In contrast, October sees slightly cooler weather, with temperatures varying from a minimum of 23°C (73°F) to a maximum of 35°C (95°F) and an average of 28°C (83°F). Rainfall increases to 202 mm (7.9 in), occurring over 21 days, while humidity drops to 83%. Overall, while both months are warm and wet, October presents a slightly more temperate climate. For more details, you can check Ratchaburi weather in October.
In August, the weather is notably hotter and more humid, with average temperatures around 29°C (84°F) and maximums reaching up to 37°C (99°F). Rainfall is frequent, occurring on about 25 days, resulting in a total precipitation of 167 mm (6.6 in) and a high humidity level of 90%. In contrast, November brings milder temperatures, with averages of 27°C (81°F) and maximums of 34°C (93°F). The month sees significantly less rainfall, totaling 83 mm (3.3 in) over just 10 days, and lower humidity at 77%. For more detailed information, you can check Ratchaburi weather in November.
In August, the weather is significantly warmer and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 37°C (99°F) and an average of 29°C (84°F). This month sees substantial rainfall, with about 167 mm (6.6 in) of precipitation over 25 days, resulting in a humidity level of 90%. In contrast, December offers a more moderate climate, featuring temperatures that range from a minimum of 16°C (61°F) to a maximum of 35°C (95°F) and an average of 26°C (79°F). Rainfall during this month is minimal, totaling just 17 mm (0.7 in) over 3 days, and humidity drops to 66%. For more detailed information, you can check Ratchaburi weather in December.
In August, Ratchaburi experiences a significant shift in weather, marked by high humidity and frequent rain, making it one of the wettest months of the year. With temperatures averaging a comfortable 29°C (84°F) but peaking at a steamy 37°C (99°F), the heat often feels intensified by the near 90% humidity. Unlike the drier months that precede it, August brings persistent rainfall, accumulating over 167 mm across 25 days, which can transform the landscape into a lush oasis. If you’re planning a visit, be prepared for frequent showers that add a vibrant charm to this tropical destination. For more insights into Ratchaburi's climate throughout the year, check out Ratchaburi Climate.