Last updated: January 18, 2025
Rayong, Thailand, embodies the tropical savanna climate, classified as Koppen-Geiger Aw, characterized by distinct wet and dry seasons. Temperatures in this coastal region exhibit a notable range, with a minimum of 15°C (60°F) recorded in January and an average of 28°C (82°F) throughout the year. The peak warmth arrives in April, where maximum temperatures soar to 36°C (98°F), creating a vibrant and sultry atmosphere that influences both the local ecology and human activities. The interplay of these climatic factors makes Rayong a captivating case study in tropical meteorology.
Rayong, Thailand, experiences a distinct temperature pattern throughout the year, characterized by warm and relatively stable conditions, with a slight seasonal variation. The year begins with cooler temperatures in January, featuring a minimum of 15°C (60°F) and average highs reaching 35°C (95°F). As February approaches, slightly warmer temperatures emerge, with a notable peak of 36°C (97°F) in both February and April, heralding the region's hottest months. From March to May, the temperatures progressively rise, maintaining averages of 28-29°C (82-84°F), while nighttime temperatures remain above the 20°C (68°F) mark. The summer months, from June to August, bring only marginal changes, with maximums around 35-36°C (95-97°F), and average temperatures stabilizing around 28-29°C (82-84°F). As the year closes, temperatures gradually cool, particularly in December, yet still retain an average around 27°C (80°F), underscoring Rayong's tropical savanna climate with warm weather year-round.
Rayong experiences a minimum temperature of 17°C (62°F) in December and a maximum of 35°C (95°F) in May, making it a warm destination throughout the year. In contrast, Ban Phe also has a minimum of 17°C (63°F) in January, but it reaches a higher maximum of 36°C (97°F) in May. For more detailed monthly temperature information, visit monthly temperatures in Rayong and monthly temperatures in Ban Phe.
Rayong, Thailand, exhibits a pronounced monsoon pattern, with precipitation intensifying from the early months of the year into the rainy season. January and February are relatively dry, recording 31 mm (1.2 in) and 27 mm (1.1 in), respectively, each accompanied by about 5 rainy days. However, as spring transitions into summer, the rainfall begins to ramp up significantly. March experiences a notable increase to 69 mm (2.7 in), while April sees a leap to 132 mm (5.2 in), signaling the onset of heavier rains.
The peak of the rainy season occurs from May through October, where monthly precipitation often exceeds 200 mm (7.9 in). May leads this trend with an impressive 217 mm (8.5 in) over 24 rainy days, followed closely by July and September, which record 233 mm (9.2 in) and 316 mm (12.5 in), respectively. October also remains substantial with 271 mm (10.7 in). As the year progresses towards November and December, rainfall tapers off, dropping to 63 mm (2.5 in) and returning to drier patterns with 31 mm (1.2 in), bringing the annual cycle of moisture in Rayong full circle.
Rayong, Thailand, experiences a dynamic pattern of sunshine duration throughout the year, with a clear progression from winter's relative coolness to the warm, sunny summer months. In January, the region enjoys 252 hours of sunshine, which gradually increases to 297 hours in February and peaks at 331 hours in March. This rising trend signifies the approach of summer, providing ample daylight and ideal conditions for outdoor activities. April and May maintain strong sunshine hours at 311 hours and 303 hours, respectively, illustrating the robust sunlight that accompanies the rising temperatures during these months.
As summer transitions into the rainy season, there is a noticeable decline in sunshine hours, although the decline is not stark. June experiences 287 hours of sunshine, while July records 268 hours. The pattern continues into August with 271 hours, before dropping significantly in September to 248 hours, coinciding with the peak of the rainy season when cloud cover is most prevalent. As the year concludes, sunshine duration begins to rebound, with 269 hours in October and 313 hours in December. Notably, November remains consistent with 297 hours, indicating that while the rainy season recedes, Rayong once again bathes in prolonged sunshine as it heads into the cooler months.
In Rayong, Thailand, the UV Index demonstrates a consistent pattern throughout the year, with the potential for harmful solar radiation peaking during the hotter months. Starting at 10 in January under a very high exposure category, the UV levels escalate rapidly, reaching an extreme index of 13 in February. This trend continues with an even higher UV Index of 14 recorded from March to September, indicating a significant risk of harm from unprotected sun exposure. During these months, the recommended burn time drops to just 10 minutes, underscoring the importance of sun protection measures.
As the year progresses and the rainy season approaches, there is a slight decrease in the UV Index. October sees a reduction back to 13, followed by 11 in November, signaling a tapering of extreme exposure risks. December marks a return to 10, categorized as very high, indicating that while the UV risk may lessen slightly during the fall, it remains substantial throughout the year. These statistics highlight the necessity for residents and visitors in Rayong to remain vigilant about sun safety, particularly during the peak months of March through September when the UV exposure is particularly intense.
UV Risk Categories
In Rayong, Thailand, daylight duration reflects a steady pattern throughout the year, with minor fluctuations between seasons. Both January and February see approximately 11 hours of daylight, providing consistent illumination during the cooler months. As March arrives, the daylight extends to 12 hours, a change that remains consistent through the summer months of April to September. This period of increased daylight promotes longer outdoor activities and showcases the vibrancy of the tropical environment.
As the year progresses into the fall months, daylight begins to taper off once again. October marks a return to 11 hours of daytime, which continues through November and December. This cyclical pattern highlights Rayong's tropical climate, where daylight varies only slightly throughout the year, allowing residents and visitors alike to enjoy significant hours of sunlight, regardless of the season. Such consistency is a hallmark of tropical latitudes, contributing to the region's lush landscapes and warm atmosphere.
Ban Phe, Thailand experiences a tropical climate characterized by high temperatures and seasonal rainfall. January and February are relatively dry, with average temperatures around 27°C (81°F), while May through September sees increased precipitation, peaking in September with 308 mm (12.1 in). During the hottest months, temperatures can reach up to 36°C (97°F) in May. The region enjoys considerable sunshine, particularly in March, which boasts 328 hours of sunlight. For more details, visit Ban Phe climate.
Rayong, Thailand, enjoys a tropical climate characterized by warm temperatures year-round. Average highs range from 27°C (81°F) in the cooler months to 35°C (95°F) in April and May, while lows vary from 17°C (63°F) in January to 25°C (77°F) in the summer. The region experiences significant rainfall, peaking in September with 322 mm (12.7 in) of precipitation, making it the wettest month. Despite the rain, Rayong benefits from ample sunshine, particularly in February and March, with over 300 hours of sun each month. For more details, visit Rayong climate.
In conclusion, Rayong, Thailand, offers a unique climatic experience characterized by its tropical savanna climate, marked by warm temperatures, substantial annual rainfall, and consistent sunlight. The distinct patterns of temperature, precipitation, sunshine duration, UV Index, and daylight hours create a dynamic environment that caters to both ecological diversity and human activity. Seasonal trends highlight the importance of sun protection during the peak UV months, while the consistent daylight duration throughout the year promotes an active lifestyle. As Rayong continues to grapple with the effects of climate change, understanding these climatic characteristics becomes increasingly essential for sustainable development and effective environmental management in this vibrant coastal region.