Last updated: August 27, 2025
Experience the vibrant May weather of Ratchathewi, Thailand, where the maximum temperature can soar up to 40°C (103°F). The average temperature hovers around a warm 30°C (87°F), offering a tropical ambiance perfect for exploration. While the minimum can drop to a comfortable 23°C (74°F), you can expect frequent rain, with 142 mm (5.6 in) of precipitation over 19 rainy days. Coupled with a high humidity level of 80%, May brings a lush, vibrant essence to this bustling district. Embrace the heat but be prepared for spontaneous showers as you soak in the beauty of Ratchathewi.
In May, Ratchathewi, Thailand, experiences a notable increase in temperatures as the region transitions firmly into the hot season. With minimum temperatures rising to 23°C (74°F) and reaching a sweltering maximum of 40°C (103°F), the month stands out as one of the hottest. The average temperature holds steady at 30°C (87°F), similar to the prior months but signaling the onset of peak heat. This significant jump is evident compared to April, which only saw a maximum of 38°C (100°F). As May rolls in, locals and visitors alike should prepare for intense heat, making hydration and shade essential for outdoor activities.
In May, Ratchathewi, Thailand, experiences a significant surge in precipitation, marking one of the wettest months of the year. With 142 mm (5.6 in) of rain falling over 19 days, May sets the stage for the monsoon season that follows. This increase in both rainfall and rainy days contrasts sharply with the earlier months, such as January and February, which see minimal precipitation. As the intensity and frequency of rain rise, the vibrant greenery of the surrounding landscape flourishes, providing a lush backdrop to this dynamic transition. The steady uptick from April's 107 mm (4.2 in) further emphasizes May's pivotal role in ushering in the wet season, with weather patterns indicating an overall trend of increasing moisture leading into the summer months.
As May arrives in Ratchathewi, Thailand, residents and visitors alike brace for a noticeable increase in humidity, reaching 80% this month. Following the gradual rise from 59% in January to 70% in April, May marks a significant leap into the humid embrace typical of the region’s tropical climate. This upward trend continues into June and July, where levels soar to 85% and 86%, respectively. The consistent humidity reflects not only the region's transition towards the rainy season but also underscores the overall tropical atmosphere that characterizes Thailand, where the heat is complemented by a pervasive dampness, shaping both daily life and local culture.
May in Ratchathewi, Thailand, sees the UV Index peak at 14, categorizing it as extreme exposure with a burn time of just 10 minutes. This pattern aligns with the trend established in the preceding months, as both March and April also recorded an Index of 14, highlighting a consistent level of UV intensity that presents significant sun safety considerations. As the region transitions from the hotter months, the UV levels remain notably high, reminding residents and visitors to take necessary precautions against sunburn and prolonged exposure. For more detailed insights on UV levels throughout the year, check out Ratchathewi UV Index.
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In May, Ratchathewi, Thailand, enjoys a delightful 321 hours of sunshine, which keeps it firmly in the sunny hemisphere of the year. Following a peak in March with 336 hours, sunlight begins to gradually decline but remains consistent throughout April and May. This trend of abundant sunlight in early summer is indicative of the region’s tropical climate, where long days allow for outdoor exploration and vibrant street life. As we transition into the warmer months of June and July, the hours of sunshine decrease slightly, hinting at a shift toward the monsoon season yet keeping the charm of summer alive for residents and visitors alike.
In Ratchathewi, Thailand, the likelihood of sunny weather in May is 33%, a significant drop compared to the drier months earlier in the year. Following the peak of 76% sunshine in February, the sunny spell diminishes as the region transitions into the wet season. April brings a stark decrease to 18%, and by May, the sunless trends continue into the monsoon months of June and July, where the chances plummet to just 17% and 11%, respectively. This pattern clearly indicates that while the early months of the year offer ample sunshine, May signals the beginning of a cloudy and rainy period for Ratchathewi.
In Ratchathewi, Thailand, the daylight duration shows a consistent pattern throughout the year. From January to February, residents enjoy a steady 11 hours of daylight, which gradually increases to 12 hours in March and remains at that length from April through August. This sustained daylight creates an ideal environment for outdoor activities and exploration. As the year progresses, daylight begins to taper off again, returning to 11 hours in October, and persisting through December. Overall, this trend illustrates a clear rhythm of longer days during the warmer months, seamlessly transitioning to shorter days as the cooler season approaches.
In May, Ratchathewi experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), aligning closely with the calm winds of February. This slight increase from April's calmest period hints at the transition to a more conducive environment as the region anticipates the arrival of the monsoon season. Interestingly, May's winds are part of a larger trend where wind speeds begin to stabilize after March's brisk peak of 3.0 m/s (7 mph) and create a delightful balance into the summer months. As the year unfolds, the winds oscillate between moderate and soothing, notably picking up again in June, suggesting a refreshing reprieve for those enjoying outdoor activities. Overall, the gentle winds of May provide a tranquil backdrop, perfectly framing the vibrant atmosphere of Ratchathewi during this beautiful spring month.
Weather in Ratchathewi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ratchathewi, focusing on differences in temperature, rainfall, humidity, and UV levels.
May experiences significantly warmer temperatures compared to January, with minimums around 23°C (74°F) and highs reaching up to 40°C (103°F). In contrast, January's temperatures are milder, with minimums of 16°C (61°F) and maximums of 35°C (94°F). Precipitation is also markedly different; May sees about 142 mm (5.6 in) spread over 19 days, while January has much less rain, totaling only 29 mm (1.1 in) over just 3 days. Furthermore, humidity levels are higher in May at 80%, compared to a more comfortable 59% in January. For more specifics on January weather patterns, you can check Ratchathewi weather in January.
When comparing the weather in May and February, May stands out for its significantly higher temperatures and humidity levels. In May, the minimum temperature is around 23°C (74°F), with averages reaching up to 30°C (87°F) and maximums soaring to 40°C (103°F). Furthermore, the month experiences considerable rainfall, with 142 mm (5.6 in) of precipitation spread over 19 days, resulting in a humid environment with 80% humidity. In contrast, February offers milder temperatures, with a minimum of 19°C (66°F), an average of 28°C (82°F), and a maximum of 35°C (96°F). It is also much drier, receiving only 14 mm (0.5 in) of rain over just 3 days, leading to a lower humidity level of 58%. For more details on February weather, you can check Ratchathewi weather in February.
May typically presents warmer and more humid conditions compared to March. The minimum temperature in May is slightly higher at 23°C (74°F), with an average of 30°C (87°F) and a scorching maximum reaching up to 40°C (103°F). In contrast, March starts with a minimum of 22°C (72°F) and a maximum of 37°C (99°F). Precipitation also distinguishes the two months; May experiences significantly more rainfall, totaling 142 mm (5.6 in) over 19 days, while March sees only 44 mm (1.7 in) across just 5 days. Additionally, humidity levels in May are elevated at 80%, compared to 61% in March. For a detailed comparison, you can refer to Ratchathewi weather in March.
In comparing the weather between May and April, both months share similar average temperatures, with May averaging 30°C (87°F) and April also at 30°C (87°F). However, May experiences slightly higher minimum and maximum temperatures, with a minimum of 23°C (74°F) and a maximum of 40°C (103°F), compared to April's 21°C (70°F) and 38°C (100°F). Precipitation is significantly higher in May, totaling 142 mm (5.6 in) over 19 rainy days, while April sees 107 mm (4.2 in) over just 12 days. Additionally, humidity levels are elevated in May at 80%, compared to 70% in April. For a closer look at April weather specifics, you can visit Ratchathewi weather in April.
May and June present distinct weather patterns, with both months characterized by warm temperatures and high humidity. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), averaging around 30°C (87°F). The month sees significant rainfall, totaling 142 mm (5.6 in) over 19 days, with humidity levels sitting at 80%.
In comparison, June exhibits slightly higher minimum temperatures, with lows around 25°C (78°F) and a maximum reaching 37°C (99°F), while maintaining a similar average of 30°C (86°F). Precipitation decreases to 112 mm (4.4 in) but spans 22 rainy days, accompanied by an increase in humidity to 85%.
For more details on June weather, you can check Ratchathewi weather in June.
In May, the weather tends to be quite warm, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 40°C (103°F) and an average of 30°C (87°F). However, it experiences significant rainfall, with 142 mm (5.6 in) of precipitation over 19 days and a humidity level of 80%.
Conversely, July offers slightly cooler temperatures, with a minimum of 25°C (78°F) and a maximum of 37°C (99°F), resulting in an average of 29°C (85°F). The month is wetter, receiving 159 mm (6.2 in) of rainfall over 26 days, and humidity increases to 86%. For a more detailed look at weather conditions in July, you can visit this link: Ratchathewi weather in July.
In May, the weather features minimum temperatures of 23°C (74°F) and averages around 30°C (87°F), with maximums reaching up to 40°C (103°F). The month sees significant rainfall, with around 142 mm (5.6 in) over 19 days and humidity levels at 80%. In contrast, August experiences slightly warmer minimums at 25°C (77°F), an average of 29°C (85°F), and max temperatures that peak at 37°C (99°F). The precipitation increases to 163 mm (6.4 in) over 23 days, alongside higher humidity at 88%. Overall, August tends to be more humid and wetter compared to May, with a more consistent temperature range. For more detailed insights, refer to Ratchathewi weather in August.
May and September present distinct differences in weather patterns. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), with an average of 30°C (87°F). However, it also experiences significant rainfall, totaling 142 mm (5.6 in) over 19 days, with humidity levels around 80%. In contrast, September has a slightly higher minimum temperature of 24°C (76°F) and a lower maximum of 36°C (97°F), with an average temperature of 29°C (84°F). It also has more substantial rainfall, reaching 245 mm (9.6 in) over 24 days, coupled with a higher humidity of 87%. For more information, you can check the detailed forecast at Ratchathewi weather in September.
In comparison to May, October experiences slightly cooler average temperatures, with a range from a minimum of 23°C (74°F) to a maximum of 35°C (96°F), while May's temperatures can soar as high as 40°C (103°F). However, October is characterized by increased rainfall, totaling 250 mm (9.9 in) over 21 days, significantly more than the 142 mm (5.6 in) experienced in May across 19 days. Additionally, humidity levels rise slightly in October to 83%, compared to 80% in May, creating a more humid atmosphere as the month progresses. For a detailed look at the weather during this month, you can visit Ratchathewi weather in October.
May experiences notably warmer temperatures, with average highs reaching up to 40°C (103°F), while November offers a milder climate, with maximum temperatures peaking at 35°C (95°F). The precipitation in May is significantly higher, totaling 142 mm (5.6 in) over 19 days, compared to just 61 mm (2.4 in) over 9 days in November. Humidity levels are slightly elevated in May at 80%, while November sees a more comfortable 78%. For more details about November weather, visit Ratchathewi weather in November.
In May, temperatures soar with a minimum of 23°C (74°F) and can reach as high as 40°C (103°F), making it a much warmer month overall, with an average temperature of 30°C (87°F). The increased warmth is accompanied by significant rainfall, experiencing 142 mm (5.6 in) over 19 days and maintaining high humidity levels of 80%. In contrast, December offers a milder climate, with minimum temperatures dropping to 15°C (59°F) and a maximum of 35°C (95°F), resulting in an average of 27°C (80°F). Precipitation is substantially lower in December, with only 24 mm (0.9 in) falling over just 2 days and humidity levels slightly reduced to 70%. For more details on December weather, you can check out Ratchathewi weather in December.
As May unfolds in Ratchathewi, the weather presents a notable shift compared to other months, characterized by increased humidity and regular precipitation. The temperatures soar, often peaking at an impressive 40°C (103°F), creating a steamy atmosphere that can feel quite uncomfortable, especially with the 80% humidity level. While the average temperature remains a warm 30°C (87°F), the consistent rainfall—spanning 19 days and totaling 142 mm (5.6 in)—serves as a stark contrast to the drier months. This combination of heat and moisture not only influences daily life but also enriches the lush greenery of the area. For a deeper understanding of the climatic nuances in May and beyond, explore Ratchathewi Climate.