May Weather in Ranong, Thailand

Last updated: August 27, 2025

Experience the weather in Ranong, Thailand during May, where tropical conditions reign supreme. With average temperatures hovering around 27°C (81°F), residents and visitors alike will feel the heat, with maximums soaring to 36°C (97°F). Nights offer a reprieve, cooling down to a minimum of 23°C (73°F). However, be prepared for ample rainfall, as the month brings an impressive 314 mm (12.4 in) of precipitation spread over 28 rainy days. The humidity levels sit at a steamy 77%, making for a truly tropical experience. Embrace the lush landscapes that thrive in this vibrant, albeit wet, season!

May Temperature in Ranong

In May, Ranong, Thailand experiences warm and humid conditions as the temperatures gradually rise toward the peak of the hot season. The minimum temperature hovers around 23°C (73°F), providing a mild start to the day, while the average temperature remains steady at 27°C (81°F). The maximum temperature can reach a sweltering 36°C (97°F), reminiscent of April's warmth, but with a slightly cooler feeling as the region transitions closer to the monsoon season. This month typically features a blend of sunny days and occasional rain, making it a perfect time for those eager to enjoy the lush landscapes of Ranong while staying mindful of the heating weather. Overall, May maintains a consistent warmth, echoing the patterns of the preceding months, yet heralding the lushness and vitality of the upcoming rainy season.

May Weather in Ranong: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ranong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ranong, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082818180807979797978
Data source: Temperature data for Ranong generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ranong

May marks a significant peak in precipitation for Ranong, Thailand, with an impressive 314 mm (12.4 in) of rainfall across 28 days. This surge represents the climax of the wet season, as the region transitions from the drier months of April, which had 233 mm, to the more torrential downpours that characterize the summer months ahead. The frequency of rainy days in May underscores the transformation, with nearly every day seeing some form of precipitation. This trend continues into June and July, suggesting a pattern where the region faces increasingly intense rainfall as the year progresses, setting the stage for an awe-inspiring, lush environment. The resilience of this tropical climate reveals not only the beauty of nature but also the challenges it presents to local communities during this peak rainfall period.

May Precipitation Trends in Ranong

The chart displays monthly precipitation patterns in Ranong, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Ranong, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1332455233314276263300392366244119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Ranong

In May, the humidity in Ranong, Thailand, experiences a noticeable uptick, reaching 77%. This increase marks a transition into the wetter season, as the region moves from the relatively mild humidity of April at 69% to the more intense levels that dominate the coming months. The following month, June, escalates further to 86%, indicating a trend of rising moisture that continues throughout the summer. As the year progresses, humidity peaks in August at 88%, suggesting that May acts as a precursor to this sultrier period, setting the stage for the significant humidity that characterizes the rainy season.

May Average Humidity in Ranong

This chart illustrates the average monthly humidity levels in Ranong, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Ranong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%68%69%77%86%86%88%87%86%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ranong

In May, the UV Index in Ranong, Thailand remains strikingly high at 14, categorizing it under the extreme exposure category with a burn time of just 10 minutes. This consistency in the UV Index underscores the intense solar radiation typical of this time of year, aligning closely with the figures from February through April when the Index peaked at 15. Following May, the UV levels stabilize at 14 throughout the subsequent months, indicating a persistent need for sun safety. If you're planning outdoor activities, be sure to take precautions to protect your skin from the relentless sun. To stay informed about the UV levels and ensure you're well-prepared, check out the detailed information at Ranong UV Index.

Maximum UV Index Levels in Ranong for May

The chart shows the monthly maximum UV Index (UVI) for Ranong in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Ranong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111415151414141414141211
Data source: Ranong May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Ranong

May shines brightly in Ranong, Thailand, offering an impressive 305 hours of sunshine that beautifully rounds out the month. As spring transitions into summer, the region enjoys a consistent display of sunlight, peaking in March with 345 hours before tapering slightly in April and May. The trend reveals a delightful pattern of abundant sunshine from January through May, providing a perfect backdrop for outdoor adventures. Even as temperatures rise in the following months, Ranong continues to bask in generous sunlight, with June and July still featuring over 280 hours. This makes May a particularly splendid time to enjoy the lush landscapes and vibrant culture of this coastal gem, where the sunlit days invite exploration and relaxation alike.

Monthly Sunshine Duration in Ranong: May Highlighted

The May sunshine duration represents the total number of hours Ranong experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec249h308h345h314h305h287h297h284h264h275h288h307h
Data source: Ranong May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ranong During May

In Ranong, Thailand, the likelihood of sunny weather takes a notable dip in May, with only an 18% chance of sunshine. This trend marks a sharp decline from the 19% recorded in April, suggesting that as the region transitions into the rainy season, clear skies become increasingly elusive. Following May, the chances of sun continue to diminish, plummeting to a mere 14% in June and falling even lower throughout the summer months. The preceding months, particularly February with a 52% chance of sun, highlight the stark contrast in weather patterns, emphasizing the significance of timing for those seeking brighter days in this lush, tropical destination.

Percentage of Sunny Days in May in Ranong

The chart illustrates the percentage of sunny days in Ranong throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ranong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%48%19%18%14%11%5%8%8%8%42%
Data source: Ranong May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ranong in May

In Ranong, Thailand, daylight duration exhibits a fascinating rhythm throughout the year. From January to February, the days are consistently illuminated for 11 hours, providing a gentle start to the year. As spring approaches in March and April, daylight begins to stretch, reaching 12 hours and offering more time to bask in the warm sun. This 12-hour daylight remains steady from May through September, creating a vibrant atmosphere perfect for outdoor adventures. However, as the year winds down, daylight gradually recedes back to 11 hours in October, concluding the annual cycle with shorter days in the later months of the year. This predictable pattern reflects the region's tropical climate and encourages a lifestyle harmonized with the changing seasons.

Average Daylight Hours in Ranong for May

The chart illustrates the variation in daylight duration in Ranong throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 38m11h 31m
Data source: Ranong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ranong

In May, the winds in Ranong, Thailand gently resume their whispering cadence after the calmer April. With an average speed of 2.1 m/s (5 mph), May stands as a transitional month, offering a subtle yet pleasant breeze that hints at the invigorating winds to come. As the year progresses, wind speeds begin to pick up, notably rising in June to 2.9 m/s (6 mph) and reaching their peak in July at 3.3 m/s (7 mph). This gradual increase showcases a distinct seasonal trend, where lighter breezes give way to more robust gusts, creating an enchanting atmosphere perfect for exploring Ranong's stunning coastline and lush landscapes.

Average May Wind Speed in Ranong

The chart displays monthly wind speed patterns in Ranong, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.52.31.92.1 m/s2.93.32.92.52.62.43.2
Data source: Ranong May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ranong Compares to Other Months

Weather in Ranong varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ranong, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present distinct weather characteristics. In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), with an average of 27°C (81°F), making it significantly warmer than January, which has temperatures ranging from 20°C (68°F) to 33°C (92°F) and an average of 26°C (79°F). Additionally, May experiences much higher precipitation, totaling 314 mm (12.4 in) over 28 days, compared to January's 132 mm (5.2 in) over just 10 days. Humidity is also slightly higher in May at 77%, compared to 72% in January. For more detailed insights into January weather, you can check Ranong weather in January.

May and February offer contrasting weather conditions, with May being notably warmer and wetter. In May, temperatures fluctuate between a minimum of 23°C (73°F) and a maximum of 36°C (97°F), accompanied by high humidity levels at 77%. This month experiences significant rainfall, with a total of 314 mm (12.4 in) spread across 28 days. In contrast, February presents slightly cooler temperatures, ranging from a minimum of 19°C (66°F) to a maximum of 34°C (94°F), with a much drier climate, only receiving 24 mm (0.9 in) of rain over just 6 days and a humidity level of 68%. For more detailed insights on February weather, visit Ranong weather in February.

In comparing the weather conditions between March and May, it's evident that both months share a similar maximum temperature, reaching up to 36°C (97°F). However, May tends to be more humid with an average humidity level of 77%, compared to March’s 68%. Notably, May experiences significantly more rainfall, with 314 mm (12.4 in) over 28 days, in stark contrast to March's milder precipitation of 55 mm (2.2 in) spread over just 9 days. This information highlights the transition towards a wetter climate as the seasons shift from March to May. For a more detailed look at March weather, visit Ranong weather in March.

In comparing the weather between April and May, both months feature similar average temperatures, with April exhibiting slightly hotter conditions, reaching a maximum of 37°C (99°F) compared to May's 36°C (97°F). However, May is characterized by significantly higher precipitation, totaling 314 mm (12.4 inches) over 28 days, which is an increase from April's 233 mm (9.2 inches) over 24 days. Moreover, humidity levels rise in May, averaging 77% compared to April's 69%, making the atmosphere feel more humid as the month progresses. For more detailed insights on April weather, you can visit Ranong weather in April.

May and June present distinct characteristics in terms of weather patterns. Both months share similar minimum temperatures at 23°C (73°F) and average temperatures of 27°C (81°F). However, May tends to be hotter overall with a maximum temperature reaching 36°C (97°F), compared to June's peak of 33°C (92°F). Precipitation levels are also notable; May experiences more rainfall, totaling 314 mm (12.4 in) across 28 days, while June sees somewhat less with 276 mm (10.9 in) over 26 days. Additionally, June has a higher humidity level of 86%, compared to May's 77%. For more information on the weather in June, visit Ranong weather in June.

In comparing May and July weather, we see some notable differences. May tends to be hotter, with average temperatures reaching around 27°C (81°F) and maximums hitting as high as 36°C (97°F). In contrast, July averages a slightly cooler 26°C (80°F) with a maximum temperature of 33°C (91°F). Precipitation is significant in both months, with May receiving 314 mm (12.4 in) compared to July’s 263 mm (10.4 in). Interestingly, while both months have a high number of rainy days (28), July's humidity is slightly higher at 86% compared to May's 77%. For more detailed information, you can check out Ranong weather in July.

May and August in Ranong showcase distinct weather patterns. In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), with an average of 27°C (81°F). The month experiences significant rainfall, with 314 mm (12.4 in) spread over 28 days and humidity levels around 77%. In contrast, August sees slightly cooler temperatures, with a lower maximum of 33°C (91°F) and an average of 26°C (79°F). The precipitation in August is comparable, at 300 mm (11.8 in) across 27 days, but with higher humidity at 88%. For further details, you can check Ranong weather in August.

When comparing the weather in May and September, we see notable differences in temperature and precipitation. May tends to be slightly warmer with average temperatures reaching 27°C (81°F) and a maximum of 36°C (97°F), while September averages a cooler 26°C (79°F) with a maximum of 34°C (93°F). However, September experiences more rainfall, receiving 392 mm (15.4 in) across 27 days compared to May's 314 mm (12.4 in) over 28 days, and has higher humidity at 87% compared to May's 77%. For more details about September weather, you can visit this link: Ranong weather in September.

May and October exhibit distinct weather patterns, reflecting the transition between seasons. In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), with an average temperature of 27°C (81°F). The month experiences considerable rainfall, amounting to 314 mm (12.4 in) over 28 days, and humidity levels sit at around 77%. Conversely, October presents slightly cooler conditions, with temperatures ranging from 22°C (73°F) to 33°C (92°F) and an average of 26°C (79°F). Rainfall increases to 366 mm (14.4 in), spread over 29 days, and humidity rises to 86%. For a deeper insight into October weather, you can check Ranong weather in October.

May typically showcases warmer weather compared to November, with average temperatures hovering around 27°C (81°F) and maximums reaching up to 36°C (97°F). In contrast, November sees slightly cooler temperatures, with an average of 26°C (79°F) and highs of 33°C (91°F). Both months experience significant rainfall, but May is wetter, with 314 mm (12.4 in) over 28 days, while November records 244 mm (9.6 in) across 24 days. Additionally, humidity levels peak in November at 87%, compared to 77% in May. For more insights on November weather, check out Ranong weather in November.

May and December showcase contrasting weather patterns. In May, temperatures range from a minimum of 23°C (73°F) to a sweltering maximum of 36°C (97°F), with an average temperature around 27°C (81°F). This month experiences significant rainfall, accumulating 314 mm (12.4 in) over 28 days, and the humidity hovers at 77%.

In contrast, December sees milder temperatures, with a minimum of 20°C (68°F) and a maximum of 32°C (90°F), resulting in an average of 25°C (78°F). Precipitation is considerably lower at 118 mm (4.7 in) over 14 days, and humidity is slightly higher at 83%. For more specific insights, you can check out Ranong weather in December.

Compare Ranong's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ranong

May in Ranong ushers in a season of transition, characterized by warm temperatures and heightened humidity. With average highs reaching up to 36°C (97°F) and substantial rainfall totaling 314 mm (12.4 in) over nearly the entire month, this time of year showcases a striking shift from the drier months of the year. The persistent 77% humidity coupled with frequent rain can create a lush, vibrant landscape, but it's important for visitors to prepare for these conditions. If you're curious about how May weather fits into the broader climate trends of the region, you can explore more at Ranong Climate.