May Weather in Phu Ruea, Thailand

Last updated: August 27, 2025

In May, Phu Ruea, Thailand, experiences a tropical climate, characterized by a maximum temperature of 37°C (99°F) and an average of 27°C (81°F). The month is marked by significant precipitation, with a total of 178 mm (7.0 in) falling across 23 days, contributing to the region's lush greenery. Humidity levels hover around 69%, creating a warm and often muggy atmosphere. Visitors can expect a blend of warmth and moisture, ideal for enjoying the vibrant natural landscape while being prepared for the frequent showers.

May Temperature in Phu Ruea

In May, Phu Ruea, Thailand, experiences a notable shift in temperatures as the region transitions deeper into the warm season. Minimum temperatures rise to a comfortable 19°C (67°F), providing a pleasant start to the mornings. The average temperature reaches 27°C (81°F), ideal for outdoor explorations, while the maximum can peak at 37°C (99°F), bringing the heat of the day. As the month progresses, the discomfort of extreme heat is somewhat tempered by the onset of the rainy season, hinting at changing weather patterns that will characterize the following months. Overall, May presents a delightful blend of warmth and cooler nights, making it a wonderful time to enjoy the natural beauty of Phu Ruea.

May Weather in Phu Ruea: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Phu Ruea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phu Ruea, 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).
JanFebMarAprMayJunJulAugSepOctNovDec717378808080797979777570
Data source: Temperature data for Phu Ruea 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 Phu Ruea

May in Phu Ruea, Thailand, marks a significant shift in the region's climate, characterized by a surge in precipitation. With 178 mm (7.0 in) of rain falling over 23 days, it is one of the wettest months of the year, setting the stage for a lush landscape. This dramatic increase from April's 100 mm (3.9 in) reflects the onset of the monsoon season, as rainfall becomes more frequent and intense. Notably, the month features a high number of rainy days, which suggests a consistent, though often gentle, downpour rather than heavy storms. This trend continues into June, where rainfall reaches 181 mm (7.1 in) over slightly fewer days, reinforcing the notion that the rain is a hallmark of this period, transforming Phu Ruea into a vibrant green haven.

May Precipitation Trends in Phu Ruea

The chart displays monthly precipitation patterns in Phu Ruea, 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 Phu Ruea, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1218231001781811932821981391411
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Phu Ruea

As the warm season progresses into May, Phu Ruea, Thailand, experiences a notable shift in humidity levels, jumping to a significant 69%. This increase marks a clear transition from the drier months of January through April, where humidity hovered around the low 50s to high 30s. With the onset of the wet season in June, humidity escalates dramatically, peaking at 81% and continuing to rise through the summer months, often reaching over 80%. This trend highlights how May serves as a pivotal point, bridging the low humidity of the earlier months with the lush, moisture-laden environment characteristic of the Thai rainy season that follows.

May Average Humidity in Phu Ruea

This chart illustrates the average monthly humidity levels in Phu Ruea, 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 Phu Ruea is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Phu Ruea

In May, Phu Ruea experiences one of its highest UV Index levels of the year, peaking at an intense 15, classifying the exposure as extreme. With a rapid burn time of just 10 minutes, outdoor enthusiasts should exercise caution, as prolonged sun exposure can lead to serious skin damage. This trend of escalating UV levels transitions smoothly from April's index of 14, reflecting the early onset of the intense summer sun that continues into June. As the months progress, maintaining sun safety becomes critical, especially given the consistent extreme ratings from late spring through the summer. Stay informed about UV levels to protect your skin—check the Phu Ruea UV Index for up-to-date information.

Maximum UV Index Levels in Phu Ruea for May

The chart shows the monthly maximum UV Index (UVI) for Phu Ruea 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 Phu Ruea typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314151415151413109
Data source: Phu Ruea 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 Phu Ruea

In May, Phu Ruea, Thailand, basks in a generous 303 hours of sunshine, continuing the trend of abundant daylight that began in the earlier months. As spring transitions into summer, sunshine hours remain robust, with March peaking at 325 hours, creating an inviting atmosphere for outdoor activities. While the sunny days of April and May show slight declines from the peak, they still offer ample bright moments for visitors and residents alike. It's interesting to note the gradual decrease in daylight hours that follows in June and July, hinting at the approaching monsoon season. Nevertheless, May stands out as a vibrant month in Phu Ruea, providing a warm and sunny embrace before the rains set in.

Monthly Sunshine Duration in Phu Ruea: May Highlighted

The May sunshine duration represents the total number of hours Phu Ruea 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h294h325h311h303h256h255h230h267h275h301h314h
Data source: Phu Ruea May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Phu Ruea During May

As you plan your visit to Phu Ruea, Thailand in May, it's essential to note the 39% chance of sunny weather. This figure is a marked decline from the preceding months, particularly April, where the sun graced the skies a generous 25% of the time. While May does offer a slice of sunshine, it's a stark contrast to the higher probabilities seen in the earlier months like January and February, which boast 80% and 82% sunshine chances, respectively. Following May, the weather further shifts into a cooler season with even lower likelihoods of sun during June and July, dropping to around 15% and 12%. Thus, if a sunny day is at the top of your vacation wishlist, consider visiting Phu Ruea earlier in the year to bask in more reliable sunshine.

Percentage of Sunny Days in May in Phu Ruea

The chart illustrates the percentage of sunny days in Phu Ruea 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 Phu Ruea experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec80%82%64%25%39%15%12%13%12%27%61%85%
Data source: Phu Ruea May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Phu Ruea in May

In Phu Ruea, Thailand, daylight duration gradually evolves throughout the year, beginning with a consistent 11 hours in January and February. As spring arrives in March, the days stretch to 12 hours, a trend that continues into April and May, embracing the warmth of the season. June and July bring the peak with 13 hours of daylight, allowing for extended outdoor enjoyment. As summer fades into August and September, daylight gently tapers back to 12 hours, before settling into 11 hours again in October through December. This rhythmic progression offers a harmonious balance of sunlight, enabling both locals and visitors to savor the beauty of nature throughout the year.

Average Daylight Hours in Phu Ruea for May

The chart illustrates the variation in daylight duration in Phu Ruea throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 11m11h 33m12h 2m12h 31m12h 56m13h 8m13h 2m12h 40m12h 12m11h 43m11h 18m11h 5m
Data source: Phu Ruea daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Phu Ruea

In Phu Ruea, Thailand, the wind speeds in May reflect a gentle breeze, averaging 1.5 m/s (3 mph), similar to the prior month. This mild environment is characteristic of the early summer, where winds remain relatively calm compared to the burst of activity that follows. As the season progresses into June and July, the wind picks up, reaching an average of 2.4 m/s (5 mph), providing a refreshing contrast to the warmer temperatures. Interestingly, the winter months witness lower wind speeds, with January's calm 1.6 m/s (4 mph) and April's dip to 1.3 m/s (3 mph), before a gradual rise is observed as summer sets in. This cyclical pattern highlights the balance of tranquility and vitality in Phu Ruea’s climate throughout the year.

Average May Wind Speed in Phu Ruea

The chart displays monthly wind speed patterns in Phu Ruea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.51.61.31.5 m/s2.42.22.11.31.41.71.8
Data source: Phu Ruea May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Phu Ruea Compares to Other Months

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

In May, the weather is significantly warmer and more humid, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 37°C (99°F) and an average of 27°C (81°F). This month also experiences considerable rainfall, totaling 178 mm (7.0 in) over 23 days, resulting in a humidity level of 69%. In contrast, January offers a much cooler climate, with temperatures varying from 8°C (47°F) to 33°C (91°F) and an average of 22°C (71°F). This month features minimal precipitation, with only 12 mm (0.5 in) spread across just 2 days, and a lower humidity of 52%. You can learn more about January weather specifics here: Phu Ruea weather in January.

May and February present notably different weather conditions. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F). This month experiences significant precipitation, totaling 178 mm (7.0 in) over approximately 23 days, and high humidity at 69%. In contrast, February enjoys milder temperatures, with a minimum of 12°C (54°F) and a maximum of 35°C (95°F), averaging around 23°C (73°F). This month sees much less rain, with only 18 mm (0.7 in) over just 3 days and a lower humidity level of 49%. For more detailed information, you can check Phu Ruea weather in February.

In comparing the weather between May and March, it’s clear that May tends to be hotter and more humid. While both months experience maximum temperatures reaching up to 37°C (99°F), May has a higher average temperature of 27°C (81°F) compared to March’s 26°C (78°F). Additionally, May sees significantly more precipitation, with 178 mm (7.0 in) over 23 days, compared to March’s modest 23 mm (0.9 in) over just 6 days. The humidity also rises sharply in May to 69%, making the atmosphere feel much muggy compared to March’s lower humidity of 39%. For more details on the weather in March, check out this link: Phu Ruea weather in March.

In comparing the weather of April and May, it is clear that both months exhibit warm temperatures, although May generally feels more humid. April's temperatures range from a minimum of 15°C (59°F) to a maximum of 39°C (102°F), making it slightly hotter at its peak. In contrast, May has a minimum of 19°C (67°F) and a maximum of 37°C (99°F), providing a more moderate high while still averaging 27°C (81°F). Additionally, April experiences less rainfall, accumulating 100 mm (3.9 in) over 14 days, compared to May's 178 mm (7.0 in) over 23 days of precipitation, which indicates a significantly wetter month. The humidity is also notably higher in May at 69%, compared to April's 40%. For more detailed insights on April's weather conditions, check out Phu Ruea weather in April.

May and June exhibit similar average temperatures, both hovering around a warm 27°C (81°F). However, May experiences a broader temperature range, with a minimum of 19°C (67°F) and a maximum reaching up to 37°C (99°F), whereas June's temperatures are slightly milder, with a minimum of 22°C (71°F) and a maximum of 35°C (96°F). Precipitation levels are comparable, with May receiving 178 mm (7.0 in) over 23 days and June recording 181 mm (7.1 in) over 21 days. Additionally, June is characterized by higher humidity at 81%, compared to May's 69%. For more specific insights into June's weather, check out Phu Ruea weather in June.

May and July present distinct yet somewhat overlapping weather patterns. In May, temperatures range from a minimum of 19°C (67°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F). This month experiences significant rainfall, with total precipitation of 178 mm (7.0 in) spread over 23 days, and humidity levels sit at a moderate 69%.

In contrast, July sees slightly warmer temperatures, with a minimum of 22°C (71°F) and a maximum of 36°C (96°F), while the average temperature remains similar at 26°C (80°F). Rainfall increases to 193 mm (7.6 in) across 25 days, leading to a higher humidity level of 83%. Overall, while both months are warm and wet, July tends to be more humid and slightly wetter than May. For a detailed look at the weather specifics, visit Phu Ruea weather in July.

In May, the weather is characterized by warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching up to 37°C (99°F). Average temperatures hover around 27°C (81°F) with a moderate level of humidity at 69%. However, May experiences significant rainfall, totaling 178 mm (7.0 in) across 23 days, leading to a notably variable climate.

In contrast, August enjoys slightly cooler temperatures, with a minimum of 22°C (71°F) and a maximum of 33°C (93°F). While the average temperature dips a bit to 26°C (79°F), humidity levels rise to 87%, creating a more humid atmosphere. Rainfall is quite substantial in August, totaling 282 mm (11.1 in) over 26 days, making it one of the wetter months of the year. To explore more about the weather in August, you can visit Phu Ruea weather in August.

In May, temperatures in the region reach a minimum of 19°C (67°F) and can soar to a maximum of 37°C (99°F), with an average temperature of 27°C (81°F). The month is characterized by significant rainfall, totaling 178 mm (7.0 in) over 23 days, with humidity levels hovering around 69%.

In contrast, September experiences milder temperatures, with a minimum of 21°C (69°F) and a maximum of 33°C (92°F), averaging 26°C (79°F). Precipitation increases slightly to 197 mm (7.8 in) while maintaining the same 23 rainy days, but humidity rises to 86%, making the air feel noticeably more humid. For more details, you can check the Phu Ruea weather in September.

In May, the weather tends to be hotter with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 37°C (99°F), averaging around 27°C (81°F). It also experiences significant precipitation, amounting to 178 mm (7.0 in) spread across 23 days, along with a humidity level of 69%. In contrast, October brings slightly cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 34°C (93°F), averaging 25°C (77°F). While October still sees some rainfall, it is less intense, totaling 139 mm (5.5 in) over 16 days and exhibiting a slightly higher humidity level of 74%. For more insights, refer to Phu Ruea weather in October.

May and November present contrasting weather patterns. In May, temperatures can range from a minimum of 19°C (67°F) to a scorching maximum of 37°C (99°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 178 mm over 23 days, combined with a humidity level of 69%, making it feel quite muggy. In contrast, November enjoys milder temperatures, with a minimum of 14°C (58°F) and a maximum of 33°C (92°F), resulting in an enjoyable average of 24°C (75°F). Rainfall during this month is much less pronounced, at just 14 mm over 3 days, and the humidity drops slightly to 63%. For more details, check out Phu Ruea weather in November.

May and December present contrasting weather patterns. In May, temperatures soar with a minimum of 19°C (67°F) and can peak at a sweltering 37°C (99°F), accompanied by high humidity at 69% and significant rainfall of 178 mm (7.0 in) over 23 days, making it one of the wetter months of the year. In stark contrast, December experiences milder temperatures with a minimum of 6°C (43°F) and a maximum of 32°C (90°F), along with much lower rainfall of just 11 mm (0.4 in) over a single day, resulting in a drier atmosphere and a reduced humidity level of 57%. For more details, you can check the weather specifics here: Phu Ruea weather in December.

Compare Phu Ruea's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Phu Ruea

As May unfolds in Phu Ruea, the weather transforms into a warm embrace, with higher temperatures contrasting the cooler months preceding it. This month marks a notable shift, bringing increased humidity and frequent precipitation, with rain occurring on nearly three-quarters of the days. While the average temperature hovers around a pleasant 27°C (81°F), the peaks can reach a sweltering 37°C (99°F), urging both locals and travelers to seek respite during the hotter hours. The lush landscape thrives under these conditions, making it a vibrant time to explore. For a deeper dive into the nuances of the region's climate, visit Phu Ruea Climate.