May Weather in Hua Hin, Thailand

Last updated: August 27, 2025

May marks the transition into the vibrant rainy season in Hua Hin, Thailand, where temperatures reach a maximum of 35°C (95°F) and maintain an average of 29°C (85°F). The month experiences an average minimum temperature of 25°C (77°F), creating warm and humid conditions, with a notable humidity level of 79%. Rainfall is a significant aspect of May, with an average precipitation amount of 107 mm (4.2 in) spread over 16 days, infusing the landscape with lush greenery. Visitors can expect brief but refreshing rain showers amidst the tropical heat, making it a unique time to experience the charm of Hua Hin.

May Temperature in Hua Hin

May marks a significant transition in Hua Hin's weather, as temperatures reach their peak for the season. With a minimum of 25°C (77°F) and a maximum soaring to 35°C (95°F), this month exhibits the warmest averages, hovering around 29°C (85°F). The gradual increase from April, where highs max out at 34°C (94°F), signals the onset of the hotter summer months ahead. Despite the rising temperatures, May maintains a pleasant warmth that invites beachgoers and sun-seekers alike, showcasing Hua Hin as an ideal getaway for those longing for a tropical escape. As the heat intensifies, visitors can enjoy vibrant sunsets over the Gulf of Thailand, making every evening a memorable experience.

May Weather in Hua Hin: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Hua Hin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hua Hin, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808183848584838282828179
Data source: Temperature data for Hua Hin 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 Hua Hin

In Hua Hin, Thailand, May marks a significant transition into the rainy season, characterized by an impressive precipitation total of 107 mm (4.2 in) over 16 days. This rise in rainfall from April's 82 mm (3.2 in) is indicative of the region's shift towards wetter months, as May often serves as a precursor to even more intense downpours in June and July. The frequency of rainfall during this month highlights the increasing humidity and the lush, vibrant landscapes that unfold as nature thrives. As the days grow longer and rain becomes more prevalent, May sets the stage for a dynamic shift in the climate, painted with the promise of lush greenery and tropical blooms ahead.

May Precipitation Trends in Hua Hin

The chart displays monthly precipitation patterns in Hua Hin, 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 Hua Hin, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec501842821076511910416222211532
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hua Hin

As the calendar turns to May in Hua Hin, Thailand, residents and visitors alike experience a notable spike in humidity, reaching 79%. This marks a significant increase from April's 69% and sets the stage for the deeply tropical conditions that define the coming months. The trend expertly highlights the transition into the wet season, with humidity peaking in the subsequent months of June and July, where it escalates to a steamy 87% and 89%, respectively. Conversely, the humidity begins to taper off as autumn approaches, with levels dropping to 66% by December. Thus, May serves as a crucial pivot point in Hua Hin's climate, where the air becomes noticeably heavier, encouraging a shift in both lifestyle and leisure activities to embrace the warmth of summer.

May Average Humidity in Hua Hin

This chart illustrates the average monthly humidity levels in Hua Hin, 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 Hua Hin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%59%62%69%79%87%89%90%87%83%77%66%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hua Hin

In May, Hua Hin continues to bask in its extreme UV conditions, maintaining a notably high UV Index of 14. This indicates a consistent trend of intense sun exposure, allowing for a brief burn time of just 10 minutes. This level of ultraviolet radiation is characteristic of the region during the peak months, showing that whether it's January or July, residents and visitors alike need to take precautions to protect their skin. As summer progresses, the UV Index remains alarming, urging everyone to stay sun-safe. For more insights on the UV trends in this beautiful coastal town, visit Hua Hin UV Index.

Maximum UV Index Levels in Hua Hin for May

The chart shows the monthly maximum UV Index (UVI) for Hua Hin 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 Hua Hin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131414141314141413109
Data source: Hua Hin 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 Hua Hin

May in Hua Hin, Thailand, continues the trend of abundant sunshine, with 327 hours illuminating the month. Following the peak of 341 hours in March, sunlight gradually tapers slightly but remains consistently warm and inviting. April, with its 326 hours, sets a lovely tone for May, while the subsequent months still promise plenty of sunny days ahead, with June offering 308 hours. This pattern showcases Hua Hin’s reputation as a sun-drenched coastal paradise, where visitors can bask in delightful weather as they enjoy stunning beaches and vibrant local culture.

Monthly Sunshine Duration in Hua Hin: May Highlighted

The May sunshine duration represents the total number of hours Hua Hin 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.
JanFebMarAprMayJunJulAugSepOctNovDec252h303h341h326h327h308h295h286h280h290h296h315h
Data source: Hua Hin May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hua Hin During May

As May approaches in Hua Hin, Thailand, the likelihood of experiencing sunny weather dips to 34%, a noticeable decline from the sunnier days of previous months. Following the vibrant sunshine typical of February at 74%, the chance of clear skies progressively dwindles, culminating in April's 23% and a rather gloomy outlook for the months that follow, where June sees a mere 16%. This trend highlights a significant transition as the region steps into the rainy season, making May a month of unpredictability in terms of sunlight. However, for those still seeking a bit of sun before the heavier rains set in, the month offers a mix of overcast skies and occasional sunny breaks.

Percentage of Sunny Days in May in Hua Hin

The chart illustrates the percentage of sunny days in Hua Hin 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 Hua Hin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%74%63%23%34%16%11%9%9%12%21%58%
Data source: Hua Hin May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hua Hin in May

In Hua Hin, Thailand, daylight duration exhibits a distinct rhythm throughout the year. Beginning with 11 hours of daylight in January and February, the days gradually extend as spring approaches, peaking at 12 hours from March to August. This consistent stretch of light fosters a vibrant atmosphere, ideal for outdoor exploration and beach activities. As the year progresses into September, the daylight hours remain stable at 12 hours before gently tapering back to 11 hours in October, November, and December. This transition signals a return to shorter days, but the abundance of sunlight in the warmer months provides a stunning backdrop to Hua Hin’s scenic beauty and lively culture.

Average Daylight Hours in Hua Hin for May

The chart illustrates the variation in daylight duration in Hua Hin throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 28m11h 43m12h 3m12h 23m12h 41m12h 49m12h 45m12h 30m12h 10m11h 50m11h 32m11h 23m
Data source: Hua Hin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Hua Hin

In Hua Hin, Thailand, the month of May brings a gentle breeze, with an average wind speed of 3.3 m/s (7 mph). This mild wind is characteristic of the early summer transition, following April's calmest days marked by just 2.6 m/s. As the region shifts towards the hotter months, May’s winds provide a refreshing respite, setting the tone for the upcoming summer. Notably, wind speeds tend to rise again in June and July to 3.5 m/s (8 mph), creating a consistent pattern of breezy conditions emerging as the monsoon approaches. Overall, May serves as a lovely precursor to the more dynamic winds ahead, making it an ideal time for beachgoers to enjoy tranquil seaside moments.

Average May Wind Speed in Hua Hin

The chart displays monthly wind speed patterns in Hua Hin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.13.82.63.3 m/s3.53.53.22.53.13.84.5
Data source: Hua Hin May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Hua Hin Compares to Other Months

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

May and January present distinct contrasts in weather. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 35°C (95°F), with an average of 29°C (85°F). This month also experiences significant rainfall, with 107 mm (4.2 in) of precipitation over approximately 16 days, contributing to a high humidity level of 79%. In contrast, January is cooler, with temperatures fluctuating between 20°C (68°F) and 31°C (88°F), averaging 26°C (80°F). During this month, rainfall is limited to just 50 mm (2.0 in) over 3 days, resulting in a much lower humidity level of 58%. For more detailed information, you can check Hua Hin weather in January.

When comparing the weather in May and February, May experiences significantly warmer temperatures, with minimums around 25°C (77°F) and maximums reaching up to 35°C (95°F), while February has slightly cooler temperatures, ranging from a minimum of 23°C (73°F) to a maximum of 31°C (89°F). May also brings a higher level of precipitation, accumulating 107 mm (4.2 in) over approximately 16 days, compared to February's relatively dry climate with only 17 mm (0.7 in) across 3 days. Additionally, humidity levels are markedly higher in May at 79%, compared to 59% in February, contributing to a more tropical feel during the former month. For more detailed insights, check out Hua Hin weather in February.

When comparing March and May weather, it's clear that May tends to be warmer and more humid. May experiences average temperatures reaching up to 29°C (85°F) with maximums of 35°C (95°F), while March has slightly cooler averages peaking at 33°C (91°F). Additionally, May sees significantly higher precipitation levels, with 107 mm (4.2 in) falling over 16 days compared to March's 42 mm (1.6 in) spread over just 4 days. Furthermore, May's humidity averages around 79%, making it feel more oppressive than March's 62%. For those interested in more specific weather details, you can visit Hua Hin weather in March.

In comparison to April, May experiences slightly higher temperatures, with a minimum of 25°C (77°F) and a maximum of 35°C (95°F), while April ranges from 23°C (74°F) to 34°C (94°F). Both months share an average temperature of 29°C (85°F). However, May sees increased precipitation, with 107 mm (4.2 in) over 16 days, compared to April's 82 mm (3.2 in) over 12 days. Additionally, May has a higher humidity level of 79%, compared to April's 69%. For more details about April weather, you can visit Hua Hin weather in April.

In comparing the weather of May and June, we notice some subtle differences. May tends to be slightly hotter, with a maximum temperature of 35°C (95°F), while June’s peak temperature is a bit lower at 34°C (93°F). The average temperatures are similar, with May at 29°C (85°F) and June at 29°C (84°F). In terms of precipitation, May is wetter, receiving 107 mm (4.2 in) over 16 days, compared to June's 65 mm (2.6 in) over 15 days. Humidity also plays a role, with June being more humid at 87% compared to May’s 79%. For a detailed look at the weather trends in June, you can visit Hua Hin weather in June.

In comparing the weather between May and July, we see some notable similarities and differences. Both months have a minimum temperature of around 25°C (77°F), with May averaging slightly warmer at 29°C (85°F), compared to July's average of 28°C (83°F). July experiences a slightly lower maximum temperature of 34°C (93°F) compared to May's 35°C (95°F). However, July has more precipitation, with 119 mm (4.7 in) over 18 days, compared to May's 107 mm (4.2 in) over 16 days. Additionally, humidity levels in July rise to 89%, making it feel more humid than May's 79%. For a detailed perspective on what to expect during July, you can visit Hua Hin weather in July.

May and August both feature warm temperatures, but May is slightly hotter on average, with temperatures peaking at 35°C (95°F) compared to August's maximum of 33°C (91°F). In terms of precipitation, May experiences a marginally higher total of 107 mm (4.2 in) over 16 days, while August sees 104 mm (4.1 in) over 19 days. Additionally, humidity levels rise in August, reaching 90%, compared to May's 79%. For more detailed information about the weather in August, you can check Hua Hin weather in August.

May typically brings warmer temperatures with a minimum of 25°C (77°F) and an average high of 35°C (95°F), while September sees slightly cooler weather, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 33°C (92°F). However, September experiences significantly more rainfall, with a total precipitation of 162 mm (6.4 in) over 22 days compared to May's 107 mm (4.2 in) over 16 days. Additionally, humidity levels are higher in September at 87%, compared to May's 79%, making the latter month feel somewhat less oppressive. For a more detailed look at the weather conditions in this region during September, you can check out Hua Hin weather in September.

In comparing the weather of May and October, we see that both months feature warm temperatures, but October is slightly cooler. May boasts a minimum of 25°C (77°F) and averages around 29°C (85°F), peaking at 35°C (95°F). In contrast, October's temperatures range from a minimum of 24°C (76°F) to an average of 28°C (82°F), with a maximum of 32°C (89°F). However, October experiences significantly higher precipitation levels, with 222 mm (8.7 in) spread over 24 days, compared to May's 107 mm (4.2 in) over 16 days. Additionally, humidity levels are higher in October at 83% compared to 79% in May. For those interested in a detailed breakdown, check out the Hua Hin weather in October.

In May, temperatures are generally warmer, with minimums around 25°C (77°F) and maximums reaching up to 35°C (95°F), while November offers slightly cooler conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F). Both months experience significant precipitation, with May averaging 107 mm (4.2 in) over 16 days and November slightly higher at 115 mm (4.5 in) over 14 days. Humidity levels remain relatively consistent, with May at 79% and November slightly lower at 77%. For a detailed outlook on November weather, visit Hua Hin weather in November.

When comparing the weather in May and December, notable differences emerge. May boasts higher temperatures, with a minimum of 25°C (77°F) and an average peak of 29°C (85°F), while December maintains a cooler atmosphere with temperatures ranging from a minimum of 20°C (68°F) to an average of 26°C (80°F). In May, the region experiences significantly more precipitation, totaling 107 mm (4.2 in) over 16 days, whereas December enjoys a much drier climate with only 32 mm (1.3 in) spread across just 4 days. Additionally, May features a higher humidity level of 79% compared to December's 66%. For more detailed information, you can check Hua Hin weather in December.

Compare Hua Hin's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Hua Hin

As May rolls into Hua Hin, the weather takes on a notably more humid and rainy character compared to earlier months. The average temperature hovers around a warm 29°C (85°F), and while the highs can soar to 35°C (95°F), the substantial 107 mm (4.2 in) of rainfall spread across 16 days makes this month distinctively wetter. Travelers should prepare for the lush, vibrant landscapes that flourish under the warmth and humidity, which can be a refreshing change from the drier months that precede it. If you're planning a visit, be sure to check out more details on the region's unique climate at Hua Hin Climate.