May Weather in Samut Songkhram, Thailand

Last updated: August 27, 2025

In Samut Songkhram, Thailand, the weather in May presents a warm and humid atmosphere, characterized by maximum temperatures reaching up to 40°C (103°F) and an average of 30°C (87°F). The evenings provide a respite with minimum temperatures around 24°C (75°F). While the region enjoys plenty of sunshine, it also experiences significant precipitation, totaling 147 mm (5.8 in) across 19 rainy days, contributing to the high humidity levels of 79%. This blend of warmth and moisture creates a vibrant environment, typical of a tropical climate, making May an intriguing month for both residents and visitors alike.

May Temperature in Samut Songkhram

In May, Samut Songkhram experiences a notable rise in temperatures, marking the peak of the hot season. The minimum temperature starts at a cozy 24°C (75°F), while the average remains steady at 30°C (87°F). Days can be scorching, with the maximum soaring up to a sweltering 40°C (103°F), making it one of the hottest months of the year. This upward trend from April's averages showcases the intensifying heat as summer approaches, nudging travelers to seek shade and refreshment while exploring the region's vibrant culture and stunning landscapes. With the humidity also peaking, it’s advisable to stay hydrated and embrace the slower pace of life that May often brings.

May Weather in Samut Songkhram: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Samut Songkhram, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Samut Songkhram, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808285868786858484838279
Data source: Temperature data for Samut Songkhram generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Samut Songkhram

In May, Samut Songkhram experiences a significant surge in precipitation, with a total of 147 mm (5.8 in) falling over 19 days. This marks a notable increase from the previous months, illustrating the transition into the rainy season. The rainfall not only surpasses April's total of 104 mm but also sets the stage for the even wetter conditions that follow in the subsequent months, particularly in August and September. With nearly two-thirds of May days receiving rain, the lush greenery of the region thrives, making it a vibrant time of year despite the frequent showers. This trend emphasizes the region's shift from the drier early months to a more humid and lush landscape, characteristic of its tropical climate.

May Precipitation Trends in Samut Songkhram

The chart displays monthly precipitation patterns in Samut Songkhram, 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 Samut Songkhram, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2313351041471191351662212397920
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Samut Songkhram

In Samut Songkhram, Thailand, May marks a notable shift in humidity levels, soaring to 79%, making it one of the wettest months of the year. This rise continues a trend seen from the previous months, where humidity has gradually increased from 58% in January to 69% in April. As the region heads into the monsoon season, humidity keeps climbing, peaking in the summer months of July and August, which see levels of 89% and 90%, respectively. The consistent upward trajectory highlights the region's transition into a lush, tropical climate, setting the stage for the vibrant landscapes and rich biodiversity characteristic of this time of year.

May Average Humidity in Samut Songkhram

This chart illustrates the average monthly humidity levels in Samut Songkhram, 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 Samut Songkhram 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 Samut Songkhram

In May, Samut Songkhram experiences one of its most intense UV Index readings, peaking at a striking 14, which falls into the extreme exposure category. This high index means that unprotected skin can burn in just 10 minutes, underscoring the importance of sun safety during this month. Notably, both March and July also reach a UV Index of 14, indicating that the risk of UV exposure remains significantly elevated in the latter part of spring and the height of summer. As we transition into the rainy season, the UV Index begins to slightly decline from June onward, but May stands out as a critical month for sun protection in this vibrant region. For more details on sun safety and the UV conditions in Samut Songkhram, check out the Samut Songkhram UV Index.

Maximum UV Index Levels in Samut Songkhram for May

The chart shows the monthly maximum UV Index (UVI) for Samut Songkhram 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 Samut Songkhram typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121413141314141312109
Data source: Samut Songkhram 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 Samut Songkhram

May in Samut Songkhram, Thailand, enjoys an impressive 320 hours of sunshine, creating a vibrant backdrop for outdoor activities and exploration. This month maintains a consistent brightness, only slightly less than the peak March average of 335 hours. As the region transitions from the peak of summer, there’s a gentle decline in sunlight hours through June, yet the warmth endures. The longer days of May exemplify the area’s sunny disposition, contributing to the lush landscapes and lively local culture just before the rainy season sets in. Overall, May stands out as a splendid time to relish the sun, just before the slightly cooler and cloudier months approach.

Monthly Sunshine Duration in Samut Songkhram: May Highlighted

The May sunshine duration represents the total number of hours Samut Songkhram 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h299h335h322h320h302h289h275h266h286h293h315h
Data source: Samut Songkhram May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Samut Songkhram During May

In Samut Songkhram, Thailand, the likelihood of sunny weather takes a noticeable dip in May, with only a 32% chance of sun. This decline follows a pattern that sees the sunniest months occurring earlier in the year, especially February at a robust 77% and January at 60%. As the region transitions into the rainy season during April with just 19% sunshine, May continues this trend, leading into even cloudier months like June and July. Therefore, for those hoping to soak up the sun, May may not be the ideal time, as the chance of clear skies significantly lowers, hinting at the predominance of overcast conditions ahead.

Percentage of Sunny Days in May in Samut Songkhram

The chart illustrates the percentage of sunny days in Samut Songkhram 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 Samut Songkhram experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%77%59%19%33%16%11%9%9%14%26%62%
Data source: Samut Songkhram May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Samut Songkhram in May

In Samut Songkhram, Thailand, daylight duration exhibits a clear seasonal rhythm throughout the year. The winter months of January and February offer a steady 11 hours of daylight, providing a cozy, serene atmosphere. As the spring months arrive, March signals a shift with an increase to 12 hours, a trend that continues into April and May, heralding the longer days of summer. This consistent 12-hour daylight pattern persists through the heart of summer, extending from June to September, allowing residents and visitors ample time to enjoy the vibrant outdoor lifestyle. As October approaches, daylight begins to wane again, returning to 11 hours by November and December, creating a cyclical pattern that beautifully marks the passing of the seasons in this charming coastal region.

Average Daylight Hours in Samut Songkhram for May

The chart illustrates the variation in daylight duration in Samut Songkhram throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 25m11h 41m12h 2m12h 25m12h 44m12h 53m12h 48m12h 32m12h 10m11h 48m11h 29m11h 20m
Data source: Samut Songkhram daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Samut Songkhram

In Samut Songkhram, Thailand, the winds of May bring a gentle breath, with an average speed of 2.1 m/s (5 mph). Notably, this month follows a trend of fluctuating wind patterns throughout the year, peaking at 2.8 m/s (6 mph) in March before dropping to its lowest point of 1.7 m/s (4 mph) in April. As spring wanes, May's winds maintain a steady and pleasant flow, aligning with June's slightly increased average of 2.4 m/s (5 mph). This consistency reflects a transitional phase as the region approaches the rainy season, offering a refreshing respite that enhances the lush landscapes and vibrant aquatic life characteristic of the area. Overall, the winds in May create an inviting ambiance, typical of the charming coastal environment that defines this part of Thailand.

Average May Wind Speed in Samut Songkhram

The chart displays monthly wind speed patterns in Samut Songkhram, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.32.81.72.1 m/s2.42.22.11.71.92.22.5
Data source: Samut Songkhram May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Samut Songkhram Compares to Other Months

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

May typically features much warmer weather compared to January, with average temperatures soaring to around 30°C (87°F) and reaching highs of 40°C (103°F). The month is also characterized by significant precipitation, averaging 147 mm (5.8 in) over approximately 19 days, and a high humidity level of 79%. In contrast, January offers a milder climate, with average temperatures of 27°C (80°F) and maximums reaching 34°C (93°F). Additionally, January experiences minimal rainfall, with only 23 mm (0.9 in) spread over just 2 days, and a lower humidity level of 58%. For more insights on conditions, you can check Samut Songkhram weather in January.

May is significantly warmer and more humid than February, with temperatures ranging from a minimum of 24°C (75°F) to a scorching maximum of 40°C (103°F). In contrast, February features milder temperatures, with a minimum of 20°C (67°F) and a maximum of 35°C (95°F). Additionally, May experiences much higher precipitation levels, with 147 mm (5.8 in) of rain over 19 days, whereas February sees a modest 13 mm (0.5 in) of rainfall over just 3 days. The humidity in May is also notable at 79%, compared to February's 59%. For more details, you can refer to Samut Songkhram weather in February.

In comparing the weather of March and May, both months exhibit warm temperatures, with March showing a min of 23°C (73°F), an avg of 30°C (86°F), and a max of 37°C (99°F). In contrast, May is slightly warmer, with a min of 24°C (75°F), an avg of 30°C (87°F), and a max reaching up to 40°C (103°F). Notably, May experiences significantly higher precipitation, recording 147 mm (5.8 in) over 19 days, compared to March's modest 35 mm (1.4 in) over just 4 days. Additionally, May has a higher humidity level at 79%, while March maintains a lower humidity of 62%. For more details on March's weather, you can visit Samut Songkhram weather in March.

In comparing the weather of May and April, both months feature similar average temperatures, with May reaching daily highs of 40°C (103°F) compared to April's 39°C (102°F). However, May is notably hotter at night, with minimum temperatures averaging 24°C (75°F) versus April's 21°C (70°F). Additionally, May experiences higher humidity at 79%, while April has a more moderate 69%. Precipitation is significantly greater in May, with 147 mm (5.8 in) over 19 days, compared to April's 104 mm (4.1 in) over just 11 days. For a more detailed look at April weather, you can visit Samut Songkhram weather in April.

May and June offer distinct weather experiences, although both months share warm temperatures. In May, temperatures range from a minimum of 24°C (75°F) to a maximum of 40°C (103°F), with an average of 30°C (87°F). This month also sees significant rainfall, with 147 mm (5.8 in) distributed over 19 days, resulting in a humidity level of 79%. In contrast, June has a slightly warmer minimum temperature of 26°C (78°F) and a lower maximum of 37°C (99°F), maintaining the same average of 30°C (86°F). Precipitation in June decreases to 119 mm (4.7 in) but occurs over 20 days, leading to an increase in humidity to 87%. For a more detailed look at June weather in this region, visit Samut Songkhram weather in June.

May and July exhibit distinct weather patterns, with May experiencing slightly warmer temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 40°C (103°F) and an average of 30°C (87°F). In contrast, July is marginally cooler, featuring temperatures from 25°C (78°F) to a maximum of 37°C (99°F), with an average of 29°C (85°F). Precipitation levels are also noteworthy; May receives 147 mm (5.8 in) over 19 days, while July sees a bit less rain, totaling 135 mm (5.3 in) spread over 24 days. Additionally, July has higher humidity at 89% compared to May's 79%. For a deeper understanding of July's weather specifics, check out Samut Songkhram weather in July.

In May, the weather is characterized by warmer temperatures, with averages reaching up to 30°C (87°F) and a maximum of 40°C (103°F), while the humidity stands at a considerable 79%. The month experiences significant rainfall, totaling 147 mm (5.8 in) over 19 days. In contrast, August sees slightly lower average temperatures, peaking at 36°C (98°F) and averaging 29°C (85°F), but the humidity rises to 90%, creating a more oppressive feel. Additionally, August tends to be wetter, with 166 mm (6.5 in) of precipitation over 25 days. For more detailed information, check out Samut Songkhram weather in August.

May and September both experience warm temperatures, but September tends to be slightly cooler with an average of 29°C (84°F) compared to May's 30°C (87°F). The humidity also increases in September, reaching 87%, which is higher than May's 79%. However, September sees more rainfall, with 221 mm (8.7 in) over 24 days, whereas May has 147 mm (5.8 in) spread across 19 days. This increased precipitation in September contributes to the overall more humid and wetter climate, making the transition from the hotter May to the wetter September quite noticeable. For more detailed weather information, visit Samut Songkhram weather in September.

In comparing the weather between May and October, we see notable differences in temperature and precipitation. May presents higher temperatures, with an average of 30°C (87°F) and a maximum reaching 40°C (103°F), while October is milder with an average of 28°C (83°F) and a maximum of 34°C (94°F). However, October experiences significantly more rainfall, with 239 mm (9.4 in) over 21 days compared to May's 147 mm (5.8 in) across 19 days. Additionally, humidity levels are slightly higher in October at 83% compared to 79% in May. For more detailed insights on October weather, visit Samut Songkhram weather in October.

In comparing the weather between May and November, May tends to be warmer and wetter. During May, temperatures can reach a maximum of 40°C (103°F) with an average temperature of 30°C (87°F), while November sees slightly cooler conditions, peaking at 34°C (93°F) and averaging 28°C (82°F). Additionally, May experiences significantly higher precipitation, totaling 147 mm (5.8 in) over 19 days, compared to November's 79 mm (3.1 in) across 11 days. Humidity levels are relatively similar, with May at 79% and November at 77%. For more detailed information, you can refer to Samut Songkhram weather in November.

May and December present striking contrasts in weather. In May, the temperatures range significantly, with a minimum of 24°C (75°F) and a sweltering maximum reaching 40°C (103°F), accompanied by high humidity at 79%. It's a rainy month, experiencing 147 mm (5.8 in) of precipitation over 19 days, which can create a muggy atmosphere. In contrast, December offers a much more temperate climate, with temperatures ranging from a cool 16°C (61°F) to a mild 34°C (94°F) and an average of 26°C (80°F). Rainfall is minimal, with only 20 mm (0.8 in) over just three days, and the humidity drops to a comfortable 66%. For more details on December weather conditions, check Samut Songkhram weather in December.

Compare Samut Songkhram's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Samut Songkhram

In May, Samut Songkhram experiences a distinct weather shift characterized by hot temperatures and increased humidity, setting it apart from the cooler months that precede it. The average temperature peaks around 30°C (87°F), with maximums soaring to a sweltering 40°C (103°F). Unlike the drier months, May brings significant rainfall, with 147 mm (5.8 in) accumulated over about 19 days, creating a lush environment despite the heat. The elevated humidity levels, reaching 79%, can make the weather feel even more oppressive. This blend of heat and moisture not only enhances the tropical ambiance but also marks May as a transition into the rainy season. For a deeper dive into Samut Songkhram's weather patterns and nuances throughout the year, explore Samut Songkhram Climate.