May Weather in Don Mueang, Thailand

Last updated: August 27, 2025

May weather in Don Mueang, Thailand is characterized by high temperatures and significant humidity, making it a month of intense heat. With a maximum temperature soaring up to 40°C (105°F) and an average of 30°C (87°F), residents and visitors alike should be prepared for the warmth. Nighttime offers some relief with a minimum temperature of 23°C (74°F). This month also sees considerable rainfall, with precipitation reaching 160 mm (6.3 in) spread over approximately 21 rainy days. Coupled with an average humidity level of 80%, the climate can feel quite tropical, emphasizing the need for hydration and light clothing during outdoor activities.

May Temperature in Don Mueang

In May, Don Mueang, Thailand experiences the onset of hotter weather, with temperatures reaching a maximum of 40°C (105°F), marking one of the year's peak heat periods. The month begins with a minimum of 23°C (74°F), offering a warm start to the day, and reaches an average temperature of 30°C (87°F), consistent with previous months. As the heat intensifies, particularly in comparison to April's max of 39°C (103°F), visitors and locals alike are encouraged to stay hydrated and seek shade. May is a transitional month that ushers in the rainy season, hinting at the blend of warmth and increased humidity that characterizes the region moving forward into June. Overall, this month highlights a significant trend in rising temperatures leading into the summer months, perfect for those who thrive in the heat but cautioning others to prepare for the changing climate.

May Weather in Don Mueang: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Don Mueang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Don Mueang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808286868686858484838280
Data source: Temperature data for Don Mueang 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 Don Mueang

In May, Don Mueang experiences a notable surge in precipitation, with 160 mm (6.3 in) of rain, marking one of the wettest months of the year. This increase is reflected in the 21 days of rain, showcasing a shift toward the region’s rainy season. The contrast with the drier months preceding it, particularly April with just 107 mm (4.2 in) over 13 days, is stark and underscores the transition into a period where rain becomes a daily occurrence. This pattern continues into the following months, with June and July also receiving substantial rainfall. Overall, May serves as a pivotal month, setting the stage for the monsoon's full arrival, which dramatically reshapes the landscape and atmosphere of the region.

May Precipitation Trends in Don Mueang

The chart displays monthly precipitation patterns in Don Mueang, 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 Don Mueang, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2012491071601421821902642395821
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Don Mueang

As May arrives in Don Mueang, Thailand, the humidity begins to soar, reaching an average of 80%—a clear indication of the onset of the monsoon season. This significant jump from April's 70% humidity marks a trend of increasing moisture that continues into the following months. The air feels heavy and dense, as humidity peaks at 88% in August, creating a tropical atmosphere that is characteristic of this region. As the months progress, the humidity gradually declines, but May stands out as a turning point where the lush, verdant landscape truly flourishes, offering a vivid glimpse into the natural beauty that thrives in this humid environment.

May Average Humidity in Don Mueang

This chart illustrates the average monthly humidity levels in Don Mueang, 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 Don Mueang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%61%70%80%85%86%88%87%83%78%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Don Mueang

In May, Don Mueang, Thailand, continues to experience intense sunlight, featuring a UV Index of 13. This places it firmly within the extreme exposure category, where even minimal sun exposure can lead to skin burns in just 10 minutes. The trend of escalating UV levels observed since February persists, with the UV Index reaching its peak in both April and May. As summer unfolds, residents and visitors alike should remain vigilant about sun protection, as this extreme UV intensity is consistent throughout the month. For further details on daily UV conditions, check out the Don Mueang UV Index.

Maximum UV Index Levels in Don Mueang for May

The chart shows the monthly maximum UV Index (UVI) for Don Mueang 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 Don Mueang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911121313121313131198
Data source: Don Mueang 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 Don Mueang

In May, Don Mueang, Thailand, basks in a generous average of 317 hours of sunshine, continuing the trend of bright days established in the earlier months. Following April's high of 319 hours, May remains a stellar month for sun-seekers, only slightly dimming as the rainy season approaches. The sunshine hours show a gradual decline throughout the summer, dropping to 286 hours in July and 270 hours in August. This pattern underscores the transition into the rainy season, yet May still offers ample warmth and daylight, making it an inviting time for outdoor activities and exploration before the clouds take over.

Monthly Sunshine Duration in Don Mueang: May Highlighted

The May sunshine duration represents the total number of hours Don Mueang 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h297h334h319h317h293h286h270h263h283h294h315h
Data source: Don Mueang May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Don Mueang During May

In Don Mueang, Thailand, May brings a notable shift in the likelihood of sunny weather, with a 33% chance of clear skies. This decrease follows the high probabilities seen in February’s 76% and the more moderate 57% in January, highlighting a trend of diminishing sunshine as the region transitions toward the wet season. The stark contrast is evident in April, which dips to 18%, raising the anticipation for the impending rains. As the year progresses, the chances of sunshine dwindle to alarmingly low levels, with June plummeting to just 16% and remaining under 20% through to August. Thus, while May still holds some promise for sunny days, patterns suggest that the sunny respite is becoming increasingly rare as the monsoon looms on the horizon.

Percentage of Sunny Days in May in Don Mueang

The chart illustrates the percentage of sunny days in Don Mueang 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 Don Mueang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%76%55%18%33%17%10%9%10%14%31%64%
Data source: Don Mueang May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Don Mueang in May

In Don Mueang, Thailand, daylight duration exhibits a fascinating pattern throughout the year. From January to April, the days gradually stretch from 11 to 12 hours, signaling the approach of summer. Starting in May, the trend stabilizes as daylight maintains a consistent 12-hour span through the height of summer in June, July, August, and September. As the year winds down, daylight durations once again taper back to 11 hours in October, November, and December, marking a return to shorter days. This rhythm of longer days during the warmer months and a retreat to shorter daylight periods in the cooler months creates a steady seasonal flow in Don Mueang's sunshine experience.

Average Daylight Hours in Don Mueang for May

The chart illustrates the variation in daylight duration in Don Mueang throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 23m11h 40m12h 2m12h 26m12h 45m12h 55m12h 50m12h 33m12h 11m11h 48m11h 28m11h 18m
Data source: Don Mueang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Don Mueang

In Don Mueang, Thailand, the month of May experiences an average wind speed of 2.2 m/s (5 mph), reflecting a mild breeze that sets the stage for the transition into the rainy season. Following a brief dip to 1.7 m/s in April, the winds pick up slightly, marking a shift from the more stagnated airflow observed earlier in the year. Notably, this month precedes a summer wind peak in June, where speeds rise to 2.7 m/s. As the temperatures climb through the months, the wind patterns demonstrate a general trend of increasing activity, suggesting a dynamic atmosphere and an inviting environment for outdoor pursuits. Overall, May offers a delightful balance of gentle winds, making it an enjoyable time for residents and visitors alike.

Average May Wind Speed in Don Mueang

The chart displays monthly wind speed patterns in Don Mueang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.12.61.72.2 m/s2.72.52.41.91.81.92.4
Data source: Don Mueang May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Don Mueang Compares to Other Months

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

May and January present stark contrasts in weather conditions. May is considerably hotter, with average temperatures soaring up to 30°C (87°F) and maximums reaching up to 40°C (105°F). Additionally, it experiences high humidity at 80% and substantial precipitation, receiving about 160 mm (6.3 in) over 21 days. In contrast, January offers a milder climate with average temperatures around 27°C (80°F) and a more manageable maximum of 35°C (96°F). The month is also significantly drier, featuring only 20 mm (0.8 in) of rain over just 3 days, complemented by a lower humidity of 59%. For more details, check out Don Mueang weather in January.

In comparing the weather between May and February, it’s evident that May experiences significantly higher temperatures, with daily averages reaching up to 30°C (87°F) and maximums soaring to 40°C (105°F). In contrast, February has a milder average temperature of 28°C (82°F) and peaks at 36°C (97°F). Additionally, May is marked by increased humidity at 80%, while February maintains a more comfortable humidity level of 58%. Precipitation also varies greatly; May sees a much higher rainfall of 160 mm (6.3 in) over 21 days, while February has a minimal 12 mm (0.5 in) over just 2 days, making it a drier month. For more specific details, you can explore Don Mueang weather in February.

When comparing the weather in March and May, we see notable differences in temperature and precipitation patterns. In March, temperatures range from a minimum of 22°C (72°F) to a maximum of 38°C (101°F), with an average of 30°C (86°F). The month experiences relatively low precipitation, with just 49 mm (1.9 in) over 6 days and a humidity level of 61%. In contrast, May is hotter, with minimum temperatures of 23°C (74°F) and maximums reaching up to 40°C (105°F), while still averaging 30°C (87°F). However, it is significantly wetter, with 160 mm (6.3 in) of rain falling over 21 days and a humidity increase to 80%. For a detailed overview of March weather, check Don Mueang weather in March.

In comparison to April, May experiences slightly warmer temperatures, with a minimum of 23°C (74°F) compared to April's 20°C (69°F), and a maximum that peaks at 40°C (105°F), just above April's high of 39°C (103°F). Both months have the same average temperature of 30°C (87°F). However, May is significantly wetter, with 160 mm (6.3 in) of precipitation over 21 days, while April has only 107 mm (4.2 in) over 13 days. Additionally, humidity levels increase in May to 80%, compared to 70% in April, making the weather feel more oppressive. For more detailed insights, check out Don Mueang weather in April.

In comparing the weather of May and June, both months exhibit similar average temperatures, hovering around 30°C (87°F to 86°F). However, May typically experiences slightly hotter extremes with a maximum temperature reaching 40°C (105°F), while June's peak temperature is a bit lower at 38°C (101°F). Precipitation levels are also close, with May receiving 160 mm (6.3 in) over 21 days, compared to June's 142 mm (5.6 in) spread across 22 days. Additionally, June sees a marginally higher humidity level at 85%, compared to May's 80%. For a more detailed look at June's weather patterns, you can visit Don Mueang weather in June.

In comparing the weather between May and July, it is clear that both months experience high temperatures and significant humidity. May typically sees a minimum temperature of 23°C (74°F) and reaches up to 40°C (105°F) at its peak, with an average temperature of 30°C (87°F). The month is characterized by considerable rainfall, averaging 160 mm (6.3 in) across 21 days, and a humidity level of 80%.

In contrast, July has slightly warmer minimum temperatures at 25°C (77°F) and a lower maximum of 37°C (99°F), with an average temperature of 29°C (85°F). It also experiences a bit more precipitation, averaging 182 mm (7.2 in) over 27 days, along with increased humidity at 86%. This makes July feel a touch more humid and wetter compared to May. For more details, you can refer to Don Mueang weather in July.

In comparing the weather of May and August, it's evident that both months are characterized by high temperatures and humidity. May typically sees a minimum temperature of 23°C (74°F) and an average of 30°C (87°F), peaking at a hot 40°C (105°F). It experiences 160 mm (6.3 in) of precipitation over 21 days, coupled with a humidity level of 80%. In contrast, August starts with slightly warmer minimum temperatures at 25°C (77°F) and an average of 29°C (85°F), with a maximum of 37°C (100°F). This month is generally wetter, with 190 mm (7.5 in) of rainfall across 25 days and a higher humidity of 88%. For more specific weather details, check out Don Mueang weather in August.

May and September present contrasting yet similarly humid climates. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (105°F), with an average temperature of 30°C (87°F). This month receives about 160 mm (6.3 in) of precipitation across 21 days, creating a hot and steamy atmosphere with 80% humidity. In contrast, September experiences slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 36°C (97°F), averaging at 29°C (84°F). However, it sees significantly more rainfall, totaling 264 mm (10.4 in) over 24 days, leading to an increase in humidity to 87%. For more details on September's conditions, you can check Don Mueang weather in September.

May and October present distinct weather patterns, with May typically featuring higher temperatures ranging from a minimum of 23°C (74°F) to a maximum of 40°C (105°F), and an average temperature of 30°C (87°F). It is characterized by significant rainfall, with precipitation reaching 160 mm (6.3 in) over 21 days, accompanied by high humidity at 80%. In contrast, October offers cooler temperatures, with a minimum of 22°C (72°F), an average of 28°C (83°F), and a maximum of 36°C (97°F). However, it experiences more rainfall, totaling 239 mm (9.4 in) over 20 days, and slightly increased humidity at 83%. For more details on October weather, take a look at Don Mueang weather in October.

May and November exhibit quite distinct weather patterns. In May, temperatures soar, with averages around 30°C (87°F) and maximums reaching up to 40°C (105°F), making it one of the hottest months. This heat accompanies significant rainfall, as May experiences about 160 mm (6.3 in) of precipitation over 21 days, coupled with high humidity levels at 80%. In contrast, November offers a more temperate climate, with average temperatures of 28°C (83°F) and maximums at 35°C (96°F). The month sees much less rainfall, totaling only 58 mm (2.3 in) over 8 days, and slightly lower humidity at 78%. For a more detailed look at November weather, visit Don Mueang weather in November.

In May, temperatures soar, with minimums around 23°C (74°F) and maximums reaching up to 40°C (105°F), averaging a steamy 30°C (87°F). The month is also marked by significant rainfall, with about 160 mm (6.3 in) of precipitation over 21 days and humidity levels peaking at 80%. In contrast, December offers a much milder climate, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), averaging a comfortable 27°C (80°F). Rainfall is minimal in December, totaling only 21 mm (0.8 in) over just 2 days, and humidity decreases to 70%. For more details about the weather in December, you can visit Don Mueang weather in December.

Compare Don Mueang's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Don Mueang

As May arrives in Don Mueang, the weather transforms into a sweltering experience, with temperatures soaring to a maximum of 40°C and an average of around 30°C. This month is characterized by high humidity levels, often peaking at 80%, creating a sticky and uncomfortable atmosphere. Unlike the drier months, May witnesses significant rainfall, with approximately 160 mm of precipitation spread over 21 days, making it one of the wettest months of the year. This combination of heat and humidity is a stark contrast to the cooler, drier conditions preceding it, prompting a shift in daily routines and activities. For further details on the weather patterns, please visit Don Mueang Climate.