May Weather in Macau, Macao

Last updated: August 21, 2025

May in Macau offers a vibrant blend of warmer temperatures and increased humidity, making it a lively time to explore the city. With maximum temperatures reaching 33°C (92°F) and an average of 27°C (80°F), the weather is generally pleasant yet can feel quite sticky due to the humidity levels averaging around 79%. Visitors should prepare for occasional rainfall, as the month typically sees about 167 mm (6.6 in) of precipitation over 19 days. Despite the rain, the month is rich with vibrant energy, making it an ideal time for travelers seeking to experience Macau's unique culture amidst lush landscapes shaped by the season.

May Temperature in Macau

In May, Macau experiences a delightful transition into summer, with temperatures gradually rising and inviting warmth. The month starts with a minimum temperature of 17°C (63°F) and escalates to a maximum of 33°C (92°F), offering an average of 27°C (80°F). This is a clear upward trend from the preceding months, where temperatures steadily climbed from a cool 7°C (44°F) in January to the more comfortable warmth of spring. As May progresses, the increasing heat signals the onset of summer, providing perfect weather for outdoor exploration and enjoying the city's vibrant atmosphere before the sweltering heat of June sets in. With mild evenings and sunny days, May is indeed an ideal time to bask in Macau's enchanting charm.

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

The chart illustrates May temperature patterns in Macau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macau, 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).
JanFebMarAprMayJunJulAugSepOctNovDec636370748084848483787264
Data source: Temperature data for Macau 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 Macau

In May, Macau experiences a noticeable surge in rainfall, with precipitation reaching 167 mm (6.6 in) across approximately 19 days. This uptick marks a significant transition from the lighter showers of the preceding months; for comparison, April's total was just 114 mm (4.5 in) over 13 days. While January, February, and March show relatively mild conditions, the arrival of May heralds a shift into the heart of the rainy season, setting the stage for even heavier rainfall in the coming months. Following May, the precipitation peaks dramatically in June and August, underscoring a pattern of escalating wet conditions that dominate the summer months in this vibrant region.

May Precipitation Trends in Macau

The chart displays monthly precipitation patterns in Macau, 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 Macau, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1749621141673102383962331772622
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Macau

In May, Macau experiences a notable rise in humidity, peaking at 79%, indicative of the transition into the summer months. This increase aligns with the gradual upward trend observed since January, where humidity levels start at 64% and steadily climb through the seasons. Following a slight dip in April to 71%, May's figures highlight not only the approaching heat but also the city's humid subtropical climate. As summer unfolds, humidity levels will soar further, reaching 88% in both July and August, showcasing the lush, tropical feel of this vibrant destination.

May Average Humidity in Macau

This chart illustrates the average monthly humidity levels in Macau, 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 Macau is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Macau

As May unfolds in Macau, the UV Index reaches a notable 14, categorizing it as extreme and necessitating a cautious approach to sun exposure, with a burn time of just 10 minutes. This marks an upward trend from the previous months, where the UV Index has consistently hovered in the high to extreme range, with April and March also registering 12. The intensity of the sun in May serves as a reminder to residents and visitors alike to prioritize sun safety through adequate protection, especially as the summer months approach. Comparatively, June follows closely with an index of 13, while the values trend lower in the months leading up to winter. For a more comprehensive understanding of how to prepare for the sun's intensity, check out the detailed information at Macau UV Index.

Maximum UV Index Levels in Macau for May

The chart shows the monthly maximum UV Index (UVI) for Macau 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 Macau typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313111197
Data source: Macau 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 Macau

May in Macau shines brightly with an impressive 298 hours of sunshine, marking a delightful peak in the year. This surge follows a steady upward trend from the cooler months, where January started with 210 hours and gradually climbed through spring. While April offered a respectable 247 hours, May's leap is particularly noteworthy, illuminating the arrival of warmer days and vibrant outdoor life. As temperatures rise, the sunny conditions remain consistent through June and July, with the summer months showcasing even more hours of sunshine, peaking at 318 hours in July. Clearly, May serves as a joyful precursor to the sun-soaked festivities that follow, setting a remarkable tone for the summer ahead.

Monthly Sunshine Duration in Macau: May Highlighted

The May sunshine duration represents the total number of hours Macau 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.
JanFebMarAprMayJunJulAugSepOctNovDec210h244h264h247h298h277h318h283h287h276h260h261h
Data source: Macau May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Macau During May

In May, the likelihood of sunny weather in Macau takes a notable dip, with a 30% chance of sunshine. This decline follows a relatively brighter start to the year, where January boasts a 59% chance and February maintains a 57% likelihood. As spring transitions into summer, the sun seems to shy away, with June plummeting to just 11%. Interestingly, this pattern suggests that while early months enjoy fair weather, the onset of the summer season brings a considerable increase in cloud cover and rain. This trend highlights the importance of planning outdoor activities carefully, as the promising sunshine of January and February gives way to more unpredictable conditions later in spring.

Percentage of Sunny Days in May in Macau

The chart illustrates the percentage of sunny days in Macau 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 Macau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%57%38%38%30%12%32%15%44%35%63%48%
Data source: Macau May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Macau in May

In Macau, the arrival of May heralds a noticeable increase in daylight, with the sun gracing the skies for an impressive 13 hours. This marks a delightful transition from the earlier months, where January's daylight barely reached 10 hours. As February rolls in with 11 hours and March stretches to 12 hours, the days gradually lengthen, paving the way for the vibrant atmosphere of spring. April holds steady at 12 hours before May ushers in the pinnacle of daylight duration, which continues through June and July. This consistency reflects the region's warm, sun-drenched summer months, creating the perfect backdrop for outdoor activities. As autumn approaches in August, daylight begins to wane slightly, yet remains plentiful at 12 hours, before dipping back down to 11 hours in October and November. By the end of the year, the cycle returns to 10 hours in December, reminding us of the ebb and flow of daylight throughout the seasons in this enchanting locale.

Average Daylight Hours in Macau for May

The chart illustrates the variation in daylight duration in Macau throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 55m11h 23m12h 1m12h 39m13h 11m13h 27m13h 19m12h 51m12h 14m11h 36m11h 3m10h 47m
Data source: Macau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Macau

In Macau, May ushers in a gentle whisper of wind, with an average speed of 4.0 m/s (9 mph), setting the stage for warmer days ahead. As the months transition, there's a subtle increase in wind strength from the calmer winter months of January through April, where speeds hover around 3.4 to 4.1 m/s (8 to 9 mph). Notably, this moderate breeze carries on into June, maintaining that same invigorating pace. However, as summer peaks in July and August, winds begin to soften to 3.5 m/s (8 mph) and 3.3 m/s (7 mph), providing a welcome respite from the heat. As autumn approaches, October surprises with a noticeable uptick to 5.4 m/s (12 mph), a transition that indicates the arrival of robust fall winds. Overall, May serves as a pivotal month, balancing the tail end of spring's gentle breezes with the anticipation of summer's lightened gusts, creating a delightful atmosphere in this vibrant city.

Average May Wind Speed in Macau

The chart displays monthly wind speed patterns in Macau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.13.43.93.84.0 m/s4.13.53.32.65.44.24.6
Data source: Macau May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Macau Compares to Other Months

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

May and January present contrasting weather patterns. May boasts warmer temperatures, with a minimum of 17°C (63°F) and averages peaking at around 27°C (80°F), while January is significantly cooler, with minimum temperatures dropping to 7°C (44°F) and an average of 17°C (63°F). Precipitation also differs greatly; May experiences heavy rainfall, totaling 167 mm (6.6 in) over 19 days, whereas January sees minimal rain, accumulating only 17 mm (0.7 in) across just 2 days. Additionally, May's humidity averages a high 79%, compared to January's more comfortable 64%. For a closer look at January weather patterns, check out Macau weather in January.

When comparing the weather in May and February, it's clear that May is significantly warmer and more humid. In May, temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). In contrast, February offers much cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 25°C (78°F), averaging at 17°C (63°F). Additionally, May experiences more precipitation, totaling 167 mm (6.6 in) over 19 days, while February sees only 49 mm (1.9 in) over 6 days. The humidity in May is also higher at 79%, compared to 68% in February. For more details, you can check out Macau weather in February.

In comparing the weather between March and May, it's clear that May is significantly warmer and more humid. The average temperature in May reaches 27°C (80°F), with maximum highs of 33°C (92°F), whereas March has a milder average of 21°C (70°F) and tops out at 28°C (83°F). Additionally, May experiences a substantial increase in precipitation, with 167 mm (6.6 in) over 19 days compared to March's 62 mm (2.4 in) over just 11 days. This elevates the humidity level in May to 79%, slightly higher than March's 73%. For further details, you can check out Macau weather in March.

May generally experiences warmer weather compared to April, with average temperatures rising from 23°C (74°F) in April to 27°C (80°F) in May. While April enjoys a maximum of 30°C (86°F), May can reach highs of 33°C (92°F). Additionally, May is notably wetter, receiving 167 mm (6.6 in) of precipitation over 19 days, compared to April's 114 mm (4.5 in) over 13 days. The humidity also increases slightly from 71% in April to 79% in May. For more details, check out Macau weather in April.

May and June present a noticeable shift in weather conditions. In May, the temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F), with an average temperature of 27°C (80°F). This month experiences significant rainfall, totaling 167 mm (6.6 inches) over 19 days, accompanied by a high humidity level of 79%. In contrast, June warms up slightly, with temperatures ranging from a minimum of 24°C (76°F) to the same maximum of 33°C (92°F), and an average of 29°C (84°F). However, June sees an increase in precipitation, totaling 310 mm (12.2 inches) across 24 days, while humidity remains slightly lower at 77%. For a more detailed overview, check out Macau weather in June.

When comparing the weather in May and July, there are notable differences in temperature and precipitation. In May, temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). This month experiences significant rainfall, totaling 167 mm (6.6 in) over 19 days, coupled with a humidity level of 79%. In contrast, July sees higher temperatures, with a minimum of 26°C (78°F) and a maximum of 35°C (95°F), averaging 29°C (85°F). The rainfall in July increases to 238 mm (9.4 in) occurring over 24 days, and humidity rises to 88%. For a more detailed look at the weather conditions, you can check Macau weather in July.

In May, the weather tends to be warm with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 33°C (92°F), while the average humidity is around 79%. However, May also sees significant rainfall, with 167 mm (6.6 in) spread over 19 days. In contrast, August experiences even warmer temperatures, with a minimum of 26°C (79°F) and maximum reaching 36°C (97°F), accompanied by higher humidity at 88%. August is also notably wetter, with 396 mm (15.6 in) of precipitation occurring over 26 days. For more detailed information about the August climate, you can check Macau weather in August.

May and September both showcase warm weather, but they exhibit some notable differences. In May, temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). The month experiences significant precipitation, averaging 167 mm (6.6 in) over 19 days, and humidity levels sit at a high 79%. In contrast, September features slightly higher temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at the same maximum of 33°C (93°F). However, September sees even more rain, with a total of 233 mm (9.2 in) falling across 22 days, though humidity is slightly lower at 75%. For more details on September's climate, check out Macau weather in September.

May and October present distinct weather patterns, with May generally being warmer and more humid. In May, temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F) with an average of 27°C (80°F), while October's temperatures are slightly cooler, peaking at 33°C (91°F) and averaging 25°C (78°F). Precipitation is quite similar between the two months, with May receiving 167 mm (6.6 in) over 19 days and October slightly higher at 177 mm (7.0 in) but over just 11 days. Notably, October's humidity drops to 65% compared to May's 79%, making it feel less muggy. For more detailed insights, you can check Macau weather in October.

May weather is characterized by warmer temperatures, with averages reaching up to 27°C (80°F) and maximums soaring to 33°C (92°F). However, it also brings significant rainfall, averaging 167 mm (6.6 in) over 19 days, resulting in higher humidity levels at 79%. In contrast, November offers milder conditions, with average temperatures around 22°C (72°F) and maximums of 29°C (84°F). Rainfall drops dramatically to just 26 mm (1.0 in) over 5 days, contributing to a more comfortable humidity level of 64%. For more detailed insights, you can check Macau weather in November.

May and December in Macau present quite contrasting weather patterns. In May, temperatures range from a minimum of 17°C (63°F) to a maximum of 33°C (92°F), with an average of 27°C (80°F). The month is also characterized by high humidity at 79% and significant rainfall, averaging 167 mm (6.6 in) over 19 days. In contrast, December offers a cooler climate, with temperatures varying from a minimum of 9°C (48°F) to a maximum of 27°C (81°F) and an average of 18°C (64°F). Precipitation is much less frequent in December, with only 22 mm (0.8 in) falling across just 3 days, and the humidity is lower at 69%. For more detailed insights, you can check out Macau weather in December.

Compare Macau's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Macau

As May unfolds in Macau, the weather marks a distinct transition, ushering in warmer temperatures and higher humidity compared to the earlier months of the year. With maximums reaching 33°C (92°F), the city often feels lively and vibrant under the sun. However, the 79% humidity and 167 mm of precipitation over approximately 19 days remind residents and visitors alike that summer is on the horizon, bringing with it a different kind of tropical allure. While occasional rain may pose a minor inconvenience, the lush landscapes and thriving nature promise a unique charm during this month. For more insights on how May weather fits into the broader context of the region’s climate, visit Macau Climate.