May Weather in Rizal, Philippines

Last updated: August 27, 2025

In May, Rizal, Philippines experiences a tropical climate characterized by a maximum temperature reaching 34°C (93°F) and an average temperature of 25°C (78°F), providing a warm atmosphere ideal for outdoor activities. The minimum temperature hovers around 19°C (66°F), ensuring cooler evenings. However, prepare for significant precipitation, as the month typically receives 282 mm (11.1 in) of rain over 20 days, contributing to a humidity level of 77% that adds to the tropical feel. Visitors and residents alike can expect a month where the beauty of lush greenery meets the challenge of frequent rain showers.

May Temperature in Rizal

In May, Rizal, Philippines, experiences a noticeable shift in temperatures, marking a transition into the warmer months. With a minimum temperature of 19°C (66°F), the days begin to feel more tropical, while the average climbs to a comfortable 25°C (78°F). Those seeking warmth will appreciate the maximum temperature reaching 34°C (93°F), making it one of the hottest months of the year. This trend signals a gradual rise from the cooler early months, as May showcases increasing warmth, paving the way for a sizzling summer ahead. The welcoming warmth combined with the vibrant landscapes makes this month an enticing time to explore the beauty of Rizal.

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

The chart illustrates May temperature patterns in Rizal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rizal, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686972747879787777747370
Data source: Temperature data for Rizal 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 Rizal

May marks a significant turning point in Rizal, Philippines’ precipitation pattern, with the month receiving an impressive 282 mm (11.1 in) of rain over approximately 20 days. This surge in rainfall sets the stage for the onset of the wet season, outpacing the prior months in both volume and frequency. The data shows a clear upward trend in precipitation as the year progresses, transitioning from April's 167 mm to May's substantial amount, which is characteristic of the region’s warming climate and enhanced moisture buildup. As June approaches, residents can expect even heavier downpours, with July historically peaking at 331 mm (13.1 in), emphasizing the shift to rainier days ahead. This pattern not only underscores the importance of preparing for increased rainfall but also highlights the vibrant, lush landscapes that emerge from such abundant precipitation.

May Precipitation Trends in Rizal

The chart displays monthly precipitation patterns in Rizal, 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 Rizal, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec202198116167282211332302255260318453
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rizal

In May, Rizal, Philippines, experiences a humidity level of 77%, which marks a noticeable consistency with January's figures. As the transition from summer to the rainy season begins, the atmosphere starts to feel increasingly moist. The humidity remains relatively steady compared to the previous months, hovering around the mid-70s. However, as the region heads into June, a significant rise is on the horizon, with humidity levels surging to 85% and beyond in the following months. This shift reflects the onset of the wet season, heralding the lush greenery that will soon blanket the landscape.

May Average Humidity in Rizal

This chart illustrates the average monthly humidity levels in Rizal, 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 Rizal is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rizal

As the sun reaches its zenith in May, the UV Index in Rizal, Philippines remains high at 14, categorized as extreme. This month continues the trend of intense UV radiation seen from January to April, with consistent exposure times of just 10 minutes before skin damage occurs. Interestingly, while the UV Index dips slightly from April's peak of 15, it still signifies a need for diligent sun protection. Both June and July promise similar conditions, maintaining the heightened UV levels that have characterized the early half of the year. As you enjoy the sunny days, remember to stay protected and check out more details on the Rizal UV Index.

Maximum UV Index Levels in Rizal for May

The chart shows the monthly maximum UV Index (UVI) for Rizal 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 Rizal typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141415151413119
Data source: Rizal 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 Rizal

May in Rizal, Philippines, shines brightly with 310 hours of sunshine, making it the sunniest month of the year. As we look at the data, a clear trend emerges: as the year progresses from January to May, the hours of sunlight steadily increase, peaking in this month. Following that, there’s a gradual decline into the rainy season, with June dropping to 297 hours and further into July at 284 hours. This pattern not only highlights May’s position as a glorious time for outdoor activities but also marks a transition into a more temperate climate. With its warm sunshine, May encourages both residents and visitors to bask in the beauty of Rizal’s vibrant landscapes.

Monthly Sunshine Duration in Rizal: May Highlighted

The May sunshine duration represents the total number of hours Rizal 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h260h306h304h310h297h284h260h270h272h255h249h
Data source: Rizal May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rizal During May

As May unfolds in Rizal, Philippines, residents and visitors alike can bask in the notably increased likelihood of sunny weather, with a remarkable 62% chance of sunshine gracing the region. This substantial rise follows the relatively mild sun exposure of earlier months, where January and February offer just 7% and 15% respectively. The trend takes a positive turn in the spring months, where March and April show promising increases to 34% and 35%. However, it's in May that sun-seekers truly find their paradise, signaling the arrival of drier days before the rainy season. As June approaches, the chances of sunshine dwindle again, dropping to 18%, emphasizing how precious May’s sunny days are in Rizal's climate calendar.

Percentage of Sunny Days in May in Rizal

The chart illustrates the percentage of sunny days in Rizal 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 Rizal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%15%35%35%62%18%18%14%32%22%25%14%
Data source: Rizal May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rizal in May

In Rizal, Philippines, the duration of daylight showcases an intriguing progression throughout the year. Starting with a consistent 11 hours in January and February, the days gradually lengthen as March ushers in an additional hour of daylight. This trend continues with April and May maintaining 12 hours, reflecting the region's gradual transition towards the summer months. As the season reaches its peak, June and July present the longest days, providing 13 hours of sunlight. Subsequently, daylight begins to decrease again, with August and September returning to 12 hours, before tapering back to 11 hours by the end of the year in October, November, and December. This rhythm of light not only marks the passage of the seasons but also enriches the daily lives of those living in this vibrant area.

Average Daylight Hours in Rizal for May

The chart illustrates the variation in daylight duration in Rizal throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 32m12h 57m13h 9m13h 3m12h 41m12h 12m11h 42m11h 17m11h 4m
Data source: Rizal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rizal

In May, Rizal, Philippines, experiences a gentle breeze with an average wind speed of 1.5 m/s (3 mph), maintaining a consistent pattern seen in recent months. After a slight uptick in April, where winds reached 1.7 m/s, May reflects a modest retreat, aligning with the calmer conditions often associated with the transition towards the wetter months. This mild wind speed is typical of late spring in the region, creating a refreshing atmosphere ideal for outdoor activities and highlighting the tranquil charm of Rizal. As the season progresses, one can expect only a slight increase in wind speed in the following months, peaking just before the onset of the monsoon.

Average May Wind Speed in Rizal

The chart displays monthly wind speed patterns in Rizal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.51.51.71.5 m/s1.61.91.61.41.61.62.1
Data source: Rizal May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Rizal Compares to Other Months

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

May and January present distinctly different weather patterns. In May, temperatures soar, with a minimum of 19°C (66°F) and an average of 25°C (78°F), peaking at a sweltering 34°C (93°F). The month is marked by significant rainfall, totaling 282 mm (11.1 in) over 20 days, maintaining a high humidity level of 77%. In contrast, January offers milder conditions, with temperatures ranging from a minimum of 14°C (58°F) to an average of 20°C (69°F), reaching a maximum of 29°C (85°F). While still rainy, January receives less precipitation, totaling 202 mm (7.9 in) over 19 days, while retaining the same humidity of 77%. For more details on January weather, visit Rizal weather in January.

In comparing the weather between May and February, we observe notable differences in temperature and precipitation. May tends to be much warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), while February offers cooler conditions with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (83°F). Additionally, May experiences more rainfall, accumulating 282 mm (11.1 in) over about 20 days, compared to February's 198 mm (7.8 in) over 18 days. Humidity levels in May are slightly higher at 77%, while February maintains a comfortable 73%. For more detailed insights into February's climate, you can explore Rizal weather in February.

In comparing the weather between May and March, it becomes clear that May is significantly warmer and more humid. May experiences a minimum temperature of 19°C (66°F) and an average of 25°C (78°F), reaching a maximum of 34°C (93°F), while March sees slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 22°C (72°F), peaking at 31°C (88°F). Additionally, May has a much higher precipitation level of 282 mm (11.1 in) spread over 20 days, compared to March’s 116 mm (4.5 in) across 18 days. The humidity in May also stands at 77%, slightly higher than March's 71%. For more detailed information on March weather, you can visit Rizal weather in March.

In comparing the weather of April and May, it is evident that May is warmer and wetter. While April boasts average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (89°F), May's temperatures rise significantly, with a minimum of 19°C (66°F) and a maximum of 34°C (93°F). Additionally, May experiences increased precipitation, totaling 282 mm (11.1 in) over 20 days, compared to April's 167 mm (6.6 in) spread over 22 days. This results in a higher humidity level in May at 77%, compared to April's 73%. For more detailed information about April weather specifically, you can check out Rizal weather in April.

When comparing the weather in May and June, we see that both months share a similar maximum temperature of 34°C (93°F), with June being slightly warmer on average at 26°C (79°F) compared to May's 25°C (78°F). However, May is characterized by a higher minimum temperature of 19°C (66°F) compared to June's 20°C (69°F). Precipitation in May is significantly heavier, with 282 mm (11.1 in) over 20 days, while June sees less rain at 211 mm (8.3 in) over 24 days. Additionally, June experiences a higher average humidity at 85%, compared to May's 77%. For more detailed information, you can visit Rizal weather in June.

In comparing the weather between May and July, we see that both months share a similar average temperature of 25°C (78°F). However, May experiences slightly higher maximum temperatures, reaching up to 34°C (93°F), while July's max is slightly lower at 33°C (91°F). Precipitation is notably higher in July, with 331 mm (13.1 in) of rainfall over 27 days compared to May's 282 mm (11.1 in) over 20 days, indicating a wetter atmosphere in July. Additionally, humidity levels rise from 77% in May to 86% in July, contributing to a more sultry environment in the latter month. For more detailed insights, check out Rizal weather in July.

May and August present a contrast in weather characteristics despite their similar average temperatures. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). The month experiences significant rainfall, accumulating 282 mm (11.1 in) over 20 days, and humidity levels hover around 77%. In contrast, August sees slightly warmer temperatures, with a minimum of 20°C (69°F), an average of 25°C (78°F), and a maximum of 32°C (90°F). However, it experiences more rainfall, totaling 302 mm (11.9 in) over 27 days and higher humidity at 87%. For a closer look at August weather specifics, visit Rizal weather in August.

The weather in May and September exhibits some notable similarities and differences. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). The month also sees significant precipitation, totaling 282 mm (11.1 in) over approximately 20 days, accompanied by moderate humidity levels at 77%. In contrast, September presents slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 32°C (89°F), while maintaining a similar average of 25°C (77°F). However, September experiences a bit less rainfall, totalizing 255 mm (10.0 in) across about 24 days, and a higher humidity at 87%. For more detailed information about September weather, you can visit Rizal weather in September.

May and October present distinctly different weather patterns. In May, temperatures range from a mild 19°C (66°F) to a warm 34°C (93°F), with an average of 25°C (78°F), while October features slightly cooler temperatures, with a minimum of 17°C (63°F), an average of 23°C (75°F), and a maximum of 31°C (87°F). Both months experience significant rainfall, but May sees a higher total of 282 mm (11.1 in) over about 20 days, compared to October's 260 mm (10.2 in) over 26 days. Humidity levels also differ, with October being more humid at 86%, compared to May's 77%. For a detailed look at October weather, check out Rizal weather in October.

May and November present distinct weather patterns, characterized by different temperature ranges and levels of precipitation. In May, temperatures typically range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). The month sees considerable rainfall, with 282 mm (11.1 in) of precipitation spread over 20 days, coupled with a humidity of 77%. In contrast, November brings slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 30°C (86°F), averaging 23°C (73°F). Additionally, November is wetter, recording 318 mm (12.5 in) of precipitation over 22 days and higher humidity at 89%. For more insights, you can check Rizal weather in November.

May and December exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 34°C (93°F), with an average of 25°C (78°F). The month brings significant rainfall, totaling 282 mm (11.1 in) over 20 days, and humidity levels hover around 77%. Conversely, December experiences cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 29°C (84°F), averaging at 21°C (70°F). Notably, December sees higher precipitation, measuring 453 mm (17.8 in) over 26 days, and slightly increased humidity at 85%. For more insight into December's conditions, check out Rizal weather in December.

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Conclusion: What to Expect From May Weather in Rizal

As May unfolds in Rizal, it often delivers a striking contrast to the preceding months, with temperatures reaching a peak at 34°C (93°F), creating a warm yet inviting atmosphere. The average temperature hovers around 25°C (78°F), making it one of the warmest months of the year. Notably, the high humidity levels at 77% contribute to a lush, tropical feel, while the increased precipitation of 282 mm over 20 days adds a refreshing burst to the environment—ideal for vibrant flora. So, if you're planning a visit during this lively month, embrace the warm showers and lush greenery that set May apart from the drier, cooler months. For more detailed insights, explore Rizal Climate.