May Weather in Rizal, Philippines

Last updated: August 27, 2025

In Rizal, Philippines, the weather in May offers a warm tropical atmosphere, characterized by a maximum temperature reaching 32°C (90°F) and a comfortable average of 28°C (83°F). Although the temperatures provide plenty of sunshine, residents and visitors should prepare for wet conditions, with an average precipitation of 106 mm (4.2 in) spread across 20 days, making it one of the rainiest months of the year. The humidity level hovers around a sultry 76%, adding to the tropical feel. Whether enjoying sun-drenched mornings or refreshing afternoon showers, May in Rizal presents a vibrant blend of warmth and moisture.

May Temperature in Rizal

In Rizal, Philippines, May brings a noticeable warmth, with temperatures reflecting the transition into the height of the dry season. This month typically experiences a minimum of 25°C (77°F) and an average of 28°C (83°F), peaking at 32°C (90°F). Compared to the preceding months, May's warmth is marked by an increase in both minimum and maximum values, indicative of the approaching summer. The shift from April, with its lush warmth, to May's heat is subtle but distinct, making it an ideal time for outdoor activities, although it's wise to stay hydrated and seek shade during the hottest hours. Overall, May lays the groundwork for the sweltering months ahead while still offering plenty of comfortable days.

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).
JanFebMarAprMayJunJulAugSepOctNovDec797981828281797979808180
Data source: Temperature data for Rizal 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 Rizal

In May, Rizal, Philippines experiences a significant uptick in precipitation, gathering 106 mm (4.2 in) of rainfall over 20 days. This sharp increase follows the relatively moderate rainfall of April, where only 59 mm (2.3 in) fell across 11 days. As the region transitions into June, the rainfall skyrockets, with June averaging 338 mm (13.3 in), marking the beginning of the wet season. The pattern of increasing precipitation during these preceding months highlights May as a pivotal month, bridging the gap between the drier summer and the onset of torrential rains typical of the monsoon season. This trend underscores the importance of May in preparing for the heavy downpours that dominate the following months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec58405459106338661516498457186196
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Rizal

In May, the humidity in Rizal, Philippines, hovers around a comfortable 76%, mirroring April's levels. As the rainy season approaches, residents can expect a gradual increase in moisture, which will soon culminate in the summer months ahead. This slight fluctuation is part of a broader trend where humidity begins to rise noticeably in June, peaking at 84% in July and August. Such seasonal variations highlight Rizal's tropical climate, offering a preview of the wetter months on the horizon while maintaining a relatively pleasant atmosphere in May.

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.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%74%76%76%81%84%85%86%82%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rizal

In May, Rizal, Philippines, experiences a notably high UV Index of 14, categorized as extreme, which means you could get sunburnt in just 10 minutes of unprotected sun exposure. This month follows a remarkable climb of UV levels from January's 12, peaking with April's 16, showcasing a trend of heightened sun intensity as summer approaches. Even as temperatures begin to stabilize, the UV radiation remains consistently perilous, holding its ground at 14 into June and July. This emphasizes the importance of sun safety during the early summer months. For more detailed information, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec121315161414141515131111
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

In Rizal, Philippines, the month of May shines brightly, delivering an impressive 323 hours of sunshine, the highest of the year. This delightful surge in sunlight continues the upward trend established in the preceding months, with March and April bringing 315 and 313 hours, respectively. The consistent increase from January through May reveals the region's transition into its sunnier season, making it an ideal time for outdoor activities and enjoying the vibrant landscapes. While the sunshine hours dip slightly in June with 289 hours, the overall trend demonstrates a clear pattern of increasing brightness, providing ample opportunities for both locals and visitors to bask in the warmth of the Philippine sun.

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.
JanFebMarAprMayJunJulAugSepOctNovDec238h277h315h313h323h289h255h271h255h268h279h283h
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 approaches in Rizal, Philippines, the likelihood of enjoying sunny weather stands at 38%, offering a pleasant respite from the cloudier months of the rainy season. This represents a slight dip from April's 41%, but still keeps May among the more promising months for sunshine. The trend reveals that following the relative brightness of March, which boasts a 48% chance of sun, the conditions gradually decline as the onset of the rainy season looms in June, with only a 19% chance of sun. Thus, while May may not guarantee perfect weather, it still holds significant potential for sunny days, making it an attractive time for outdoor activities before the rains set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec26%31%48%41%38%19%7%10%10%9%29%31%
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 daylight duration experiences subtle shifts throughout the year, reflecting the natural rhythm of the seasons. Starting the year, January and February enjoy a consistent 11 hours of daylight, setting a gentle tone for the months ahead. As the days grow longer in March and April, daylight extends to 12 hours, hinting at the approaching summer. This trend continues through May, signaling a peak of daylight that is matched by the following months of June, July, August, and September, where an unwavering 12 hours of sunlight prevails. However, as the year draws to a close, October reverts to 11 hours, followed by November and December, completing a cycle that brings a comforting familiarity to the rhythms of life in Rizal.

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 28m11h 43m12h 3m12h 23m12h 41m12h 49m12h 45m12h 30m12h 10m11h 50m11h 32m11h 23m
Data source: Rizal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rizal

In May, the winds in Rizal, Philippines continue the trend of gentle breezes experienced in the preceding months, with an average wind speed of 2.6 m/s (6 mph), mirroring April's conditions. As the region transitions toward the rainy season, these mild winds create a pleasant atmosphere, contributing to outdoor activities and community gatherings. Notably, this period marks a dip compared to the more robust gusts of July, where the average spikes to 4.0 m/s (9 mph). While summer months typically see a slight fluctuation, the overall steadiness in wind speed during May complements the lush surroundings, making it an ideal time for exploring the picturesque landscapes that Rizal has to offer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.22.12.72.6 m/s2.24.02.42.62.52.12.6
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.

In May, the weather is generally hotter and more humid compared to January, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F). In contrast, January sees slightly cooler temperatures, with averages from a minimum of 23°C (73°F) to a maximum of 30°C (86°F). Additionally, May experiences significantly more rainfall, totaling 106 mm (4.2 in) over approximately 20 days, while January has only 58 mm (2.3 in) of precipitation over about 10 days. Consequently, despite being only a few degrees apart in temperature, May's weather can feel more oppressive due to its higher humidity of 76%, compared to January's 78%. For more details on January weather, you can check out Rizal weather in January.

When comparing the weather in May and February, it's clear that May tends to be warmer and wetter. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). The month also sees significant rainfall, accumulating to 106 mm (4.2 in) over approximately 20 days, resulting in a humidity level of 76%. In contrast, February features milder temperatures, with a minimum of 22°C (72°F) and a maximum of 30°C (86°F), averaging around 26°C (79°F). Precipitation is notably lower in February, at 39 mm (1.6 in) over just 7 days, and the humidity is slightly less at 75%. For more detailed information on February weather, visit Rizal weather in February.

In comparing the weather of May and March, May tends to be warmer with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), averaging around 28°C (83°F). In contrast, March has slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), averaging 27°C (81°F). Additionally, May experiences significantly more rainfall, with 106 mm (4.2 in) over 20 days, compared to March's 54 mm (2.1 in) over just 9 days. Humidity levels are relatively similar, with May at 76% and March at 74%. For a more detailed look at the weather in March, visit Rizal weather in March.

In comparing the weather of April and May, both months exhibit similar temperature ranges, with April showing a minimum temperature of 24°C (75°F) and a maximum of 32°C (89°F), while May has a slightly warmer minimum of 25°C (77°F) and the same maximum. The average temperature remains consistent at 28°C (82°F) for both months. However, there is a notable difference in precipitation; May experiences significantly more rainfall, totaling 106 mm (4.2 in) over 20 days compared to April's 59 mm (2.3 in) over just 11 days. Despite the increased rainfall in May, humidity levels remain constant at 76% for both months. For more detailed information about April weather, you can visit Rizal weather in April.

In comparing the weather between May and June, both months experience similar temperature ranges, with June having a slightly lower average temperature of 27°C (81°F) compared to May's 28°C (83°F). The maximum temperatures remain consistent at 32°C (89°F) in June and May. However, June sees a substantial increase in precipitation, totaling 338 mm (13.3 in) over 23 days, contrasting with May's 106 mm (4.2 in) over 20 days. Additionally, June is characterized by higher humidity levels at 81%, compared to May's 76%. For more details, you can check this link: Rizal weather in June.

May and July exhibit significant differences in weather patterns. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). The month sees approximately 106 mm (4.2 in) of precipitation over 20 days, accompanied by a humidity level of 76%. In contrast, July experiences cooler temperatures, with a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 30°C (87°F). However, it is much wetter, receiving a staggering 661 mm (26.0 in) of rain across 30 days and higher humidity at 84%. For those interested in more details, check out Rizal weather in July.

May in Rizal is characterized by warmer temperatures, with minimums around 25°C (77°F) and averages peaking at 28°C (83°F), while the maximum temperature can reach up to 32°C (90°F). Despite this warmth, it experiences a moderate level of precipitation at 106 mm (4.2 inches) over approximately 20 days, coupled with a humidity of 76%. In contrast, August brings cooler temperatures, with minimums of 23°C (75°F) and an average of 26°C (80°F), but sees a significant increase in rainfall to 516 mm (20.3 inches) over 28 days, along with heightened humidity at 85%. This stark difference reflects a transition from the relatively drier and hotter conditions of May to the wetter and more humid environment of August. For more details, you can check out Rizal weather in August.

May experiences warmer temperatures with a minimum of 25°C (77°F) and an average high of 32°C (90°F), while September is slightly cooler, with temperatures ranging from 24°C (75°F) to a maximum of 30°C (85°F). However, September is characterized by significantly higher precipitation, totaling 498 mm (19.6 in) over 27 days, compared to May's 106 mm (4.2 in) across 20 days. Furthermore, September tends to have a higher humidity level, averaging around 85% compared to May's 76%. For more detailed insights on September weather, you can visit Rizal weather in September.

May and October present distinct weather characteristics, showcasing the transition of seasons. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). This month experiences moderate precipitation of 106 mm (4.2 in) over about 20 days, along with a humidity level of 76%. Conversely, October sees slightly cooler temperatures with a minimum of 24°C (76°F) and a maximum of 31°C (87°F), averaging 27°C (80°F). However, it is marked by significantly higher precipitation, measuring 457 mm (18.0 in) over 28 days, and a higher humidity of 82%. For a more detailed look at October weather, visit Rizal weather in October.

May and November exhibit relatively similar temperatures, with May boasting a slightly higher average temperature of 28°C (83°F) compared to November's 27°C (81°F). However, November tends to experience more rain, with precipitation measuring 185 mm (7.3 in) over 16 days, whereas May sees 106 mm (4.2 in) of rain across 20 days. Additionally, humidity levels are higher in November at 85%, compared to May's 76%. For more detailed information on the weather in November, you can visit Rizal weather in November.

May and December offer distinct weather experiences, with May typically featuring warmer temperatures. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). The month experiences considerable rainfall, totaling 106 mm (4.2 in) over approximately 20 days, coupled with a humidity level of 76%.

In contrast, December presents slightly cooler temperatures, ranging from 23°C (74°F) to 30°C (86°F), with an average of 27°C (80°F). The precipitation increases significantly during this month, reaching 196 mm (7.7 in) across 16 days, and humidity rises to 86%. Overall, December is a wetter month, while May is generally warmer. For more specifics on December weather, you can check Rizal weather in December.

Compare Rizal's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Rizal

As May unfolds, Rizal transforms into a warm and humid haven, with temperatures reaching a maximum of 32°C (90°F) and an average of 28°C (83°F), offering a striking contrast to the cooler months. While mornings may start with a comforting warmth, the afternoons bring a notable increase in heat, prompting residents and visitors alike to seek refuge in the shade. With 20 days of precipitation totaling about 106 mm (4.2 in), May is one of the wetter months, accompanied by a humidity level of 76% that accentuates the tropical atmosphere. This blend of warmth and frequent rain creates lush landscapes and a vibrant outdoor experience, making it a defining month for Rizal's climate. For more insights on weather trends, visit Rizal Climate.