May remains hot with rising humidity; afternoon showers become more common in some regions as the southwest monsoon approaches. This month is a shoulder period before the main monsoon, with increasing domestic travel for holidays.
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Philippines in May.
Ilocos, Cagayan Valley, Cordillera
The southwest monsoon (Habagat) usually edges in by May, turning afternoons in Northern Luzon into heavy, irregular downpours and thunderstorms. Waterfalls around Banaue and Sagada begin to regain flow but trails become churned and muddy; some remote jeepney runs can be disrupted after strong storms. Heat earlier in the month means wet, humid air; pack quick-dry clothes and be prepared for sudden cancellations on mountain treks.
Manila, Clark, Subic, Pampanga
The southwest monsoon usually arrives in May, bringing more frequent and heavier afternoon thunderstorms to Metro Manila and Central Luzon; sudden squalls can flood parts of the metropolis. Clark and Angeles see intense short downpours that may delay flights and ground transportation, while Subic Bay can become choppier for small boat trips. For travel, plan flexible city schedules and be prepared for wet shoes and disrupted road journeys.
Laguna, Quezon, Batangas, Albay, Sorsogon
May signals the onset of the southwest monsoon (Habagat) with increasing afternoon thunderstorms and rougher seas between the islands, particularly from mid-month. Ferry operators between Matnog and Samar can become cautious and schedules may shift-check before traveling. Waterfall season ramps up in the hills, which is spectacular but trails will get muddy; waterproof footwear and flexible itineraries are recommended.
Palawan, Mindoro, Romblon, Marinduque
May often marks the start of rougher seas as the southwest monsoon builds; afternoon squalls and choppier water appear more frequently between islands and can disrupt longer island-hopping circuits. Some dive sites remain accessible on calmer days but operators will cancel when the swell is high. Travelers planning inter-island transfers should allow extra time and consider flexible tickets during this transitional month.
Western, Central, Eastern - Panay, Negros, Cebu, Bohol, Leyte, Samar
May often marks the arrival of stronger southwestern winds and the start of more frequent afternoon storms in the Visayas; sailing conditions change and some island-hopping legs become bumpier. The onset of the Habagat increases the chance of cancelled ferries between smaller islands such as those around Romblon or western Negros. On good days, waterfalls across Negros and Panay are beginning to replenish and look dramatic.
Davao, Cagayan de Oro, Zamboanga, Bukidnon
May brings more convective showers and increasing humidity, especially in eastern and northern Mindanao, but overall the island group remains less affected by the main monsoon swings that hit Luzon and the Visayas. Sea conditions can become choppier for vessels crossing the Sulu Sea between Zamboanga and Tawi-Tawi. Travelers should check local forecasts for short-notice storms but can generally keep outdoor plans.
A famous harvest festival with decorated houses and street displays in Quezon province.
See how May compares with the rest of the year, then read the full guide.