Zamboanga is warmest in May, averaging 30° by day and 27° at night. The wettest month is October with 226 mm, and the year brings about 1787 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 29° | 26° | 127 mm | 28° | 11.6 h | Mild |
| February | 29° | 26° | 92 mm | 28° | 11.8 h | Beach weather |
| March | 29° | 26° | 84 mm | 29° | 12.0 h | Beach weather |
| April | 30° | 27° | 144 mm | 29° | 12.2 h | Mild |
| May | 30° | 27° | 130 mm | 29° | 12.3 h | Mild |
| June | 29° | 27° | 168 mm | 30° | 12.4 h | Mild |
| July | 28° | 27° | 198 mm | 29° | 12.4 h | Rainy season |
| August | 29° | 27° | 164 mm | 29° | 12.2 h | Mild |
| September | 29° | 27° | 180 mm | 29° | 12.0 h | Rainy season |
| October | 29° | 27° | 226 mm | 29° | 11.8 h | Rainy season |
| November | 29° | 27° | 138 mm | 29° | 11.7 h | Mild |
| December | 29° | 27° | 136 mm | 29° | 11.6 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: February and March — highs around 29°, nights no colder than 26°, and at most 92 mm of rain in a month. The sea sits at 28–29° then.
Wet season: July, September and October — up to 226 mm in a single month.