Climate averages 1991–2020
Olongapo weather
in August.
A hot, very wet month: the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Olongapo: daytime highs average 28.6°C and nights cool to about 25.1°C. By daytime temperature it is the coolest month of the year.
Expect about 565 mm of rain on roughly 29 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average August day.
The nearest other city in this atlas is Balanga (32 km away). In August its highs average 28.8°C, about as warm as Olongapo, with 421 mm of rain.
Among the 151 cities listed in the Philippines, Olongapo ranks joint 117th of 151 for the warmest August highs and 146th of 151 for the driest August (rainfall, lowest first). The mean August high of those 151 cities is 29.0°C; Olongapo is 0.4°C cooler than that mean.
From August to September, average highs rise by 0.2°C to 28.9°C, and monthly rainfall falls from 565 mm to 436 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Olongapo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C23.0°C | 23.0°C | 18 | 2.6 | 11.411 h |
| February | 29.7°C23.0°C | 23.0°C | 19 | 2.8 | 11.612 h |
| March | 31.1°C23.9°C | 23.9°C | 23 | 3.8 | 12.012 h |
| April | 32.4°C25.3°C | 25.3°C | 27 | 5.5 | 12.512 h |
| May | 31.6°C26.0°C | 26.0°C | 185 | 18.9 | 12.813 h |
| June | 30.0°C25.6°C | 25.6°C | 361 | 25.7 | 13.013 h |
| July | 29.0°C25.2°C | 25.2°C | 571 | 29.5 | 12.913 h |
| August, selected | 28.6°C25.1°C | 25.1°C | 565 | 29.4 | 12.613 h |
| September | 28.9°C25.0°C | 25.0°C | 436 | 27.7 | 12.212 h |
| October | 29.5°C24.8°C | 24.8°C | 225 | 20.3 | 11.812 h |
| November | 29.6°C24.7°C | 24.7°C | 86 | 9.3 | 11.511 h |
| December | 28.9°C24.0°C | 24.0°C | 67 | 6.6 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Balanga in AugustPhilippines · 32 kmHigh 28.8°C · Low 25.8°C · 421 mm rain
- Limay in AugustPhilippines · 45 kmHigh 28.2°C · Low 25.6°C · 501 mm rain
- Angeles City in AugustPhilippines · 48 kmHigh 29.2°C · Low 24.0°C · 310 mm rain
- San Fernando in AugustPhilippines · 49 kmHigh 29.2°C · Low 24.6°C · 284 mm rain
- Mariveles in AugustPhilippines · 49 kmHigh 28.4°C · Low 26.2°C · 501 mm rain
- Bulaon in AugustPhilippines · 50 kmHigh 29.3°C · Low 24.3°C · 284 mm rain
- Apalit in AugustPhilippines · 54 kmHigh 28.9°C · Low 24.2°C · 284 mm rain
- Malolos in AugustPhilippines · 57 kmHigh 28.8°C · Low 24.7°C · 337 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Olongapo) is explained once on the Olongapo year overview and on the Sources, method and limits page.