Isabel climate by month
What the weather is like
Isabel has a tropical rainforest climate (Köppen Af): .
The warmest month is May, when afternoons average 30° and nights 26°. January is the coolest month, with highs of 28° and lows of 25°. The difference between the warmest and the coolest month is about 2°, a small seasonal swing typical of places tempered by the sea.
About 2,153 mm of precipitation falls in an average year. December is the wettest month (204 mm, 30 wet days) and April the driest (65 mm, 21 wet days). Cloud cover ranges from 28% in April to 67% in July.
The sea reaches about 30° in June. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Manila, the capital, Isabel is 2.3° cooler on a May afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 30° · May
- Coldest nights
- 24° · February
- Wettest month
- December
- Driest month
- April
- Clearest skies
- April · 28% cloud
- Warmest sea
- 30° · June
- Longest day
- 12 h 46 min
- Shortest day
- 11 h 29 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 28° | 28° | 29° | 30° | 30° | 29° | 29° | 29° | 29° | 28° | 28° | 28° |
| Average low | 25° | 24° | 25° | 26° | 26° | 26° | 26° | 26° | 26° | 26° | 26° | 25° |
| Precipitation | 155 mm | 128 mm | 92 mm | 65 mm | 112 mm | 190 mm | 242 mm | 222 mm | 281 mm | 244 mm | 218 mm | 204 mm |
| Wet days (≥1 mm) | 28.5 | 24.5 | 24 | 21.2 | 24.7 | 26.7 | 25.5 | 24 | 25.7 | 28.7 | 28.5 | 29.8 |
| Cloud cover | 43% | 38% | 30% | 28% | 44% | 61% | 67% | 66% | 64% | 57% | 50% | 45% |
| Sea temperature | 28° | 27° | 28° | 29° | 30° | 30° | 30° | 30° | 30° | 30° | 29° | 28° |
| Daylight | 11h 33 | 11h 47 | 12h 03 | 12h 22 | 12h 37 | 12h 46 | 12h 42 | 12h 29 | 12h 12 | 11h 54 | 11h 38 | 11h 29 |
| Month score | 51 | 51 | 52 | 48 | 41 | 36 | 36 | 36 | 38 | 41 | 44 | 49 |