Photo: Amandogallaza · CC BY-SA 3.0 · Wikimedia Commons
IsabelaReport this photo · linked, not stored
IsabelaReport this photo · linked, not stored
Climate guideThirty-year normals for Isabela, Western Visayas
Isabela climate by month
Tropical monsoon · AmBest Jan–Mar
Annual mean27°day and night
Seasonal swing3°warmest vs coolest
Precipitation1,938 mm261 wet days a year
10.20° N, 122.99° EElevation 30 mUTC+8 · Philippine Standard Time
When to goIsabela · weather score
Best timeJan–Mar
October: high / low29° / 24°
iSummary
What the weather is like
Isabela has a tropical monsoon climate (Köppen Am): .
The warmest month is April, when afternoons average 32° and nights 25°. January is the coolest month, with highs of 29° and lows of 23°. The difference between the warmest and the coolest month is about 3°, a small seasonal swing typical of places tempered by the sea.
About 1,938 mm of precipitation falls in an average year. October is the wettest month (253 mm, 29 wet days) and March the driest (44 mm, 11 wet days). Cloud cover ranges from 30% in April to 67% in July.
Compared with Manila, the capital, Isabela is 0.1° cooler on a April afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 32° · April
- Coldest nights
- 23° · January
- Wettest month
- October
- Driest month
- March
- Clearest skies
- April · 30% cloud
- Longest day
- 12 h 43 min
- Shortest day
- 11 h 32 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 29° | 30° | 31° | 32° | 32° | 30° | 29° | 29° | 29° | 29° | 30° | 29° |
| Average low | 23° | 23° | 24° | 25° | 25° | 25° | 24° | 24° | 24° | 24° | 24° | 24° |
| Precipitation | 64 mm | 46 mm | 44 mm | 71 mm | 153 mm | 231 mm | 262 mm | 274 mm | 256 mm | 253 mm | 176 mm | 108 mm |
| Wet days (≥1 mm) | 18.8 | 17.8 | 10.5 | 10.7 | 20.5 | 27 | 27.8 | 24.3 | 25.3 | 28.8 | 24.3 | 25.3 |
| Cloud cover | 43% | 38% | 31% | 30% | 48% | 64% | 67% | 66% | 65% | 60% | 51% | 45% |
| Daylight | 11h 35 | 11h 48 | 12h 03 | 12h 21 | 12h 35 | 12h 43 | 12h 40 | 12h 28 | 12h 11 | 11h 55 | 11h 40 | 11h 32 |
| Month score | 45 | 44 | 49 | 44 | 31 | 31 | 34 | 34 | 34 | 36 | 39 | 44 |
ivMonth by month
Isabela in every month
January45
29° / 23°
64 mm · 18.8 wet days
February44
30° / 23°
46 mm · 17.8 wet days
March49
31° / 24°
44 mm · 10.5 wet days
April44
32° / 25°
71 mm · 10.7 wet days
May31
32° / 25°
153 mm · 20.5 wet days
June31
30° / 25°
231 mm · 27 wet days
July34
29° / 24°
262 mm · 27.8 wet days
August34
29° / 24°
274 mm · 24.3 wet days
September34
29° / 24°
256 mm · 25.3 wet days
October36
29° / 24°
253 mm · 28.8 wet days
November39
30° / 24°
176 mm · 24.3 wet days
December44
29° / 24°
108 mm · 25.3 wet days