Calasiao Climate by Month
Calasiao, Ilocos, Philippines
Hot all year, with a rainy season from June to September.
Calasiao is hot all year, with a rainy season from June to September. April is the warmest month, with highs around 95°F (35°C); August is the coolest at 89°F (32°C), and nights dip to 71°F (22°C). Of the 108 in (2731 mm) of rain in a typical year, 73% falls from June to September.
- Warmest month
- 95°F(35°C)
- Average high, April
- Coldest nights
- 71°F(22°C)
- Average low, January
- Rain per year
- 108 in(2731 mm)
- Wettest: August
- Humidity
- 72%
- Sunniest: April
Best and worst months in Calasiao
Best for weatherThe most comfortable weather comes from December to February, with highs around 89°F (32°C) and about 0.8 in (21 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; August is the wettest, with 25 in (635 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in January.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Calasiao weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 89°F(32°C) | 71°F(22°C) | 0.5 in(13 mm) | 68% | 4.5 |
| FebFebruaryBest | 90°F(32°C) | 72°F(22°C) | 0.6 in(16 mm) | 70% | 5.0 |
| MarMarch | 93°F(34°C) | 74°F(23°C) | 1.3 in(33 mm) | 67% | 5.6 |
| AprApril | 95°F(35°C) | 76°F(25°C) | 2.8 in(71 mm) | 67% | 6.1 |
| MayMay | 94°F(35°C) | 77°F(25°C) | 11 in(267 mm) | 70% | 5.5 |
| JunJune | 92°F(34°C) | 76°F(25°C) | 13 in(336 mm) | 74% | 5.0 |
| JulJuly | 90°F(32°C) | 76°F(24°C) | 23 in(592 mm) | 76% | 4.7 |
| AugAugust | 89°F(32°C) | 76°F(24°C) | 25 in(635 mm) | 77% | 4.5 |
| SepSeptember | 90°F(32°C) | 76°F(24°C) | 17 in(435 mm) | 76% | 4.4 |
| OctOctober | 90°F(32°C) | 75°F(24°C) | 8.6 in(218 mm) | 76% | 4.7 |
| NovNovember | 91°F(33°C) | 74°F(24°C) | 3.1 in(80 mm) | 74% | 4.3 |
| DecDecemberBest | 89°F(32°C) | 73°F(23°C) | 1.4 in(35 mm) | 72% | 4.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate outside the Philippines
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