UTC Offset
UTC+08:00
Siay, Philippines Snapshot 2026
Where is Siay?
Siay, Philippines
- Continent
- Asia
- Country
- Philippines
- City
- Siay
- Population
- 2.4K
- Coordinates
- 7.70°, 122.86°
Siay is a city in Philippines with a population of approximately 2.4K. Average temperatures range from 25°C (77°F) in January to 30°C (86°F) in March. The best time to visit is February.
Time in Siay right now
Open full time & time zone page 15:01 01
Thursday, June 18, 2026
IANA time zone
Asia/Manila
Daylight saving
No DST
Next DST change
—
Live weather in Siay
Daylight in Siay today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 34m
Climate normals for Siay
Long-term monthly averages based on historical data.
January
Wet 
February best
Poor March
Poor April
Wet May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 30°C / 25°C | 36°C / 29°C | 18days (156 mm) Wet | 9.1h Good | 83% Humid | 7.5 Very High | Wet | View Details |
| February best | 30°C / 25°C | 36°C / 29°C | 14days (106 mm) Wet | 10.1h Excellent | 80% Humid | 7.9 Very High | Poor | View Details |
| March | 30°C / 25°C | 37°C / 30°C | 17days (140 mm) Wet | 10.5h Excellent | 82% Humid | 8.8 Very High | Poor | View Details |
| April | 30°C / 25°C | 37°C / 31°C | 22days (159 mm) Wet | 10.5h Excellent | 84% Humid | 8.9 Very High | Wet | View Details |
| May | 30°C / 25°C | 37°C / 31°C | 28days (248 mm) Wet | 9.3h Good | 87% Very Muggy | 8.1 Very High | Wet | View Details |
| June | 29°C / 25°C | 35°C / 30°C | 28days (318 mm) Wet | 8.7h Good | 88% Very Muggy | 7.5 Very High | Wet | View Details |
| July | 29°C / 25°C | 35°C / 30°C | 28days (304 mm) Wet | 8.6h Good | 88% Very Muggy | 7.5 Very High | Wet | View Details |
| August | 29°C / 25°C | 35°C / 30°C | 28days (252 mm) Wet | 9.3h Good | 88% Very Muggy | 8.2 Very High | Wet | View Details |
| September | 29°C / 25°C | 35°C / 30°C | 26days (292 mm) Wet | 8.8h Good | 87% Very Muggy | 8.4 Very High | Wet | View Details |
| October | 29°C / 25°C | 36°C / 30°C | 29days (293 mm) Wet | 8.5h Good | 87% Very Muggy | 8.3 Very High | Wet | View Details |
| November | 30°C / 25°C | 36°C / 30°C | 26days (214 mm) Wet | 9.5h Good | 86% Very Muggy | 7.6 Very High | Wet | View Details |
| December | 30°C / 25°C | 36°C / 30°C | 24days (180 mm) Wet | 9.4h Good | 85% Humid | 7.2 Very High | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 30°C / 25°C . Feb: 30°C / 25°C . Mar: 30°C / 25°C . Apr: 30°C / 25°C . May: 30°C / 25°C . Jun: 29°C / 25°C . Jul: 29°C / 25°C . Aug: 29°C / 25°C . Sep: 29°C / 25°C . Oct: 29°C / 25°C . Nov: 30°C / 25°C . Dec: 30°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 156 mm. Feb: 106 mm. Mar: 140 mm. Apr: 159 mm. May: 248 mm. Jun: 318 mm. Jul: 304 mm. Aug: 252 mm. Sep: 292 mm. Oct: 293 mm. Nov: 214 mm. Dec: 180 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 80%. Mar: 82%. Apr: 84%. May: 87%. Jun: 88%. Jul: 88%. Aug: 88%. Sep: 87%. Oct: 87%. Nov: 86%. Dec: 85%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 11 km/h . Apr: 10 km/h . May: 10 km/h . Jun: 11 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 12 km/h . Oct: 11 km/h . Nov: 10 km/h . Dec: 11 km/h .
Sea Temperature
Sea Temperature
Line chart showing monthly sea temperature. Jan: 30°C . Feb: 30°C . Mar: 30°C . Apr: 31°C . May: 31°C . Jun: 30°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 30°C . Nov: 30°C . Dec: 30°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 8. Oct: UV 8. Nov: UV 8. Dec: UV 7.
Frequently Asked Questions
Siay has a population of approximately 2.4K.
The best months to visit Siay are February, when temperatures are pleasant and rainfall is lower.
Siay receives approximately 2662mm of rainfall annually across 288 rainy days.
Siay is located in Philippines, in the Asia region.