Ilocos Sur, Philippines Weather
- Ilocos Sur, Philippines Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Ilocos Sur over the next 12 hours
- Temperature and possibility of rain in Ilocos Sur in the coming days
- Rainfall in Ilocos Sur in the coming days
- Ilocos Sur Weather Summary
- Weather averages by month
- Ilocos Sur's weather
- Frequently asked questions
- Comments
Current conditions
Updated:
Clear Sky
19°C
°C
°F
Condition: Clear Sky
Pressure: 987 hPa
Feel like: 20 °C
Temperature: 19°C
Cloud: 17%
Humidity: 88%
Wind: ESE - 8 km/h
Visibility: 2.0 km
Sat
07 Nov
20°C / 31°C
Moderate Drizzle
Sun
08 Nov
21°C / 30°C
Moderate Drizzle
Mon
09 Nov
20°C / 30°C
Partly Cloudy
Tue
10 Nov
18°C / 30°C
Overcast
Wed
11 Nov
19°C / 30°C
Partly Cloudy
Hourly forecast today:
21:00 PM
17° / 19°
17° / 19°
Clear Sky
88%
17 km/h
22:00 PM
17° / 19°
17° / 19°
Fog
87%
18 km/h
23:00 PM
18° / 21°
18° / 21°
Fog
83%
19 km/h
00:00 AM
20° / 25°
20° / 25°
Clear Sky
74%
19 km/h
01:00 AM
20° / 28°
20° / 28°
Clear Sky
62%
15 km/h
02:00 AM
19° / 29°
19° / 29°
Clear Sky
55%
16 km/h
03:00 AM
18° / 30°
18° / 30°
Clear Sky
50%
21 km/h
04:00 AM
19° / 31°
19° / 31°
Partly Cloudy
49%
21 km/h
05:00 AM
21° / 30°
21° / 30°
Partly Cloudy
61%
26 km/h
06:00 AM
23° / 28°
23° / 28°
Drizzle
74%
27 km/h
07:00 AM
22° / 27°
22° / 27°
Drizzle
76%
27 km/h
30 Day Averages and Extremes
- Average high 29.6°C
- Average low 19.77°C
- Hottest day 32°C (27 October 2026)
- Coldest day 18°C (05 November 2026)
- Average humidity 83.57%
- Days with precipitation 23 days
- Highest precipitation 83 mm (22 October 2026)
Yesterday's Data
- Max: 28°C
- Min: 18°C
- Total Precipitation: 0 mm
Temperature and possibility of rain in Ilocos Sur over the next 12 hours
Temperature and possibility of rain in Ilocos Sur in the coming days
Rainfall in Ilocos Sur in the coming days
Ilocos Sur Climate Summary
Ilocos Sur features a Tropical monsoon (Köppen classification: Am), with an average annual temperature of 27.79ºC (82.02ºF), which is about 0.57% higher than the national average for Philippines. Annually, the city experiences approximately 95.19 millimeters (3.75 inches) of rainfall, spread across 154.91 rainy days, accounting for 42.44% of the year.
| Longitude | 17.2278664 |
| Latitude | 120.5739579 |
| Yearly high temperature | 30.35ºC (86.63ºF) |
| Yearly low temperature | 23.03ºC (73.45ºF) |
| Hottest month | April 31.88ºC (89.38ºF) |
| Coldest month | January 20.78ºC (69.4ºF) |
| Yearly precip | 95.19mm (3.75in) |
| Days with rainfall | 154.91 days (42.44%) |
| Driest month | February (69.68%) |
| Wettest month | August (80.25%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 28.75° / 20.78° | 2.55 days |
| February | 29.42° / 20.88° | 1.91 days |
| March | 30.86° / 22.02° | 2.45 days |
| April | 31.88° / 23.52° | 7.55 days |
| May | 32.47° / 24.85° | 14.82 days |
| June | 31.28° / 24.68° | 23.36 days |
| July | 29.98° / 23.98° | 26.36 days |
| August | 29.6° / 23.81° | 25.91 days |
| September | 30.06° / 23.65° | 22.09 days |
| October | 30.1° / 23.05° | 13.91 days |
| November | 30.23° / 22.74° | 7.82 days |
| December | 29.6° / 22.36° | 6.18 days |
Ilocos Sur's weather
- Metropolitan Manila
- Quezon
- Cebu
- Camiguin
- Davao del Sur
- Ilocos Norte
- La Union
- Maguindanao
- Sarangani
- Negros Oriental
- Oriental Mindoro
- Quirino
- Surigao del Norte
- Tarlac
- Cavite
- Nueva Vizcaya
- Ifugao
- Tawi-Tawi
- Agusan del Sur
- Aklan
- Apayao
- Aurora
- Basilan
- Bataan
- Batanes
- Batangas
- Bohol
- Bukidnon
- Bulacan
- Camarines Norte
- Camarines Sur
- Capiz
- Catanduanes
- Compostela Valley
- Davao del Norte
- Davao Occidental
- Davao Oriental
- Dinagat Islands
- Eastern Samar
- Guimaras
- Iloilo
- Isabela
- Kalinga
- Lanao del Norte
- Lanao del Sur
- Masbate
- Mindoro Occidental
- Misamis Occidental
- Misamis Oriental
- Negros Occidental
- Northern Samar
- Nueva Ecija
- Palawan
- Pampanga
- Pangasinan
- Romblon
- Samar
- Siquijor
- Sorsogon
- South Cotabato
- Southern Leyte
- Sultan Kudarat
- Sulu
- Surigao del Sur
- Zambales
- Zamboanga del Norte
- Zamboanga del Sur
- Zamboanga Sibugay
- Leyte
- Cotabato
- Marinduque
- Rizal
- Biliran
- Abra
- Agusan del Norte
- Antique
- Laguna
- Albay
- Mountain Province
- Benguet
- Cagayan
Frequently asked questions
1. What is the hottest month in Ilocos Sur?
April has the highest average monthly temperature (daily mean of 31.88ºC) and January are the coolest (daily mean of 20.78ºC).
2. What should I wear in Ilocos Sur today?
For today's very hot weather in Ilocos Sur, with the high temperatures above 31ºC (87.8ºF), consider wearing:
- Light, natural fabrics (like cotton or linen)
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops
- Sleeveless tops or vests
Temperature
Early
21°C / 28°C
Morning
22°C / 25°C
Afternoon
20°C / 21°C
Evening
17°C / 19°C
Air quality
Moderate
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO2 502
- CO 185
- NH3 0
- NO2 3
- O3 62
- PM10 12
- PM25 9
- SO2 1
- CH4 1,440
Sunrise / Sunset
21:58
09:24