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
Condition: Partly Cloudy
Pressure: 985 hPa
Feel like: 31 °C
Temperature: 26°C
Cloud: 49%
Humidity: 86%
Wind: NNE - 8 km/h
Visibility: 24.14 km
30 Day Averages and Extremes
- Average high 28.8°C
- Average low 25.07°C
- Hottest day 33°C (09 November 2025)
- Coldest day 19°C (25 November 2025)
- Average humidity 78.87%
- Days with precipitation 26 days
- Highest precipitation 98 mm (10 November 2025)
Yesterday's Data
- Max: 27°C
- Min: 26°C
- Total Precipitation: 5 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 28ºC (82.4ºF), consider wearing:
- Sunscreen for skin protection
- Thin, moisture-wicking socks
- Lightweight t-shirt or tank top
- Open-toed sandals or light sneakers
Temperature
Air quality
Satisfactory air quality, minimal pollution, low risk
- CO2 481
- CO 237
- NH3 0
- NO2 2
- O3 62
- PM10 17
- PM25 14
- SO2 1
- CH4 1,434