Ilocos Sur, Philippines Weather

  1. Ilocos Sur, Philippines Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Ilocos Sur over the next 12 hours
  7. Temperature and possibility of rain in Ilocos Sur in the coming days
  8. Rainfall in Ilocos Sur in the coming days
  9. Ilocos Sur Weather Summary
  10. Weather averages by month
  11. Ilocos Sur's weather
  12. Frequently asked questions
  13. Comments
Ilocos Sur, Weather
(Photo by Brian Kairuz on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Fog

Pressure: 986 hPa

Feel like: 23 °C

Temperature: 20°C

Cloud: 38%

Humidity: 97%

Wind: E - 4 km/h

Visibility: 0.48 km

Weather forecast

Thu
05 Nov
18°C / 28°C
Overcast
Fri
06 Nov
17°C / 29°C
Drizzle
Sat
07 Nov
19°C / 30°C
Fog
Sun
08 Nov
20°C / 30°C
Drizzle
Mon
09 Nov
19°C / 30°C
Overcast
Hourly forecast today:
21:00 PM
19° / 20°
19° / 20°
Fog
97% 10 km/h
22:00 PM
19° / 19°
19° / 19°
Fog
98% 12 km/h
23:00 PM
19° / 21°
19° / 21°
Mainly Clear
84% 13 km/h
00:00 AM
20° / 25°
20° / 25°
Mainly Clear
72% 12 km/h
01:00 AM
21° / 27°
21° / 27°
Partly Cloudy
68% 10 km/h
02:00 AM
21° / 28°
21° / 28°
Partly Cloudy
66% 15 km/h
03:00 AM
21° / 29°
21° / 29°
Partly Cloudy
64% 19 km/h
04:00 AM
22° / 29°
22° / 29°
Overcast
66% 24 km/h
05:00 AM
23° / 28°
23° / 28°
Moderate Drizzle
75% 25 km/h
06:00 AM
23° / 27°
23° / 27°
Moderate Drizzle
81% 25 km/h
07:00 AM
23° / 26°
23° / 26°
Drizzle
85% 24 km/h

30 Day Averages and Extremes

  • Average high 29.6°C
  • Average low 19.6°C
  • Hottest day 32°C (20 October 2026)
  • Coldest day 17°C (06 November 2026)
  • Average humidity 84.5%
  • Days with precipitation 25 days
  • Highest precipitation 83 mm (22 October 2026)

Yesterday's Data

  • Max: 29°C
  • Min: 20°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

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 29ºC (84.2ºF), consider wearing:
- Sunscreen for skin protection
- Thin, moisture-wicking socks
- UV-protective sunglasses
- Breathable shorts or skirts

Temperature

Early
21°C / 29°C
Morning
23°C / 25°C
Afternoon
22°C / 23°C
Evening
19°C / 20°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 561
  • CO 176
  • NH3 0
  • NO2 3
  • O3 47
  • PM10 9
  • PM25 7
  • SO2 1
  • CH4 1,447

Sunrise / Sunset

21:57
09:24