Province of Ilocos Sur Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Province of Ilocos Sur

Province of Ilocos Sur temperature today is 26°, feels like 26°, with a humidity level of 89% and wind at 1.51 km/h. Rain chance today is 93%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Province of Ilocos Sur: expect a high of 31° and a low of 23°, with light rain. Rain chance tomorrow is 100%.

light rain
26°
light rain
H: 26° L: 26°
Feels like 26°
AQI: Moderate (3/5)
Humidity
89%
Dew 24°
Wind speed
1.51 km/h
NW · G2.45
Pressure
1010 hPa
Visibility
10 km
Rain
0.61 mm
High Humidity
Humidity is 89%. May feel uncomfortable.
Weather Summary
Currently in Province of Ilocos Sur, expect varied conditions with warm temperatures around 26°. Winds are calm winds. High humidity may make it feel uncomfortable.
Precipitation Probability
93%
20
57%
23
51%
02
0%
05
0%
08
20%
11
37%
14
85%
17
97%
20
100%
23
100%
02
0%
05
0%
08
0%
11
58%
14
87%
17
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
27°
Tue
20:00
26°
 
26°
 
23°
 
27°
Wed
08:00
30°
 
31°
 
27°
 
25°
Wed
20:00
25°
 
26°
 
23°
 
27°
Thu
08:00
29°
 
28°
 
26°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
05:46
Sunset
Sunset
17:54
Moon Phase
First Quarter (84%)
Timezone: GMT+05:30
Last updated: Sep 22, 2026 3:54 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
17.333330
Longitude
Longitude
120.583328
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More about Province of Ilocos Sur
Content curated by the NearWeather editorial team · Updated periodically

Climate and Weather in Ilocos Sur, Philippines

The province of Ilocos Sur is located in the Ilocos Region of the Philippines. It is known for its rich history, stunning landscapes, and vibrant culture. One important aspect of the region is its climate and weather, which greatly influences the way of life of its residents and the activities that can be enjoyed in the area. Let's explore the climate and weather patterns in Ilocos Sur throughout the year.

1. Temperature

Ilocos Sur experiences a tropical monsoon climate, characterized by two distinct seasons: the dry season and the wet season. The temperature in the province remains relatively consistent throughout the year, with average highs ranging from 27°C to 32°C (81°F to 90°F) and average lows ranging from 15°C to 23°C (59°F to 73°F).

The hottest months in Ilocos Sur are typically April and May, with temperatures often reaching their peak during this time. On the other hand, the coolest months are December and January, when temperatures can drop slightly. Overall, the province enjoys warm and pleasant temperatures throughout the year.

2. Rainfall

The province of Ilocos Sur experiences a wet season that lasts from June to October and a dry season that spans from November to May. The wet season is influenced by the southwest monsoon, also known as the Habagat, which brings heavy rainfall and occasional typhoons to the area.

During the wet season, Ilocos Sur receives a substantial amount of rainfall, with an average rainfall of 2,500 to 3,000 millimeters (98 to 118 inches) per year. The months of July to September are typically the wettest, with frequent rain showers and thunderstorms. It is advisable to bring an umbrella or raincoat when visiting during this time.

On the other hand, the dry season in Ilocos Sur is characterized by relatively lower rainfall and sunny weather. The months of December to February are generally the driest, with little to no rainfall. This period is ideal for outdoor activities and exploring the province's natural wonders.

3. Wind Patterns

Ilocos Sur is also influenced by prevailing winds, particularly the northeast monsoon or Amihan. The northeast monsoon blows from November to March and brings cooler and drier air to the region.

During the northeast monsoon season, winds can be stronger, especially along the coastal areas of Ilocos Sur. These winds are popular among wind and kite surfers who take advantage of the ideal conditions for their activities.

4. Climate Variations

While the climate in Ilocos Sur is generally characterized as a tropical monsoon climate, there can be variations within the province. The coastal areas, for example, may experience slightly different weather patterns compared to the inland areas.

In the coastal areas, the proximity to the ocean influences the climate, resulting in slightly higher humidity and cooler temperatures. The coastal towns also tend to receive more rainfall compared to the inland areas.

5. Best Time to Visit

The best time to visit Ilocos Sur depends on personal preferences and the type of activities you plan to engage in. If you prefer dry and sunny weather, the months of December to February are the ideal time to visit. During this period, you can explore the province's stunning beaches, historical sites, and natural attractions without worrying about heavy rainfall.

However, if you don't mind occasional rain showers and want to experience the lush beauty of the region, the wet season from June to October can also be a great time to visit. The countryside becomes vibrant with greenery, and the waterfalls and rivers are at their fullest. Just make sure to pack appropriate rain gear and plan your outdoor activities accordingly.

Conclusion

Ilocos Sur in the Philippines experiences a tropical monsoon climate, with warm temperatures throughout the year. The province has distinct wet and dry seasons, with the wet season lasting from June to October and the dry season from November to May. Visitors can expect occasional rainfall and typhoons during the wet season, while the dry season offers sunny and dry weather ideal for outdoor activities.

Whether you choose to visit during the dry season or the wet season, Ilocos Sur has a lot to offer in terms of natural beauty, historical sites, and cultural experiences. Understanding the climate and weather patterns in the area will help you plan your visit accordingly and make the most out of your time in this captivating province.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Province of Ilocos Sur
What is the temperature in Province of Ilocos Sur right now?

The current temperature in Province of Ilocos Sur is 26°, and it feels like 26°. Today's high is 26° and the low is 26°.

Will it rain in Province of Ilocos Sur today?

The chance of rain in Province of Ilocos Sur today is 93%. Current rainfall is 0.61 mm. Check the hourly forecast above for exact timing.

What is the weather in Province of Ilocos Sur today?

Province of Ilocos Sur is experiencing light rain with a temperature of 26°. Humidity is at 89% and wind speed is 1.51 km/h from the NW.

What is the humidity in Province of Ilocos Sur today?

Humidity in Province of Ilocos Sur is 89% right now, with a dew point of 24°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Province of Ilocos Sur today?

Wind speed in Province of Ilocos Sur is 1.51 km/h, flowing at 318° NW wind direction. Gusts up to 2.45 km/h.

What is the 5-day forecast for Province of Ilocos Sur?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Province of Ilocos Sur. Today's high is 26° and low is 26°, with a 93% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Province of Ilocos Sur today?

It feels like 26° in Province of Ilocos Sur today, with 35% cloud cover and 10 km visibility.

Weather in Province of Ilocos Sur