Climate and monthly weather forecastIloilo City, Philippines
Climate and monthly weather forecast
The climate of Iloilo City
In the geographical region where Iloilo City, Philippines, is situated, the prevailing climate is classified as Tropical Monsoon according to the Köppen climate classification. It is a zone characterized by significant rainfall and high temperatures occurring throughout the year.The mercury tends not to fluctuate dramatically throughout the year. Temperatures range from a maximum of 31.7°C (89.1°F) in May to a minimum low of 24.2°C (75.6°F) in February, ensuring a generally warm environment year-round. Displaying the Tropical Monsoon climate characteristic, rainfall is definitely worth a mention. It varies from lightly wet days, seeing about 20mm (0.79") in February, to intense rainy spells with 159mm (6.26") experienced in July.
Relative humidity, an indicator of the atmospheric moisture, generally hovers around 80%, slightly dipping to 73% in April and May. Sea temperature ranges from a pleasant 26.9°C (80.4°F) in January and February, warming up to a balmy 29.9°C (85.8°F) in June. In the midst of this, wind speeds typically vary from 10.1km/h (6.3mph) in May to around 24.4km/h (15.2mph) in January, usually on the lower end of the scale. High cloud cover throughout the year indicates rather cloudy conditions with a steady sunlight duration averaging around 8 to 11 hours.
The Best Time to Visit Iloilo City
Merging pleasant weather conditions with comfort, the best time to visit Iloilo City would arguably be between February and April. Temperatures during these months are delightful, wavering between 24.2°C (75.6°F) to 31.3°C (88.3°F), while the sea's welcoming heat ranges from 26.9°C (80.4°F) to 28.2°C (82.8°F). Furthermore, clear skies dominate and enhance luminosity with average daylight hours reaching up to 12.4 hours. Sunshine duration reaches its peak at 11.5 hours. Comparatively lower rainfall during these months, averaging between 20mm (0.79") and 25mm (0.98"), ensures relatively drier conditions for outdoor activities and sightseeing.The Worst Time to Visit Iloilo City
June to August is typically seen as a less favourable time to visit Iloilo City. During these months, rainfall, relative humidity, and cloud cover all reach their annual peak. The rainfall jumps significantly to an average of 124mm (4.88") to 159mm (6.26"), and the city experiences 24 to 26 days of rain per month. Additionally, the relative humidity reaches 80% while the cloud cover ranges between 40% and 48%. Visitors during this time should be prepared for slightly cooler temperatures, fluctuating between 25.7°C (78.3°F) and 30.3°C (86.5°F).Spring Weather in Iloilo City
Spring in Iloilo City is a period from March to May. It is characterized by rising temperatures, where the values typically vary between 24.7°C (76.5°F) to 31.7°C (89.1°F). While rainfall increases as the season progresses, going from 21mm (0.83") in March to a significant leap to 85mm (3.35") in May, relative humidity slightly decreases. The daylight duration creeps up to 12.7 hours in May, matching the amount of sea heat peaking at 29.6°C (85.3°F).Summer Weather in Iloilo City
Summers in Iloilo City, flowing from June to August, contend with the monsoon season. There is a rise in rainfall and humidity. The city experiences its highest rainfall of the year, with rainfall amounts ranging between 124mm (4.88") and 159mm (6.26"). Simultaneously, temperatures tend to fall slightly, circling around 25.7°C (78.3°F) to 30.3°C (86.5°F). Sea temperature remains quite warm, fluctuating between 28.8°C (83.8°F) and 29.9°C (85.8°F), a desire for those enjoying water activities.Autumn Weather in Iloilo City
During the autumn months of September to November, weather conditions in Iloilo City start to improve. The rainfall becomes less intense, dropping from 124mm (4.88") in September to 72mm (2.83") in November. However, sea temperatures remain quite steady, varying slightly between 28.9°C (84°F) and 29.2°C (84.6°F). The city sees a decrease in daylight hours, going from 12.2 hours in September to 11.6 hours in November. Autumn temperatures fluctuate between 25.5°C (77.9°F) to 29.6°C (85.3°F).Winter Weather in Iloilo City
Iloilo City experiences winter from December to February. During this period, temperatures remain moderately constant, oscillating from a low of 24.2°C (75.6°F) in February to a high of 28.2°C (82.8°F) in December. In these months, rainfall drops to a yearly low, with the city receiving between 30mm (1.18") and 49mm (1.93"). Furthermore, less cloud coverage allows more sunlight to filter through, providing around 7.4 to 9.5 hours of sunshine daily. To add, daylight hours stay comparatively constant, changing only slightly from 11.5 hours to 11.8 hours.Weather in January
Historically, the climate in Iloilo City in January offers slightly cooler temperatures than in the holiday season of December. The city still experiences a high degree of relative humidity at 81%, with temperatures ranging from 24.5°C (76.1°F) in the early morning to a moderate 28.2°C (82.8°F) at its peak. Weather in January »Weather in February
Onto February, the city of Iloilo experiences slightly warmer and less humid days, underlining the slow transition into the dry season. During this month, Iloilo City shows a slight drop in rainfall, too. Temperatures remain quite pleasant, registering between 24.2°C (75.6°F) at night to 29°C (84.2°F) in the afternoon, a slight increase from the January measurements. Weather in February »Weather in March
Moving forward into March, Iloilo City encounters less humid days with a relative humidity of 75%. In comparison to the prior months, a noticeable decrease in precipitation reflects the city's steady passage towards its dry phase. Weather in March »Weather in April
Arriving in the height of the Philippine dry season, April in Iloilo City showcases clear skies with meager chances of raining. The city's temperature profile reveals a discernible rise, from 25.6°C (78.1°F) to 31.3°C (88.3°F), marking the warmest time of the year. Weather in April »Weather in May
In the month of May, weather conditions in Iloilo City take quite the turn as it starts to transition into the wet season. The city bears witness to the most significant jump in rainfall, increasing to a staggering 85mm (3.35") from the previous month's 25mm (0.98"). Weather in May »Weather in June
With the summer's end, June introduces the rainy season in the city of Iloilo. The increase in precipitation is notable, with rainfall amounts soaring to 124mm (4.88"). Temperature remains relatively on the high side, peaking at 30.3°C (86.5°F). Weather in June »Weather in July
Amidst July, Iloilo City is right in the middle of the rainy season with the highest recorded rainfall level of 159mm (6.26") throughout the year. The city experiences a slight decrease in maximum temperature, scaling down to a comfortable 29.3°C (84.7°F). Weather in July »Weather in August
As the wet season continues over Iloilo City in August, respiratory troubles due to high humidity of 80% may occur. In this month, the average rainfall stays high at 144mm (5.67"), although not as high as in July. Temperatures remain steady throughout the month, recording between 25.9°C (78.6°F) at night and 29.4°C (84.9°F) in the daytime. Weather in August »Weather in September
Throughout September, Iloilo City persists in its umbrella weather with sustained showers. Rainfall begins to decrease, yet remains relatively high at 124mm (4.88"), showcasing the last throes of the monsoon season. Even though the temperatures remain comfortable, oscillating from 25.6°C (78.1°F) to 29.2°C (84.6°F), the humidity stays put at 80%. Weather in September »Weather in October
October in Iloilo City exhibits the early retreat of the rainy season with a noticeable decrease in rainfall to 106mm (4.17"). Despite the signs of lessening showers, relative humidity remains at 80%. Temperature continues to offer a cooler respite from peak, ranging from 25.5°C (77.9°F) to a manageable 29.4°C (84.9°F). Weather in October »Weather in November
November in Iloilo City sees the full retreat of the wet season, significantly reducing rainfall to 72mm (2.83"). Temperature stability continues with minimum and maximum readings of 25.4°C (77.7°F) and 29.6°C (85.3°F) respectively. Weather in November »Weather in December
This month in Iloilo City welcomes the holiday season and marks a full swing into the cooler and less humid conditions. The end of the year triggers further reductions in rainfall, lodging at 49mm (1.93"), the lowest in the span of six months. Weather in December »Updated: Feb 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average high temperatures of 28.2°C (82.8°F) and lows of 24.5°C (76.1°F), January is the coldest month in Iloilo City.
The months with the highest humidity are January and December, with an average relative humidity of 81%.
Throughout the year, in Iloilo City, there are 211.9 rainfall days, and 959mm (37.76") of precipitation is accumulated.
The months with the coldest seawater in Iloilo City are January and February, with an average sea temperature of 26.9°C (80.4°F).
January has the least sunshine of the year, with an average of 6h of sunshine.
The months with the highest UV index in Iloilo City are January through December, with an average maximum UV index of 7.
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
February is the month with the least rainfall in Iloilo City. Rain falls for 8.1 days and accumulates 20mm (0.79") of precipitation.
April and May, with an average relative humidity of 73%, are the least humid months in Iloilo City, Philippines.
With an average of 11.5h of sunshine, April has the most sunshine of the year in Iloilo City.
The warmest time of the year in Iloilo City, Philippines, is May, with temperatures averaging a high of 31.7°C (89.1°F) and a low of 26.6°C (79.9°F).
June is the month with the warmest seawater, with an average sea temperature of 29.9°C (85.8°F).
With an average of 12h and 42min of daylight, June has the longest days of the year in Iloilo City, Philippines.
July is the month with the most rainfall. Rain falls for 25.8 days and accumulates 159mm (6.26") of precipitation.
With an average of 11h and 30min of daylight, December has the shortest days of the year.
Iloilo City does not observe Daylight Saving Time (DST). PST timezone is used throughout the entire year.
Average temperature
Iloilo City, Philippines
The warmest month (with the highest average high temperature) is May (31.7°C).
The month with the lowest average high temperature is January (28.2°C).
The month with the highest average low temperature is May (26.6°C).
The coldest month (with the lowest average low temperature) is February (24.2°C).
Average pressure
Iloilo City, Philippines
- Average pressure in January:
1010.9mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1011.2mbar - Average pressure in April:
1010.3mbar - Average pressure in May:
1009.2mbar - Average pressure in June:
1008.9mbar
- Average pressure in July:
1008.6mbar - Average pressure in August:
1008.7mbar - Average pressure in September:
1009mbar - Average pressure in October:
1009.1mbar - Average pressure in November:
1009.3mbar - Average pressure in December:
1009.5mbar
The month with the highest atmospheric pressure is February (1011.5mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed
Iloilo City, Philippines
- Average wind speed in January:
24.4km/h - Average wind speed in February:
23.6km/h - Average wind speed in March:
21.2km/h - Average wind speed in April:
16.3km/h - Average wind speed in May:
10.1km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
13.9km/h - Average wind speed in August:
16.1km/h - Average wind speed in September:
14.4km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
18.5km/h - Average wind speed in December:
20.4km/h
The windiest month (with the highest average wind speed) is January (24.4km/h).
The calmest month (with the lowest average wind speed) is May (10.1km/h).
Average humidity
Iloilo City, Philippines
The months with the highest relative humidity are January and December (81%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall
Iloilo City, Philippines
The wettest month (with the highest rainfall) is July (159mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days
Iloilo City, Philippines
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
13 days - Average rainfall days in May:
21.3 days - Average rainfall days in June:
24.4 days
- Average rainfall days in July:
25.8 days - Average rainfall days in August:
26 days - Average rainfall days in September:
23.9 days - Average rainfall days in October:
21.7 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
13.6 days
The month with the highest number of rainy days is August (26 days).
The month with the least rainy days is February (8.1 days).
Average sea temperature
Iloilo City, Philippines
The best month for swimming (with the highest average sea temperature) is June (29.9°C).
The coldest months (with the lowest average sea temperature) are January and February (26.9°C).
Average daylight / Average sunshine
Iloilo City, Philippines
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 42min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 30min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 42min - Average sunshine in March:
9h and 30min - Average sunshine in April:
11h and 30min - Average sunshine in May:
11h and 6min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 0min - Average sunshine in October:
8h and 18min - Average sunshine in November:
8h and 36min - Average sunshine in December:
7h and 24min
The month with the most sunshine is April (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days
Iloilo City, Philippines
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
18.7 days - Average sunshine days in April:
14 days - Average sunshine days in May:
6.4 days - Average sunshine days in June:
2.8 days
- Average sunshine days in July:
3 days - Average sunshine days in August:
3.6 days - Average sunshine days in September:
4.1 days - Average sunshine days in October:
7.6 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is March (18.7 days).
The month with the least sunshine days is June (2.8 days).
Average UV index
Iloilo City, Philippines
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Iloilo City, Philippines
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is April (Cloud cover 24).
Average visibility
Iloilo City, Philippines
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
