Iloilo City climate — normals and trends

Q: What is the climate of Iloilo City?

Iloilo City has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 1,854 mm of precipitation per year.

Q: What is the hottest day ever recorded in Iloilo City?

The hottest day measured in Iloilo City between 1940 and 2025 was 30 April 1998, reaching 36.3 °C.

Q: What is the coldest day in Iloilo City?

The coldest day measured in Iloilo City between 1940 and 2025 was 13 January 1971, at 19.0 °C.

Q: Does it snow in Iloilo City?

Almost never: Iloilo City sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Iloilo City warmed?

Yes: Iloilo City warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Iloilo City?

The wettest day measured in Iloilo City between 1940 and 2025 was 11 April 2022, with 192 mm of rain in 24 hours.

Q: What was the windiest day in Iloilo City?

The windiest day measured in Iloilo City between 1940 and 2025 was 17 December 2021, with winds reaching 64.3 km/h.

Q: What is the warmest month in Iloilo City?

The warmest month in Iloilo City is May (28.1 °C on average); the coldest is January (25.4 °C).

Q: How much does it rain in Iloilo City?

Iloilo City receives on average 1,854 mm of precipitation per year, spread over about 239 rainy days.

Q: Is it sunny in Iloilo City?

Iloilo City gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Iloilo City (Philippines) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 1,854 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is May (28.1 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in July.

Iloilo City averages 0 frost days, 160 hot days (≥ 30 °C) and 239 rainy days per year.

Iloilo City has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.3 °C (on 30 April 1998) and the coldest 19.0 °C (on 13 January 1971).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Iloilo CityWestern Visayas

coords: 10.70°, 122.56°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthMayColdest monthJanuaryWettest monthJulyDriest monthMarch

Mean daily temperature

26.6°C

Average daily high

29.7°C

Average daily low

24.2°C

Annual rainfall

1,854mm

Sunshine / day

9.8h

Mean relative humidity

83%

Average peak wind

18.5km/h

Seasonal range

2.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

160 d/yr

Rainy days (≥ 1 mm)

239 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.3 °C

Average feels-like low

27.7 °C

Average peak gust

36.1 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

17.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.71 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

36.3 °C

30 April 1998

Coldest day

19.0 °C

13 January 1971

Wettest day

192 mm

11 April 2022

Windiest day

64.3 km/h

17 December 2021

Strongest gust

119.2 km/h

17 December 2021

Hottest feels-like

43.0 °C

6 May 2020

Coldest feels-like

18.3 °C

19 January 1961

Sunniest day

12.3 h

22 May 2010

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.0 °C20 April 2025	23.7 °C12 November 2025	27.3 °C	3,036 mm	226
2024	36.1 °C17 May 2024	23.2 °C27 January 2024	28.0 °C	2,607 mm	266
2023	34.5 °C19 April 2023	22.6 °C21 March 2023	27.5 °C	2,269 mm	234
2022	33.0 °C12 May 2022	22.9 °C15 January 2022	27.3 °C	2,503 mm	223
2021	33.2 °C7 May 2021	22.9 °C20 February 2021	27.3 °C	2,279 mm	220
2020	35.7 °C9 May 2020	22.4 °C4 February 2020	27.7 °C	2,066 mm	256
2019	35.9 °C21 April 2019	21.6 °C26 February 2019	27.5 °C	1,773 mm	261
2018	34.7 °C24 May 2018	20.8 °C9 February 2018	27.2 °C	2,162 mm	211
2017	33.8 °C29 April 2017	22.3 °C11 April 2017	27.0 °C	2,559 mm	187
2016	36.3 °C14 May 2016	21.4 °C18 January 2016	27.6 °C	2,118 mm	245
2015	34.9 °C13 May 2015	21.3 °C18 March 2015	27.4 °C	1,532 mm	233
2014	33.0 °C20 May 2014	20.1 °C26 January 2014	26.8 °C	2,440 mm	188
2013	34.8 °C6 May 2013	22.5 °C31 October 2013	27.2 °C	2,206 mm	208
2012	33.3 °C8 May 2012	23.0 °C12 February 2012	27.0 °C	2,211 mm	184
2011	32.6 °C13 May 2011	22.8 °C2 February 2011	26.7 °C	2,625 mm	161
2010	35.7 °C9 May 2010	23.0 °C28 January 2010	27.6 °C	1,452 mm	269
2009	34.4 °C16 April 2009	22.2 °C16 January 2009	26.8 °C	2,253 mm	180
2008	32.7 °C10 April 2008	22.1 °C5 January 2008	26.7 °C	2,160 mm	194
2007	34.4 °C6 May 2007	22.5 °C30 November 2007	27.2 °C	1,886 mm	221
2006	34.4 °C6 May 2006	23.2 °C21 January 2006	27.0 °C	2,075 mm	210
2005	34.8 °C9 May 2005	22.0 °C14 January 2005	27.0 °C	1,713 mm	233
2004	33.8 °C3 May 2004	22.4 °C17 February 2004	27.0 °C	1,528 mm	211
2003	34.6 °C5 April 2003	21.5 °C25 February 2003	27.0 °C	1,757 mm	208
2002	34.1 °C7 May 2002	21.4 °C2 March 2002	26.9 °C	1,643 mm	219
2001	33.6 °C4 May 2001	21.8 °C29 December 2001	26.8 °C	2,169 mm	170
2000	33.3 °C2 May 2000	22.4 °C30 January 2000	26.7 °C	2,135 mm	165
1999	32.8 °C3 May 1999	22.2 °C19 February 1999	26.6 °C	2,229 mm	161
1998	36.3 °C30 April 1998	22.7 °C15 January 1998	27.8 °C	1,379 mm	298
1997	34.2 °C14 May 1997	20.9 °C25 January 1997	26.6 °C	1,523 mm	191
1996	32.5 °C2 April 1996	20.0 °C30 December 1996	26.4 °C	1,971 mm	168
1995	34.7 °C10 May 1995	21.4 °C12 January 1995	26.8 °C	1,650 mm	191
1994	32.5 °C12 April 1994	21.3 °C14 January 1994	26.7 °C	1,760 mm	141
1993	35.7 °C26 May 1993	21.1 °C28 January 1993	26.9 °C	1,591 mm	159
1992	35.0 °C14 May 1992	20.7 °C18 January 1992	26.9 °C	1,486 mm	186
1991	34.5 °C25 May 1991	20.9 °C12 November 1991	26.9 °C	1,389 mm	181
1990	35.3 °C21 April 1990	21.9 °C21 December 1990	27.0 °C	1,784 mm	195
1989	33.1 °C13 May 1989	21.2 °C7 December 1989	26.6 °C	1,861 mm	152
1988	34.8 °C12 May 1988	21.8 °C15 December 1988	27.1 °C	2,100 mm	219
1987	35.4 °C6 May 1987	20.4 °C6 February 1987	27.2 °C	1,593 mm	188
1986	34.3 °C9 May 1986	21.8 °C16 February 1986	26.6 °C	1,872 mm	143
1985	33.6 °C11 April 1985	20.7 °C8 January 1985	26.6 °C	1,772 mm	151
1984	33.0 °C20 April 1984	21.9 °C20 November 1984	26.5 °C	2,006 mm	142
1983	35.6 °C18 May 1983	21.9 °C18 February 1983	27.1 °C	1,354 mm	211
1982	33.8 °C30 April 1982	21.2 °C1 February 1982	26.4 °C	1,725 mm	140
1981	35.1 °C29 April 1981	20.6 °C21 January 1981	26.6 °C	1,735 mm	148
1980	34.5 °C24 April 1980	22.1 °C5 February 1980	26.7 °C	1,858 mm	167
1979	34.7 °C5 April 1979	20.5 °C12 January 1979	26.8 °C	1,980 mm	183
1978	34.3 °C1 April 1978	20.9 °C2 January 1978	26.7 °C	2,347 mm	165
1977	34.9 °C14 May 1977	21.8 °C9 February 1977	26.7 °C	1,767 mm	161
1976	33.9 °C10 April 1976	19.1 °C5 February 1976	26.3 °C	1,750 mm	164
1975	33.2 °C29 March 1975	20.8 °C23 January 1975	26.4 °C	1,848 mm	162
1974	34.7 °C9 May 1974	20.8 °C15 January 1974	26.4 °C	1,722 mm	163
1973	35.9 °C28 April 1973	20.5 °C26 January 1973	27.0 °C	1,474 mm	230
1972	33.3 °C16 May 1972	20.6 °C2 March 1972	26.3 °C	1,830 mm	120
1971	33.5 °C18 April 1971	19.0 °C13 January 1971	26.1 °C	1,588 mm	115
1970	35.6 °C27 May 1970	22.1 °C10 February 1970	26.9 °C	1,734 mm	185
1969	34.7 °C28 March 1969	21.4 °C20 February 1969	26.9 °C	1,316 mm	202
1968	35.1 °C2 May 1968	20.8 °C19 January 1968	26.7 °C	1,441 mm	186
1967	34.3 °C19 May 1967	21.1 °C16 November 1967	26.2 °C	1,204 mm	136
1966	33.5 °C30 April 1966	21.7 °C26 March 1966	26.0 °C	1,280 mm	67
1965	31.2 °C16 May 1965	19.4 °C22 January 1965	25.3 °C	1,919 mm	22
1964	32.3 °C4 May 1964	21.5 °C17 December 1964	25.7 °C	1,901 mm	44
1963	34.4 °C23 May 1963	20.0 °C5 April 1963	26.1 °C	1,290 mm	127
1962	34.1 °C10 May 1962	20.9 °C4 February 1962	26.3 °C	1,511 mm	147
1961	34.6 °C6 May 1961	20.5 °C19 January 1961	26.3 °C	1,686 mm	147
1960	33.4 °C1 April 1960	20.5 °C19 December 1960	26.5 °C	1,535 mm	181
1959	34.9 °C15 June 1959	21.7 °C20 January 1959	26.5 °C	1,515 mm	169
1958	33.6 °C19 May 1958	21.9 °C4 December 1958	26.5 °C	1,473 mm	167
1957	33.1 °C18 May 1957	21.3 °C7 February 1957	26.2 °C	1,569 mm	116
1956	31.7 °C20 April 1956	20.8 °C2 January 1956	25.8 °C	2,595 mm	61
1955	32.9 °C16 April 1955	20.0 °C21 December 1955	26.1 °C	1,574 mm	136
1954	33.0 °C16 April 1954	22.2 °C8 January 1954	26.4 °C	1,804 mm	149
1953	34.3 °C1 May 1953	21.8 °C7 January 1953	26.5 °C	1,338 mm	144
1952	34.2 °C6 May 1952	21.3 °C17 February 1952	26.3 °C	1,801 mm	119
1951	34.1 °C24 April 1951	21.8 °C16 March 1951	26.4 °C	1,552 mm	134
1950	33.3 °C27 May 1950	21.7 °C28 December 1950	26.2 °C	1,136 mm	141
1949	32.3 °C22 April 1949	20.9 °C22 November 1949	25.9 °C	2,224 mm	53
1948	32.2 °C17 June 1948	20.1 °C8 December 1948	25.5 °C	1,819 mm	67
1947	32.3 °C3 June 1947	21.8 °C23 December 1947	25.8 °C	1,753 mm	64
1946	30.8 °C13 May 1946	21.3 °C7 March 1946	25.4 °C	2,243 mm	17
1945	32.2 °C3 May 1945	21.9 °C5 January 1945	25.7 °C	2,014 mm	47
1944	32.4 °C23 April 1944	19.8 °C18 February 1944	25.5 °C	2,388 mm	61
1943	30.3 °C1 May 1943	20.8 °C4 January 1943	24.9 °C	1,590 mm	1
1942	31.4 °C20 April 1942	21.0 °C7 December 1942	25.4 °C	1,787 mm	31
1941	32.1 °C12 April 1941	20.7 °C8 February 1941	25.6 °C	2,188 mm	49
1940	31.6 °C22 April 1940	20.3 °C17 December 1940	25.3 °C	2,114 mm	34

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

30.2 °C

+0.5 °C

Hot days (≥ 30 °C)

226 d/yr

+66

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3036 mm

+1182 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.4 °C	+1.1 °C	203 mm	+141 mm
Feb	29.5 °C	+0.5 °C	117 mm	+71 mm
Mar	30.1 °C	-0.2 °C	125 mm	+82 mm
Apr	31.9 °C	+0.2 °C	30 mm	-17 mm
May	31.2 °C	-0.5 °C	201 mm	+74 mm
Jun	30.4 °C	+0.1 °C	369 mm	+140 mm
Jul	30.1 °C	+0.7 °C	479 mm	+185 mm
Aug	30.0 °C	+0.7 °C	439 mm	+151 mm
Sep	29.8 °C	+0.4 °C	377 mm	+103 mm
Oct	30.3 °C	+0.8 °C	333 mm	+117 mm
Nov	30.1 °C	+0.8 °C	306 mm	+180 mm
Dec	30.0 °C	+1.3 °C	58 mm	-44 mm

The year's extremes

Hottest day

33.0 °C

20 Apr 2025

Coldest day

23.7 °C

12 Nov 2025

Wettest day

115.7 mm

17 Jul 2025

Windiest day

40.4 km/h

18 Jul 2025

Strongest gust

65.5 km/h

25 Feb 2025

Hottest feels-like

41.0 °C

1 Jun 2025

Coldest feels-like

25.4 °C

25 Feb 2025

Sunniest day

12.2 h

17 May 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Iloilo City?

Iloilo City has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 1,854 mm of precipitation per year.

What is the hottest day ever recorded in Iloilo City?

The hottest day measured in Iloilo City between 1940 and 2025 was 30 April 1998, reaching 36.3 °C.

What is the coldest day in Iloilo City?

The coldest day measured in Iloilo City between 1940 and 2025 was 13 January 1971, at 19.0 °C.

Does it snow in Iloilo City?

Almost never: Iloilo City sees virtually no snow, with about 0 frost days per year.

Has the climate of Iloilo City warmed?

Yes: Iloilo City warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Iloilo City?

The wettest day measured in Iloilo City between 1940 and 2025 was 11 April 2022, with 192 mm of rain in 24 hours.

What was the windiest day in Iloilo City?

The windiest day measured in Iloilo City between 1940 and 2025 was 17 December 2021, with winds reaching 64.3 km/h.

What is the warmest month in Iloilo City?

The warmest month in Iloilo City is May (28.1 °C on average); the coldest is January (25.4 °C).

How much does it rain in Iloilo City?

Iloilo City receives on average 1,854 mm of precipitation per year, spread over about 239 rainy days.

Is it sunny in Iloilo City?

Iloilo City gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Are there tropical nights in Iloilo City?

Yes: Iloilo City has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Iloilo City?

In Iloilo City, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 6 May 2020, and the lowest was 18.3 °C on 19 January 1961.

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