San Luis climate — normals and trends

Q: What is the climate of San Luis?

San Luis has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,557 mm of precipitation per year.

Q: What is the hottest day ever recorded in San Luis?

The hottest day measured in San Luis between 1940 and 2025 was 10 May 1979, reaching 39.0 °C.

Q: What is the coldest day in San Luis?

The coldest day measured in San Luis between 1940 and 2025 was 13 January 1971, at 16.6 °C.

Q: Does it snow in San Luis?

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

Q: Has the climate of San Luis warmed?

Yes: San Luis warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in San Luis?

The wettest day measured in San Luis between 1940 and 2025 was 14 July 2000, with 177 mm of rain in 24 hours.

Q: What was the windiest day in San Luis?

The windiest day measured in San Luis between 1940 and 2025 was 26 December 1947, with winds reaching 70.8 km/h.

Q: What is the warmest month in San Luis?

The warmest month in San Luis is May (29.2 °C on average); the coldest is January (25.2 °C).

Q: How much does it rain in San Luis?

San Luis receives on average 1,557 mm of precipitation per year, spread over about 172 rainy days.

Q: Is it sunny in San Luis?

San Luis gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

San Luis (Philippines) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,557 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 (29.2 °C on average) and the coldest is January (25.2 °C). Rainfall peaks in August.

San Luis averages 0 frost days, 250 hot days (≥ 30 °C) and 172 rainy days per year.

San Luis has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.0 °C (on 10 May 1979) and the coldest 16.6 °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

San LuisCentral Luzon

coords: 15.04°, 120.79°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthAugustDriest monthFebruary

Mean daily temperature

27.1°C

Average daily high

31.1°C

Average daily low

23.9°C

Annual rainfall

1,557mm

Sunshine / day

10.0h

Mean relative humidity

79%

Average peak wind

13.8km/h

Seasonal range

4.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

250 d/yr

Rainy days (≥ 1 mm)

172 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.9 °C

Average feels-like low

28.0 °C

Average peak gust

32.1 km/h

Tropical nights (≥ 20 °C)

356 d/yr

Solar radiation

17.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.61 · 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

39.0 °C

10 May 1979

Coldest day

16.6 °C

13 January 1971

Wettest day

177 mm

14 July 2000

Windiest day

70.8 km/h

26 December 1947

Strongest gust

128.9 km/h

30 June 1964

Hottest feels-like

44.6 °C

6 May 2020

Coldest feels-like

16.0 °C

10 January 1971

Sunniest day

12.3 h

9 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.6 °C25 April 2025	22.0 °C15 March 2025	27.9 °C	2,265 mm	278
2024	38.4 °C12 May 2024	20.8 °C27 January 2024	28.5 °C	1,922 mm	315
2023	37.5 °C29 May 2023	21.1 °C17 February 2023	28.2 °C	1,628 mm	298
2022	36.6 °C12 May 2022	19.8 °C18 January 2022	27.9 °C	1,860 mm	297
2021	37.3 °C17 May 2021	20.3 °C20 February 2021	27.9 °C	1,532 mm	293
2020	36.8 °C5 May 2020	19.1 °C4 February 2020	28.1 °C	1,996 mm	309
2019	37.3 °C25 April 2019	19.9 °C21 February 2019	28.0 °C	1,579 mm	308
2018	37.3 °C2 May 2018	21.7 °C7 February 2018	27.9 °C	1,793 mm	273
2017	37.3 °C13 May 2017	19.6 °C15 February 2017	27.8 °C	1,785 mm	281
2016	36.7 °C2 May 2016	21.4 °C18 February 2016	28.1 °C	1,519 mm	308
2015	36.8 °C2 June 2015	19.7 °C23 February 2015	27.7 °C	1,604 mm	285
2014	37.7 °C20 May 2014	17.1 °C25 January 2014	27.5 °C	1,591 mm	264
2013	36.6 °C8 May 2013	20.2 °C25 January 2013	27.8 °C	1,817 mm	291
2012	36.1 °C29 April 2012	21.4 °C30 November 2012	27.4 °C	1,836 mm	273
2011	36.4 °C7 May 2011	20.3 °C3 February 2011	27.1 °C	2,313 mm	231
2010	36.8 °C16 May 2010	19.3 °C5 February 2010	27.8 °C	1,444 mm	305
2009	34.9 °C15 April 2009	19.0 °C16 January 2009	27.2 °C	2,185 mm	260
2008	36.0 °C23 April 2008	19.3 °C18 December 2008	27.2 °C	1,788 mm	247
2007	36.1 °C20 April 2007	19.9 °C30 January 2007	27.6 °C	1,400 mm	285
2006	36.3 °C10 May 2006	20.5 °C12 January 2006	27.5 °C	1,751 mm	275
2005	35.8 °C30 April 2005	18.7 °C26 January 2005	27.4 °C	1,627 mm	266
2004	36.3 °C6 May 2004	19.8 °C23 December 2004	27.4 °C	1,226 mm	287
2003	36.9 °C8 May 2003	19.9 °C21 January 2003	27.4 °C	1,244 mm	272
2002	36.1 °C12 May 2002	18.7 °C11 January 2002	27.3 °C	1,592 mm	273
2001	34.9 °C30 April 2001	19.6 °C4 January 2001	27.2 °C	1,528 mm	241
2000	36.2 °C2 May 2000	19.0 °C30 January 2000	27.0 °C	2,414 mm	231
1999	33.9 °C22 April 1999	19.1 °C18 February 1999	26.9 °C	1,606 mm	229
1998	36.6 °C15 May 1998	18.9 °C2 January 1998	27.9 °C	1,421 mm	319
1997	35.6 °C16 May 1997	18.1 °C18 January 1997	27.0 °C	1,258 mm	267
1996	35.4 °C6 May 1996	18.0 °C29 December 1996	27.1 °C	1,506 mm	254
1995	36.7 °C8 May 1995	17.1 °C30 December 1995	27.1 °C	1,923 mm	254
1994	35.6 °C28 April 1994	20.1 °C22 January 1994	27.3 °C	1,505 mm	254
1993	36.1 °C28 May 1993	19.5 °C24 January 1993	27.3 °C	1,581 mm	226
1992	35.2 °C30 April 1992	18.6 °C28 November 1992	27.1 °C	1,395 mm	234
1991	36.0 °C9 May 1991	18.7 °C6 December 1991	27.2 °C	1,402 mm	211
1990	35.9 °C6 May 1990	19.4 °C19 January 1990	27.3 °C	1,730 mm	261
1989	35.8 °C15 April 1989	17.5 °C3 December 1989	27.1 °C	1,466 mm	223
1988	36.2 °C18 May 1988	17.1 °C14 December 1988	27.6 °C	1,603 mm	270
1987	36.4 °C10 May 1987	18.1 °C6 February 1987	27.5 °C	1,045 mm	255
1986	34.4 °C7 May 1986	18.5 °C10 December 1986	27.0 °C	1,615 mm	215
1985	36.6 °C8 April 1985	16.8 °C26 December 1985	27.0 °C	1,590 mm	239
1984	35.9 °C5 April 1984	20.1 °C28 December 1984	26.8 °C	2,078 mm	219
1983	36.3 °C13 June 1983	17.6 °C11 February 1983	27.1 °C	1,295 mm	265
1982	35.0 °C12 May 1982	18.4 °C22 January 1982	26.8 °C	1,407 mm	235
1981	36.0 °C11 May 1981	17.5 °C21 December 1981	26.7 °C	1,705 mm	223
1980	36.4 °C27 April 1980	18.0 °C26 December 1980	27.1 °C	1,287 mm	277
1979	39.0 °C10 May 1979	18.7 °C15 December 1979	27.2 °C	1,741 mm	279
1978	38.0 °C10 May 1978	17.6 °C24 January 1978	27.2 °C	1,927 mm	248
1977	36.8 °C25 April 1977	18.8 °C6 March 1977	27.2 °C	1,459 mm	275
1976	36.7 °C16 May 1976	17.5 °C8 February 1976	26.7 °C	1,997 mm	246
1975	37.9 °C6 May 1975	18.6 °C24 January 1975	27.1 °C	1,488 mm	284
1974	36.9 °C10 April 1974	16.6 °C15 January 1974	27.0 °C	1,820 mm	272
1973	37.2 °C6 May 1973	17.7 °C5 February 1973	27.4 °C	1,200 mm	290
1972	35.9 °C29 April 1972	17.9 °C7 March 1972	26.6 °C	2,037 mm	220
1971	35.9 °C9 April 1971	16.6 °C13 January 1971	26.5 °C	1,659 mm	231
1970	37.5 °C6 May 1970	18.9 °C2 February 1970	27.2 °C	1,602 mm	258
1969	37.6 °C4 May 1969	18.0 °C19 February 1969	27.4 °C	1,008 mm	289
1968	37.1 °C11 May 1968	17.4 °C19 January 1968	27.2 °C	452 mm	307
1967	37.3 °C13 May 1967	17.8 °C8 February 1967	26.7 °C	900 mm	244
1966	37.0 °C24 April 1966	19.8 °C14 January 1966	26.8 °C	1,087 mm	253
1965	35.1 °C10 April 1965	18.5 °C8 January 1965	26.3 °C	894 mm	203
1964	37.0 °C11 May 1964	19.6 °C20 February 1964	26.6 °C	1,481 mm	193
1963	37.3 °C23 May 1963	18.4 °C3 March 1963	26.6 °C	1,255 mm	238
1962	36.3 °C4 May 1962	18.3 °C3 February 1962	27.1 °C	918 mm	256
1961	36.0 °C25 April 1961	17.7 °C20 January 1961	26.9 °C	1,338 mm	231
1960	36.7 °C21 April 1960	20.2 °C6 February 1960	27.4 °C	1,315 mm	278
1959	36.1 °C23 May 1959	19.6 °C20 January 1959	27.4 °C	913 mm	285
1958	37.5 °C12 May 1958	19.2 °C31 December 1958	27.1 °C	1,519 mm	246
1957	36.7 °C9 May 1957	18.2 °C14 February 1957	26.7 °C	1,473 mm	243
1956	35.4 °C28 May 1956	19.2 °C7 February 1956	26.5 °C	1,826 mm	225
1955	37.1 °C13 May 1955	17.2 °C23 February 1955	26.8 °C	1,218 mm	263
1954	37.2 °C20 April 1954	18.9 °C20 December 1954	27.3 °C	1,506 mm	289
1953	38.7 °C2 May 1953	19.0 °C7 January 1953	27.2 °C	1,134 mm	258
1952	37.3 °C10 May 1952	20.7 °C19 March 1952	27.3 °C	1,620 mm	277
1951	36.4 °C3 May 1951	19.1 °C25 January 1951	27.2 °C	1,012 mm	271
1950	36.0 °C10 May 1950	19.7 °C14 February 1950	26.8 °C	1,171 mm	250
1949	37.0 °C14 May 1949	18.4 °C12 January 1949	26.9 °C	1,542 mm	246
1948	35.8 °C8 May 1948	17.9 °C18 January 1948	26.3 °C	1,571 mm	191
1947	36.1 °C9 April 1947	19.1 °C22 November 1947	26.6 °C	1,775 mm	235
1946	35.0 °C7 May 1946	19.9 °C2 March 1946	26.3 °C	1,603 mm	182
1945	35.0 °C26 April 1945	19.9 °C12 February 1945	26.0 °C	1,427 mm	157
1944	34.4 °C25 April 1944	17.5 °C6 March 1944	25.6 °C	2,647 mm	94
1943	34.5 °C15 April 1943	17.2 °C29 January 1943	25.2 °C	1,308 mm	82
1942	34.6 °C30 March 1942	16.7 °C8 December 1942	26.0 °C	1,436 mm	162
1941	33.7 °C27 March 1941	18.4 °C6 February 1941	25.8 °C	2,048 mm	140
1940	34.9 °C24 April 1940	18.0 °C25 January 1940	25.7 °C	1,908 mm	118

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

31.5 °C

+0.4 °C

Hot days (≥ 30 °C)

278 d/yr

+28

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2265 mm

+708 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.9 °C	+0.5 °C	75 mm	+54 mm
Feb	30.1 °C	-0.3 °C	96 mm	+79 mm
Mar	32.0 °C	-0.1 °C	20 mm	-0 mm
Apr	35.3 °C	+1.4 °C	10 mm	-16 mm
May	34.7 °C	+1.0 °C	110 mm	-6 mm
Jun	31.7 °C	-0.1 °C	317 mm	+111 mm
Jul	29.9 °C	-0.8 °C	382 mm	+105 mm
Aug	31.4 °C	+1.2 °C	272 mm	-8 mm
Sep	30.0 °C	-0.4 °C	399 mm	+147 mm
Oct	31.2 °C	+0.6 °C	238 mm	+59 mm
Nov	30.8 °C	+0.5 °C	190 mm	+99 mm
Dec	30.3 °C	+0.8 °C	156 mm	+85 mm

The year's extremes

Hottest day

37.6 °C

25 Apr 2025

Coldest day

22.0 °C

15 Mar 2025

Wettest day

79.7 mm

17 Dec 2025

Windiest day

37.7 km/h

9 Nov 2025

Strongest gust

79.9 km/h

9 Nov 2025

Hottest feels-like

43.9 °C

15 Apr 2025

Coldest feels-like

24.1 °C

6 Dec 2025

Sunniest day

12.1 h

26 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 San Luis?

San Luis has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,557 mm of precipitation per year.

What is the hottest day ever recorded in San Luis?

The hottest day measured in San Luis between 1940 and 2025 was 10 May 1979, reaching 39.0 °C.

What is the coldest day in San Luis?

The coldest day measured in San Luis between 1940 and 2025 was 13 January 1971, at 16.6 °C.

Does it snow in San Luis?

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

Has the climate of San Luis warmed?

Yes: San Luis warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in San Luis?

The wettest day measured in San Luis between 1940 and 2025 was 14 July 2000, with 177 mm of rain in 24 hours.

What was the windiest day in San Luis?

The windiest day measured in San Luis between 1940 and 2025 was 26 December 1947, with winds reaching 70.8 km/h.

What is the warmest month in San Luis?

The warmest month in San Luis is May (29.2 °C on average); the coldest is January (25.2 °C).

How much does it rain in San Luis?

San Luis receives on average 1,557 mm of precipitation per year, spread over about 172 rainy days.

Is it sunny in San Luis?

San Luis gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in San Luis?

Yes: San Luis has on average 356 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in San Luis?

In San Luis, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 6 May 2020, and the lowest was 16.0 °C on 10 January 1971.

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