Batac City climate — normals and trends

Q: What is the climate of Batac City?

Batac City has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 2,153 mm of precipitation per year.

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

The hottest day measured in Batac City between 1940 and 2025 was 9 May 2003, reaching 34.0 °C.

Q: What is the coldest day in Batac City?

The coldest day measured in Batac City between 1940 and 2025 was 20 January 1961, at 17.5 °C.

Q: Does it snow in Batac City?

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

Q: Has the climate of Batac City warmed?

Yes: Batac City warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Batac City?

The wettest day measured in Batac City between 1940 and 2025 was 24 October 1987, with 424 mm of rain in 24 hours.

Q: What was the windiest day in Batac City?

The windiest day measured in Batac City between 1940 and 2025 was 5 July 2001, with winds reaching 90.5 km/h.

Q: What is the warmest month in Batac City?

The warmest month in Batac City is May (27.7 °C on average); the coldest is January (24.4 °C).

Q: How much does it rain in Batac City?

Batac City receives on average 2,153 mm of precipitation per year, spread over about 167 rainy days.

Q: Is it sunny in Batac City?

Batac City gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Batac City (Philippines) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 2,153 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 (27.7 °C on average) and the coldest is January (24.4 °C). Rainfall peaks in August.

Batac City averages 0 frost days, 86 hot days (≥ 30 °C) and 167 rainy days per year.

Batac City has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.0 °C (on 9 May 2003) and the coldest 17.5 °C (on 20 January 1961).

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

Batac CityIlocos

coords: 18.06°, 120.56°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthJanuaryWettest monthAugustDriest monthFebruary

Mean daily temperature

26.4°C

Average daily high

28.9°C

Average daily low

24.2°C

Annual rainfall

2,153mm

Sunshine / day

10.3h

Mean relative humidity

78%

Average peak wind

19.0km/h

Seasonal range

3.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

86 d/yr

Rainy days (≥ 1 mm)

167 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.2 °C

Average feels-like low

26.9 °C

Average peak gust

35.5 km/h

Tropical nights (≥ 20 °C)

360 d/yr

Solar radiation

19.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °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

34.0 °C

9 May 2003

Coldest day

17.5 °C

20 January 1961

Wettest day

424 mm

24 October 1987

Windiest day

90.5 km/h

5 July 2001

Strongest gust

175.7 km/h

20 October 2016

Hottest feels-like

41.4 °C

26 June 1971

Coldest feels-like

13.2 °C

5 March 1977

Sunniest day

12.7 h

18 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.7 °C29 March 2025	21.7 °C29 January 2025	27.3 °C	3,281 mm	151
2024	32.3 °C29 April 2024	20.4 °C27 January 2024	27.5 °C	2,731 mm	174
2023	33.6 °C24 April 2023	20.7 °C26 January 2023	27.4 °C	2,717 mm	176
2022	32.9 °C29 March 2022	20.2 °C26 December 2022	27.3 °C	1,857 mm	174
2021	32.7 °C3 June 2021	19.5 °C20 February 2021	27.1 °C	2,088 mm	172
2020	32.3 °C11 March 2020	19.7 °C4 February 2020	27.2 °C	1,503 mm	165
2019	32.1 °C3 June 2019	19.9 °C30 January 2019	26.9 °C	2,522 mm	108
2018	32.6 °C6 March 2018	20.5 °C6 February 2018	27.0 °C	2,944 mm	144
2017	32.0 °C13 September 2017	20.5 °C15 February 2017	27.2 °C	1,751 mm	171
2016	32.7 °C4 May 2016	20.5 °C25 January 2016	27.1 °C	2,929 mm	147
2015	32.1 °C5 October 2015	20.2 °C26 January 2015	26.8 °C	2,549 mm	143
2014	32.6 °C6 May 2014	18.5 °C25 January 2014	26.7 °C	2,078 mm	133
2013	32.7 °C21 April 2013	20.4 °C17 January 2013	27.0 °C	2,221 mm	143
2012	32.4 °C21 March 2012	21.0 °C25 January 2012	26.9 °C	2,569 mm	121
2011	32.9 °C4 May 2011	19.7 °C2 February 2011	26.6 °C	2,616 mm	100
2010	32.7 °C14 July 2010	20.4 °C14 January 2010	27.0 °C	2,072 mm	141
2009	32.0 °C28 February 2009	18.3 °C15 January 2009	26.6 °C	2,833 mm	90
2008	33.5 °C22 June 2008	20.3 °C6 March 2008	26.8 °C	2,304 mm	122
2007	33.7 °C26 April 2007	19.3 °C30 January 2007	26.8 °C	1,812 mm	126
2006	33.9 °C12 May 2006	21.1 °C11 February 2006	26.9 °C	1,945 mm	140
2005	32.4 °C19 May 2005	19.7 °C24 December 2005	26.7 °C	1,606 mm	124
2004	33.1 °C12 November 2004	19.8 °C17 February 2004	26.5 °C	2,116 mm	88
2003	34.0 °C9 May 2003	20.0 °C31 January 2003	26.4 °C	2,190 mm	90
2002	32.4 °C18 March 2002	19.1 °C10 January 2002	26.6 °C	2,463 mm	113
2001	32.6 °C25 October 2001	19.9 °C2 January 2001	26.6 °C	2,735 mm	100
2000	33.6 °C6 April 2000	20.0 °C29 January 2000	26.7 °C	2,144 mm	108
1999	32.9 °C28 March 1999	19.3 °C23 December 1999	26.6 °C	2,219 mm	95
1998	32.9 °C12 October 1998	20.1 °C4 January 1998	27.0 °C	2,201 mm	164
1997	31.8 °C17 October 1997	19.9 °C2 January 1997	26.1 °C	1,603 mm	46
1996	32.4 °C2 November 1996	18.1 °C12 February 1996	26.4 °C	2,056 mm	108
1995	31.7 °C3 June 1995	19.2 °C31 December 1995	26.3 °C	2,604 mm	74
1994	32.0 °C15 March 1994	20.6 °C14 January 1994	26.5 °C	2,432 mm	83
1993	32.0 °C10 May 1993	18.9 °C2 February 1993	26.4 °C	1,829 mm	94
1992	31.7 °C25 June 1992	19.0 °C27 January 1992	26.3 °C	2,088 mm	68
1991	32.9 °C10 July 1991	19.8 °C6 December 1991	26.4 °C	2,835 mm	76
1990	32.6 °C16 May 1990	20.8 °C21 January 1990	26.6 °C	2,871 mm	92
1989	32.6 °C15 May 1989	19.1 °C10 March 1989	26.3 °C	2,472 mm	101
1988	32.6 °C12 May 1988	18.4 °C14 December 1988	26.7 °C	2,594 mm	100
1987	32.6 °C13 August 1987	18.5 °C14 January 1987	26.6 °C	1,828 mm	101
1986	31.6 °C7 April 1986	19.0 °C9 January 1986	26.1 °C	2,742 mm	48
1985	33.3 °C17 May 1985	18.9 °C25 December 1985	26.1 °C	3,138 mm	81
1984	31.7 °C2 April 1984	19.1 °C4 January 1984	26.1 °C	2,270 mm	52
1983	32.3 °C23 June 1983	19.5 °C20 February 1983	26.3 °C	1,313 mm	97
1982	32.2 °C23 August 1982	19.5 °C21 January 1982	26.2 °C	1,967 mm	69
1981	32.3 °C14 September 1981	18.7 °C21 January 1981	26.1 °C	2,476 mm	72
1980	32.8 °C30 June 1980	18.4 °C25 December 1980	26.4 °C	1,941 mm	85
1979	32.8 °C17 April 1979	19.3 °C17 December 1979	26.2 °C	1,900 mm	88
1978	32.2 °C12 May 1978	18.5 °C24 January 1978	26.3 °C	2,545 mm	78
1977	32.0 °C5 May 1977	18.0 °C5 March 1977	26.2 °C	2,200 mm	90
1976	32.0 °C17 May 1976	18.9 °C8 February 1976	25.9 °C	2,088 mm	59
1975	32.8 °C16 April 1975	18.7 °C30 December 1975	26.3 °C	1,884 mm	99
1974	32.9 °C10 May 1974	18.5 °C15 January 1974	26.1 °C	2,623 mm	61
1973	32.5 °C13 April 1973	18.4 °C25 December 1973	26.5 °C	1,813 mm	106
1972	32.4 °C4 November 1972	18.4 °C6 March 1972	26.0 °C	3,109 mm	64
1971	32.9 °C27 May 1971	17.8 °C11 January 1971	25.8 °C	1,824 mm	47
1970	31.8 °C24 May 1970	18.3 °C1 February 1970	26.5 °C	2,158 mm	89
1969	31.3 °C22 March 1969	19.3 °C10 February 1969	26.2 °C	2,185 mm	62
1968	31.4 °C15 June 1968	19.0 °C18 January 1968	25.8 °C	2,099 mm	59
1967	31.4 °C24 August 1967	18.2 °C16 January 1967	25.7 °C	1,833 mm	44
1966	33.0 °C16 May 1966	20.9 °C13 January 1966	26.2 °C	1,371 mm	55
1965	32.2 °C11 April 1965	19.0 °C8 January 1965	25.7 °C	1,196 mm	38
1964	31.5 °C15 May 1964	20.1 °C8 February 1964	25.9 °C	1,747 mm	49
1963	31.3 °C26 April 1963	17.5 °C1 March 1963	25.6 °C	1,953 mm	39
1962	31.4 °C15 May 1962	18.1 °C3 February 1962	26.0 °C	1,790 mm	47
1961	32.0 °C13 May 1961	17.5 °C20 January 1961	25.9 °C	2,065 mm	47
1960	32.0 °C1 July 1960	20.3 °C16 January 1960	26.4 °C	1,590 mm	81
1959	32.2 °C11 May 1959	18.8 °C19 January 1959	26.2 °C	1,194 mm	65
1958	33.8 °C28 April 1958	19.8 °C14 February 1958	26.1 °C	2,319 mm	70
1957	32.2 °C26 May 1957	18.6 °C25 November 1957	26.1 °C	2,113 mm	73
1956	33.0 °C9 April 1956	19.0 °C7 January 1956	26.0 °C	2,366 mm	35
1955	33.3 °C27 April 1955	18.2 °C22 February 1955	26.1 °C	1,401 mm	78
1954	32.7 °C4 May 1954	20.1 °C26 November 1954	26.5 °C	1,559 mm	97
1953	32.3 °C4 March 1953	20.2 °C17 January 1953	26.4 °C	1,454 mm	86
1952	31.8 °C13 April 1952	20.6 °C5 January 1952	26.5 °C	1,502 mm	92
1951	32.4 °C6 May 1951	20.5 °C15 December 1951	26.4 °C	1,637 mm	67
1950	32.7 °C21 May 1950	19.9 °C14 December 1950	25.9 °C	2,147 mm	44
1949	32.0 °C17 September 1949	19.0 °C20 January 1949	26.2 °C	2,111 mm	73
1948	31.2 °C23 March 1948	18.5 °C5 January 1948	25.5 °C	2,091 mm	17
1947	32.1 °C19 June 1947	19.9 °C8 February 1947	25.8 °C	1,576 mm	29
1946	32.4 °C27 March 1946	19.6 °C3 February 1946	25.8 °C	2,707 mm	38
1945	31.4 °C28 February 1945	20.1 °C18 January 1945	25.8 °C	1,505 mm	21
1944	30.9 °C16 October 1944	19.4 °C8 January 1944	25.4 °C	2,990 mm	14
1943	30.0 °C1 April 1943	18.1 °C29 January 1943	24.7 °C	2,094 mm	1
1942	31.3 °C1 April 1942	18.5 °C8 December 1942	25.4 °C	1,486 mm	17
1941	30.8 °C8 April 1941	18.6 °C6 February 1941	25.6 °C	2,589 mm	26
1940	30.1 °C12 May 1940	18.6 °C22 January 1940	25.1 °C	2,275 mm	6

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

29.5 °C

+0.6 °C

Hot days (≥ 30 °C)

151 d/yr

+65

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3281 mm

+1128 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.3 °C	+0.7 °C	40 mm	+29 mm
Feb	29.2 °C	+1.0 °C	15 mm	+7 mm
Mar	30.3 °C	+1.0 °C	9 mm	-3 mm
Apr	31.0 °C	+1.0 °C	9 mm	-27 mm
May	30.7 °C	+0.8 °C	251 mm	+83 mm
Jun	29.7 °C	+0.4 °C	398 mm	+39 mm
Jul	28.1 °C	-0.6 °C	1264 mm	+808 mm
Aug	29.3 °C	+1.0 °C	364 mm	-145 mm
Sep	29.4 °C	+0.8 °C	606 mm	+252 mm
Oct	30.4 °C	+1.1 °C	145 mm	+0 mm
Nov	29.4 °C	+0.4 °C	159 mm	+92 mm
Dec	28.7 °C	+0.7 °C	20 mm	-6 mm

The year's extremes

Hottest day

33.7 °C

29 Mar 2025

Coldest day

21.7 °C

29 Jan 2025

Wettest day

179.9 mm

22 Sep 2025

Windiest day

60.0 km/h

11 Nov 2025

Strongest gust

118.8 km/h

22 Sep 2025

Hottest feels-like

40.5 °C

27 Sep 2025

Coldest feels-like

19.3 °C

29 Jan 2025

Sunniest day

12.3 h

16 Jun 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 Batac City?

Batac City has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 2,153 mm of precipitation per year.

What is the hottest day ever recorded in Batac City?

The hottest day measured in Batac City between 1940 and 2025 was 9 May 2003, reaching 34.0 °C.

What is the coldest day in Batac City?

The coldest day measured in Batac City between 1940 and 2025 was 20 January 1961, at 17.5 °C.

Does it snow in Batac City?

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

Has the climate of Batac City warmed?

Yes: Batac City warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Batac City?

The wettest day measured in Batac City between 1940 and 2025 was 24 October 1987, with 424 mm of rain in 24 hours.

What was the windiest day in Batac City?

The windiest day measured in Batac City between 1940 and 2025 was 5 July 2001, with winds reaching 90.5 km/h.

What is the warmest month in Batac City?

The warmest month in Batac City is May (27.7 °C on average); the coldest is January (24.4 °C).

How much does it rain in Batac City?

Batac City receives on average 2,153 mm of precipitation per year, spread over about 167 rainy days.

Is it sunny in Batac City?

Batac City gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Are there tropical nights in Batac City?

Yes: Batac City has on average 360 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Batac City?

In Batac City, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 26 June 1971, and the lowest was 13.2 °C on 5 March 1977.

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