Aparri climate — normals and trends

Q: What is the climate of Aparri?

Aparri has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,088 mm of precipitation per year.

Q: What is the hottest day ever recorded in Aparri?

The hottest day measured in Aparri between 1940 and 2025 was 30 April 2024, reaching 35.5 °C.

Q: What is the coldest day in Aparri?

The coldest day measured in Aparri between 1940 and 2025 was 3 March 1963, at 16.9 °C.

Q: Does it snow in Aparri?

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

Q: Has the climate of Aparri warmed?

Yes: Aparri warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Aparri?

The wettest day measured in Aparri between 1940 and 2025 was 30 June 2004, with 342 mm of rain in 24 hours.

Q: What was the windiest day in Aparri?

The windiest day measured in Aparri between 1940 and 2025 was 27 October 1991, with winds reaching 91.4 km/h.

Q: What is the warmest month in Aparri?

The warmest month in Aparri is June (28.2 °C on average); the coldest is January (23.0 °C).

Q: How much does it rain in Aparri?

Aparri receives on average 2,088 mm of precipitation per year, spread over about 236 rainy days.

Q: Is it sunny in Aparri?

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

Aparri (Philippines) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,088 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 June (28.2 °C on average) and the coldest is January (23.0 °C). Rainfall peaks in November.

Aparri averages 0 frost days, 146 hot days (≥ 30 °C) and 236 rainy days per year.

Aparri has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.5 °C (on 30 April 2024) and the coldest 16.9 °C (on 3 March 1963).

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

AparriCagayan Valley

coords: 18.36°, 121.64°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthJuneColdest monthJanuaryWettest monthNovemberDriest monthApril

Mean daily temperature

26.1°C

Average daily high

28.8°C

Average daily low

23.9°C

Annual rainfall

2,088mm

Sunshine / day

9.8h

Mean relative humidity

82%

Average peak wind

17.5km/h

Seasonal range

5.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

146 d/yr

Rainy days (≥ 1 mm)

236 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.5 °C

Average feels-like low

27.4 °C

Average peak gust

32.4 km/h

Tropical nights (≥ 20 °C)

354 d/yr

Solar radiation

18.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °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

35.5 °C

30 April 2024

Coldest day

16.9 °C

3 March 1963

Wettest day

342 mm

30 June 2004

Windiest day

91.4 km/h

27 October 1991

Strongest gust

176.0 km/h

15 September 2018

Hottest feels-like

43.6 °C

16 June 2010

Coldest feels-like

13.9 °C

5 March 1977

Sunniest day

12.8 h

23 June 1959

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.7 °C22 May 2025	20.4 °C29 January 2025	26.7 °C	3,550 mm	172
2024	35.5 °C30 April 2024	19.9 °C27 January 2024	27.1 °C	3,085 mm	193
2023	34.0 °C22 June 2023	19.9 °C28 January 2023	26.8 °C	2,492 mm	176
2022	33.6 °C18 June 2022	20.0 °C14 January 2022	26.7 °C	2,683 mm	172
2021	34.8 °C3 June 2021	19.1 °C20 February 2021	26.8 °C	1,814 mm	169
2020	34.3 °C5 May 2020	19.5 °C31 January 2020	26.8 °C	2,098 mm	179
2019	33.9 °C7 June 2019	19.6 °C30 January 2019	26.7 °C	2,728 mm	155
2018	33.8 °C31 May 2018	19.5 °C13 January 2018	26.5 °C	1,792 mm	152
2017	34.4 °C14 June 2017	19.3 °C12 February 2017	26.6 °C	2,272 mm	175
2016	34.1 °C10 May 2016	19.5 °C25 January 2016	26.9 °C	2,524 mm	184
2015	35.0 °C23 June 2015	18.9 °C25 January 2015	26.4 °C	2,129 mm	158
2014	34.5 °C1 June 2014	16.9 °C25 January 2014	26.2 °C	1,669 mm	148
2013	33.9 °C4 June 2013	20.1 °C19 January 2013	26.5 °C	2,058 mm	166
2012	33.9 °C25 April 2012	20.8 °C25 January 2012	26.6 °C	2,400 mm	170
2011	34.0 °C16 June 2011	19.1 °C2 February 2011	26.1 °C	3,009 mm	136
2010	34.8 °C23 May 2010	19.4 °C14 January 2010	26.7 °C	2,140 mm	207
2009	33.4 °C10 August 2009	18.1 °C15 January 2009	26.1 °C	2,678 mm	138
2008	33.4 °C10 June 2008	20.0 °C10 February 2008	26.3 °C	2,621 mm	162
2007	33.6 °C24 April 2007	19.2 °C3 February 2007	26.5 °C	2,068 mm	162
2006	35.0 °C9 June 2006	20.3 °C11 January 2006	26.7 °C	1,968 mm	182
2005	34.0 °C5 May 2005	18.7 °C16 January 2005	26.2 °C	1,994 mm	155
2004	34.0 °C20 June 2004	19.9 °C26 January 2004	26.1 °C	2,251 mm	141
2003	33.6 °C7 May 2003	19.7 °C31 January 2003	26.2 °C	1,790 mm	158
2002	34.6 °C14 May 2002	18.7 °C5 January 2002	26.4 °C	1,715 mm	172
2001	33.7 °C14 June 2001	19.5 °C30 December 2001	26.3 °C	2,306 mm	157
2000	33.1 °C30 April 2000	19.7 °C28 January 2000	26.3 °C	2,416 mm	138
1999	32.8 °C8 June 1999	18.7 °C4 February 1999	26.2 °C	2,871 mm	154
1998	34.4 °C17 May 1998	20.2 °C2 January 1998	27.1 °C	1,724 mm	210
1997	33.5 °C14 May 1997	18.7 °C7 March 1997	25.9 °C	1,882 mm	145
1996	33.3 °C18 June 1996	17.2 °C12 February 1996	26.0 °C	2,068 mm	157
1995	33.9 °C1 May 1995	18.3 °C6 February 1995	26.0 °C	2,360 mm	156
1994	34.4 °C26 May 1994	20.4 °C14 January 1994	26.1 °C	1,509 mm	119
1993	34.0 °C22 May 1993	18.4 °C29 January 1993	26.1 °C	1,974 mm	150
1992	33.5 °C6 May 1992	18.7 °C15 January 1992	26.0 °C	2,014 mm	141
1991	35.0 °C16 June 1991	19.8 °C24 February 1991	26.2 °C	2,123 mm	144
1990	34.7 °C18 May 1990	19.5 °C19 January 1990	26.2 °C	2,292 mm	156
1989	33.7 °C13 May 1989	19.1 °C10 March 1989	26.1 °C	1,902 mm	151
1988	34.0 °C7 May 1988	19.9 °C8 December 1988	26.5 °C	2,330 mm	180
1987	34.2 °C24 June 1987	18.0 °C6 February 1987	26.3 °C	1,969 mm	176
1986	33.3 °C13 May 1986	18.4 °C3 March 1986	25.8 °C	2,254 mm	146
1985	34.0 °C27 May 1985	18.3 °C12 January 1985	25.9 °C	2,287 mm	115
1984	33.4 °C1 April 1984	18.8 °C2 January 1984	25.9 °C	1,958 mm	151
1983	34.4 °C3 June 1983	19.6 °C19 December 1983	26.5 °C	1,412 mm	191
1982	33.3 °C19 June 1982	18.2 °C21 January 1982	25.8 °C	1,980 mm	131
1981	33.8 °C10 April 1981	17.7 °C19 January 1981	25.9 °C	2,058 mm	155
1980	34.1 °C3 July 1980	17.6 °C26 December 1980	26.1 °C	2,419 mm	144
1979	34.4 °C10 May 1979	18.8 °C17 January 1979	26.0 °C	1,801 mm	161
1978	34.8 °C18 May 1978	17.5 °C24 January 1978	26.1 °C	2,174 mm	156
1977	34.0 °C14 May 1977	17.6 °C5 March 1977	25.9 °C	1,933 mm	159
1976	33.3 °C1 May 1976	18.3 °C7 February 1976	25.6 °C	2,047 mm	142
1975	34.6 °C16 May 1975	18.6 °C23 February 1975	26.2 °C	1,797 mm	185
1974	33.7 °C25 May 1974	18.1 °C15 January 1974	26.0 °C	2,086 mm	167
1973	35.0 °C8 May 1973	18.4 °C24 December 1973	26.5 °C	1,868 mm	198
1972	33.6 °C5 June 1972	17.6 °C6 March 1972	25.8 °C	1,628 mm	131
1971	33.9 °C27 June 1971	17.6 °C11 January 1971	25.6 °C	2,631 mm	144
1970	35.0 °C25 May 1970	18.1 °C2 February 1970	26.3 °C	1,883 mm	164
1969	34.8 °C12 May 1969	18.6 °C6 February 1969	26.3 °C	1,624 mm	170
1968	34.2 °C25 May 1968	17.9 °C18 January 1968	25.7 °C	1,317 mm	159
1967	35.2 °C30 May 1967	17.4 °C8 February 1967	25.6 °C	1,875 mm	143
1966	33.9 °C27 April 1966	20.1 °C4 January 1966	26.2 °C	1,557 mm	147
1965	32.8 °C14 May 1965	18.3 °C12 January 1965	25.5 °C	1,208 mm	112
1964	33.6 °C6 May 1964	19.7 °C22 January 1964	25.6 °C	2,076 mm	135
1963	34.6 °C18 May 1963	16.9 °C3 March 1963	25.3 °C	1,744 mm	138
1962	33.7 °C14 May 1962	17.5 °C3 February 1962	25.8 °C	1,518 mm	143
1961	34.1 °C11 June 1961	17.6 °C20 January 1961	25.8 °C	1,603 mm	132
1960	34.1 °C25 May 1960	18.8 °C7 February 1960	26.3 °C	1,880 mm	156
1959	34.5 °C17 June 1959	18.0 °C19 January 1959	26.1 °C	1,615 mm	160
1958	34.2 °C18 May 1958	18.5 °C14 February 1958	25.9 °C	1,732 mm	146
1957	33.9 °C10 May 1957	18.7 °C14 February 1957	25.8 °C	2,380 mm	133
1956	34.1 °C9 June 1956	19.3 °C9 January 1956	25.7 °C	2,397 mm	144
1955	33.9 °C21 May 1955	18.3 °C22 February 1955	25.8 °C	2,114 mm	141
1954	34.5 °C21 May 1954	19.7 °C30 January 1954	26.2 °C	2,440 mm	161
1953	33.1 °C4 July 1953	19.9 °C6 January 1953	26.2 °C	1,945 mm	140
1952	34.3 °C5 July 1952	19.7 °C22 January 1952	26.2 °C	2,137 mm	153
1951	33.8 °C15 June 1951	19.5 °C5 February 1951	26.0 °C	1,867 mm	150
1950	33.0 °C30 July 1950	19.5 °C22 January 1950	25.8 °C	2,076 mm	147
1949	34.0 °C9 July 1949	18.2 °C18 January 1949	25.9 °C	2,000 mm	140
1948	32.3 °C7 May 1948	18.5 °C18 January 1948	25.2 °C	1,938 mm	82
1947	32.7 °C12 June 1947	19.1 °C7 February 1947	25.3 °C	2,200 mm	89
1946	32.0 °C12 July 1946	19.0 °C3 February 1946	25.3 °C	2,805 mm	72
1945	32.1 °C28 May 1945	19.4 °C18 January 1945	25.2 °C	2,063 mm	76
1944	31.4 °C21 June 1944	18.5 °C7 March 1944	24.9 °C	2,462 mm	36
1943	30.9 °C12 June 1943	17.9 °C23 January 1943	24.4 °C	1,687 mm	22
1942	32.7 °C15 August 1942	18.5 °C28 December 1942	25.2 °C	1,742 mm	87
1941	32.3 °C10 June 1941	18.0 °C5 February 1941	25.3 °C	1,743 mm	69
1940	31.6 °C29 April 1940	18.2 °C20 January 1940	24.8 °C	2,322 mm	58

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

29.1 °C

+0.3 °C

Hot days (≥ 30 °C)

172 d/yr

+26

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3550 mm

+1462 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	25.0 °C	-0.2 °C	313 mm	+195 mm
Feb	25.6 °C	-0.4 °C	151 mm	+62 mm
Mar	28.0 °C	+0.2 °C	190 mm	+130 mm
Apr	30.1 °C	0.0 °C	64 mm	+8 mm
May	32.2 °C	+0.7 °C	207 mm	+70 mm
Jun	31.9 °C	+0.3 °C	202 mm	+20 mm
Jul	30.6 °C	-0.4 °C	406 mm	+174 mm
Aug	30.7 °C	+0.2 °C	254 mm	+19 mm
Sep	30.0 °C	+0.1 °C	505 mm	+263 mm
Oct	30.0 °C	+1.4 °C	214 mm	-34 mm
Nov	28.2 °C	+0.8 °C	504 mm	+245 mm
Dec	26.4 °C	+0.6 °C	540 mm	+310 mm

The year's extremes

Hottest day

33.7 °C

22 May 2025

Coldest day

20.4 °C

29 Jan 2025

Wettest day

218.9 mm

22 Sep 2025

Windiest day

57.7 km/h

22 Sep 2025

Strongest gust

139.0 km/h

22 Sep 2025

Hottest feels-like

42.2 °C

23 May 2025

Coldest feels-like

18.9 °C

29 Jan 2025

Sunniest day

12.6 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 Aparri?

Aparri has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,088 mm of precipitation per year.

What is the hottest day ever recorded in Aparri?

The hottest day measured in Aparri between 1940 and 2025 was 30 April 2024, reaching 35.5 °C.

What is the coldest day in Aparri?

The coldest day measured in Aparri between 1940 and 2025 was 3 March 1963, at 16.9 °C.

Does it snow in Aparri?

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

Has the climate of Aparri warmed?

Yes: Aparri warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Aparri?

The wettest day measured in Aparri between 1940 and 2025 was 30 June 2004, with 342 mm of rain in 24 hours.

What was the windiest day in Aparri?

The windiest day measured in Aparri between 1940 and 2025 was 27 October 1991, with winds reaching 91.4 km/h.

What is the warmest month in Aparri?

The warmest month in Aparri is June (28.2 °C on average); the coldest is January (23.0 °C).

How much does it rain in Aparri?

Aparri receives on average 2,088 mm of precipitation per year, spread over about 236 rainy days.

Is it sunny in Aparri?

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

Are there tropical nights in Aparri?

Yes: Aparri has on average 354 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Aparri?

In Aparri, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 16 June 2010, and the lowest was 13.9 °C on 5 March 1977.

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