Alaminos climate — normals and trends
Alaminos (Philippines) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 2,060 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 (27.8 °C on average) and the coldest is January (24.4 °C). Rainfall peaks in July.
Alaminos averages 0 frost days, 173 hot days (≥ 30 °C) and 219 rainy days per year.
Alaminos has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.7 °C (on 28 May 1969) and the coldest 17.1 °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
AlaminosCalabarzon
- coords
- 14.06°, 121.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
29.8°C
Average daily low
23.2°C
Annual rainfall
2,060mm
Sunshine / day
10.4h
Mean relative humidity
83%
Average peak wind
15.1km/h
Seasonal range
3.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
173 d/yr
Rainy days (≥ 1 mm)
219 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.7 °C
Average feels-like low
27.1 °C
Average peak gust
38.6 km/h
Tropical nights (≥ 20 °C)
359 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.71 · p = < 0.001
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
36.7 °C
28 May 1969
Coldest day
17.1 °C
13 January 1971
Wettest day
354 mm
9 September 1982
Windiest day
57.8 km/h
21 November 1942
Strongest gust
158.8 km/h
3 December 2019
Hottest feels-like
44.9 °C
11 June 1995
Coldest feels-like
17.5 °C
10 January 1971
Sunniest day
12.3 h
9 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.3 °C | +0.7 °C | 119 mm | +78 mm |
| Feb | 28.8 °C | +0.2 °C | 99 mm | +67 mm |
| Mar | 30.2 °C | 0.0 °C | 52 mm | +15 mm |
| Apr | 33.3 °C | +1.3 °C | 24 mm | -21 mm |
| May | 33.3 °C | +1.1 °C | 137 mm | -15 mm |
| Jun | 31.2 °C | +0.2 °C | 365 mm | +114 mm |
| Jul | 29.7 °C | -0.2 °C | 383 mm | +34 mm |
| Aug | 30.8 °C | +1.1 °C | 529 mm | +213 mm |
| Sep | 29.4 °C | -0.4 °C | 444 mm | +106 mm |
| Oct | 30.4 °C | +0.9 °C | 350 mm | +105 mm |
| Nov | 29.9 °C | +1.1 °C | 245 mm | +113 mm |
| Dec | 29.1 °C | +1.2 °C | 98 mm | -23 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Alaminos?
Alaminos has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 2,060 mm of precipitation per year.
What is the hottest day ever recorded in Alaminos?
The hottest day measured in Alaminos between 1940 and 2025 was 28 May 1969, reaching 36.7 °C.
What is the coldest day in Alaminos?
The coldest day measured in Alaminos between 1940 and 2025 was 13 January 1971, at 17.1 °C.
Does it snow in Alaminos?
Almost never: Alaminos sees virtually no snow, with about 0 frost days per year.
Has the climate of Alaminos warmed?
Yes: Alaminos warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alaminos?
The wettest day measured in Alaminos between 1940 and 2025 was 9 September 1982, with 354 mm of rain in 24 hours.
What was the windiest day in Alaminos?
The windiest day measured in Alaminos between 1940 and 2025 was 21 November 1942, with winds reaching 57.8 km/h.
What is the warmest month in Alaminos?
The warmest month in Alaminos is May (27.8 °C on average); the coldest is January (24.4 °C).
How much does it rain in Alaminos?
Alaminos receives on average 2,060 mm of precipitation per year, spread over about 219 rainy days.
Is it sunny in Alaminos?
Alaminos gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Alaminos?
Yes: Alaminos has on average 359 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alaminos?
In Alaminos, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 11 June 1995, and the lowest was 17.5 °C on 10 January 1971.
Compare Alaminos with another city
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Nearby cities
The climate around Alaminos