Castillejos climate — normals and trends
Castillejos (Philippines) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 2,576 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 April (27.5 °C on average) and the coldest is January (24.3 °C). Rainfall peaks in August.
Castillejos averages 0 frost days, 149 hot days (≥ 30 °C) and 215 rainy days per year.
Castillejos 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 37.5 °C (on 10 May 1979) and the coldest 15.4 °C (on 8 December 1942).
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
CastillejosCentral Luzon
- coords
- 14.93°, 120.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
29.5°C
Average daily low
22.8°C
Annual rainfall
2,576mm
Sunshine / day
9.8h
Mean relative humidity
81%
Average peak wind
12.3km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
149 d/yr
Rainy days (≥ 1 mm)
215 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.5 °C
Average feels-like low
26.4 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
341 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.67 · 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
37.5 °C
10 May 1979
Coldest day
15.4 °C
8 December 1942
Wettest day
299 mm
16 December 2015
Windiest day
54.8 km/h
21 November 1942
Strongest gust
149.4 km/h
30 June 1964
Hottest feels-like
42.7 °C
6 May 2024
Coldest feels-like
14.1 °C
10 January 1971
Sunniest day
12.3 h
7 July 1952
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 | 29.4 °C | +0.8 °C | 51 mm | +28 mm |
| Feb | 29.9 °C | +0.2 °C | 79 mm | +56 mm |
| Mar | 31.8 °C | +0.7 °C | 47 mm | +12 mm |
| Apr | 33.0 °C | +0.9 °C | 46 mm | -14 mm |
| May | 32.2 °C | +1.0 °C | 207 mm | +4 mm |
| Jun | 29.8 °C | +0.4 °C | 535 mm | +149 mm |
| Jul | 27.7 °C | -0.8 °C | 783 mm | +282 mm |
| Aug | 29.6 °C | +1.5 °C | 414 mm | -103 mm |
| Sep | 28.8 °C | +0.3 °C | 696 mm | +303 mm |
| Oct | 30.1 °C | +0.9 °C | 391 mm | +134 mm |
| Nov | 29.8 °C | +0.6 °C | 218 mm | +107 mm |
| Dec | 29.5 °C | +0.9 °C | 92 mm | +26 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 Castillejos?
Castillejos has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 2,576 mm of precipitation per year.
What is the hottest day ever recorded in Castillejos?
The hottest day measured in Castillejos between 1940 and 2025 was 10 May 1979, reaching 37.5 °C.
What is the coldest day in Castillejos?
The coldest day measured in Castillejos between 1940 and 2025 was 8 December 1942, at 15.4 °C.
Does it snow in Castillejos?
Almost never: Castillejos sees virtually no snow, with about 0 frost days per year.
Has the climate of Castillejos warmed?
Yes: Castillejos warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Castillejos?
The wettest day measured in Castillejos between 1940 and 2025 was 16 December 2015, with 299 mm of rain in 24 hours.
What was the windiest day in Castillejos?
The windiest day measured in Castillejos between 1940 and 2025 was 21 November 1942, with winds reaching 54.8 km/h.
What is the warmest month in Castillejos?
The warmest month in Castillejos is April (27.5 °C on average); the coldest is January (24.3 °C).
How much does it rain in Castillejos?
Castillejos receives on average 2,576 mm of precipitation per year, spread over about 215 rainy days.
Is it sunny in Castillejos?
Castillejos gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Castillejos?
Yes: Castillejos has on average 341 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Castillejos?
In Castillejos, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 6 May 2024, and the lowest was 14.1 °C on 10 January 1971.
Compare Castillejos with another city
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Nearby cities
The climate around Castillejos