Santiago climate — normals and trends
Santiago (Philippines) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 1,540 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 (28.7 °C on average) and the coldest is January (23.0 °C). Rainfall peaks in September.
Santiago averages 0 frost days, 217 hot days (≥ 30 °C) and 199 rainy days per year.
Santiago has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.6 °C (on 17 July 1952) and the coldest 13.1 °C (on 2 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
SantiagoCagayan Valley
- coords
- 16.69°, 121.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
30.7°C
Average daily low
22.6°C
Annual rainfall
1,540mm
Sunshine / day
9.1h
Mean relative humidity
80%
Average peak wind
8.1km/h
Seasonal range
5.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
217 d/yr
Rainy days (≥ 1 mm)
199 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
26.6 °C
Average peak gust
22.5 km/h
Tropical nights (≥ 20 °C)
325 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
41.6 °C
17 July 1952
Coldest day
13.1 °C
2 March 1963
Wettest day
218 mm
11 November 2010
Windiest day
64.0 km/h
22 July 2003
Strongest gust
135.7 km/h
8 November 1954
Hottest feels-like
46.4 °C
24 May 1969
Coldest feels-like
12.3 °C
2 March 1963
Sunniest day
12.6 h
7 June 1942
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 26.7 °C | +0.3 °C | 82 mm | +24 mm |
| Feb | 27.5 °C | 0.0 °C | 115 mm | +68 mm |
| Mar | 29.5 °C | -0.2 °C | 126 mm | +71 mm |
| Apr | 32.7 °C | +0.3 °C | 60 mm | -4 mm |
| May | 33.9 °C | -0.1 °C | 192 mm | +57 mm |
| Jun | 33.7 °C | -0.4 °C | 202 mm | +72 mm |
| Jul | 32.4 °C | -0.8 °C | 418 mm | +230 mm |
| Aug | 32.2 °C | -0.4 °C | 276 mm | +73 mm |
| Sep | 30.7 °C | -1.2 °C | 373 mm | +168 mm |
| Oct | 31.5 °C | +1.2 °C | 272 mm | +96 mm |
| Nov | 29.8 °C | +1.0 °C | 306 mm | +153 mm |
| Dec | 27.8 °C | +0.9 °C | 266 mm | +139 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 Santiago?
Santiago has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 1,540 mm of precipitation per year.
What is the hottest day ever recorded in Santiago?
The hottest day measured in Santiago between 1940 and 2025 was 17 July 1952, reaching 41.6 °C.
What is the coldest day in Santiago?
The coldest day measured in Santiago between 1940 and 2025 was 2 March 1963, at 13.1 °C.
Does it snow in Santiago?
Almost never: Santiago sees virtually no snow, with about 0 frost days per year.
Has the climate of Santiago warmed?
Yes: Santiago warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Santiago?
The wettest day measured in Santiago between 1940 and 2025 was 11 November 2010, with 218 mm of rain in 24 hours.
What was the windiest day in Santiago?
The windiest day measured in Santiago between 1940 and 2025 was 22 July 2003, with winds reaching 64.0 km/h.
What is the warmest month in Santiago?
The warmest month in Santiago is June (28.7 °C on average); the coldest is January (23.0 °C).
How much does it rain in Santiago?
Santiago receives on average 1,540 mm of precipitation per year, spread over about 199 rainy days.
Is it sunny in Santiago?
Santiago gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Santiago?
Yes: Santiago has on average 325 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santiago?
In Santiago, between 1940 and 2025, the highest apparent temperature reached 46.4 °C on 24 May 1969, and the lowest was 12.3 °C on 2 March 1963.
Compare Santiago with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santiago