San Jose climate — normals and trends
San Jose (Philippines) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 2,525 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 August (27.4 °C on average) and the coldest is January (25.6 °C). Rainfall peaks in December.
San Jose averages 0 frost days, 1 hot days (≥ 30 °C) and 289 rainy days per year.
San Jose has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.1 °C (on 21 September 1998) and the coldest 22.4 °C (on 7 February 1976).
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
San JoseCaraga
- coords
- 10.18°, 125.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.6°C
Average daily high
27.4°C
Average daily low
25.8°C
Annual rainfall
2,525mm
Sunshine / day
10.3h
Mean relative humidity
84%
Average peak wind
23.8km/h
Seasonal range
1.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
289 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.4 °C
Average feels-like low
28.6 °C
Average peak gust
34.0 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.69 · 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
31.1 °C
21 September 1998
Coldest day
22.4 °C
7 February 1976
Wettest day
440 mm
12 July 1970
Windiest day
92.0 km/h
16 December 2021
Strongest gust
159.1 km/h
24 January 1975
Hottest feels-like
37.9 °C
2 June 2010
Coldest feels-like
18.2 °C
24 January 1975
Sunniest day
12.6 h
30 May 1940
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 | 27.6 °C | +1.2 °C | 338 mm | -21 mm |
| Feb | 27.2 °C | +0.9 °C | 418 mm | +160 mm |
| Mar | 27.5 °C | +0.9 °C | 372 mm | +167 mm |
| Apr | 28.1 °C | +0.9 °C | 137 mm | -14 mm |
| May | 28.3 °C | +0.3 °C | 323 mm | +180 mm |
| Jun | 28.6 °C | +0.4 °C | 233 mm | +73 mm |
| Jul | 29.2 °C | +1.0 °C | 133 mm | -24 mm |
| Aug | 28.5 °C | +0.2 °C | 293 mm | +174 mm |
| Sep | 28.7 °C | +0.5 °C | 185 mm | +57 mm |
| Oct | 28.2 °C | +0.5 °C | 367 mm | +186 mm |
| Nov | 28.2 °C | +0.9 °C | 522 mm | +236 mm |
| Dec | 27.7 °C | +0.9 °C | 365 mm | -13 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 San Jose?
San Jose has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 2,525 mm of precipitation per year.
What is the hottest day ever recorded in San Jose?
The hottest day measured in San Jose between 1940 and 2025 was 21 September 1998, reaching 31.1 °C.
What is the coldest day in San Jose?
The coldest day measured in San Jose between 1940 and 2025 was 7 February 1976, at 22.4 °C.
Does it snow in San Jose?
Almost never: San Jose sees virtually no snow, with about 0 frost days per year.
Has the climate of San Jose warmed?
Yes: San Jose warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in San Jose?
The wettest day measured in San Jose between 1940 and 2025 was 12 July 1970, with 440 mm of rain in 24 hours.
What was the windiest day in San Jose?
The windiest day measured in San Jose between 1940 and 2025 was 16 December 2021, with winds reaching 92.0 km/h.
What is the warmest month in San Jose?
The warmest month in San Jose is August (27.4 °C on average); the coldest is January (25.6 °C).
How much does it rain in San Jose?
San Jose receives on average 2,525 mm of precipitation per year, spread over about 289 rainy days.
Is it sunny in San Jose?
San Jose gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in San Jose?
Yes: San Jose has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in San Jose?
In San Jose, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 2 June 2010, and the lowest was 18.2 °C on 24 January 1975.
Compare San Jose with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Jose