Passi climate — normals and trends
Passi (Philippines) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,907 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 (28.4 °C on average) and the coldest is January (25.7 °C). Rainfall peaks in September.
Passi averages 0 frost days, 206 hot days (≥ 30 °C) and 282 rainy days per year.
Passi has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.8 °C (on 16 May 1987) and the coldest 18.6 °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
PassiWestern Visayas
- coords
- 11.11°, 122.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.0°C
Average daily high
30.2°C
Average daily low
24.5°C
Annual rainfall
1,907mm
Sunshine / day
10.0h
Mean relative humidity
84%
Average peak wind
17.0km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
206 d/yr
Rainy days (≥ 1 mm)
282 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.5 °C
Average feels-like low
28.4 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.77 · 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
36.8 °C
16 May 1987
Coldest day
18.6 °C
13 January 1971
Wettest day
208 mm
16 April 2014
Windiest day
69.4 km/h
25 January 1975
Strongest gust
119.2 km/h
25 January 1975
Hottest feels-like
44.5 °C
2 June 1998
Coldest feels-like
18.1 °C
25 January 1975
Sunniest day
12.4 h
21 May 1948
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 | 29.7 °C | +1.2 °C | 335 mm | +212 mm |
| Feb | 30.0 °C | +0.9 °C | 246 mm | +158 mm |
| Mar | 30.6 °C | +0.3 °C | 225 mm | +145 mm |
| Apr | 32.3 °C | +0.5 °C | 77 mm | +3 mm |
| May | 31.9 °C | -0.2 °C | 293 mm | +167 mm |
| Jun | 31.3 °C | +0.2 °C | 330 mm | +144 mm |
| Jul | 31.2 °C | +0.9 °C | 249 mm | +25 mm |
| Aug | 31.1 °C | +0.8 °C | 344 mm | +136 mm |
| Sep | 30.7 °C | +0.3 °C | 343 mm | +117 mm |
| Oct | 31.2 °C | +1.0 °C | 393 mm | +175 mm |
| Nov | 30.9 °C | +1.1 °C | 323 mm | +145 mm |
| Dec | 30.3 °C | +1.4 °C | 166 mm | -14 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 Passi?
Passi has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,907 mm of precipitation per year.
What is the hottest day ever recorded in Passi?
The hottest day measured in Passi between 1940 and 2025 was 16 May 1987, reaching 36.8 °C.
What is the coldest day in Passi?
The coldest day measured in Passi between 1940 and 2025 was 13 January 1971, at 18.6 °C.
Does it snow in Passi?
Almost never: Passi sees virtually no snow, with about 0 frost days per year.
Has the climate of Passi warmed?
Yes: Passi warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Passi?
The wettest day measured in Passi between 1940 and 2025 was 16 April 2014, with 208 mm of rain in 24 hours.
What was the windiest day in Passi?
The windiest day measured in Passi between 1940 and 2025 was 25 January 1975, with winds reaching 69.4 km/h.
What is the warmest month in Passi?
The warmest month in Passi is May (28.4 °C on average); the coldest is January (25.7 °C).
How much does it rain in Passi?
Passi receives on average 1,907 mm of precipitation per year, spread over about 282 rainy days.
Is it sunny in Passi?
Passi gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Passi?
Yes: Passi has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Passi?
In Passi, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 2 June 1998, and the lowest was 18.1 °C on 25 January 1975.
Compare Passi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Passi