Iriga City climate — normals and trends
Iriga City (Philippines) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 2,890 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 (27.5 °C on average) and the coldest is January (24.4 °C). Rainfall peaks in July.
Iriga City averages 0 frost days, 153 hot days (≥ 30 °C) and 297 rainy days per year.
Iriga City has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.2 °C (on 29 April 2024) and the coldest 18.3 °C (on 22 February 1969).
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
Iriga CityBicol Region
- coords
- 13.43°, 123.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
29.4°C
Average daily low
23.5°C
Annual rainfall
2,890mm
Sunshine / day
10.3h
Mean relative humidity
86%
Average peak wind
11.2km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
153 d/yr
Rainy days (≥ 1 mm)
297 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.4 °C
Average feels-like low
27.8 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °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
35.2 °C
29 April 2024
Coldest day
18.3 °C
22 February 1969
Wettest day
342 mm
20 November 1942
Windiest day
65.4 km/h
20 November 1942
Strongest gust
190.1 km/h
21 October 1952
Hottest feels-like
43.3 °C
23 July 1998
Coldest feels-like
18.5 °C
20 November 1942
Sunniest day
12.6 h
2 June 2025
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 | 28.4 °C | +1.1 °C | 440 mm | +265 mm |
| Feb | 28.8 °C | +0.9 °C | 291 mm | +176 mm |
| Mar | 29.6 °C | +0.5 °C | 181 mm | +76 mm |
| Apr | 32.2 °C | +1.5 °C | 43 mm | -50 mm |
| May | 32.3 °C | +1.0 °C | 131 mm | -57 mm |
| Jun | 30.9 °C | +0.2 °C | 522 mm | +227 mm |
| Jul | 30.3 °C | +0.4 °C | 512 mm | +127 mm |
| Aug | 30.5 °C | +0.7 °C | 497 mm | +129 mm |
| Sep | 29.7 °C | -0.1 °C | 580 mm | +216 mm |
| Oct | 30.6 °C | +1.1 °C | 343 mm | +37 mm |
| Nov | 30.1 °C | +1.2 °C | 489 mm | +243 mm |
| Dec | 29.2 °C | +1.4 °C | 280 mm | +33 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 Iriga City?
Iriga City has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 2,890 mm of precipitation per year.
What is the hottest day ever recorded in Iriga City?
The hottest day measured in Iriga City between 1940 and 2025 was 29 April 2024, reaching 35.2 °C.
What is the coldest day in Iriga City?
The coldest day measured in Iriga City between 1940 and 2025 was 22 February 1969, at 18.3 °C.
Does it snow in Iriga City?
Almost never: Iriga City sees virtually no snow, with about 0 frost days per year.
Has the climate of Iriga City warmed?
Yes: Iriga City warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Iriga City?
The wettest day measured in Iriga City between 1940 and 2025 was 20 November 1942, with 342 mm of rain in 24 hours.
What was the windiest day in Iriga City?
The windiest day measured in Iriga City between 1940 and 2025 was 20 November 1942, with winds reaching 65.4 km/h.
What is the warmest month in Iriga City?
The warmest month in Iriga City is May (27.5 °C on average); the coldest is January (24.4 °C).
How much does it rain in Iriga City?
Iriga City receives on average 2,890 mm of precipitation per year, spread over about 297 rainy days.
Is it sunny in Iriga City?
Iriga City gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Iriga City?
Yes: Iriga City has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Iriga City?
In Iriga City, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 23 July 1998, and the lowest was 18.5 °C on 20 November 1942.
Compare Iriga City with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Iriga City