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Normal annual rainfall in Calamba
1991–2020 · 1 data point
Updated Oct 21, 2026
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020
Weather through the year long-term average 1991–2020 · Ninoy Aquino Intern weather station, 38 km away
30°
23°
Jan
31°
23°
Feb
33°
24°
Mar
34°
25°
Apr
34°
26°
May
33°
26°
Jun
31°
25°
Jul
31°
25°
Aug
31°
25°
Sep
32°
25°
Oct
32°
24°
Nov
31°
23°
Dec
12
19
2
8
53
51
279
290
269
133
80
39
High and low, °C
Precipitation, mm
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020
What it means
How much rain and snow (as water) falls in a typical year.
How it is calculated
Sum of the twelve monthly precipitation normals at the nearest weather station: 1991–2020, or the latest ten years; months with a few missing days are scaled up.