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Statistics · City
Normal annual rainfall in Westmount
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 · Riviere Des Prairies weather station, 25 km away
-5°
-15°
Jan
-3°
-14°
Feb
3°
-7°
Mar
11°
1°
Apr
20°
8°
May
25°
14°
Jun
27°
16°
Jul
26°
15°
Aug
21°
11°
Sep
13°
4°
Oct
6°
-2°
Nov
-1°
-9°
Dec
67
54
58
88
85
94
99
93
91
100
77
73
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.