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Average daily low 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
The typical coolest temperature of the day, usually at night, averaged over the year.
How it is calculated
Mean of the twelve monthly normals of the daily minimum at the nearest weather station: 1991–2020, or the latest ten years where the older record is missing.