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Statistics · City
Average daily high 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 warmest temperature of the day, averaged over the year.
How it is calculated
Mean of the twelve monthly normals of the daily maximum at the nearest weather station with a long record: 1991–2020, or the latest ten years where the older record is missing (the period is shown).