Travel Weather Fairy🎊 Featured event
Festival International de Jazz de Montréal
📅 June–July each year
Downtown venues and street-event areas can attract large crowds during the festival.
Check official source →🇨🇦 Canada · Quebec · Montreal
Montreal Weather in May
SpringWeather in Montreal during May is typically mild in the daytime and chilly after sunset, based on 2016–2025 averages of 19°C (66°F) / 8°C (47°F). The 10-year average shows around 11 rainy days and about 81 mm of monthly precipitation, so some wet days are normal.
Avg high66.0°F 18.9°CAvg low47.2°F 8.5°CRainy days~10.8 daysMonthly rain81.1 mm
🧳 Packing guide
What to wear in Montreal in May
For what to wear in Montreal in May, long sleeves or a T-shirt with a light jacket make a practical combination. A compact umbrella is worth carrying for passing showers or wetter days.
Travel takeaway: For many travelers, these temperatures are comfortable for city sightseeing when you pack one flexible layer.
🗓️ Travel timing at a glance
Montreal: 12-month travel weather
Montreal has a long, cold, snowy winter and a warm summer. The seasonal contrast is large, so packing and outdoor comfort vary sharply by month.
JanSevere cold · SnowFebMidwinter · SnowMarLate winter · SnowAprSpringMaySpringJunEarly summerJulSummerAugSummerSepEarly autumnOctAutumnNovEarly winterDecWinter · Snow
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Montreal 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
Winter festivals and deep-cold period
📅 January–February
Winter events are a draw, but extreme cold or heavy snow can make outdoor time and transport more difficult.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Montreal in May · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ May 2025 · latest complete year☔ 19 days · 120 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
15.4°C/2.1°C
No rain
2
20.7°C/9.5°C
🌧️ 14.7 mm
3
14.4°C/8.6°C
No rain
4
18.2°C/8.4°C
No rain
5
22°C/7.3°C
No rain
6
20.9°C/12.1°C
🌧️ 8.8 mm
7
19.8°C/10.8°C
🌧️ 1.4 mm
8
10.4°C/7.4°C
No rain
9
8°C/6.4°C
🌧️ 11.7 mm
10
17.5°C/7.2°C
🌧️ 1.2 mm
11
15.7°C/4.3°C
No rain
12
19.6°C/8.9°C
No rain
13
24°C/9.2°C
No rain
14
25.1°C/12.6°C
No rain
15
24.4°C/16.1°C
🌧️ 2 mm
16
27.5°C/15.6°C
🌧️ 1.7 mm
17
22.3°C/15.3°C
🌧️ 7.2 mm
18
16.4°C/8.2°C
🌧️ 15.9 mm
19
10.2°C/7°C
🌧️ 15.7 mm
20
12.8°C/6.8°C
🌧️ 2.1 mm
21
16.4°C/8.4°C
🌧️ 3.8 mm
22
11.7°C/8.7°C
🌧️ 3.1 mm
23
10.6°C/7.6°C
🌧️ 6.5 mm
24
10.7°C/6.8°C
🌧️ 4.4 mm
25
17.7°C/7°C
🌧️ 1.6 mm
26
20.9°C/7.6°C
🌧️ 1.3 mm
27
23.7°C/11.5°C
No rain
28
25.7°C/12.2°C
No rain
29
18.6°C/14.3°C
🌧️ 3.6 mm
30
21°C/14°C
No rain
31
15.9°C/10.8°C
🌧️ 12.2 mm
May 2024☔ 10 days · 76.5 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
14.4°C/2.7°C
No rain
2
17.7°C/8.1°C
🌧️ 7.6 mm
3
18.3°C/5.7°C
No rain
4
20.1°C/10.9°C
No rain
5
14.4°C/10°C
🌧️ 12.3 mm
6
21.2°C/10.7°C
🌧️ 1.9 mm
7
21°C/6.7°C
No rain
8
13.2°C/8.3°C
🌧️ 9.2 mm
9
14.8°C/6.5°C
No rain
10
16.7°C/5.4°C
No rain
11
17.5°C/4.6°C
No rain
12
16.2°C/8.8°C
No rain
13
19.2°C/8.3°C
🌧️ 2.4 mm
14
21.2°C/12.3°C
🌧️ 13.3 mm
15
21.7°C/11°C
🌧️ 2.5 mm
16
22.5°C/11.7°C
No rain
17
24.6°C/11.8°C
No rain
18
23.4°C/15.3°C
No rain
19
24.1°C/12.6°C
No rain
20
28°C/14.6°C
No rain
21
26.1°C/16.2°C
No rain
22
29.1°C/17.3°C
🌧️ 2.2 mm
23
25.1°C/19.1°C
No rain
24
18.9°C/11.9°C
No rain
25
19.6°C/8.7°C
No rain
26
24.2°C/14.2°C
No rain
27
24.8°C/17°C
🌧️ 18.9 mm
28
21°C/14.5°C
🌧️ 2.8 mm
29
19°C/11.6°C
No rain
30
20.4°C/8.9°C
No rain
31
23.2°C/9.2°C
No rain
May 2023☔ 8 days · 78.4 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
11.3°C/6.8°C
🌧️ 28.5 mm
2
13.2°C/4.6°C
🌧️ 8.4 mm
3
10°C/6.6°C
🌧️ 9.1 mm
4
11.4°C/5.2°C
🌧️ 1.2 mm
5
16.4°C/4.3°C
No rain
6
21.8°C/6.1°C
No rain
7
21.8°C/7.2°C
No rain
8
17°C/7.4°C
No rain
9
16.9°C/3.9°C
No rain
10
22.1°C/4.5°C
No rain
11
24.8°C/8.8°C
No rain
12
24.7°C/12°C
No rain
13
19.3°C/8.4°C
No rain
14
17.3°C/4.6°C
No rain
15
21.8°C/8°C
No rain
16
13.7°C/4.5°C
🌧️ 9.9 mm
17
8.1°C/2.7°C
No rain
18
13.9°C/0.9°C
No rain
19
23.6°C/6.7°C
No rain
20
22.1°C/12.7°C
🌧️ 6.7 mm
21
22.6°C/10.9°C
🌧️ 3.2 mm
22
15°C/5.7°C
No rain
23
21.5°C/7.7°C
No rain
24
15.1°C/8.5°C
🌧️ 10.1 mm
25
18°C/7.5°C
No rain
26
21.1°C/5.4°C
No rain
27
26.2°C/9.9°C
No rain
28
29.2°C/13.2°C
No rain
29
21.9°C/12.3°C
No rain
30
26.6°C/9.3°C
No rain
31
30.2°C/13.4°C
No rain
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Montreal weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Montreal weather in other months
Switch months to compare the seasonal pattern.