Montreal in June
What to expect
In Montreal, June sits in early summer, with a clear seasonal rhythm running through the month. Most days feel warm without being relentless, with evenings that ease back comfortably. You get long daylight windows for full-day exploring. Comfort is usually predictable, so a standard day plan works well.
June in context
How it compares to the rest of the year in Montreal.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 15.6 h
- UV index (max)
- 8
- Typical sun hours
- 04:06 - 19:43
Rain & Snow
- Total rain
-
- Rainy days
- 14 days
- Cloud cover (avg)
- 62%
Humidity & Wind
- Humidity (avg)
- 69%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for June. Typical high 22.3°C and low 12.1°C.
Typical disruptions in June
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in June.
Rain disruption Measures: Likely rain disruption days. Observed about 25% of days (7.4 days/month) in June. Historical risk signal only, not a day-by-day forecast.
7.4 days / month
~25% of days
Why this matters
- Expected days 7.4 days / month
- Probability ~25% of days
- Intensity Up to ~30mm (P95)
Rain disruption risk appears on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 23% of days (6.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.
6.8 days / month
~23% of days
Why this matters
- Expected days 6.8 days / month
- Probability ~23% of days
- Intensity Up to ~30mm (P95)
Washout conditions are possible on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 13% of days (4.0 days/month) in June. Historical risk signal only, not a day-by-day forecast.
4.0 days / month
~13% of days
Why this matters
- Expected days 4.0 days / month
- Probability ~13% of days
- Intensity Up to ~35mm (P95)
Heavy rain is possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 4% of days (1.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.
1.3 days / month
~4% of days
Why this matters
- Expected days 1.3 days / month
- Probability ~4% of days
- Intensity Up to ~74km/h (P95)
Strong gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 3% of days (0.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.9 days / month
~3% of days
Why this matters
- Expected days 0.9 days / month
- Probability ~3% of days
- Intensity Up to ~66km/h (P95)
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 6% of days (1.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.
1.9 days / month
~6% of days
Why this matters
- Expected days 1.9 days / month
- Probability ~6% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~2 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Show all disruptions (21 more)
Washout run Measures: Multi-day washout runs. Observed about 1.5 days/month in June. Historical risk signal only, not a day-by-day forecast.
1.5 days / month
Probability unavailable
Why this matters
- Expected days 1.5 days / month
- Probability —
- Intensity Up to ~26mm (P95)
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 2% of days (0.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.7 days / month
~2% of days
Why this matters
- Expected days 0.7 days / month
- Probability ~2% of days
- Intensity Up to ~39mm (P95)
Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Hot days Measures: Hot days (>=30C). Observed about 4% of days (1.1 days/month) in June. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
~4% of days
Why this matters
- Expected days 1.1 days / month
- Probability ~4% of days
- Intensity Up to ~32°C (P95)
Hot days are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 3% of days (0.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.9 days / month
~3% of days
Why this matters
- Expected days 0.9 days / month
- Probability ~3% of days
- Intensity Up to ~35°C (P95)
Feels-like heat >=32C is possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Muggy days Measures: Muggy days (dew point >=20C). Observed about 1% of days (0.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~22°C (P95)
Muggy conditions are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet days Measures: Wet days (>=0.1mm). Observed about 59% of days (17.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.
17.7 days / month
~59% of days
Why this matters
- Expected days 17.7 days / month
- Probability ~59% of days
- Intensity Up to ~23mm (P95)
Measurable rain is possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 56% of days (16.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.
16.8 days / month
~56% of days
Why this matters
- Expected days 16.8 days / month
- Probability ~56% of days
- Intensity Up to ~100% (P95)
Cloudy skies are possible on ~17 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 44% of days (13.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.
13.3 days / month
~44% of days
Why this matters
- Expected days 13.3 days / month
- Probability ~44% of days
- Intensity Up to ~19h (P95)
Several rainy hours are possible on ~13 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 38% of days (11.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.
11.5 days / month
~38% of days
Why this matters
- Expected days 11.5 days / month
- Probability ~38% of days
- Intensity Up to ~64km/h (P95)
Gusty conditions are possible on ~11 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 32% of days (9.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.
9.5 days / month
~32% of days
Why this matters
- Expected days 9.5 days / month
- Probability ~32% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~9 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 32% of days (9.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.
9.5 days / month
~32% of days
Why this matters
- Expected days 9.5 days / month
- Probability ~32% of days
- Intensity Up to ~21h (P95)
Wet-most-of-day conditions are possible on ~9 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
High humidity Measures: High humidity days (RH >=80%). Observed about 21% of days (6.4 days/month) in June. Historical risk signal only, not a day-by-day forecast.
6.4 days / month
~21% of days
Why this matters
- Expected days 6.4 days / month
- Probability ~21% of days
- Intensity Up to ~93% (P95)
High humidity is possible on ~6 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 13% of days (3.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.
3.9 days / month
~13% of days
Why this matters
- Expected days 3.9 days / month
- Probability ~13% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~4 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humid days Measures: Humid days (dew point >=18C). Observed about 6% of days (1.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.
1.8 days / month
~6% of days
Why this matters
- Expected days 1.8 days / month
- Probability ~6% of days
- Intensity Up to ~21°C (P95)
Humid conditions are possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Convective risk Measures: Convective storm risk proxy. Observed about 2% of days (0.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.7 days / month
~2% of days
Why this matters
- Expected days 0.7 days / month
- Probability ~2% of days
- Intensity Up to ~20°C (P95)
Convective risk signal appears on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 2% of days (0.6 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.6 days / month
~2% of days
Why this matters
- Expected days 0.6 days / month
- Probability ~2% of days
- Intensity Up to ~95% (P95)
Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 2% of days (0.6 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.6 days / month
~2% of days
Why this matters
- Expected days 0.6 days / month
- Probability ~2% of days
- Intensity Up to ~95 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold nights Measures: Cold nights (min <=5C). Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~5°C (P95)
Cold nights are possible on ~0 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~28km/h (P95)
Breezy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 0.2 days/month in June. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
Probability unavailable
Why this matters
- Expected days 0.2 days / month
- Probability —
- Intensity Up to ~35°C (P95)
Feels-like heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.1 days/month in June. Historical risk signal only, not a day-by-day forecast.
0.1 days / month
Probability unavailable
Why this matters
- Expected days 0.1 days / month
- Probability —
- Intensity Up to ~31°C (P95)
Heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Frequently asked questions
Is June a good time to visit Montreal?
Typical June days in Montreal reach highs of 22°C (72°F) with nights around 13°C (55°F). It usually feels warm by day and cool after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.
What are temperatures like in June?
Daytime temperatures in June typically peak near 22°C (72°F), while nights drop to around 13°C (55°F). Expect warm afternoons and cool evenings.
How much does it rain in June?
Rainfall in June averages 108 mm (4.3 in) across roughly 14 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in June?
You can expect about 16 hours of daylight in June. Sunrise is typically around 04:06 and sunset near 19:43. Very long days give you plenty of daylight for exploring.
How strong is the sun in June?
UV levels are often high (around 8). Regular sunscreen and a hat are recommended.
Is it windy in June?
In June, average wind speeds are around 11 km/h (7 mph), with gusts on the windiest days reaching about 54 km/h (34 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.