Bromont, Canada experiences average highs of 12°C (54°F) and lows of 4°C (39°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have stayed broadly stable across the available records.
Bromont, Canada Weather & Climate 2026
Monthly climate averages for Bromont, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Oct 
Wetter season: Mar–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.5/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 12°C / 4°C
Feels Like 10°C / 1°C
Rainy Days 14
Rainfall 108 mm
Sunshine 8 h
Humidity 75%
Wind Speed 16 km/h
Dew Point 4°C
Snow Days 12 days
Frost Days 20 days
Hottest Month
26°C
July
Avg Low18°C
Rain14days
Coldest Month
-11°C
January
Avg High-3°C
Rain14days
Driest Month
9days
September
Avg High21°C
Avg Low13°C
Windiest Month
19 km/h
February (Gusts 43)
Worst Time to Visit
Consider avoiding January, March, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:03
Daylight 15.6h
Sunset 20:41
Live conditions—
Bromont on the map · live conditions
Bromont, Canada
- Continent
- Americas
- Country
- Canada
- City
- Bromont
- Population
- 3.9K
- Coordinates
- 45.32°, -72.65°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 2°C
Rain 14 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 25°C
Avg Low 16°C
Rain 14 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 7°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High -1°C
Avg Low -10°C
Rain 14 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -3°C / -11°C . Feb: -1°C / -10°C . Mar: 4°C / -5°C . Apr: 11°C / 1°C . May: 19°C / 9°C . Jun: 23°C / 14°C . Jul: 26°C / 18°C . Aug: 25°C / 17°C . Sep: 21°C / 13°C . Oct: 15°C / 7°C . Nov: 6°C / -1°C . Dec: 0°C / -8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 88 mm. Feb: 86 mm. Mar: 98 mm. Apr: 120 mm. May: 99 mm. Jun: 131 mm. Jul: 123 mm. Aug: 130 mm. Sep: 80 mm. Oct: 134 mm. Nov: 105 mm. Dec: 98 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 75%. Mar: 72%. Apr: 68%. May: 69%. Jun: 73%. Jul: 77%. Aug: 78%. Sep: 77%. Oct: 76%. Nov: 78%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 19 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 13 km/h . Sep: 14 km/h . Oct: 16 km/h . Nov: 18 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 8h. May: 10h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 5h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 5. Jun: UV 6. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 19 days. Feb: 17 days. Mar: 13 days. Apr: 6 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 10 days. Dec: 17 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 27°C | Jul · 26°C |
| Coldest month | Jan 2025 · -13°C | Jan · -11°C |
| Wettest month | Oct 2025 · 144 mm | Oct · 134 mm |
| Windiest month | Mar 2025 · 21 km/h | Feb · 19 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -3°C / -11°C | -7°C / -16°C | 14days (88 mm) Wet | 5h Fair | 78% Humid | 1.8 Low | Poor | View Details |
| February | -1°C / -10°C | -5°C / -16°C | 14days (86 mm) Wet | 6.1h Fair | 75% Muggy | 2.8 Moderate | Poor | View Details |
| March | 4°C / -5°C | 0°C / -10°C | 15days (98 mm) Wet | 7.5h Good | 72% Muggy | 3.8 Moderate | Poor | View Details |
| April | 11°C / 1°C | 8°C / -3°C | 14days (120 mm) Wet | 8.2h Good | 68% Muggy | 4.9 Moderate | Poor | View Details |
| May best | 19°C / 9°C | 18°C / 6°C | 12days (99 mm) Wet | 10h Excellent | 69% Muggy | 5.4 High | Good | View Details |
| June best | 23°C / 14°C | 24°C / 13°C | 14days (131 mm) Wet | 10.7h Excellent | 73% Muggy | 6.2 High | Excellent | View Details |
| July best | 26°C / 18°C | 28°C / 18°C | 14days (123 mm) Wet | 11.7h Excellent | 77% Humid | 6.6 High | Excellent | View Details |
| August best | 25°C / 17°C | 26°C / 17°C | 14days (130 mm) Wet | 10.7h Excellent | 78% Humid | 5.7 High | Excellent | View Details |
| September best | 21°C / 13°C | 21°C / 12°C | 9days (80 mm) Wet | 9.1h Good | 77% Humid | 4.8 Moderate | Excellent | View Details |
| October | 15°C / 7°C | 13°C / 5°C | 14days (134 mm) Wet | 6.5h Fair | 76% Humid | 3 Moderate | Fair | View Details |
| November | 6°C / -1°C | 2°C / -5°C | 15days (105 mm) Wet | 5h Fair | 78% Humid | 1.8 Low | Poor | View Details |
| December | 0°C / -8°C | -4°C / -12°C | 15days (98 mm) Wet | 4.5h Fair | 77% Humid | 1.5 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bromont are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bromont, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bromont is July, with average daytime highs of 26°C (78°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bromont is January, with average overnight lows of -11°C (11°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bromont is October, averaging 134mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bromont runs through March, November, December, January, with the heaviest rainfall in March. Based on 10-year averages for Bromont.
Bromont receives approximately 95 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Bromont.
The least favorable months to visit Bromont are January, March, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Bromont is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Bromont is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Bromont receives snow. Months with snowfall average 12 snow days and 25 cm (10 in) of accumulation, with about 20 frost days during winter.
Average wind speeds in Bromont are 16 km/h (10 mph). The windiest month is February with peak winds reaching 19 km/h (11 mph) (gusts up to 43 km/h / 27 mph).
Bromont averages 2 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in September.
The annual average dew point in Bromont is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Bromont has a Warm-Summer Continental climate, classified as Dfb under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Bromont ranges from 1°C (34°F) to 10°C (50°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Bromont. It earns a climate score of 8.4/10 with Excellent.
For June in Bromont, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 23°C (74°F) and 14 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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