Brooklin, Canada experiences average highs of 13°C (55°F) and lows of 5°C (41°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have cooled by 0.8°C (1.4°F) across the available records.
Brooklin, Canada Weather & Climate 2026
Monthly climate averages for Brooklin, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: Mar–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 13°C / 5°C
Feels Like 11°C / 3°C
Rainy Days 11
Rainfall 79 mm
Sunshine 8 h
Humidity 72%
Wind Speed 19 km/h
Dew Point 5°C
Snow Days 10 days
Frost Days 20 days
Hottest Month
27°C
July
Avg Low18°C
Rain12days
Coldest Month
-8°C
January
Avg High-1°C
Rain10days
Driest Month
8days
September
Avg High22°C
Avg Low14°C
Windiest Month
22 km/h
February (Gusts 45)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:34
Daylight 15.5h
Sunset 21:01
Live conditions—
Brooklin on the map · live conditions
Brooklin, Canada
- Continent
- Americas
- Country
- Canada
- City
- Brooklin
- Population
- 25K
- Coordinates
- 43.96°, -78.96°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 3°C
Rain 12 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 26°C
Avg Low 17°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 15°C
Avg Low 8°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 1°C
Avg Low -7°C
Rain 11 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: -1°C / -8°C . Feb: 1°C / -7°C . Mar: 5°C / -3°C . Apr: 11°C / 2°C . May: 19°C / 9°C . Jun: 24°C / 15°C . Jul: 27°C / 18°C . Aug: 26°C / 18°C . Sep: 22°C / 14°C . Oct: 15°C / 9°C . Nov: 7°C / 1°C . Dec: 2°C / -4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 69 mm. Feb: 64 mm. Mar: 75 mm. Apr: 101 mm. May: 79 mm. Jun: 91 mm. Jul: 89 mm. Aug: 90 mm. Sep: 62 mm. Oct: 83 mm. Nov: 63 mm. Dec: 78 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 74%. Mar: 69%. Apr: 67%. May: 68%. Jun: 68%. Jul: 70%. Aug: 73%. Sep: 74%. Oct: 75%. Nov: 76%. Dec: 78%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 22 km/h . Mar: 21 km/h . Apr: 21 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 16 km/h . Oct: 19 km/h . Nov: 20 km/h . Dec: 21 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 9h. May: 11h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 10h. Oct: 7h. Nov: 6h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. 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: 15 days. Feb: 13 days. Mar: 8 days. Apr: 5 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 6 days. Dec: 13 days.
Climate Trends
Average highs have cooled by 0.8°C (1.4°F) 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 · 28°C | Jul · 27°C |
| Coldest month | Feb 2025 · -10°C | Jan · -8°C |
| Wettest month | Dec 2025 · 100 mm | Apr · 101 mm |
| Windiest month | Dec 2025 · 23 km/h | Feb · 22 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 | -1°C / -8°C | -6°C / -13°C | 10days (69 mm) Wet | 5h Fair | 76% Humid | 2 Low | Poor | View Details |
| February | 1°C / -7°C | -4°C / -13°C | 10days (64 mm) Wet | 6.4h Fair | 74% Muggy | 3.1 Moderate | Poor | View Details |
| March | 5°C / -3°C | 1°C / -8°C | 12days (75 mm) Wet | 7.6h Good | 69% Muggy | 4 Moderate | Poor | View Details |
| April | 11°C / 2°C | 8°C / -2°C | 14days (101 mm) Wet | 8.8h Good | 67% Muggy | 4.7 Moderate | Poor | View Details |
| May best | 19°C / 9°C | 18°C / 7°C | 11days (79 mm) Wet | 10.6h Excellent | 68% Muggy | 5.9 High | Good | View Details |
| June best | 24°C / 15°C | 25°C / 14°C | 11days (91 mm) Wet | 11.9h Excellent | 68% Muggy | 6.4 High | Excellent | View Details |
| July best | 27°C / 18°C | 29°C / 19°C | 12days (89 mm) Wet | 12.2h Excellent | 70% Muggy | 6.8 High | Excellent | View Details |
| August best | 26°C / 18°C | 27°C / 18°C | 10days (90 mm) Wet | 11.3h Excellent | 73% Muggy | 5.9 High | Excellent | View Details |
| September best | 22°C / 14°C | 22°C / 14°C | 8days (62 mm) Wet | 9.7h Good | 74% Muggy | 5 Moderate | Excellent | View Details |
| October | 15°C / 9°C | 13°C / 6°C | 11days (83 mm) Wet | 7h Good | 75% Muggy | 3.3 Moderate | Fair | View Details |
| November | 7°C / 1°C | 3°C / -3°C | 11days (63 mm) Wet | 5.6h Fair | 76% Humid | 2.1 Moderate | Poor | View Details |
| December | 2°C / -4°C | -3°C / -9°C | 12days (78 mm) Wet | 4.4h Fair | 78% Humid | 1.6 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Brooklin 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 Brooklin, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Brooklin is July, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Brooklin is January, with average overnight lows of -8°C (18°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Brooklin is April, averaging 101mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Brooklin runs through April, March, July, December, with the heaviest rainfall in April. Based on 10-year averages for Brooklin.
Brooklin receives approximately 101 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Brooklin.
The least favorable months to visit Brooklin are January, February, March, 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 Brooklin is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Brooklin is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Brooklin receives snow. Months with snowfall average 10 snow days and 19 cm (7 in) of accumulation, with about 20 frost days during winter.
Average wind speeds in Brooklin are 19 km/h (12 mph). The windiest month is February with peak winds reaching 22 km/h (13 mph) (gusts up to 45 km/h / 28 mph).
Brooklin averages 3 clear-sky days per month with overall cloud cover around 63%. The clearest skies occur in September.
The annual average dew point in Brooklin is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Brooklin has a Hot-Summer Continental climate, classified as Dfa under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Brooklin ranges from 3°C (37°F) to 11°C (52°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Brooklin. It earns a climate score of 8.4/10 with Excellent.
For June in Brooklin, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 24°C (75°F) and 11 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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