Greenstone, Canada experiences average highs of 7°C (45°F) and lows of -1°C (30°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Average highs have stayed broadly stable across the available records.
Greenstone, Canada Weather & Climate 2026
Monthly climate averages for Greenstone, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Aug–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4/10
Best: June, July, August, September
UV Index
4
Low
Temperature 7°C / -1°C
Feels Like 4°C / -5°C
Rainy Days 10
Rainfall 60 mm
Sunshine 8 h
Humidity 74%
Wind Speed 17 km/h
Dew Point -1°C
Snow Days 12 days
Frost Days 23 days
Hottest Month
24°C
July
Avg Low14°C
Rain11days
Coldest Month
-17°C
January
Avg High-10°C
Rain7days
Driest Month
7days
January
Avg High-10°C
Avg Low-17°C
Windiest Month
19 km/h
November (Gusts 43)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures.
Sun Position
Sunrise 05:42
Daylight 16.3h
Sunset 21:59
Live conditions—
Greenstone on the map · live conditions
Greenstone, Canada
- Continent
- Americas
- Country
- Canada
- City
- Greenstone
- Population
- 4.6K
- Coordinates
- 49.73°, -87.17°
Seasonal Breakdown
Spring
Mar–May
Avg High 6°C
Avg Low -4°C
Rain 9 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 13°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 9°C
Avg Low 3°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High -8°C
Avg Low -16°C
Rain 9 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: -10°C / -17°C . Feb: -9°C / -17°C . Mar: -2°C / -11°C . Apr: 4°C / -5°C . May: 15°C / 4°C . Jun: 22°C / 10°C . Jul: 24°C / 14°C . Aug: 22°C / 14°C . Sep: 18°C / 10°C . Oct: 9°C / 4°C . Nov: 1°C / -4°C . Dec: -7°C / -14°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 26 mm. Feb: 35 mm. Mar: 36 mm. Apr: 65 mm. May: 56 mm. Jun: 81 mm. Jul: 81 mm. Aug: 72 mm. Sep: 90 mm. Oct: 70 mm. Nov: 59 mm. Dec: 52 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 74%. Mar: 72%. Apr: 70%. May: 66%. Jun: 66%. Jul: 67%. Aug: 72%. Sep: 77%. Oct: 79%. Nov: 81%. Dec: 82%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 18 km/h . May: 17 km/h . Jun: 17 km/h . Jul: 16 km/h . Aug: 17 km/h . Sep: 17 km/h . Oct: 18 km/h . Nov: 19 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 7h. Mar: 8h. Apr: 9h. May: 11h. Jun: 12h. Jul: 12h. Aug: 10h. Sep: 8h. Oct: 6h. Nov: 3h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 4. Apr: UV 4. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 6. Sep: UV 4. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 14 days. Feb: 15 days. Mar: 12 days. Apr: 10 days. May: 3 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 6 days. Nov: 17 days. Dec: 19 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 17 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 23°C | Jul · 24°C |
| Coldest month | Jan 2025 · -20°C | Jan · -17°C |
| Wettest month | Jun 2025 · 157 mm | Sep · 90 mm |
| Windiest month | Nov 2025 · 20 km/h | Nov · 19 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Good July best
Excellent August best
Excellent September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -10°C / -17°C | -15°C / -23°C | 7days (26 mm) Good | 4.7h Fair | 78% Humid | 1.4 Low | Poor | View Details |
| February | -9°C / -17°C | -14°C / -22°C | 9days (35 mm) Wet | 6.6h Fair | 74% Muggy | 2.2 Moderate | Poor | View Details |
| March | -2°C / -11°C | -7°C / -16°C | 7days (36 mm) Good | 8.3h Good | 72% Muggy | 3.5 Moderate | Poor | View Details |
| April | 4°C / -5°C | 0°C / -9°C | 10days (65 mm) Wet | 9h Good | 70% Muggy | 4.4 Moderate | Poor | View Details |
| May | 15°C / 4°C | 12°C / 0°C | 9days (56 mm) Wet | 10.5h Excellent | 66% Muggy | 5.6 High | Fair | View Details |
| June best | 22°C / 10°C | 20°C / 8°C | 11days (81 mm) Wet | 11.6h Excellent | 66% Muggy | 6.1 High | Good | View Details |
| July best | 24°C / 14°C | 24°C / 13°C | 11days (81 mm) Wet | 12.1h Excellent | 67% Muggy | 6.3 High | Excellent | View Details |
| August best | 22°C / 14°C | 22°C / 12°C | 12days (72 mm) Wet | 10.3h Excellent | 72% Muggy | 5.5 High | Excellent | View Details |
| September best | 18°C / 10°C | 16°C / 8°C | 11days (90 mm) Wet | 8h Good | 77% Humid | 4.4 Moderate | Good | View Details |
| October | 9°C / 4°C | 6°C / 0°C | 12days (70 mm) Wet | 5.7h Fair | 79% Humid | 2.6 Moderate | Poor | View Details |
| November | 1°C / -4°C | -3°C / -9°C | 12days (59 mm) Wet | 3.3h Poor | 81% Humid | 1.5 Low | Poor | View Details |
| December | -7°C / -14°C | -11°C / -19°C | 11days (52 mm) Wet | 3.5h Poor | 82% Humid | 1.1 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Greenstone are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Greenstone, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Greenstone is July, with average daytime highs of 24°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Greenstone is January, with average overnight lows of -17°C (1°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Greenstone is September, averaging 90mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Greenstone runs through August, October, November, June, with the heaviest rainfall in August. Based on 10-year averages for Greenstone.
Greenstone receives approximately 94 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Greenstone.
The least favorable months to visit Greenstone are January, February, November, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Greenstone is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Greenstone is 74%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Greenstone receives snow. Months with snowfall average 12 snow days and 23 cm (9 in) of accumulation, with about 23 frost days during winter.
Average wind speeds in Greenstone are 17 km/h (11 mph). The windiest month is November with peak winds reaching 19 km/h (12 mph) (gusts up to 43 km/h / 26 mph).
Greenstone averages 2 clear-sky days per month with overall cloud cover around 70%. The clearest skies occur in May.
The annual average dew point in Greenstone is -1°C (30°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Greenstone 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 Greenstone ranges from -5°C (23°F) to 4°C (39°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 Greenstone. It earns a climate score of 7.1/10 with Good.
For June in Greenstone, pack Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. With average highs of 22°C (71°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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