Grande Cache, Canada experiences average highs of 7°C (45°F) and lows of -4°C (25°F) throughout the year. Rainfall is moderate, averaging about 12 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Grande Cache, Canada Weather & Climate 2026
Monthly climate averages for Grande Cache, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.2/10
Best: July, August
UV Index
4
Low
Temperature 7°C / -4°C
Feels Like 3°C / -7°C
Rainy Days 12
Rainfall 63 mm
Sunshine 9 h
Humidity 73%
Wind Speed 13 km/h
Dew Point -3°C
Snow Days 13 days
Frost Days 22 days
Hottest Month
20°C
July
Avg Low8°C
Rain17days
Coldest Month
-15°C
December
Avg High-7°C
Rain11days
Driest Month
8days
January
Avg High-6°C
Avg Low-14°C
Windiest Month
14 km/h
April (Gusts 45)
Worst Time to Visit
Consider avoiding January, October, November, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:26
Daylight 17.1h
Sunset 22:31
Live conditions—
Grande Cache on the map · live conditions
Grande Cache, Canada
- Continent
- Americas
- Country
- Canada
- City
- Grande Cache
- Population
- 3.3K
- Coordinates
- 53.88°, -119.14°
Seasonal Breakdown
Spring
Mar–May
Avg High 7°C
Avg Low -5°C
Rain 11 days/mo
Summer
Jun–Aug
Avg High 19°C
Avg Low 7°C
Rain 15 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 7°C
Avg Low -3°C
Rain 12 days/mo
Winter
Dec–Feb
Avg High -6°C
Avg Low -14°C
Rain 10 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: -6°C / -14°C . Feb: -5°C / -15°C . Mar: 1°C / -10°C . Apr: 6°C / -5°C . May: 13°C / 1°C . Jun: 17°C / 5°C . Jul: 20°C / 8°C . Aug: 20°C / 8°C . Sep: 15°C / 4°C . Oct: 6°C / -4°C . Nov: -1°C / -10°C . Dec: -7°C / -15°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 37 mm. Feb: 44 mm. Mar: 40 mm. Apr: 41 mm. May: 67 mm. Jun: 115 mm. Jul: 110 mm. Aug: 91 mm. Sep: 64 mm. Oct: 57 mm. Nov: 58 mm. Dec: 37 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 79%. Feb: 74%. Mar: 72%. Apr: 69%. May: 69%. Jun: 68%. Jul: 70%. Aug: 70%. Sep: 73%. Oct: 76%. Nov: 79%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 13 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 12 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 9h. Apr: 11h. May: 12h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 5h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 3. Nov: UV 1. 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: 17 days. Feb: 18 days. Mar: 18 days. Apr: 15 days. May: 6 days. Jun: 1 days. Jul: 0 days. Aug: 0 days. Sep: 3 days. Oct: 14 days. Nov: 17 days. Dec: 19 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 | Aug 2025 · 21°C | Jul · 20°C |
| Coldest month | Feb 2025 · -18°C | Dec · -15°C |
| Wettest month | Jul 2025 · 131 mm | Jun · 115 mm |
| Windiest month | Apr 2025 · 15 km/h | Apr · 14 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Poor June
Fair July best
Good August best
Good September
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -6°C / -14°C | -10°C / -19°C | 8days (37 mm) Wet | 4.6h Fair | 79% Humid | 1.1 Low | Poor | View Details |
| February | -5°C / -15°C | -10°C / -20°C | 10days (44 mm) Wet | 6.3h Fair | 74% Muggy | 2.1 Moderate | Poor | View Details |
| March | 1°C / -10°C | -3°C / -14°C | 10days (40 mm) Wet | 8.6h Good | 72% Muggy | 3.5 Moderate | Poor | View Details |
| April | 6°C / -5°C | 2°C / -9°C | 10days (41 mm) Wet | 10.7h Excellent | 69% Muggy | 4.9 Moderate | Poor | View Details |
| May | 13°C / 1°C | 10°C / -3°C | 13days (67 mm) Wet | 11.9h Excellent | 69% Muggy | 5.7 High | Poor | View Details |
| June | 17°C / 5°C | 15°C / 2°C | 16days (115 mm) Wet | 12.3h Excellent | 68% Muggy | 6.1 High | Fair | View Details |
| July best | 20°C / 8°C | 19°C / 7°C | 17days (110 mm) Wet | 12.2h Excellent | 70% Muggy | 6 High | Good | View Details |
| August best | 20°C / 8°C | 19°C / 6°C | 12days (91 mm) Wet | 11.3h Excellent | 70% Muggy | 5.3 High | Good | View Details |
| September | 15°C / 4°C | 13°C / 1°C | 11days (64 mm) Wet | 9.3h Good | 73% Muggy | 4.2 Moderate | Fair | View Details |
| October | 6°C / -4°C | 3°C / -8°C | 12days (57 mm) Wet | 7.2h Good | 76% Humid | 2.6 Moderate | Poor | View Details |
| November | -1°C / -10°C | -5°C / -14°C | 12days (58 mm) Wet | 5h Fair | 79% Humid | 1.4 Low | Poor | View Details |
| December | -7°C / -15°C | -12°C / -20°C | 11days (37 mm) Wet | 4.1h Fair | 79% Humid | 0.9 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Grande Cache are July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Grande Cache, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Grande Cache is July, with average daytime highs of 20°C (69°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Grande Cache is December, with average overnight lows of -15°C (5°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Grande Cache is June, averaging 115mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Grande Cache runs through July, June, May, August, with the heaviest rainfall in July. Based on 10-year averages for Grande Cache.
Grande Cache receives approximately 104 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Grande Cache.
The least favorable months to visit Grande Cache are January, October, November, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider July, August instead.
The annual average UV index in Grande Cache is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Grande Cache is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Grande Cache receives snow. Months with snowfall average 13 snow days and 24 cm (9 in) of accumulation, with about 22 frost days during winter.
Average wind speeds in Grande Cache are 13 km/h (8 mph). The windiest month is April with peak winds reaching 14 km/h (9 mph) (gusts up to 45 km/h / 28 mph).
Grande Cache averages 2 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in September.
The annual average dew point in Grande Cache is -3°C (27°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Grande Cache has a Subarctic climate, classified as Dfc under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Grande Cache ranges from -7°C (19°F) to 3°C (37°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
June is not the best time to visit Grande Cache, with a climate score of 4.5/10. Consider visiting during July, August instead for better conditions.
For June in Grande Cache, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 17°C (63°F) and 16 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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