Grimshaw, Canada experiences average highs of 8°C (46°F) and lows of -2°C (28°F) throughout the year. The climate is relatively dry, with only 7 rainy days per month on average. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Grimshaw, Canada Weather & Climate 2026
Monthly climate averages for Grimshaw, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Nov 
Wetter season: May–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.1/10
Best: June, July, August
UV Index
3
Low
Temperature 8°C / -2°C
Feels Like 4°C / -6°C
Rainy Days 7
Rainfall 36 mm
Sunshine 9 h
Humidity 71%
Wind Speed 15 km/h
Dew Point -2°C
Snow Days 9 days
Frost Days 22 days
Hottest Month
23°C
July
Avg Low13°C
Rain13days
Coldest Month
-17°C
February
Avg High-7°C
Rain5days
Driest Month
5days
February
Avg High-7°C
Avg Low-17°C
Windiest Month
16 km/h
April (Gusts 37)
Worst Time to Visit
Consider avoiding January, October, November, December due to very cold temperatures.
Sun Position
Sunrise 05:03
Daylight 17.6h
Sunset 22:41
Live conditions—
Grimshaw on the map · live conditions
Grimshaw, Canada
- Continent
- Americas
- Country
- Canada
- City
- Grimshaw
- Population
- 2.6K
- Coordinates
- 56.18°, -117.60°
Seasonal Breakdown
Spring
Mar–May
Avg High 9°C
Avg Low -3°C
Rain 6 days/mo
Summer
Jun–Aug
Avg High 22°C
Avg Low 11°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 8°C
Avg Low -1°C
Rain 7 days/mo
Winter
Dec–Feb
Avg High -8°C
Avg Low -16°C
Rain 6 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: -8°C / -15°C . Feb: -7°C / -17°C . Mar: 0°C / -11°C . Apr: 9°C / -3°C . May: 18°C / 5°C . Jun: 21°C / 10°C . Jul: 23°C / 13°C . Aug: 22°C / 12°C . Sep: 17°C / 7°C . Oct: 8°C / 0°C . Nov: -2°C / -9°C . Dec: -9°C / -17°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 20 mm. Feb: 19 mm. Mar: 16 mm. Apr: 19 mm. May: 47 mm. Jun: 72 mm. Jul: 80 mm. Aug: 58 mm. Sep: 31 mm. Oct: 28 mm. Nov: 22 mm. Dec: 25 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 76%. Mar: 73%. Apr: 61%. May: 58%. Jun: 65%. Jul: 69%. Aug: 70%. Sep: 70%. Oct: 73%. Nov: 79%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 14 km/h . Apr: 16 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 16 km/h . Nov: 15 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 6h. Mar: 9h. Apr: 11h. May: 12h. Jun: 13h. Jul: 13h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 4h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 5. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 2. 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: 12 days. Feb: 11 days. Mar: 10 days. Apr: 5 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 5 days. Nov: 13 days. Dec: 13 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 13 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 24°C | Jul · 23°C |
| Coldest month | Dec 2025 · -23°C | Feb · -17°C |
| Wettest month | Dec 2025 · 99 mm | Jul · 80 mm |
| Windiest month | Jan 2025 · 18 km/h | Apr · 16 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
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -8°C / -15°C | -12°C / -20°C | 6days (20 mm) Good | 3.9h Poor | 80% Humid | 1 Low | Poor | View Details |
| February | -7°C / -17°C | -12°C / -22°C | 5days (19 mm) Good | 6.3h Fair | 76% Humid | 2 Low | Poor | View Details |
| March | 0°C / -11°C | -4°C / -16°C | 5days (16 mm) Good | 8.8h Good | 73% Muggy | 3.4 Moderate | Poor | View Details |
| April | 9°C / -3°C | 5°C / -7°C | 5days (19 mm) Good | 10.9h Excellent | 61% Muggy | 4.5 Moderate | Poor | View Details |
| May | 18°C / 5°C | 15°C / 2°C | 7days (47 mm) Good | 12.3h Excellent | 58% Moderate | 5.4 High | Fair | View Details |
| June best | 21°C / 10°C | 19°C / 8°C | 11days (72 mm) Wet | 12.5h Excellent | 65% Muggy | 5.7 High | Good | View Details |
| July best | 23°C / 13°C | 22°C / 11°C | 13days (80 mm) Wet | 13h Excellent | 69% Muggy | 6.1 High | Excellent | View Details |
| August best | 22°C / 12°C | 21°C / 10°C | 10days (58 mm) Wet | 11.4h Excellent | 70% Muggy | 5 Moderate | Excellent | View Details |
| September | 17°C / 7°C | 15°C / 4°C | 8days (31 mm) Wet | 9.4h Good | 70% Muggy | 3.9 Moderate | Fair | View Details |
| October | 8°C / 0°C | 4°C / -4°C | 6days (28 mm) Good | 6.6h Fair | 73% Muggy | 2.2 Moderate | Poor | View Details |
| November | -2°C / -9°C | -6°C / -13°C | 6days (22 mm) Good | 4.4h Fair | 79% Humid | 1.2 Low | Poor | View Details |
| December | -9°C / -17°C | -14°C / -22°C | 7days (25 mm) Good | 3.5h Poor | 79% Humid | 0.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Grimshaw are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Grimshaw, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Grimshaw is July, with average daytime highs of 23°C (73°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Grimshaw is February, with average overnight lows of -17°C (1°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Grimshaw is July, averaging 80mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Grimshaw runs through July, June, August, with the heaviest rainfall in July. Based on 10-year averages for Grimshaw.
Grimshaw receives approximately 103 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Grimshaw.
The least favorable months to visit Grimshaw are January, October, November, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August instead.
The annual average UV index in Grimshaw is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Grimshaw is 71%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Grimshaw receives snow. Months with snowfall average 9 snow days and 11 cm (4 in) of accumulation, with about 22 frost days during winter.
Average wind speeds in Grimshaw are 15 km/h (9 mph). The windiest month is April with peak winds reaching 16 km/h (10 mph) (gusts up to 37 km/h / 23 mph).
Grimshaw averages 3 clear-sky days per month with overall cloud cover around 62%. The clearest skies occur in August.
The annual average dew point in Grimshaw is -2°C (28°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Grimshaw 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 Grimshaw ranges from -6°C (21°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 Grimshaw. It earns a climate score of 7/10 with Good.
For June in Grimshaw, pack Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (69°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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