Big River, Canada experiences average highs of 7°C (45°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. Average highs have stayed broadly stable across the available records.
Big River, Canada Weather & Climate 2026
Monthly climate averages for Big River, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.4/10
Best: June, July, August, September
UV Index
4
Low
Temperature 7°C / -2°C
Feels Like 4°C / -5°C
Rainy Days 7
Rainfall 39 mm
Sunshine 8 h
Humidity 72%
Wind Speed 17 km/h
Dew Point -2°C
Snow Days 8 days
Frost Days 21 days
Hottest Month
24°C
July
Avg Low14°C
Rain11days
Coldest Month
-18°C
February
Avg High-9°C
Rain4days
Driest Month
4days
February
Avg High-9°C
Avg Low-18°C
Windiest Month
18 km/h
April (Gusts 41)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures.
Sun Position
Sunrise 04:38
Daylight 17.1h
Sunset 21:42
Live conditions—
Big River on the map · live conditions
Big River, Canada
- Continent
- Americas
- Country
- Canada
- City
- Big River
- Population
- 666
- Coordinates
- 53.83°, -107.02°
Seasonal Breakdown
Spring
Mar–May
Avg High 8°C
Avg Low -3°C
Rain 7 days/mo
Summer
Jun–Aug
Avg High 22°C
Avg Low 13°C
Rain 11 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 8°C
Avg Low 0°C
Rain 6 days/mo
1/3 best months
Winter
Dec–Feb
Avg High -9°C
Avg Low -17°C
Rain 5 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: -9°C / -17°C . Feb: -9°C / -18°C . Mar: -1°C / -11°C . Apr: 8°C / -3°C . May: 18°C / 5°C . Jun: 21°C / 11°C . Jul: 24°C / 14°C . Aug: 23°C / 13°C . Sep: 18°C / 9°C . Oct: 8°C / 1°C . Nov: -2°C / -8°C . Dec: -9°C / -16°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 24 mm. Feb: 13 mm. Mar: 22 mm. Apr: 24 mm. May: 44 mm. Jun: 78 mm. Jul: 81 mm. Aug: 62 mm. Sep: 41 mm. Oct: 32 mm. Nov: 30 mm. Dec: 16 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 76%. Mar: 73%. Apr: 64%. May: 59%. Jun: 67%. Jul: 71%. Aug: 71%. Sep: 69%. Oct: 73%. Nov: 81%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 16 km/h . Mar: 17 km/h . Apr: 18 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 16 km/h . Aug: 17 km/h . Sep: 17 km/h . Oct: 18 km/h . Nov: 17 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 7h. Mar: 9h. Apr: 11h. May: 12h. Jun: 12h. 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: 10 days. Mar: 10 days. Apr: 6 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 6 days. Nov: 11 days. Dec: 12 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 · 24°C | Jul · 24°C |
| Coldest month | Dec 2025 · -23°C | Feb · -18°C |
| Wettest month | Aug 2025 · 89 mm | Jul · 81 mm |
| Windiest month | May 2025 · 20 km/h | Apr · 18 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
Excellent October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -9°C / -17°C | -14°C / -22°C | 6days (24 mm) Good | 4.3h Fair | 80% Humid | 1.1 Low | Poor | View Details |
| February | -9°C / -18°C | -14°C / -23°C | 4days (13 mm) Good | 6.9h Fair | 76% Humid | 2.1 Moderate | Poor | View Details |
| March | -1°C / -11°C | -6°C / -16°C | 6days (22 mm) Good | 8.7h Good | 73% Muggy | 3.4 Moderate | Poor | View Details |
| April | 8°C / -3°C | 4°C / -8°C | 6days (24 mm) Good | 10.6h Excellent | 64% Muggy | 4.7 Moderate | Poor | View Details |
| May | 18°C / 5°C | 15°C / 2°C | 8days (44 mm) Wet | 11.6h Excellent | 59% Moderate | 5.4 High | Fair | View Details |
| June best | 21°C / 11°C | 19°C / 9°C | 13days (78 mm) Wet | 11.9h Excellent | 67% Muggy | 5.8 High | Good | View Details |
| July best | 24°C / 14°C | 23°C / 13°C | 11days (81 mm) Wet | 12.6h Excellent | 71% Muggy | 6.2 High | Excellent | View Details |
| August best | 23°C / 13°C | 22°C / 12°C | 9days (62 mm) Wet | 11.1h Excellent | 71% Muggy | 5.2 High | Excellent | View Details |
| September best | 18°C / 9°C | 16°C / 6°C | 6days (41 mm) Good | 9h Good | 69% Muggy | 4.1 Moderate | Excellent | View Details |
| October | 8°C / 1°C | 4°C / -3°C | 6days (32 mm) Good | 6.5h Fair | 73% Muggy | 2.4 Moderate | Poor | View Details |
| November | -2°C / -8°C | -7°C / -13°C | 6days (30 mm) Good | 4.2h Fair | 81% Humid | 1.3 Low | Poor | View Details |
| December | -9°C / -16°C | -14°C / -22°C | 5days (16 mm) Good | 3.9h Poor | 79% Humid | 0.9 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Big River are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Big River, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Big River is July, with average daytime highs of 24°C (74°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Big River is February, with average overnight lows of -18°C (0°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Big River is July, averaging 81mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Big River runs through June, July, with the heaviest rainfall in June. Based on 10-year averages for Big River.
Big River receives approximately 101 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Big River.
The least favorable months to visit Big River 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 Big River is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Big River is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Big River receives snow. Months with snowfall average 8 snow days and 11 cm (4 in) of accumulation, with about 21 frost days during winter.
Average wind speeds in Big River are 17 km/h (11 mph). The windiest month is April with peak winds reaching 18 km/h (11 mph) (gusts up to 41 km/h / 26 mph).
Big River 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 Big River is -2°C (28°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Big River 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 Big River 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 Big River. It earns a climate score of 7/10 with Good.
For June in Big River, pack Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (70°F) and 13 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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