Kaslo, Canada experiences average highs of 12°C (54°F) and lows of 4°C (39°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Kaslo, Canada Weather & Climate 2026
Monthly climate averages for Kaslo, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.5/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 12°C / 4°C
Feels Like 11°C / 3°C
Rainy Days 15
Rainfall 95 mm
Sunshine 9 h
Humidity 76%
Wind Speed 7 km/h
Dew Point 4°C
Snow Days 15 days
Frost Days 17 days
Hottest Month
28°C
July
Avg Low17°C
Rain12days
Coldest Month
-6°C
December
Avg High-1°C
Rain17days
Driest Month
10days
August
Avg High28°C
Avg Low17°C
Windiest Month
8 km/h
July (Gusts 40)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:40
Daylight 16.3h
Sunset 20:59
Live conditions—
Kaslo on the map · live conditions
Kaslo, Canada
- Continent
- Americas
- Country
- Canada
- City
- Kaslo
- Population
- 1K
- Coordinates
- 49.92°, -116.92°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 3°C
Rain 16 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 26°C
Avg Low 16°C
Rain 13 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 12°C
Avg Low 4°C
Rain 15 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 0°C
Avg Low -6°C
Rain 16 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: 0°C / -5°C . Feb: 0°C / -5°C . Mar: 6°C / 0°C . Apr: 10°C / 3°C . May: 17°C / 7°C . Jun: 23°C / 12°C . Jul: 28°C / 17°C . Aug: 28°C / 17°C . Sep: 22°C / 12°C . Oct: 12°C / 3°C . Nov: 4°C / -2°C . Dec: -1°C / -6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 83 mm. Feb: 91 mm. Mar: 106 mm. Apr: 95 mm. May: 78 mm. Jun: 121 mm. Jul: 71 mm. Aug: 59 mm. Sep: 79 mm. Oct: 112 mm. Nov: 123 mm. Dec: 119 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 81%. Mar: 78%. Apr: 75%. May: 74%. Jun: 70%. Jul: 59%. Aug: 59%. Sep: 68%. Oct: 81%. Nov: 89%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 6 km/h . Feb: 6 km/h . Mar: 7 km/h . Apr: 7 km/h . May: 7 km/h . Jun: 8 km/h . Jul: 8 km/h . Aug: 8 km/h . Sep: 7 km/h . Oct: 6 km/h . Nov: 6 km/h . Dec: 6 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 10h. May: 12h. Jun: 12h. Jul: 14h. Aug: 12h. Sep: 10h. Oct: 7h. Nov: 5h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. 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: 21 days. Feb: 20 days. Mar: 22 days. Apr: 19 days. May: 8 days. Jun: 4 days. Jul: 0 days. Aug: 0 days. Sep: 3 days. Oct: 15 days. Nov: 21 days. Dec: 21 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 · 27°C | Jul · 28°C |
| Coldest month | Feb 2025 · -7°C | Dec · -6°C |
| Wettest month | Dec 2025 · 242 mm | Nov · 123 mm |
| Windiest month | Jul 2025 · 8 km/h | Jul · 8 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Wet April
Poor May best
Good June best
Wet 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 | 0°C / -5°C | -3°C / -9°C | 16days (83 mm) Wet | 4.5h Fair | 86% Very Muggy | 1.5 Low | Poor | View Details |
| February | 0°C / -5°C | -3°C / -9°C | 15days (91 mm) Wet | 6.2h Fair | 81% Humid | 2.3 Moderate | Poor | View Details |
| March | 6°C / 0°C | 3°C / -3°C | 18days (106 mm) Wet | 8.1h Good | 78% Humid | 3.8 Moderate | Wet | View Details |
| April | 10°C / 3°C | 8°C / 1°C | 17days (95 mm) Wet | 10h Excellent | 75% Muggy | 5.3 High | Poor | View Details |
| May best | 17°C / 7°C | 16°C / 6°C | 14days (78 mm) Wet | 11.7h Excellent | 74% Muggy | 6.2 High | Good | View Details |
| June best | 23°C / 12°C | 23°C / 12°C | 18days (121 mm) Wet | 12.1h Excellent | 70% Muggy | 6.6 High | Wet | View Details |
| July best | 28°C / 17°C | 29°C / 18°C | 12days (71 mm) Wet | 13.5h Excellent | 59% Moderate | 7 High | Excellent | View Details |
| August best | 28°C / 17°C | 29°C / 18°C | 10days (59 mm) Wet | 11.9h Excellent | 59% Moderate | 6 High | Excellent | View Details |
| September best | 22°C / 12°C | 21°C / 11°C | 12days (79 mm) Wet | 9.7h Good | 68% Muggy | 4.8 Moderate | Excellent | View Details |
| October | 12°C / 3°C | 10°C / 1°C | 15days (112 mm) Wet | 7.1h Good | 81% Humid | 3 Moderate | Poor | View Details |
| November | 4°C / -2°C | 1°C / -5°C | 17days (123 mm) Wet | 4.6h Fair | 89% Very Muggy | 1.5 Low | Poor | View Details |
| December | -1°C / -6°C | -4°C / -9°C | 17days (119 mm) Wet | 3.9h Poor | 87% Very Muggy | 1.2 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Kaslo 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 Kaslo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Kaslo is July, with average daytime highs of 28°C (83°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Kaslo is December, with average overnight lows of -6°C (21°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Kaslo is November, averaging 123mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Kaslo runs through March, June, April, November, with the heaviest rainfall in March. Based on 10-year averages for Kaslo.
Kaslo receives approximately 103 sunshine hours per year. The sunniest month is July with around 14 hours. Based on climate data for Kaslo.
The least favorable months to visit Kaslo are January, February, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Kaslo is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Kaslo is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Kaslo receives snow. Months with snowfall average 15 snow days and 48 cm (19 in) of accumulation, with about 17 frost days during winter.
Average wind speeds in Kaslo are 7 km/h (4 mph). The windiest month is July with peak winds reaching 8 km/h (5 mph) (gusts up to 40 km/h / 25 mph).
Kaslo averages 3 clear-sky days per month with overall cloud cover around 67%. The clearest skies occur in July.
The annual average dew point in Kaslo is 4°C (39°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Kaslo 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 Kaslo 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.
June is not the best time to visit Kaslo, with a climate score of 7.4/10. Consider visiting during May, June, July, August, September instead for better conditions.
For June in Kaslo, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 23°C (73°F) and 18 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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