Chartwell, Canada experiences average highs of 13°C (55°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have stayed broadly stable across the available records.
Chartwell, Canada Weather & Climate 2026
Monthly climate averages for Chartwell, Canada. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Apr–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.4/10
Best: July, August, September
UV Index
3
Low
Temperature 13°C / 7°C
Feels Like 11°C / 5°C
Rainy Days 14
Rainfall 192 mm
Sunshine 8 h
Humidity 81%
Wind Speed 12 km/h
Dew Point 7°C
Snow Days 7 days
Frost Days 6 days
Hottest Month
23°C
August
Avg Low16°C
Rain6days
Coldest Month
1°C
February
Avg High5°C
Rain17days
Driest Month
5days
July
Avg High22°C
Avg Low14°C
Windiest Month
13 km/h
November (Gusts 34)
Sea Temperature
7°C – 19°C
Warmest water: August (
18.6°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 05:07
Daylight 16.2h
Sunset 21:21
Live conditions—
Chartwell on the map · live conditions
Chartwell, Canada
- Continent
- Americas
- Country
- Canada
- City
- Chartwell
- Population
- 1.4K
- Coordinates
- 49.35°, -123.15°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 5°C
Rain 15 days/mo
Summer
Jun–Aug
Avg High 21°C
Avg Low 14°C
Rain 8 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 13°C
Avg Low 8°C
Rain 16 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 5°C
Avg Low 1°C
Rain 19 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: 5°C / 1°C . Feb: 5°C / 1°C . Mar: 8°C / 2°C . Apr: 11°C / 4°C . May: 16°C / 9°C . Jun: 19°C / 11°C . Jul: 22°C / 14°C . Aug: 23°C / 16°C . Sep: 19°C / 13°C . Oct: 13°C / 8°C . Nov: 8°C / 4°C . Dec: 5°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 327 mm. Feb: 187 mm. Mar: 224 mm. Apr: 168 mm. May: 102 mm. Jun: 95 mm. Jul: 36 mm. Aug: 49 mm. Sep: 153 mm. Oct: 274 mm. Nov: 368 mm. Dec: 323 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 81%. Mar: 82%. Apr: 78%. May: 76%. Jun: 75%. Jul: 73%. Aug: 76%. Sep: 82%. Oct: 84%. Nov: 87%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 13 km/h . Feb: 13 km/h . Mar: 12 km/h . Apr: 12 km/h . May: 11 km/h . Jun: 11 km/h . Jul: 10 km/h . Aug: 10 km/h . Sep: 10 km/h . Oct: 12 km/h . Nov: 13 km/h . Dec: 13 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 5h. Mar: 7h. Apr: 9h. May: 11h. Jun: 12h. Jul: 13h. Aug: 12h. Sep: 9h. Oct: 6h. Nov: 4h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 7°C . Feb: 7°C . Mar: 8°C . Apr: 9°C . May: 13°C . Jun: 15°C . Jul: 18°C . Aug: 19°C . Sep: 17°C . Oct: 13°C . Nov: 10°C . Dec: 8°C .
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 7. Aug: UV 6. 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: 8 days. Feb: 10 days. Mar: 8 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 3 days. Dec: 9 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 40 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 23°C | Aug · 23°C |
| Coldest month | Feb 2025 · 0°C | Feb · 1°C |
| Wettest month | Dec 2025 · 424 mm | Nov · 368 mm |
| Windiest month | Dec 2025 · 14 km/h | Nov · 13 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Poor May
Good June
Good July best
Excellent August best
Excellent September best
Good October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / 1°C | 2°C / -2°C | 19days (327 mm) Wet | 3.7h Poor | 86% Very Muggy | 1.1 Low | Wet | View Details |
| February | 5°C / 1°C | 2°C / -3°C | 17days (187 mm) Wet | 5.3h Fair | 81% Humid | 1.7 Low | Wet | View Details |
| March | 8°C / 2°C | 5°C / -1°C | 19days (224 mm) Wet | 7.1h Good | 82% Humid | 2.9 Moderate | Wet | View Details |
| April | 11°C / 4°C | 9°C / 2°C | 16days (168 mm) Wet | 9.2h Good | 78% Humid | 4.5 Moderate | Poor | View Details |
| May | 16°C / 9°C | 15°C / 7°C | 11days (102 mm) Wet | 11.2h Excellent | 76% Humid | 5.3 High | Good | View Details |
| June | 19°C / 11°C | 19°C / 11°C | 12days (95 mm) Wet | 12.1h Excellent | 75% Muggy | 6 High | Good | View Details |
| July best | 22°C / 14°C | 23°C / 15°C | 5days (36 mm) Good | 13.3h Excellent | 73% Muggy | 6.5 High | Excellent | View Details |
| August best | 23°C / 16°C | 24°C / 16°C | 6days (49 mm) Good | 11.9h Excellent | 76% Humid | 5.5 High | Excellent | View Details |
| September best | 19°C / 13°C | 19°C / 12°C | 11days (153 mm) Wet | 9.2h Good | 82% Humid | 4.1 Moderate | Good | View Details |
| October | 13°C / 8°C | 11°C / 6°C | 17days (274 mm) Wet | 6.2h Fair | 84% Humid | 2.4 Moderate | Wet | View Details |
| November | 8°C / 4°C | 5°C / 1°C | 20days (368 mm) Wet | 4h Fair | 87% Very Muggy | 1.2 Low | Wet | View Details |
| December | 5°C / 2°C | 2°C / -2°C | 20days (323 mm) Wet | 3.1h Poor | 87% Very Muggy | 0.7 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Chartwell are July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Chartwell, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Chartwell is August, 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 Chartwell is February, with average overnight lows of 1°C (33°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Chartwell is November, averaging 368mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Chartwell runs through November, December, January, March, with the heaviest rainfall in November. Based on 10-year averages for Chartwell.
Chartwell receives approximately 96 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Chartwell.
The least favorable months to visit Chartwell are January, February, March, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider July, August, September instead.
The annual average UV index in Chartwell is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Chartwell is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 12°C (54°F), which most swimmers will find too cold without a wetsuit.
Yes, Chartwell receives snow. Months with snowfall average 7 snow days and 20 cm (8 in) of accumulation, with about 6 frost days during winter.
Average wind speeds in Chartwell are 12 km/h (7 mph). The windiest month is November with peak winds reaching 13 km/h (8 mph) (gusts up to 34 km/h / 21 mph).
Chartwell averages 4 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in July.
The annual average dew point in Chartwell is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Chartwell has a Warm-Summer Mediterranean climate, classified as Csb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Chartwell ranges from 5°C (41°F) to 11°C (52°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Chartwell. It earns a climate score of 6.8/10 with Good.
For June in Chartwell, pack Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 19°C (66°F) and 12 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.
Last updated: