Coquitlam, Canada experiences average highs of 15°C (59°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Average highs have stayed broadly stable across the available records.
Coquitlam, Canada Weather & Climate 2026
Monthly climate averages for Coquitlam, 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
4.7/10
Best: June, July, August, September
UV Index
4
Low
Temperature 15°C / 7°C
Feels Like 14°C / 5°C
Rainy Days 15
Rainfall 211 mm
Sunshine 8 h
Humidity 82%
Wind Speed 10 km/h
Dew Point 8°C
Snow Days 9 days
Frost Days 8 days
Hottest Month
26°C
August
Avg Low15°C
Rain7days
Coldest Month
0°C
February
Avg High6°C
Rain18days
Driest Month
6days
July
Avg High25°C
Avg Low15°C
Windiest Month
11 km/h
January (Gusts 32)
Sea Temperature
5°C – 20°C
Warmest water: August (
20°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 05:06
Daylight 16.2h
Sunset 21:20
Live conditions—
Coquitlam on the map · live conditions
Coquitlam, Canada
- Continent
- Americas
- Country
- Canada
- City
- Coquitlam
- Population
- 148.6K
- Coordinates
- 49.28°, -122.78°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 5°C
Rain 16 days/mo
Summer
Jun–Aug
Avg High 24°C
Avg Low 14°C
Rain 9 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 15°C
Avg Low 8°C
Rain 17 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 0°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: 6°C / 1°C . Feb: 6°C / 0°C . Mar: 10°C / 2°C . Apr: 14°C / 4°C . May: 19°C / 9°C . Jun: 21°C / 12°C . Jul: 25°C / 15°C . Aug: 26°C / 15°C . Sep: 21°C / 13°C . Oct: 15°C / 8°C . Nov: 9°C / 4°C . Dec: 6°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 344 mm. Feb: 215 mm. Mar: 250 mm. Apr: 191 mm. May: 116 mm. Jun: 109 mm. Jul: 44 mm. Aug: 53 mm. Sep: 172 mm. Oct: 298 mm. Nov: 397 mm. Dec: 348 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 83%. Mar: 83%. Apr: 79%. May: 76%. Jun: 76%. Jul: 71%. Aug: 74%. Sep: 82%. Oct: 87%. Nov: 91%. Dec: 91%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 11 km/h . Mar: 10 km/h . Apr: 10 km/h . May: 10 km/h . Jun: 10 km/h . Jul: 9 km/h . Aug: 9 km/h . Sep: 9 km/h . Oct: 10 km/h . Nov: 11 km/h . Dec: 11 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: 5°C . Feb: 6°C . Mar: 8°C . Apr: 11°C . May: 15°C . Jun: 17°C . Jul: 20°C . Aug: 20°C . Sep: 18°C . Oct: 13°C . Nov: 9°C . Dec: 6°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 4. 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: 10 days. Feb: 13 days. Mar: 10 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 6 days. Dec: 12 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 38 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 26°C | Aug · 26°C |
| Coldest month | Feb 2025 · -1°C | Feb · 0°C |
| Wettest month | Dec 2025 · 488 mm | Nov · 397 mm |
| Windiest month | Feb 2025 · 12 km/h | Jan · 11 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / 1°C | 3°C / -3°C | 19days (344 mm) Wet | 3.7h Poor | 89% Very Muggy | 1.1 Low | Wet | View Details |
| February | 6°C / 0°C | 4°C / -3°C | 18days (215 mm) Wet | 5.2h Fair | 83% Humid | 1.8 Low | Wet | View Details |
| March | 10°C / 2°C | 8°C / -1°C | 19days (250 mm) Wet | 7h Good | 83% Humid | 2.9 Moderate | Wet | View Details |
| April | 14°C / 4°C | 13°C / 2°C | 17days (191 mm) Wet | 9h Good | 79% Humid | 4.4 Moderate | Wet | View Details |
| May | 19°C / 9°C | 19°C / 7°C | 12days (116 mm) Wet | 10.9h Excellent | 76% Humid | 5.2 High | Good | View Details |
| June best | 21°C / 12°C | 22°C / 11°C | 13days (109 mm) Wet | 11.7h Excellent | 76% Humid | 5.9 High | Excellent | View Details |
| July best | 25°C / 15°C | 26°C / 15°C | 6days (44 mm) Good | 13h Excellent | 71% Muggy | 6.6 High | Excellent | View Details |
| August best | 26°C / 15°C | 27°C / 16°C | 7days (53 mm) Good | 11.7h Excellent | 74% Muggy | 5.6 High | Excellent | View Details |
| September best | 21°C / 13°C | 22°C / 13°C | 12days (172 mm) Wet | 9h Good | 82% Humid | 4.2 Moderate | Excellent | View Details |
| October | 15°C / 8°C | 14°C / 6°C | 18days (298 mm) Wet | 6.1h Fair | 87% Very Muggy | 2.4 Moderate | Wet | View Details |
| November | 9°C / 4°C | 8°C / 1°C | 20days (397 mm) Wet | 3.9h Poor | 91% Very Muggy | 1.3 Low | Wet | View Details |
| December | 6°C / 1°C | 3°C / -2°C | 21days (348 mm) Wet | 3h Poor | 91% Very Muggy | 0.8 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Coquitlam are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Coquitlam, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Coquitlam is August, with average daytime highs of 26°C (78°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Coquitlam is February, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Coquitlam is November, averaging 397mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Coquitlam runs through December, November, January, March, with the heaviest rainfall in December. Based on 10-year averages for Coquitlam.
Coquitlam receives approximately 94 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Coquitlam.
The least favorable months to visit Coquitlam are January, February, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Coquitlam is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Coquitlam is 82%, 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, Coquitlam receives snow. Months with snowfall average 9 snow days and 25 cm (10 in) of accumulation, with about 8 frost days during winter.
Average wind speeds in Coquitlam are 10 km/h (6 mph). The windiest month is January with peak winds reaching 11 km/h (7 mph) (gusts up to 32 km/h / 20 mph).
Coquitlam averages 4 clear-sky days per month with overall cloud cover around 67%. The clearest skies occur in July.
The annual average dew point in Coquitlam is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Coquitlam has a Oceanic climate, classified as Cfb 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 Coquitlam ranges from 5°C (41°F) to 14°C (57°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 Coquitlam. It earns a climate score of 7.7/10 with Excellent.
For June in Coquitlam, pack Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (71°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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