Baie-Comeau in Summer
In summer (June, July and August), Baie-Comeau sees average daytime highs around 18°C and overnight lows near 13°C, with 280 mm of rain over about 36 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 14°C in early June to 17°C by late August. The sky is clear or mostly clear about 22% of the time across summer, and the air most often feels dry.
Summer is Baie-Comeau's best season of the year to visit on our travel score. For the whole year in context, see Baie-Comeau's year-round climate.
- Avg daytime high
- 18°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 280 mm
- 36 wet days
- Avg wind
- 12 km/h
- Travel score
- 5.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Baie-Comeau in Summer
Over the season highs climb from about 14°C in early June to 17°C by late August.
A typical summer day in Baie-Comeau reaches about 18°C and drops to 13°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Baie-Comeau
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Baie-Comeau weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -10° / -17° | 65 | 9.9 | 10.8 | 8.5 | 0.0 |
| Feb | -8° / -16° | 56 | 8.2 | 8.6 | 9.8 | 0.0 |
| Mar | -3° / -10° | 72 | 10.4 | 10 | 11.6 | 0.0 |
| Apr | 4° / -2° | 84 | 10.6 | 6.6 | 13.4 | 0.1 |
| May | 11° / 4° | 85 | 12 | 1 | 15.1 | 2.4 |
| Jun | 17° / 11° | 82 | 11.2 | 0 | 15.9 | 5.1 |
| Jul | 20° / 14° | 104 | 13.2 | 0 | 15.6 | 5.7 |
| Aug | 19° / 13° | 93 | 11.9 | 0 | 14.2 | 5.8 |
| Sep | 14° / 9° | 103 | 11.5 | 0 | 12.4 | 4.0 |
| Oct | 8° / 4° | 110 | 12.2 | 1.9 | 10.5 | 1.2 |
| Nov | 2° / -3° | 95 | 11.5 | 7.9 | 8.9 | 0.0 |
| Dec | -5° / -12° | 90 | 11.9 | 12 | 8.1 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 22% of the time across summer.
Chance of precipitation in Summer
Baie-Comeau gets around 280 mm of rain over 36 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 12 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 42 min in early June to 13 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.4 kWh/m².
Is summer a good time to visit Baie-Comeau?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Baie-Comeau for sightseeing.
What to pack for Baie-Comeau in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Baie-Comeau sees daytime highs around 18°C and nights near 13°C. Worth packing: a warm layer, rain gear and sun protection. About 36 days see rain.
Sea temperature near Baie-Comeau in Summer
The nearest coast averages about 12°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 13°C and coldest in February near -1°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 0 | 0 | 0 | 1 | 4 | 10 | 13 | 13 | 10 | 6 | 2 | 1 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 0 | Bracing |
| Feb | 0 | Bracing |
| Mar | 0 | Bracing |
| Apr | 1 | Bracing |
| May | 4 | Bracing |
| Jun | 10 | Bracing |
| Jul | 13 | Bracing |
| Aug | 13 | Bracing |
| Sep | 10 | Bracing |
| Oct | 6 | Bracing |
| Nov | 2 | Bracing |
| Dec | 1 | Bracing |
UV index in Baie-Comeau in Summer
Clear-sky midday UV across summer averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Baie-Comeau peaks around July 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 2 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | Moderate | High | High | Low | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 5 | Moderate |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 2 | Low |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Baie-Comeau in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Baie-Comeau is worst in June — around 18 µg/m³ PM2.5 (moderate), about 10.1× the cleanest month (December, 2 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 3 | 4 | 7 | 8 | 8 | 18 | 10 | 9 | 6 | 4 | 2 | 2 |
| Level | Good | Good | Good | Good | Good | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 3 | Good |
| Feb | 4 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 18 | Moderate |
| Jul | 10 | Good |
| Aug | 9 | Good |
| Sep | 6 | Good |
| Oct | 4 | Good |
| Nov | 2 | Good |
| Dec | 2 | Good |
Where is Baie-Comeau?
Baie-Comeau sits at 49.2°N, 68.1°W, 76 m above sea level, in Canada. The nearest listed city is Rimouski, 90 km away.
Topography around Baie-Comeau
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Baie-Comeau.
Within 3 km, the terrain around Baie-Comeau has only modest variations in elevation — a maximum elevation change of 127 m around an average of 37 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, significant variations in elevation — a maximum elevation change of 599 m.
The land around Baie-Comeau is covered by water (48%) and trees (35%) within 3 km, water (48%) and trees (43%) within 16 km, and trees (55%) and water (40%) within 80 km.
Canada travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 83% of US
- price level, 2025
- GDP per capita
- $55,698
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 2
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Baie-Comeau (49.2168°, -68.1489°, elevation 76 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.