Saint John West in Summer
In summer (June, July and August), Saint John West sees average daytime highs around 17°C and overnight lows near 13°C, with 280 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 13°C in early June to 18°C by late August. The sky is clear or mostly clear about 20% of the time across summer, and the air most often feels dry.
Summer is Saint John West's best season of the year to visit on our travel score. For the whole year in context, see Saint John West's year-round climate.
- Avg daytime high
- 17°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 280 mm
- 32 wet days
- Avg wind
- 14 km/h
- Travel score
- 5.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Saint John West in Summer
Over the season highs climb from about 13°C in early June to 18°C by late August.
A typical summer day in Saint John West reaches about 17°C and drops to 13°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Saint John West
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.
Saint John West 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 | -2° / -9° | 112 | 11.6 | 8.4 | 8.9 | 0.0 |
| Feb | -1° / -8° | 95 | 10.3 | 8.2 | 10.1 | 0.0 |
| Mar | 2° / -4° | 112 | 11.4 | 7.2 | 11.6 | 0.0 |
| Apr | 6° / 1° | 105 | 12.3 | 3.4 | 13.2 | 0.5 |
| May | 11° / 6° | 104 | 12.3 | 0.2 | 14.6 | 2.4 |
| Jun | 15° / 11° | 108 | 12.1 | 0 | 15.4 | 4.3 |
| Jul | 18° / 14° | 91 | 11 | 0 | 15.1 | 5.6 |
| Aug | 19° / 14° | 81 | 9.3 | 0 | 13.9 | 6.1 |
| Sep | 16° / 12° | 108 | 10 | 0 | 12.3 | 5.1 |
| Oct | 12° / 7° | 133 | 10.9 | 0.2 | 10.7 | 3.1 |
| Nov | 7° / 2° | 128 | 11.8 | 2.3 | 9.3 | 0.8 |
| Dec | 2° / -4° | 137 | 13.1 | 6.9 | 8.6 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 20% of the time across summer.
Chance of precipitation in Summer
Saint John West gets around 280 mm of rain over 32 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 12 min in early June to 13 h 12 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 Saint John West?
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 Saint John West for sightseeing.
What to pack for Saint John West in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Saint John West sees daytime highs around 17°C and nights near 13°C. Worth packing: a warm layer, rain gear and sun protection. About 32 days see rain.
Sea temperature near Saint John West 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 at the nearest coast (about 15 km away) is warmest in August at about 14°C and coldest in March near 2°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) | 5 | 3 | 2 | 3 | 6 | 9 | 13 | 14 | 13 | 12 | 10 | 7 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 5 | Bracing |
| Feb | 3 | Bracing |
| Mar | 2 | Bracing |
| Apr | 3 | Bracing |
| May | 6 | Bracing |
| Jun | 9 | Bracing |
| Jul | 13 | Bracing |
| Aug | 14 | Bracing |
| Sep | 13 | Bracing |
| Oct | 12 | Bracing |
| Nov | 10 | Bracing |
| Dec | 7 | Bracing |
UV index in Saint John West in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint John West peaks around July 11 at about 7 (very 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 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | Moderate | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 7 | Very high |
| Aug | 6 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Saint John West?
Saint John West sits at 45.3°N, 66.1°W, 22 m above sea level, in Canada. The nearest listed city is Saint John, 2.0 km away.
Topography around Saint John West
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint John West.
Within 3 km, the terrain around Saint John West has only modest variations in elevation — a maximum elevation change of 77 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 202 m; within 80 km, significant variations in elevation — a maximum elevation change of 449 m.
The land around Saint John West is covered by water (42%) and artificial surfaces (27%) within 3 km, trees (49%) and water (41%) within 16 km, and trees (48%) and water (45%) 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 Saint John West (45.2594°, -66.0778°, elevation 22 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.