Kingston in Summer
In summer (June, July and August), Kingston sees average daytime highs around 24°C and overnight lows near 17°C, with 292 mm of rain over about 34 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 20°C in early June to 23°C by late August. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels humid.
Summer is Kingston's best season of the year to visit on our travel score. For the whole year in context, see Kingston's year-round climate.
- Avg daytime high
- 24°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 292 mm
- 34 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Kingston in Summer
Over the season highs climb from about 20°C in early June to 23°C by late August.
A typical summer day in Kingston reaches about 24°C and drops to 17°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Kingston
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.
Kingston 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 | -3° / -10° | 74 | 10.8 | 8.8 | 9.1 | 0.0 |
| Feb | -2° / -9° | 59 | 9.1 | 7.2 | 10.2 | 0.0 |
| Mar | 3° / -5° | 73 | 10 | 5.8 | 11.6 | 0.0 |
| Apr | 10° / 3° | 101 | 11.5 | 2 | 13.2 | 2.0 |
| May | 17° / 10° | 81 | 11.2 | 0 | 14.5 | 5.1 |
| Jun | 22° / 16° | 97 | 11.4 | 0 | 15.3 | 6.5 |
| Jul | 25° / 19° | 99 | 11.3 | 0 | 15 | 6.7 |
| Aug | 24° / 18° | 96 | 11.1 | 0 | 13.8 | 6.8 |
| Sep | 20° / 13° | 95 | 10.1 | 0 | 12.3 | 6.3 |
| Oct | 13° / 7° | 104 | 12.7 | 0.2 | 10.8 | 3.5 |
| Nov | 7° / 1° | 89 | 11 | 2.6 | 9.4 | 0.8 |
| Dec | 1° / -5° | 83 | 12 | 7.4 | 8.7 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Kingston gets around 292 mm of rain over 34 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 06 min in early June to 13 h 06 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 6.0 kWh/m².
Is summer a good time to visit Kingston?
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 Kingston for sightseeing.
What to pack for Kingston in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kingston sees daytime highs around 24°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 34 days see rain.
Sea temperature near Kingston in Summer
The nearest coast averages about 19°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 14 km away) is warmest in August at about 22°C and coldest in March near 1°C.
It's comfortable for a long swim from Jul 13 to Sep 12 — about 2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 2 | 1 | 3 | 7 | 15 | 21 | 22 | 20 | 15 | 10 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 2 | Bracing |
| Mar | 1 | Bracing |
| Apr | 3 | Bracing |
| May | 7 | Bracing |
| Jun | 15 | Bracing |
| Jul | 21 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 20 | Cool |
| Oct | 15 | Bracing |
| Nov | 10 | Bracing |
| Dec | 6 | Bracing |
UV index in Kingston 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 Kingston peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 | 8 | 5 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | Moderate | High | Very high | Very high | High | High | 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 | 8 | Very high |
| Aug | 5 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Kingston?
Kingston sits at 44.2°N, 76.5°W, 70 m above sea level, in Canada. The nearest listed city is Greater Napanee, 37 km away.
Topography around Kingston
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kingston.
Within 3 km, the terrain around Kingston has only modest variations in elevation — a maximum elevation change of 43 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 94 m; within 80 km, significant variations in elevation — a maximum elevation change of 487 m.
The land around Kingston is covered by water (49%) and artificial surfaces (25%) within 3 km, water (37%), trees (25%) and grassland (21%) within 16 km, and trees (47%) and water (30%) 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 Kingston (44.2298°, -76.481°, elevation 70 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.