Whitehorse in Summer
In summer (June, July and August), Whitehorse sees average daytime highs around 17°C and overnight lows near 7°C, with 150 mm of precipitation over about 33 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels dry.
Summer is Whitehorse's best season of the year to visit on our travel score. For the whole year in context, see Whitehorse's year-round climate.
- Avg daytime high
- 17°C
- warmest season of the year
- Avg overnight low
- 7°C
- Precipitation
- 150 mm
- 33 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Whitehorse in Summer
Across summer, daytime highs hold fairly steady around 17°C.
A typical summer day in Whitehorse reaches about 17°C and drops to 7°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Whitehorse
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.
Whitehorse 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 | -14° / -20° | 25 | 7.3 | 8.7 | 6.2 | 0.0 |
| Feb | -9° / -18° | 16 | 5 | 6.7 | 8.5 | 0.0 |
| Mar | -3° / -14° | 15 | 4.7 | 6.5 | 11.3 | 0.0 |
| Apr | 5° / -5° | 14 | 4.1 | 4 | 14.2 | 0.6 |
| May | 12° / 1° | 25 | 6.9 | 1.8 | 16.9 | 3.5 |
| Jun | 17° / 6° | 44 | 10.3 | 0.2 | 18.6 | 5.3 |
| Jul | 19° / 8° | 53 | 11.1 | 0 | 17.9 | 5.7 |
| Aug | 17° / 7° | 53 | 11.1 | 0.2 | 15.5 | 4.9 |
| Sep | 11° / 2° | 49 | 11.2 | 2.4 | 12.6 | 2.3 |
| Oct | 2° / -4° | 41 | 10.4 | 9.3 | 9.7 | 0.1 |
| Nov | -8° / -13° | 27 | 7.8 | 9.7 | 7 | 0.0 |
| Dec | -12° / -18° | 28 | 7.3 | 9.5 | 5.4 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 11% of the time across summer.
Chance of precipitation in Summer
Whitehorse gets around 150 mm of rain and snow over 33 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 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 18 h 06 min in early June to 14 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 5.2 kWh/m².
Is summer a good time to visit Whitehorse?
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 Whitehorse for sightseeing.
What to pack for Whitehorse in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Whitehorse sees daytime highs around 17°C and nights near 7°C. Pack sun protection. Worth having: a warm layer and rain gear. About 33 days see rain.
UV index in Whitehorse 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 Whitehorse peaks around July 15 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 4 | 3 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Low |
| Apr | 3 | Moderate |
| May | 4 | Moderate |
| Jun | 5 | Moderate |
| Jul | 6 | High |
| Aug | 4 | Moderate |
| Sep | 3 | Moderate |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Where is Whitehorse?
Whitehorse sits at 60.7°N, 135.1°W, 707 m above sea level, in Canada. The nearest listed city is Juneau, 271 km away.
Topography around Whitehorse
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Whitehorse.
Within 3 km, the terrain around Whitehorse has only modest variations in elevation — a maximum elevation change of 181 m around an average of 688 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,175 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,734 m.
The land around Whitehorse is covered by trees (62%) within 3 km, trees (80%) within 16 km, and trees (65%) 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 Whitehorse (60.7161°, -135.0538°, elevation 707 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.