Kalispell in Summer
In summer (June, July and August), Kalispell sees average daytime highs around 74°F and overnight lows near 48°F, with 5.8 in of precipitation over about 23 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 65°F in early June to 74°F by late August. The sky is clear or mostly clear about 45% of the time across summer, and the air most often feels dry.
Summer is Kalispell's best season of the year to visit on our travel score. For the whole year in context, see Kalispell's year-round climate.
- Avg daytime high
- 74°F
- warmest season of the year
- Avg overnight low
- 48°F
- Precipitation
- 5.8 in
- 23 wet days
- Avg wind
- 3 mph
- Travel score
- 7.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Kalispell in Summer
Over the season highs climb from about 65°F in early June to 74°F by late August.
A typical summer day in Kalispell reaches about 74°F and drops to 48°F overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Kalispell
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Kalispell 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 (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 29° / 17° | 2.7 | 14 | 14.3 | 8.6 | 0.0 |
| Feb | 33° / 18° | 2.1 | 11.2 | 11.4 | 9.9 | 0.0 |
| Mar | 40° / 23° | 2.6 | 14.2 | 10.1 | 11.6 | 0.2 |
| Apr | 50° / 30° | 2.7 | 14.1 | 5.3 | 13.4 | 2.1 |
| May | 60° / 38° | 3.0 | 13.7 | 1.2 | 14.9 | 4.5 |
| Jun | 67° / 45° | 3.5 | 12.1 | 0.4 | 15.8 | 5.9 |
| Jul | 77° / 50° | 1.2 | 5.7 | 0 | 15.5 | 7.8 |
| Aug | 78° / 50° | 1.2 | 5 | 0.1 | 14.1 | 7.9 |
| Sep | 66° / 43° | 1.8 | 7.1 | 0.1 | 12.4 | 6.6 |
| Oct | 51° / 34° | 2.6 | 11.9 | 2.8 | 10.6 | 2.6 |
| Nov | 38° / 26° | 3.0 | 14.1 | 10.6 | 9 | 0.0 |
| Dec | 30° / 19° | 2.7 | 13.4 | 14.1 | 8.2 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 45% of the time across summer.
Chance of precipitation in Summer
Kalispell gets around 5.8 in of rain and snow over 23 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 3 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 36 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 6.7 kWh/m².
Is summer a good time to visit Kalispell?
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 one of the better times to visit Kalispell for general sightseeing.
What to pack for Kalispell in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kalispell sees daytime highs around 74°F and nights near 48°F. Pack sun protection. Worth having: light clothes, a warm layer and rain gear. About 23 days see rain.
UV index in Kalispell 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 Kalispell peaks around July 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 6 | 8 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Kalispell 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 Kalispell is worst in August — around 44 µg/m³ PM2.5 (poor), about 10.8× the cleanest month (December, 4 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) | 5 | 6 | 8 | 10 | 10 | 9 | 15 | 44 | 31 | 12 | 7 | 4 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Poor | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 6 | Good |
| Mar | 8 | Good |
| Apr | 10 | Good |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 15 | Moderate |
| Aug | 44 | Poor |
| Sep | 31 | Moderate |
| Oct | 12 | Good |
| Nov | 7 | Good |
| Dec | 4 | Good |
Where is Kalispell?
Kalispell sits at 48.2°N, 114.3°W, 2,956 ft above sea level, in United States. The nearest listed city is Whitefish, 15 mi away.
Topography around Kalispell
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Kalispell.
Within 2 miles, the terrain around Kalispell has only modest variations in elevation — a maximum elevation change of 804 ft around an average of 2,969 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,900 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,871 ft.
The land around Kalispell is covered by grassland (36%), trees (30%) and artificial surfaces (29%) within 2 miles, trees (38%), grassland (35%) and cropland (21%) within 10 miles, and trees (73%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- 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 Kalispell (48.1958°, -114.3129°, elevation 2,956 ft), 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.