Grants Pass in Summer
In summer (June, July and August), Grants Pass sees average daytime highs around 82°F and overnight lows near 54°F, with 1.6 in of rain over about 7 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 72°F in early June to 83°F by late August. The sky is clear or mostly clear about 70% of the time across summer, and the air most often feels dry.
Summer is Grants Pass's best season of the year to visit on our travel score. For the whole year in context, see Grants Pass's year-round climate.
- Avg daytime high
- 82°F
- warmest season of the year
- Avg overnight low
- 54°F
- Rainfall
- 1.6 in
- 7 wet days
- Avg wind
- 4 mph
- Travel score
- 7.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Grants Pass in Summer
Over the season highs climb from about 72°F in early June to 83°F by late August.
A typical summer day in Grants Pass reaches about 82°F and drops to 54°F overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Grants Pass
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.
Grants Pass 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 | 47° / 32° | 5.2 | 14.2 | 4 | 9.2 | 1.3 |
| Feb | 51° / 34° | 4.2 | 12.7 | 3.5 | 10.3 | 2.2 |
| Mar | 55° / 36° | 4.6 | 14.7 | 2.8 | 11.6 | 3.2 |
| Apr | 60° / 39° | 3.2 | 13.1 | 1.5 | 13.1 | 4.4 |
| May | 68° / 45° | 2.3 | 9.3 | 0 | 14.4 | 6.5 |
| Jun | 75° / 50° | 1.0 | 4.3 | 0 | 15 | 8.0 |
| Jul | 85° / 56° | 0.3 | 1.4 | 0 | 14.8 | 6.9 |
| Aug | 85° / 55° | 0.4 | 1.6 | 0 | 13.7 | 6.8 |
| Sep | 79° / 51° | 0.7 | 3 | 0 | 12.3 | 8.3 |
| Oct | 66° / 43° | 2.1 | 7 | 0 | 10.8 | 6.7 |
| Nov | 52° / 36° | 4.5 | 13 | 1.6 | 9.6 | 2.6 |
| Dec | 45° / 32° | 6.7 | 14.7 | 4.4 | 8.9 | 0.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 70% of the time across summer.
Chance of precipitation in Summer
Grants Pass gets around 1.6 in of rain over 7 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 4 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 54 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 7.3 kWh/m².
Hazard calendar for Grants Pass
None of Grants Pass's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Grants Pass's rainy season runs November–April, when most of the year's rain falls.
Is summer a good time to visit Grants Pass?
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 Grants Pass for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Grants Pass in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Grants Pass sees daytime highs around 82°F and nights near 54°F. Pack light clothes and sun protection. About 7 days see rain.
UV index in Grants Pass in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Grants Pass peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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) | 2 | 2 | 5 | 6 | 9 | 9 | 9 | 7 | 5 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Grants Pass 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 Grants Pass is worst in September — around 56 µg/m³ PM2.5 (unhealthy), about 10.4× the cleanest month (January, 5 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 | 7 | 8 | 9 | 8 | 7 | 15 | 32 | 56 | 9 | 14 | 14 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Unhealthy | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 7 | Good |
| Mar | 8 | Good |
| Apr | 9 | Good |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 15 | Moderate |
| Aug | 32 | Moderate |
| Sep | 56 | Unhealthy |
| Oct | 9 | Good |
| Nov | 14 | Moderate |
| Dec | 14 | Moderate |
Where is Grants Pass?
Grants Pass sits at 42.4°N, 123.3°W, 945 ft above sea level, in United States. The nearest listed city is Central Point, 22 mi away.
Topography around Grants Pass
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Grants Pass.
Within 2 miles, the terrain around Grants Pass has significant variations in elevation — a maximum elevation change of 1,247 ft around an average of 1,063 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,776 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,421 ft.
The land around Grants Pass is covered by artificial surfaces (43%) and trees (41%) within 2 miles, trees (85%) within 10 miles, and trees (89%) 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 Grants Pass (42.4393°, -123.3307°, elevation 945 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.