Saint George in Summer
In summer (June, July and August), Saint George sees average daytime highs around 94°F and overnight lows near 69°F, with 1.0 in of rain over about 6 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 88°F in early June to 93°F by late August. The sky is clear or mostly clear about 73% of the time across summer, and the air most often feels dry.
Summer is Saint George's 3rd-best season to visit on our travel score. For the whole year in context, see Saint George's year-round climate.
- Avg daytime high
- 94°F
- warmest season of the year
- Avg overnight low
- 69°F
- Rainfall
- 1.0 in
- 6 wet days
- Avg wind
- 4 mph
- Travel score
- 3.4
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Saint George in Summer
Over the season highs climb from about 88°F in early June to 93°F by late August.
A typical summer day in Saint George reaches about 94°F and drops to 69°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Saint George
Once humidity and wind are folded in, summer brings about 84 days that feel above 90°F and 0 that feel at or below 32°F.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Saint George 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 | 51° / 30° | 1.4 | 5.1 | 2.1 | 9.7 | 2.8 |
| Feb | 55° / 34° | 1.7 | 6.1 | 1.9 | 10.6 | 4.0 |
| Mar | 63° / 40° | 1.3 | 5.6 | 1 | 11.7 | 6.4 |
| Apr | 71° / 46° | 0.7 | 3 | 0.4 | 12.9 | 8.0 |
| May | 81° / 55° | 0.3 | 2.1 | 0 | 14 | 7.8 |
| Jun | 92° / 64° | 0.1 | 0.5 | 0 | 14.5 | 4.4 |
| Jul | 97° / 72° | 0.4 | 2.1 | 0 | 14.3 | 2.6 |
| Aug | 95° / 70° | 0.5 | 2.9 | 0 | 13.4 | 3.2 |
| Sep | 87° / 61° | 0.8 | 2.7 | 0 | 12.3 | 6.1 |
| Oct | 74° / 48° | 1.0 | 3.4 | 0 | 11 | 8.4 |
| Nov | 60° / 37° | 0.9 | 3.2 | 0.6 | 10 | 5.9 |
| Dec | 49° / 29° | 1.1 | 4.7 | 1.7 | 9.5 | 2.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 73% of the time across summer.
Chance of precipitation in Summer
Saint George gets around 1.0 in of rain over 6 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 24 min in early June to 12 h 54 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 7.8 kWh/m².
Is summer a good time to visit Saint George?
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 weaker month for outdoor sightseeing in Saint George. The water and warmth also suit a beach or pool day.
What to pack for Saint George in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Saint George sees daytime highs around 94°F and nights near 69°F. Pack light clothes and sun protection. About 6 days see rain.
UV index in Saint George in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint George peaks around July 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 6 | 8 | 11 | 11 | 10 | 8 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Where is Saint George?
Saint George sits at 37.1°N, 113.6°W, 2,700 ft above sea level, in United States. The nearest listed city is Washington, 4.3 mi away.
Topography around Saint George
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Saint George.
Within 2 miles, the terrain around Saint George has only modest variations in elevation — a maximum elevation change of 787 ft around an average of 2,805 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,959 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,045 ft.
The land around Saint George is covered by artificial surfaces (45%) within 2 miles, grassland (38%), shrubs (25%) and bare terrain (25%) within 10 miles, and shrubs (36%), grassland (26%) and trees (22%) 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 Saint George (37.1041°, -113.5841°, elevation 2,700 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.