St George weather by month & the best time to visit

🇺🇸 United States · small town · hot desert climate

The best time to visit St George is May — its sunniest month (Sunshine Score 98/100), with April and March close behind. St George averages about 3,575 hours of sunshine a year. Daytime highs around 30°C / 86°F and roughly 10 mm of rain in May.

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Sun hours / year

3,575

Sunniest month

May

Peak score

98/100

Rain / year

250 mm

Midday UV at peak

10 (very high)

Population

73k

Elevation

871 m

When is the best time to visit St George?

For sunshine, the best time to visit St George is May, then April and March. The dullest month is July (29/100, 26 mm of rain). The full month-by-month picture is in the table below.

How sunny is St George?

St George is one of the sunniest places on Earth: about 3,575 hours of sunshine a year. 69 Sunshine Score points separate May (98) from July (29), so the month you pick matters. It ranks #26 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 250 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

See St George on the interactive sunshine globe →

Nearby places for sunshine

• Boulder City United States · 171 km · best in Apr · 3,837 h sun/yr
• Grand Canyon - Tusayan United States · 171 km · best in Jun · 3,647 h sun/yr
• Las Vegas United States · 181 km · best in Apr · 3,742 h sun/yr
• Provo United States · 386 km · best in Jun · 3,122 h sun/yr
• Phoenix United States · 423 km · best in Apr · 3,833 h sun/yr
• Salt Lake City United States · 438 km · best in Aug · 3,123 h sun/yr

Nearest destinations

• Cedar City United States · 82 km · 3,577 h sun/yr · best in Jun
• Page United States · 184 km · 3,711 h sun/yr · best in Apr
• Flagstaff United States · 268 km · 3,666 h sun/yr · best in Jun