Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
St. George Weather in May
May is one of the excellent months to visit St. George, with daytime temperatures of 29°C (84°F) and lows of 14°C (57°F) at night. Rainfall is minimal, averaging just 5.2 mm (0.2 in) for the month.
Rainfall in St. George in May
This month experiences about 3 days of rain according to historical data, averaging 5.2 mm (0.2 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in St. George in May
If you're visiting St. George in May, expect excellent temperatures with highs of 29°C (84°F) and overnight lows of 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
St. George Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
29°C (84°F)
Chance of Rain
8%
Precipitation
5.2 mm (0.2 in)
Rainy days
3 days
St. George Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St. George - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St. George typically rise from around 25°C (77°F) at the start of May to approximately 30°C (86°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for St. George in May
Browse day-by-day weather records for St. George spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St. George historical weather extremes in May
Based on 27 years of weather observations in St. George between 1999 and 2026, these are the recorded extremes.
- The hottest May day on record in St. George reached 42°C (108°F) (May 28, 2003).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in St. George in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear.
What To Do in St. George in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
St. George 3-Day Forecast
More climate data for St. George
See the full St. George climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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