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 in January sees low temperatures, with highs around 12°C (54°F) and overnight lows of -1°C (30°F). Around 22 mm (0.9 in) of snow/rainfall is typical, so a light rain jacket is a sensible addition to your bag.
If you prefer dry days with pleasant temperatures, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in St. George - and find the best time to visit.
50-year average (1976-2026)
Based on our historical records, temperatures in St. George typically stay consistent throughout January, with daily highs averaging around 12°C (54°F). Nights are very cold, with lows typically ranging from -5°C (23°F) to -2°C (28°F).
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
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.
According to our 26 years of weather records for St. George, the following extremes were recorded between 1999 and 2025.
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 January →
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).
Pack for changing conditions in St. George in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Pack a light rain jacket or compact umbrella for occasional showers.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full St. George climate overview or explore weather in the United States of America.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
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