St. George Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

St. George Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


35°C
Highest Temp
2 Jul. 26

-16°C
Lowest Temp
25 Jan. 26


Seasonal Breakdown

Hottest MonthAugust28.08°C

Coldest MonthJanuary-6.21°C

Wettest MonthMarch12.26mm

Windiest MonthMarch32.27km/h

Frequently Asked Questions


1. What is the hottest month in St. George historically?

July is historically St. George's hottest month, with average maximum temperatures around 22°C. During peak heatwave events, the highest recorded temperatures have reached 35°C on 2026-07-02.

2. What is the coldest month in St. George historically?

January is St. George's coldest month, with average minimum temperatures around -6°C. The all-time record low of -28°C was recorded on 2023-02-04.

3. What is the average annual rainfall in St. George over the past 17 years?

St. George's average annual rainfall is approximately 1363.9mm, based on records spanning 17 years.

4. How many rainy days does St. George experience on average per year?

St. George historically records approximately 174.1 rainy days per year. December has the highest number of rain days at an average of 15.4 days.

5. What is the all-time highest temperature ever recorded in St. George?

The all-time highest temperature recorded in St. George is 35°C on 2026-07-02.

6. What is the all-time lowest temperature ever recorded in St. George?

The all-time lowest temperature recorded in St. George is -28°C on 2023-02-04.

7. What is the windiest time of year in St. George historically?

St. George experiences its strongest winds during December. The historic gust record of 66.2 kph was recorded on 2024-01-10.

8. What is the highest and lowest humidity in St. George during a year?

Usually, St. George's humidity peaks in July at around 83.9% and drops to its lowest in November at approximately 73.6%.