Williamson Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Williamson Weather Trend Graph


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

Yearly Summary 2026


39°C
Highest Temp
14 Aug. 26

-8°C
Lowest Temp
1 Feb. 26


Seasonal Breakdown

Hottest MonthJuly34.43°C

Coldest MonthJanuary3.23°C

Wettest MonthMay6.35mm

Windiest MonthJanuary16.83km/h

Frequently Asked Questions


1. What is the hottest month in Williamson historically?

July is historically Williamson's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 41°C on 2012-06-30.

2. What is the coldest month in Williamson historically?

January is Williamson's coldest month, with average minimum temperatures around 3°C. The all-time record low of -12°C was recorded on 2014-01-30.

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

Williamson's average annual rainfall is approximately 1388.8mm, based on records spanning 17 years.

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

Williamson historically records approximately 179.5 rainy days per year. December has the highest number of rain days at an average of 13.4 days.

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

The all-time highest temperature recorded in Williamson is 41°C on 2012-06-30.

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

The all-time lowest temperature recorded in Williamson is -12°C on 2014-01-30.

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

Williamson experiences its strongest winds during January. The historic gust record of 46.3 kph was recorded on 2017-09-11.

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

Usually, Williamson's humidity peaks in December at around 75.8% and drops to its lowest in October at approximately 69.007%.