Grangeville Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Grangeville Weather Trend Graph


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

Yearly Summary 2026


34°C
Highest Temp
31 Jul. 26

-8°C
Lowest Temp
24 Jan. 26


Seasonal Breakdown

Hottest MonthJuly28.85°C

Coldest MonthJanuary-1.96°C

Wettest MonthMarch4.65mm

Windiest MonthAugust17.82km/h

Frequently Asked Questions


1. What is the hottest month in Grangeville historically?

August is historically Grangeville's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 40°C on 2018-08-10.

2. What is the coldest month in Grangeville historically?

December is Grangeville's coldest month, with average minimum temperatures around -5°C. The all-time record low of -27°C was recorded on 2024-01-13.

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

Grangeville's average annual rainfall is approximately 728.3mm, based on records spanning 17 years.

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

Grangeville historically records approximately 171.2 rainy days per year. March has the highest number of rain days at an average of 19.3 days.

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

The all-time highest temperature recorded in Grangeville is 40°C on 2018-08-10.

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

The all-time lowest temperature recorded in Grangeville is -27°C on 2024-01-13.

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

Grangeville experiences its strongest winds during July. The historic gust record of 43.6 kph was recorded on 2025-12-17.

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

Usually, Grangeville's humidity peaks in January at around 85.5% and drops to its lowest in August at approximately 44.05%.