Custer Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Custer Weather Trend Graph


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

Yearly Summary 2026


38°C
Highest Temp
22 Jul. 26

-5°C
Lowest Temp
19 Feb. 26


Seasonal Breakdown

Hottest MonthAugust28.81°C

Coldest MonthFebruary3.08°C

Wettest MonthMarch19.96mm

Windiest MonthJune10.48km/h

Frequently Asked Questions


1. What is the hottest month in Custer historically?

August is historically Custer's hottest month, with average maximum temperatures around 24°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2021-06-28.

2. What is the coldest month in Custer historically?

February is Custer's coldest month, with average minimum temperatures around 0°C. The all-time record low of -19°C was recorded on 2021-12-27.

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

Custer's average annual rainfall is approximately 1896.7mm, based on records spanning 17 years.

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

Custer historically records approximately 203.05 rainy days per year. November has the highest number of rain days at an average of 20.8 days.

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

The all-time highest temperature recorded in Custer is 43°C on 2021-06-28.

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

The all-time lowest temperature recorded in Custer is -19°C on 2021-12-27.

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

Custer experiences its strongest winds during February. The historic gust record of 32 kph was recorded on 2018-12-20.

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

Usually, Custer's humidity peaks in December at around 86.6% and drops to its lowest in July at approximately 71.7%.