Mandan Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Mandan Weather Trend Graph


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

Yearly Summary 2026


42°C
Highest Temp
12 Jul. 26

-27°C
Lowest Temp
23 Jan. 26


Seasonal Breakdown

Hottest MonthJuly33.45°C

Coldest MonthJanuary-11.69°C

Wettest MonthJune2.9mm

Windiest MonthJune26.97km/h

Frequently Asked Questions


1. What is the hottest month in Mandan historically?

July is historically Mandan's hottest month, with average maximum temperatures around 29°C. During peak heatwave events, the highest recorded temperatures have reached 42°C on 2026-07-12.

2. What is the coldest month in Mandan historically?

January is Mandan's coldest month, with average minimum temperatures around -13°C. The all-time record low of -37°C was recorded on 2019-02-08.

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

Mandan's average annual rainfall is approximately 580.2mm, based on records spanning 17 years.

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

Mandan historically records approximately 145.3 rainy days per year. June has the highest number of rain days at an average of 16.4 days.

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

The all-time highest temperature recorded in Mandan is 42°C on 2026-07-12.

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

The all-time lowest temperature recorded in Mandan is -37°C on 2019-02-08.

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

Mandan experiences its strongest winds during April. The historic gust record of 66.2 kph was recorded on 2015-07-28.

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

Usually, Mandan's humidity peaks in January at around 87.3% and drops to its lowest in September at approximately 52.3%.