Harahan Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Harahan Weather Trend Graph


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

Yearly Summary 2026


39°C
Highest Temp
20 Jul. 26

-2°C
Lowest Temp
1 Feb. 26


Seasonal Breakdown

Hottest MonthJuly35.73°C

Coldest MonthJanuary9°C

Wettest MonthJune4.57mm

Windiest MonthJanuary23.79km/h

Frequently Asked Questions


1. What is the hottest month in Harahan historically?

August is historically Harahan's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 39°C on 2023-08-26.

2. What is the coldest month in Harahan historically?

January is Harahan's coldest month, with average minimum temperatures around 9°C. The all-time record low of -6°C was recorded on 2018-01-17.

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

Harahan's average annual rainfall is approximately 1776.3mm, based on records spanning 17 years.

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

Harahan historically records approximately 202.8 rainy days per year. August has the highest number of rain days at an average of 23.4 days.

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

The all-time highest temperature recorded in Harahan is 39°C on 2023-08-26.

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

The all-time lowest temperature recorded in Harahan is -6°C on 2018-01-17.

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

Harahan experiences its strongest winds during February. The historic gust record of 99.9 kph was recorded on 2021-08-29.

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

Usually, Harahan's humidity peaks in December at around 77.1% and drops to its lowest in October at approximately 69.2%.