Heinola Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Heinola Weather Trend Graph


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

Yearly Summary 2026


30°C
Highest Temp
12 Jul. 26

-23°C
Lowest Temp
1 Feb. 26


Seasonal Breakdown

Hottest MonthAugust21.85°C

Coldest MonthFebruary-16.6°C

Wettest MonthJuly4.13mm

Windiest MonthAugust18.14km/h

Frequently Asked Questions


1. What is the hottest month in Heinola historically?

July is historically Heinola's hottest month, with average maximum temperatures around 22°C. During peak heatwave events, the highest recorded temperatures have reached 33°C on 2010-07-28.

2. What is the coldest month in Heinola historically?

January is Heinola's coldest month, with average minimum temperatures around -9°C. The all-time record low of -28°C was recorded on 2011-02-18.

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

Heinola's average annual rainfall is approximately 683.8mm, based on records spanning 17 years.

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

Heinola historically records approximately 216.7 rainy days per year. July has the highest number of rain days at an average of 22.1 days.

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

The all-time highest temperature recorded in Heinola is 33°C on 2010-07-28.

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

The all-time lowest temperature recorded in Heinola is -28°C on 2011-02-18.

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

Heinola experiences its strongest winds during December. The historic gust record of 35.3 kph was recorded on 2023-09-20.

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

Usually, Heinola's humidity peaks in February at around 94.1% and drops to its lowest in May at approximately 66.02%.