Ostrava Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Ostrava Weather Trend Graph


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

Yearly Summary 2026


38°C
Highest Temp
5 Aug. 26

-14°C
Lowest Temp
12 Jan. 26


Seasonal Breakdown

Hottest MonthAugust30.02°C

Coldest MonthJanuary-4.65°C

Wettest MonthJune4mm

Windiest MonthAugust20.03km/h

Frequently Asked Questions


1. What is the hottest month in Ostrava historically?

August is historically Ostrava's hottest month, with average maximum temperatures around 25°C. During peak heatwave events, the highest recorded temperatures have reached 38°C on 2026-08-05.

2. What is the coldest month in Ostrava historically?

January is Ostrava's coldest month, with average minimum temperatures around -3°C. The all-time record low of -23°C was recorded on 2012-02-03.

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

Ostrava's average annual rainfall is approximately 813.7mm, based on records spanning 17 years.

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

Ostrava historically records approximately 211 rainy days per year. August has the highest number of rain days at an average of 17.6 days.

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

The all-time highest temperature recorded in Ostrava is 38°C on 2026-08-05.

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

The all-time lowest temperature recorded in Ostrava is -23°C on 2012-02-03.

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

Ostrava experiences its strongest winds during December. The historic gust record of 55.1 kph was recorded on 2026-08-17.

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

Usually, Ostrava's humidity peaks in January at around 86.9% and drops to its lowest in August at approximately 67.2%.