Climate Insights for Ostrava
okres Ostrava-město, Ostrava metropolitan area, Czechia
Climate Overview
The climate in Ostrava is cool. The average annual temperature is 10°C and approximately 923 mm of precipitation falls per year. Ostrava receives a notable amount of rainfall throughout the year, including during its driest month. Ostrava is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to -2°C. Snowfall occurs from January to December, with around 105cm accumulating over the season.The climate in Ostrava is cool. The average annual temperature is 50°F and approximately 36.4 in of precipitation falls per year. Ostrava receives a notable amount of rainfall throughout the year, including during its driest month. Ostrava is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 28°F. Snowfall occurs from January to December, with around 41in accumulating over the season.
Temperature
Temperatures in Ostrava vary considerably across the year, with a 27°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 25°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.Temperatures in Ostrava vary considerably across the year, with a 48°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 76°F with a mean of 67°F. The coldest month is January, when overnight lows fall to 28°F and the daily average is 32°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows. The sharpest temperature change occurs between October and November, with a 10°F shift in average temperatures.
Precipitation
Ostrava is a moderately rainy area, receiving approximately 923 mm of precipitation annually, which averages out to around 77 mm per month. The wettest month is August, averaging 118 mm of rainfall. July and September also tend to see above-average precipitation. The driest month is March, with just 48 mm. That's 70 mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 105cm accumulating over the season. January typically sees the most snow at around 30cm.Ostrava is a moderately rainy area, receiving approximately 36.4 in of precipitation annually, which averages out to around 3 in per month. The wettest month is August, averaging 4.6 in of rainfall. July and September also tend to see above-average precipitation. The driest month is March, with just 1.9 in. That's 2.8 in less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 41in accumulating over the season. January typically sees the most snow at around 12in.
Wind
Ostrava is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 11km/h in spring, 9km/h in summer, 12km/h in autumn.Ostrava is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 7mph in spring, 6mph in summer, 7mph in autumn.
Best Time to Visit
The best time to visit Ostrava is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 86 mm per month. By contrast, August can be uncomfortably hot with highs reaching 25°C, while January is the coldest period with lows dropping to -2°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Ostrava is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3.4 in per month. By contrast, August can be uncomfortably hot with highs reaching 76°F, while January is the coldest period with lows dropping to 28°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Ostrava based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Ostrava based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.