Prague Weather in August
Czech Republic · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
August in Prague sees average temperatures ranging from a low of 15.6°C (60.1°F) to a high of 25.3°C (77.5°F), with a mean of 20.4°C (68.7°F). Compared to the annual average of 10.8°C (51.4°F), this month is 9.6°C warmer than the yearly norm. Precipitation averages 104.1mm, making it approximately 44.0mm wetter than the monthly average of 60.0mm. This is the wettest month of the year, with 104.1mm of precipitation and around 17.8 rainy days. The city receives an average of 10.4 hours of sunshine per day during August, with relative humidity averaging 68.7%. Wind speeds reach an average maximum of 16.0 km/h. For travelers, this month offers a temperature experience in Prague, with wetter-than-average conditions compared to the rest of the year.
Prague's data tells a story of extremes: January averages -1°C with 20 days of snow, while July hits 25°C with 70% humidity. I walked the Charles Bridge in March at 4°C with sleet — magical but brutal. The numbers favor May-June: 18°C, 8 hours of sun, manageable crowds. September is similarly sweet — 14°C and dry. December averages -2°C but the Christmas markets transform the city. The data shows precipitation is remarkably even year-round (40-60mm monthly), so always pack a layer. Spring's the statistical winner.
August vs Adjacent Months
| Metric | July | August | September |
|---|---|---|---|
| Mean Temp | 20.8°C (69.4°F) | 20.4°C (68.7°F) | 16.3°C (61.3°F) |
| Rainfall | 63.2mm | 104.1mm | 64.9mm |
| Sunshine | 12.3 hrs | 10.4 hrs | 9.3 hrs |
| Humidity | 61.3% | 68.7% | 71.7% |
| Wind | 17.6 km/h | 16.0 km/h | 16.1 km/h |
| Rainy Days | 18.0 | 17.8 | 13.0 |
Seasonal Context
August falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Prague in August, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Prague in August?
The average temperature in Prague during August ranges from 15.6°C (60.1°F) to 25.3°C (77.5°F), with a mean of 20.4°C (68.7°F).
How much does it rain in Prague in August?
Prague receives an average of 104.1mm of precipitation in August, spread across approximately 17.8 rainy days. This is the wettest month of the year.
What should I pack for Prague in August?
Based on August weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 104.1mm of precipitation.
Is August a good time to visit Prague?
August is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Prague
Cities with Similar August Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 50.08°, 14.44°. Timezone: Europe/Prague. Last updated: 2026-07-30.