While the month begins with highs near 36 °C, officials expect a gradual cooling trend leading to daytime maximums of 23 °C by late August.
Czechia is starting August with a tropical surge, but the heat won't last.
August Temperature Peaks and the Late-Month Cool Down
The first week of August is characterized by extraordinary heat. The ČHMÚ reports that minimum temperatures will hover around 17 °C, climbing to nearly 21 °C on Wednesday and Thursday. Maximum temperatures for this initial period are expected to reach around 36 °C for the most part.
The Czech Hydrometeorological Institute, via NOVA, stated that the first week will be significantly above average in temperature, with minimums around 17 °C, nearly 21 °C on Wednesday and Thursday, and maximums mostly around 36 °C, dropping to around 28 °C over the weekend.
This heat spike is temporary. A cooling trend is expected to begin as early as the coming weekend, with temperatures dropping to approximately 28 °C. For the second, third, and fourth weeks of August, meteorologists anticipate temperatures that will fluctuate between the long-term average and slightly above-average values.
The most dramatic shift arrives at the very end of the holiday period. The ČHMÚ identifies the final week of the monitored period as the coldest, with nightly minimums falling to 11 °C and daily maximums peaking at only 23 °C.
Precipitation Shifts and Storm Risks
Rainfall patterns are also expected to evolve. The previous week saw an average of less than six millimeters of precipitation across Czechia, a figure that falls below the norm. Moving forward, the ČHMÚ expects a more standard precipitation regime, though the overall period from the start to the end of August is projected to remain average to below-average in terms of total rainfall.
The Czech Hydrometeorological Institute, via NOVA, noted that the average weekly precipitation will likely be between 10 and 15 millimeters, with showers or thunderstorms occurring, including heavy ones in some places, and exceptionally rain as well.
The primary risk for residents and travelers involves the transition of cold fronts. These shifts are likely to trigger intensified storms and heavy showers in various parts of the republic.
August Forecast Summary
The trajectory of the month shows a clear descent from extreme heat toward a more temperate climate.
| Period | Expected Max Temp | Expected Min Temp | Precipitation Trend |
|---|---|---|---|
| First Week | ~36 °C | ~17 °C (up to 21 °C) | Below Average |
| Mid-August | Near Average | Near Average | 10–15 mm per week |
| End of Holidays | ~23 °C | ~11 °C | Average to Below Average |
While the month begins with a tropical feel, the outlook suggests a return to more comfortable temperatures, provided that the predicted cold fronts do not bring overly destructive storm activity.
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