Žatec Temperature by Month
Žatec in Usti nad Labem, Czech Republic sees significant seasonal temperature differences, with daytime highs between 3°C (37°F) in January and 25°C (77°F) in August, averaging 14°C (57°F) annually. Explore the full monthly breakdown below.
Žatec Monthly Temperatures
The climate in Žatec is known for significant temperature differences throughout the year. At night, this contrast is just as clear, with lows ranging from 13°C (55°F) in August to -3°C (27°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Žatec by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM, when the sun's heating effect is strongest. August, the warmest month, gets 212 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Žatec vs Czech Republic
The map below shows the annual temperature across Czech Republic. You can also select individual months if you want to compare a specific time of year.
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Žatec vs World: Temperature Compared
Žatec's average annual maximum temperature is 14°C (57°F). To put that in context, here's how it compares to a few well-known destinations:
Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.
Zermatt, Switzerland averages just 4°C (39°F) annually due to its altitude, with very cold winters and cool summers even at its warmest.
Chicago, USA averages 15°C (59°F) annually — known for extreme seasonal swings, from bitterly cold winters to warm summers.
Melbourne, Australia averages 20°C (68°F) annually — known for unpredictable weather, with four seasons sometimes happening in one day.
What Does the Temperature Feel Like in Žatec?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Žatec, January is the coolest month, with average highs of 3°C (37°F) and humidity around 85% — considered very high. In August, the warmest month, temperatures average 25°C (77°F) with 72% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained — so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.
For more on Žatec's weather — including monthly rainfall, sunshine hours, and humidity — visit our Žatec climate page.
