July weather forecast
Ostrava, Czech Republic

July is the hottest month in Ostrava, with the temperature going up to 24°C (75.2°F). The weather tends to be more humid compared to June. There is a more prominent necessity to move activities to cooler, shaded areas or indoor locations during peak sun hours. Despite the heat, this period is a popular time for cultural events and festivals. Sun whilstlers and swelters, seek the respite of cool museums or shaded park benches.

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 24°C (75.2°F) and a low of 12°C (53.6°F).

Rainfall

The month with the most rainfall is July, when the rain falls for 15 days and typically aggregates up to 90mm (3.54") of precipitation.

Daylight

In July, the average length of the day is 15h and 50min.
On the first day of the month, sunrise is at 04:43 and sunset at 20:58. On the last day of July, in Ostrava, sunrise is at 05:16 and sunset at 20:30 CEST.

Sunshine

The months with the most sunshine are May through August, with an average of 7h of sunshine.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during July leads to these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.