July Weather in Semily, Czech Republic

Last updated: August 23, 2025

In July, the average temperature in Semily, Czech Republic is a pleasant 19°C (66°F), making it an inviting time to explore. However, temperatures can range from a refreshing 6°C (44°F) to a warm 35°C (95°F). Expect about 70 mm (2.8 in) of precipitation spread across 13 days, contributing to an average humidity of 61%. Whether you're enjoying the sunshine or the occasional drizzle, this month offers a unique charm in Semily!

July Temperature in Semily

In July in Semily, the average temperature is 19°C (66°F). Maximums can reach 35°C (95°F) and minimums can be as low as 6°C (44°F). Be prepared for a variety of weather conditions when traveling during this time.

July Weather in Semily: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Semily, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semily, July typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (44°F).

Data source: Temperature data for Semily generated using information from the Copernicus Climate Change Service.

July Precipitation in Semily

In Semily in July, the precipitation amount is 70 mm (2.8 in) spread over 13 days.

July Precipitation Trends in Semily

The chart displays monthly precipitation patterns in Semily, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Semily, July typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Semily

In Semily in July, humidity is 61%. With an average temperature of 19°C (66°F), this humidity feels like a warm, gentle embrace, making it ideal for leisurely exploration, though you might want to keep a light jacket handy for cooler evenings.

July Average Humidity in Semily

This chart illustrates the average monthly humidity levels in Semily, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Semily is approximately 61%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Semily

In Semily in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Semily.

Maximum UV Index Levels in Semily for July

The chart shows the monthly maximum UV Index (UVI) for Semily in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Semily typically reaches 8, which falls under the very high exposure category.

Data source: Semily July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Semily Compares to Other Months

Weather in Semily varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Semily, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Semily, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	54 mm (2.1 inches)	89%	low
February Weather	1°C (34°F)	59 mm (2.3 inches)	87%	low
March Weather	4°C (39°F)	58 mm (2.3 inches)	84%	moderate
April Weather	9°C (48°F)	36 mm (1.4 inches)	78%	moderate
May Weather	13°C (55°F)	80 mm (3.1 inches)	63%	very high
June Weather	19°C (66°F)	73 mm (2.9 inches)	63%	very high
July Weather	19°C (66°F)	70 mm (2.8 inches)	61%	very high
August Weather	19°C (67°F)	84 mm (3.3 inches)	65%	high
September Weather	15°C (59°F)	62 mm (2.4 inches)	72%	high
October Weather	10°C (50°F)	74 mm (2.9 inches)	80%	moderate
November Weather	5°C (41°F)	46 mm (1.8 inches)	87%	low
December Weather	1°C (35°F)	67 mm (2.6 inches)	91%	low