August Weather in Koszalin, Poland

Last updated: August 27, 2025

In Koszalin, Poland, the average temperature in August hovers around 19°C (66°F). Expect a range from a chilly 7°C (45°F) at night to a warm 33°C (91°F) during the day. However, be prepared for some rain, as 66 mm (2.6 in) of precipitation typically falls over 12 days, with an average humidity level of 80%.

August Temperature in Koszalin

In August in Koszalin, the average temperature is 19°C (66°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 7°C (45°F). This temperature range makes Koszalin a great destination for travelers looking for mild weather and a chance to experience both warm days and cooler evenings.

August Weather in Koszalin: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Koszalin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koszalin, August typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).

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

August Precipitation in Koszalin

In Koszalin in August, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.

August Precipitation Trends in Koszalin

The chart displays monthly precipitation patterns in Koszalin, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Koszalin, August typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Koszalin

In Koszalin in August humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

August Average Humidity in Koszalin

This chart illustrates the average monthly humidity levels in Koszalin, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Koszalin is approximately 80%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Koszalin

In Koszalin in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Koszalin, you can refer to this Hourly UV Index in Koszalin.

Maximum UV Index Levels in Koszalin for August

The chart shows the monthly maximum UV Index (UVI) for Koszalin in August, 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 August, the maximum UV index in Koszalin typically reaches 6, which falls under the high exposure category.

Data source: Koszalin August 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 August Weather in Koszalin Compares to Other Months

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

This table compares monthly weather conditions in Koszalin, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	61 mm (2.4 inches)	87%	low
February Weather	2°C (35°F)	50 mm (2.0 inches)	87%	low
March Weather	4°C (39°F)	54 mm (2.1 inches)	87%	moderate
April Weather	7°C (45°F)	35 mm (1.4 inches)	85%	moderate
May Weather	12°C (54°F)	55 mm (2.2 inches)	81%	high
June Weather	18°C (64°F)	51 mm (2.0 inches)	81%	high
July Weather	18°C (65°F)	110 mm (4.3 inches)	81%	high
August Weather	19°C (66°F)	66 mm (2.6 inches)	80%	high
September Weather	15°C (59°F)	81 mm (3.2 inches)	81%	moderate
October Weather	11°C (52°F)	92 mm (3.6 inches)	84%	moderate
November Weather	7°C (44°F)	58 mm (2.3 inches)	86%	low
December Weather	3°C (37°F)	62 mm (2.4 inches)	85%	low