July Weather in Lahn, Germany

Last updated: August 23, 2025

In Lahn, Germany, the average temperature in July hovers around 18°C (65°F). You'll experience a diverse range of temperatures, with lows dipping to 7°C (44°F) and highs soaring to 39°C (102°F). Prepare for some moisture as well, with an average precipitation of 84 mm (3.3 in) spread over 12 days, contributing to an average humidity level of 75%.

July Temperature in Lahn

In July, in Lahn, the average temperature is 18°C (65°F). The maximum can reach 39°C (102°F), and the minimum can be as low as 7°C (44°F). With such a varied climate, it is advisable for travelers to pack layers to ensure comfort during their stay.

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

The chart illustrates July temperature patterns in Lahn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lahn, July typically has an average temperature of 18°C (65°F), with highs reaching up to 39°C (102°F) and lows dropping to around 7°C (44°F).

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

July Precipitation in Lahn

In Lahn in July, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

July Precipitation Trends in Lahn

The chart displays monthly precipitation patterns in Lahn, 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 Lahn, July typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Lahn

In Lahn in July, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

July Average Humidity in Lahn

This chart illustrates the average monthly humidity levels in Lahn, 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 Lahn is approximately 75%, 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 Lahn

In Lahn in July, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Lahn.

Maximum UV Index Levels in Lahn for July

The chart shows the monthly maximum UV Index (UVI) for Lahn 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 Lahn typically reaches 7, which falls under the high exposure category.

Data source: Lahn 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 Lahn Compares to Other Months

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

This table compares monthly weather conditions in Lahn, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (39°F)	66 mm (2.6 inches)	88%	low
February Weather	4°C (40°F)	69 mm (2.7 inches)	88%	low
March Weather	6°C (43°F)	71 mm (2.8 inches)	86%	moderate
April Weather	9°C (49°F)	40 mm (1.6 inches)	84%	moderate
May Weather	13°C (56°F)	61 mm (2.4 inches)	80%	high
June Weather	18°C (65°F)	69 mm (2.7 inches)	75%	very high
July Weather	18°C (65°F)	84 mm (3.3 inches)	75%	high
August Weather	19°C (66°F)	77 mm (3.0 inches)	75%	high
September Weather	15°C (59°F)	58 mm (2.3 inches)	83%	moderate
October Weather	12°C (53°F)	86 mm (3.4 inches)	86%	moderate
November Weather	7°C (45°F)	55 mm (2.2 inches)	87%	low
December Weather	5°C (41°F)	85 mm (3.4 inches)	86%	low