July Weather in Grandson, Switzerland

Last updated: August 27, 2025

In July, the average temperature in Grandson, Switzerland is a pleasant 20°C (67°F). Expect a minimum of 10°C (51°F) and a maximum of 35°C (96°F), offering a wide range of conditions. With an average humidity of 82% and a total precipitation of 103 mm (4.1 in) spread over 14 days, it's a season of both warmth and moisture.

July Temperature in Grandson

In July in Grandson, the average temperature is 20°C (67°F). Maximum temperatures can reach 35°C (96°F), while minimum temperatures can drop as low as 10°C (51°F). This mild climate makes it an ideal time for traveling, allowing visitors to enjoy a variety of outdoor activities comfortably.

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

The chart illustrates July temperature patterns in Grandson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grandson, July typically has an average temperature of 20°C (67°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (51°F).

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

July Precipitation in Grandson

In Grandson in July, the precipitation amount is 103 mm (4.1 in) distributed over a period of 14 days.

July Precipitation Trends in Grandson

The chart displays monthly precipitation patterns in Grandson, 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 Grandson, July typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 14 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 Grandson

In Grandson in July humidity is 82%. With an average temperature of 20°C (67°F), this humidity feels like a warm, thick blanket enveloping you, making travel slightly uncomfortable as you navigate the stickiness in the air.

July Average Humidity in Grandson

This chart illustrates the average monthly humidity levels in Grandson, 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 Grandson is approximately 82%, 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 Grandson

In Grandson in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Grandson.

Maximum UV Index Levels in Grandson for July

The chart shows the monthly maximum UV Index (UVI) for Grandson 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 Grandson typically reaches 9, which falls under the very high exposure category.

Data source: Grandson 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 Grandson Compares to Other Months

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

This table compares monthly weather conditions in Grandson, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	99 mm (3.9 inches)	91%	low
February Weather	4°C (39°F)	81 mm (3.2 inches)	89%	moderate
March Weather	6°C (43°F)	107 mm (4.2 inches)	87%	high
April Weather	10°C (49°F)	54 mm (2.1 inches)	84%	high
May Weather	13°C (55°F)	133 mm (5.2 inches)	80%	very high
June Weather	18°C (64°F)	101 mm (4.0 inches)	82%	very high
July Weather	20°C (67°F)	103 mm (4.1 inches)	82%	very high
August Weather	19°C (67°F)	99 mm (3.9 inches)	77%	very high
September Weather	16°C (60°F)	68 mm (2.7 inches)	81%	high
October Weather	11°C (52°F)	97 mm (3.8 inches)	89%	moderate
November Weather	6°C (43°F)	90 mm (3.6 inches)	89%	moderate
December Weather	3°C (38°F)	160 mm (6.3 inches)	91%	low