July weather forecastBasel, Switzerland

July
Weather in July
July is the pinnacle of summer in Basel, Switzerland, with average high temperatures reaching 25.3°C (77.5°F), the highest throughout the year. The decrease in rainfall contributes to the pleasant summer conditions, perfect for exploring the city. Despite the warm atmosphere, relative humidity remains constant at 70%, ensuring the climate doesn't feel overly stuffy. Sunshine is ample and daylight remains at its peak, providing the perfect backdrop for summer activities.Temperature
The average temperatures reach their apex in July, averaging 25.3°C (77.5°F) at the high end and 14.5°C (58.1°F) at the low end.Humidity
The average relative humidity in July is 70%.Rainfall
In Basel, during July, the rain falls for 10.2 days and regularly aggregates up to 91mm (3.58") of precipitation. Throughout the year, there are 120.4 rainfall days, and 843mm (33.19") of precipitation is accumulated.Snowfall
In Basel, snow does not fall in May through September.Daylight
The average length of the day in July is 15h and 32min.On the first day of the month, sunrise is at 05:36 and sunset at 21:30. On the last day of July, sunrise is at 06:06 and sunset at 21:05 CEST.
Sunshine
The month with the most sunshine is July, with an average of 7.2h of sunshine.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index in Basel. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In July, the average maximum UV index of 7 translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Basel, Switzerland
- Average high temperature in July: 25.3°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in July: 14.5°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average humidity in July
Basel, Switzerland
- Average humidity in July: 70%
The months with the highest relative humidity are November and December (82%).
The month with the lowest relative humidity is April (68%).
Average rainfall in July
Basel, Switzerland
- Average rainfall in July: 91mm
The wettest month (with the highest rainfall) is May (99mm).
The driest month (with the least rainfall) is February (45mm).
Average rainfall days in July
Basel, Switzerland
- Average rainfall days in July: 10.2 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in July
Basel, Switzerland
- Average snowfall in July: 0mm
The month with the highest snowfall is February (115mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in July
Basel, Switzerland
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Basel, Switzerland
- Average daylight in July: 15h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in July: 7h and 12min
The month with the most sunshine is July (Average sunshine: 7h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average UV index in July
Basel, Switzerland
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).





