June weather forecastBasel, Switzerland

June
Weather in June
June brings the advent of summer in Basel. Temperatures reach their second-highest level for the year, with the month's high commonly hitting 22.9°C (73.2°F). The level of rainfall decreases in comparison to May, giving room for more sunshine-filled days. It's also this month that Basel achieves its maximum daylight hours, allowing locals and visitors more time to appreciate the beauty of the city.Temperature
The onset of June introduces a subtle rise in the average high-temperature, nudging from an enjoyable 19.6°C (67.3°F) in May to an agreeable 22.9°C (73.2°F). Throughout June, Basel witnesses a consistent average low-temperature of 12.4°C (54.3°F).Humidity
The average relative humidity in June in Basel is 71%.Rainfall
In Basel, during June, the rain falls for 10.9 days and regularly aggregates up to 86mm (3.39") of precipitation. In Basel, during the entire year, the rain falls for 120.4 days and collects up to 843mm (33.19") of precipitation.Snowfall
May through September are months without snowfall.Daylight
June has the longest days of the year in Basel, with an average of 15h and 54min of daylight.On the first day of June in Basel, Switzerland, sunrise is at 05:35 and sunset at 21:19. On the last day of the month, sunrise is at 05:35 and sunset at 21:30 CEST.
Sunshine
The average sunshine in June in Basel is 6.5h.UV index
The months with the highest UV index in Basel are June and July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 7 in June leads to these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Basel, Switzerland
- Average high temperature in June: 22.9°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 June: 12.4°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 June
Basel, Switzerland
- Average humidity in June: 71%
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 June
Basel, Switzerland
- Average rainfall in June: 86mm
The wettest month (with the highest rainfall) is May (99mm).
The driest month (with the least rainfall) is February (45mm).
Average rainfall days in June
Basel, Switzerland
- Average rainfall days in June: 10.9 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 June
Basel, Switzerland
- Average snowfall in June: 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 June
Basel, Switzerland
- Average snowfall days in June: 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 June /
Average sunshine in June
Basel, Switzerland
- Average daylight in June: 15h and 54min
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 June: 6h and 30min
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 June
Basel, Switzerland
- Average UV index in June: 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).





