June 9 sees frequent showers in Basel. Historical data shows a 45% chance of rain, so pack accordingly. Temperatures average 22°C. Basel is currently in its most popular travel window, meaning vibrant crowds and premium pricing. Note: June 9 is Whit Monday in Basel, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Basel
Currency
CHF
Fr. Swiss franc
Language
French
+3 more
Driving
Right side
Connect
As of Sept 2021, Basel has 4G from Salt,...
Safety
Very High Safety
GPI: 1.357
Basel Weather Forecast for June 9
"Mild & Comfortable. Expect average highs of 22.2°C. 45% chance of rain."
What to Wear in Basel in June
Based on historical data for June 9, Basel typically experiences temperatures between 12.6°C and 22.2°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 45% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Basel
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
22.2°C
Daytime Peak
Average Low
12.6°C
Nighttime Low
Feels Like
22.6°C
☀️ Feels accurate
Rain Chance
45%
Avg 3.2mm if it rains
Cloud Cover
62%
Slight rain
Pressure
1016.4 hPa
Medium volatility
Basel Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 20:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.3°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
Whit Monday
Flight Traffic
High
90/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~163
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Basel
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:34
☀️ Noon
12:30
🌇 Sunset
20:26
⏱️ Daylight
15h 52m
Wind Speed
10.3 km/h
Light breeze
Sunshine
11.0 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Basel
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Basel
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Basel on June 9 averages 22.2°C with a 45% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Basel Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
June 12
23.2°C • 35% rain
Score
93
June 16
23.8°C • 35% rain
Score
93
June 13
23.4°C • 36% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Basel Worth Visiting on June 9?
Planning a trip to Basel on June 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 22.2°C with a 45% historical precipitation risk.
🎉 Local Event: The date coincides with Whit Monday, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 163 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Switzerland, including COVID-19.
📊 Historical Extremes: The hottest June 9 recorded in the last 30 years saw temperatures hit 27.9°C in 2023, while the coldest dropped to 8.9°C in 2025.