How reliable is EuroAirport Basel–Mulhouse–Freiburg?
Month-by-month weather risk and connection guidance for EuroAirport Basel–Mulhouse–Freiburg. We don’t yet have on-time performance history here — see why below.
Weather favorability
year-round climate
On-time performance data isn’t available for BSL yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at EuroAirport Basel–Mulhouse–Freiburg yet. Weather climatology below comes from global airport observations and still applies.
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Weather by month
When the weather works for you at Bâle / Mulhouse
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 99/100 favorability
Roughest month
Most disruptive — low visibility & fog, freezing conditions · 91/100 favorability
The read on BSL
What the numbers say about flying through EuroAirport Basel–Mulhouse–Freiburg
PlaneSane doesn't yet have on-time and cancellation history for EuroAirport Basel–Mulhouse–Freiburg, so it isn't scored for departure reliability here — that record currently covers the US, UK, Brazil, and Australia. The weather and connection context below comes from separate global sources and still applies.
On weather, Bâle / Mulhouse is an unusually calm-weather airport year-round. July is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while January is the most disruptive at 91, driven mainly by low visibility & fog and freezing conditions. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Bâle / Mulhouse, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about BSL
- What is the best month to fly from BSL for good weather?
- July has the calmest flying weather at EuroAirport Basel–Mulhouse–Freiburg. January is the most disruptive, mainly from low visibility & fog and freezing conditions.
Planning a trip through Bâle / Mulhouse?
Score real flights to and from BSL on reliability, weather, and connection safety — not just price.