How reliable is Split Saint Jerome Airport?
Month-by-month weather risk and connection guidance for Split Saint Jerome Airport. 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 SPU yet
Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Split Saint Jerome Airport 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 Split
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 · 100/100 favorability
Roughest month
Most disruptive — high winds, thunderstorms · 99/100 favorability
The read on SPU
What the numbers say about flying through Split Saint Jerome Airport
PlaneSane doesn't yet have on-time and cancellation history for Split Saint Jerome Airport, 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, Split is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 100 out of 100 for favorable conditions, while December is the most disruptive at 99, driven mainly by high winds and thunderstorms. 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 Split, 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 SPU
- What is the best month to fly from SPU for good weather?
- June has the calmest flying weather at Split Saint Jerome Airport. December is the most disruptive, mainly from high winds and thunderstorms.
Planning a trip through Split?
Score real flights to and from SPU on reliability, weather, and connection safety — not just price.