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Okayama Momotaro Airport
Okayama · OKJ · JP

How reliable is Okayama Momotaro Airport?

Month-by-month weather risk and connection guidance for Okayama Momotaro Airport. We don’t yet have on-time performance history here — see why below.

0.0

Weather favorability

year-round climate

IATA / ICAO
OKJ · RJOB
Time zone
Asia/Tokyo
Coordinates
34.76, 133.85

On-time performance data isn’t available for OKJ yet

Our historical on-time and cancellation record currently covers the US, UK, Brazil, and Australia, so we don’t score departure reliability at Okayama Momotaro 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 Okayama

A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.

Calm-weather score025507510093J89F88M89A88M84J83J90A92S95O91N94D
Calm (80+)Mixed (60–79)Disruptive (<60)

Calmest month

Oct

Calmest flying weather of the year · 95/100 favorability

Roughest month

Jul

Most disruptivelow visibility & fog, thunderstorms · 83/100 favorability

The read on OKJ

What the numbers say about flying through Okayama Momotaro Airport

PlaneSane doesn't yet have on-time and cancellation history for Okayama Momotaro 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, Okayama is an unusually calm-weather airport year-round. October is the calmest stretch for flying, scoring 95 out of 100 for favorable conditions, while July is the most disruptive at 83, driven mainly by low visibility & fog 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 Okayama, 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 OKJ

What is the best month to fly from OKJ for good weather?
October has the calmest flying weather at Okayama Momotaro Airport. July is the most disruptive, mainly from low visibility & fog and thunderstorms.

Planning a trip through Okayama?

Score real flights to and from OKJ on reliability, weather, and connection safety — not just price.