All About Crete Weather. Weather in Frangokastelo/Frangokastello (Greek: Φραγκοκάστελλο). This detailed 10 Day Weather Forecast in Crete for Frangokastelo, Chania Prefecture is prepared for the local ex-pat residents and holidaymakers. Frangokastelli sits on a long narrow plain sandwiched between the mountains and the sea. Frangokastello is one of the geographically remote resorts on Crete. Its sandy beaches are in splendid isolation sheltered from the cold northerly winds. Holiday Weather Tip: Choose Frangokastello if you want an away-from-it-all holiday where you can just chill out, even with the kids in tow. Just put on extra strong suntan lotion as the sun's UV rays can be very powerful along Crete's south coast.