Ryanair offer travel insurance policies as an add on to a flight booking, or they can also be purchased as stand-alone products. Ryanair travel insurance is offered in two levels, so you can choose the option that's right for you and your wallet.
Jamaica's rainy season coincides with ours here in Florida (I am in the Tampa area) for the most part. We have anywhere from 30-50% chance of rain daily until hurricane season is over. I didn't mean you have rain every day, all day from May to December in Jamaica, but I assume it is a lot like here in Florida.
Jamaica Weather in July: Hot, Hot, Hot! Jamaica weather in July is hot! Temperatures in July are higher than in June... ...and the possibility of afternoon thunderstorms is a part of daily life. Schools are out and spending time at the beach is a favourite activity (especially on weekends).