Mosquitoes get worse after rain, and November is, statistically, the rainiest month. But this year could be dry, who knows. The government has been trying to eliminate breeding spots because of an increase is dengue fever. Mosquitoes will always be worse in wet, low-lying areas with a lot of vegetation. If there’s a good breeze, mosquitoes are not a problem. December can be windy, but again, who knows.

Sand fleas are another annoying insect. They are prevalent on beaches, especially at dusk.

We like one of the deet-heavy sprays; some people swear by the bracelets. Long sleeves and pants help.