Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 142mm, so some wet days are possible.
Monthly averages
Temp
29°C
Rain
142mm
Sun
6.5h
Sea
28°C
Weather score
71
Very good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 142mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Jamaica with nearby places by weather score, rain, sun, temperature, and swim conditions.
December29°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
December142mm average rain
December sits near Jamaica's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December6.5 hours average sun
December is below Jamaica's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to April and July to August
This stretch has the strongest sunshine in the monthly averages.
December28°C average sea
December is below Jamaica's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
December71 weather score
December sits close to Jamaica's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April, July, and December
These months have the strongest weather score in the monthly averages.
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