Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 138mm, so some wet days are possible.
Monthly averages
Temp
29°C
Rain
138mm
Sun
7.4h
Sea
28°C
Weather score
69
Good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 138mm, so some wet days are possible.
Some sun
Sunshine averages 7.4h 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 Grenada with nearby places by weather score, rain, sun, temperature, and swim conditions.
December29°C average high
December is close to Grenada's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
December138mm average rain
December sits near Grenada's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December7.4 hours average sun
December is close to Grenada's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
December28°C average sea
December is close to Grenada's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaAugust to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
December69 weather score
December sits close to Grenada's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.