Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Mixed for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 295mm, so showers are a real planning factor.
Monthly averages
Temp
30°C
Rain
295mm
Sun
6.2h
Sea
28°C
Weather score
51
Mixed
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 295mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.2h 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 Georgetown, Guyana with nearby places by weather score, rain, sun, temperature, and swim conditions.
December30°C average high
December is close to Georgetown's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
December295mm average rain
December is one of Georgetown's wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to March and September to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December6.2 hours average sun
December is below Georgetown's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to March and August to November
This stretch has the strongest sunshine in the monthly averages.
December28°C average sea
December is close to Georgetown's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
December51 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsFebruary to March and September to November
These months have the strongest weather score in the monthly averages.