Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
May verdict
Mixed for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 382mm, so showers are a real planning factor.
Monthly averages
Temp
29°C
Rain
382mm
Sun
6.1h
Sea
9°C
Weather score
48
Mixed
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 382mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 9°C, so the water can feel cool.
Map
Compare Guyana with nearby places by weather score, rain, sun, temperature, and swim conditions.
May29°C average high
May is close to Guyana's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
May382mm average rain
May is one of Guyana'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.
May6.1 hours average sun
May is one of Guyana's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
May9°C average sea
May is close to Guyana's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
May48 weather score
May is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsFebruary and September to November
These months have the strongest weather score in the monthly averages.