Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Guyana Average Monthly Weather
Weather score58Good annual avg
Best months: September, October, November
Across the year, average daytime temperatures are around 30°C, sunshine averages 7h per day, and rainfall totals about 2771mm. Sea temperatures average 9°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
2771mm
Annual total
Sun
7h
Sea
9°C
Weather score
58
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 329mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Weather map
Compare Guyana with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July29°C average high
July 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.
Rain
July329mm average rain
July is wetter than Guyana's yearly average, so flexible plans matter more.
Driest monthsFebruary to March and September to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July6.9 hours average sun
July sits close to Guyana's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July10°C average sea
July 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.
Weather score
July52 weather score
July scores below Guyana's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsFebruary and September to November
These months have the strongest weather score in the monthly averages.
