Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Weather Guide
Rio Dulce, Guatemala Average Monthly Weather
Weather score62Good annual avg
Best months: February, March, April
Across the year, average daytime temperatures are around 31°C, sunshine averages 6.2h per day, and rainfall totals about 2685mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
31°C
Rain
2685mm
Annual total
Sun
6.2h
Sea
29°C
Weather score
62
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 361mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Rio Dulce, Guatemala with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsApril to June and August to September
This stretch sets the upper range for average daytime heat.
Rain
August361mm average rain
August is wetter than Rio Dulce's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.8 hours average sun
August is brighter than Rio Dulce's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMarch to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August30°C average sea
August is one of Rio Dulce's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMay to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August51 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.
