Warm
Average highs sit around 31°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 267mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°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
October31°C average high
October is close to Rio Dulce's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsApril to June and August to September
This stretch sets the upper range for average daytime heat.
Rain
October267mm average rain
October sits near Rio Dulce's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October5.6 hours average sun
October is below Rio Dulce's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October29°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaMay to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
October54 weather score
October scores below Rio Dulce's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.
