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Retalhuleu
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Retalhuleu Weather and Climate: A Comprehensive Guide

Retalhuleu has a steady very warm climate throughout the year. It also has a relatively rainy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Retalhuleu temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 32°C in April to a comfortable 30°C in January.

Nighttime temperatures can drop, with average lows reaching 20°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Retalhuleu experiences significant rainfall throughout the year, averaging 3003 mm of precipitation annually. The seasons in Retalhuleu, bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 517 mm of precipitation. This rainfall is distributed across 21 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 28 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Retalhuleu Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

The average number of days each month with precipitation

Sunshine over the year

Retalhuleu enjoys sunny spells year-round. March sees up to 8.3 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 5.1 hours of sun despite this cloudier time of the year. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine
Data from: Panajachel, Guatemala (60 KM, 37 Miles).

Daily hours of sunshine
Data from: Panajachel, Guatemala (60 KM, 37 Miles).

Average humidity

The relative humidity is high throughout the year in Retalhuleu.

The city experiences its highest humidity in May, reaching 81%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year
Data from: Panajachel, Guatemala (60 KM, 37 Miles).

Forecast for Retalhuleu

Sat   Jan 11
34°C | 21°C
SW 5 m/s
almost clear and no rain

almost clear and no rain

hourly forecast
Sun   Jan 12
34°C | 21°C
SW 4 m/s
0.6 mm
partly cloudy and chance of rain

partly cloudy and chance of rain

hourly forecast
Mon   Jan 13
34°C | 21°C
SW 4 m/s
0.2 mm
partly cloudy and chance of slight rain

partly cloudy and chance of slight rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Retalhuleu in Guatemala

Retalhuleu has high temperatures year round ranging between 29°C and 32°C.
The best time to visit is during the drier months: January, February and December.

Other facts from our historical weather data:
  • Which is the hottest month in Retalhuleu?
    April has an average maximum temperature of 32°C and is the hottest month of the year.
  • Which is the coolest month in Retalhuleu?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Retalhuleu?
    September tops the wettest month list with 517 mm of rainfall.
  • Which is the driest month in Retalhuleu?
    February is the driest month with 28 mm of precipitation.
  • Which is the sunniest month in Retalhuleu?
    March is the sunniest month with an average of 249 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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