Rio Dulce weather in May 2026

Expect daytime maximum temperatures of 33°C in Rio Dulce, Guatemala in May and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 180 mm of rainfall in the month.

  • 33°C maximum daytime temperature in May in Rio Dulce33
    33°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in May in Rio Dulce10
    10 days with some rainfall
  • 23°C minimum night-time temperature in May in Rio Dulce23
    23°C min night temperature
  • 13 hours of daylight per day in May in Rio Dulce13
    13 hours of daylight per day
  • Very high heat & humidity in May in Rio DulceVH
    Very High heat & humidity
  • 180 mm monthly rainfall in May in Rio Dulce180
    180 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Rio Dulce11
    11+ (Extreme) UV index

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The May weather guide for Guatemala (Rio Dulce) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Guatemala

How hot is it in Rio Dulce in May?

Daytime temperatures usually reach 33°C in Rio Dulce in May with very high heat and humidity, falling to 23°C at night.

How sunny is it in Rio Dulce in May?

There are normally 7 hours of bright sunshine each day in Rio Dulce in May - that's 55% of daylight hours.

Does it rain in Rio Dulce in May?

There are usually 10 days with some rain in Rio Dulce in May and the average monthly rainfall is 180mm.

Rio Dulce May sunrise & sunset times

Browse the sunrise and sunset times for Rio Dulce in May 2026. Select a month to view Rio Dulce sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:32 18:14
Saturday, 16th May 2026 05:26 18:19
Sunday, 31st May 2026 05:24 18:24

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