Weather guides

How to Read a Weather Radar

Learn what radar colors mean, how radar differs from satellite, what it cannot show, and how to combine radar with the forecast to plan the next few hours.

Rainy season and the canícula in Guatemala

When the rainy season ("invierno") and dry season ("verano") run in Guatemala, what the canícula is, and how they shape the country's weather.

Hurricanes and tropical depressions in Guatemala

Why Guatemala is affected by hurricanes and tropical depressions on both coasts, how they cause rain, flooding and landslides, and how to prepare.

Frost in the Guatemalan highlands

When and why frost occurs in the Guatemalan highlands (Quetzaltenango, San Marcos, Huehuetenango), and how it affects the countryside.

Guatemala's climate: highlands, coast and the Petén

Why Guatemala's climate varies so much by region: the eternal-spring highlands, the hot Pacific coast and the humid Petén jungle.

UV index and heat in Guatemala: how to protect yourself

Why the UV index in Guatemala is high all year due to the tropics and altitude, and how to protect yourself from the sun and the heat on the coast.

How a Weather Forecast Is Made

Find out how a weather forecast is built: the observations, numerical models such as ECMWF, GFS and ICON, why forecasts carry uncertainty, and how often the data is updated.

Feels-like temperature: why it differs from the thermometer

What feels-like temperature is, how it differs from air temperature, how wind and humidity change what you sense, and why it matters for your health and clothing.

Humidity and Comfort: How It Affects Your Body

The difference between relative and absolute humidity, what dew point is, why high humidity feels hotter and low humidity dries you out, and the comfortable ranges.

Air Quality and the AQI Index

What the air quality index (AQI) means, the main pollutants such as PM2.5, PM10, O₃ and NO₂, the health categories, and how to reduce your exposure.