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Heatwave Hits Colombia, Risks of Vegetation Fires, Mixed Effects On Coffee

By: Diana Delgado, Contractor

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Heatwave Hits Colombia, Risks of Vegetation Fires, Mixed Effects On Coffee

Bogota (Coffee Network) -Colombia’s weather agency Ideam said May is expected to bring below-normal rainfall across much of the country, particularly in the Andean, Caribbean and Pacific regions.

“Ideam will continue to provide timely updates on the country’s technical and meteorological conditions through its climate bulletins, forecasts, alerts and specialized reports,” the institute said.

The Institute of Hydrology, Meteorology and Environmental Studies (Ideam) reported that Colombia experienced warmer-than-usual conditions during the first week of May 2026, with widespread increases in maximum air temperatures across several regions.

Ideam said high temperatures are expected to persist between 11–17 May, although a gradual decline is forecast after 12–13 May due to the weakening and displacement of an anticyclonic system over the Caribbean Sea.

The Andean region also recorded significant temperature increases. Barrancabermeja reached 36.4°C, or 4.4°C above its historical average. Temperatures climbed to 35.6°C in Cucuta, while Medellin registered 31.3°C and Bogota reached 22.2°C.

In addition to the heatwave, Ideam warned of a significant increase in the risk of vegetation fires. Between 1–8 May, yellow alerts rose from seven to 42, orange alerts increased from zero to 55, and red alerts were issued for 24 municipalities.

The Caribbean region accounts for nearly 65pc of active wildfire alerts, followed by the Andean region. The departments most affected are La Guajira, Atlantico, Magdalena, Sucre and Norte de Santander.

According to Ideam, the dry conditions are linked to the strengthening of the North Atlantic high-pressure system and reduced activity in the Intertropical Convergence Zone over the Colombian Caribbean, both of which have limited rainfall formation.

The May climate outlook also points to below-average rainfall across much of the country, especially in the Caribbean, Andean and Pacific regions. Areas with the highest probability of rainfall deficits include Antioquia, the coffee-growing region, Tolima, Huila, Valle del Cauca, Cauca and Nariño.

Coffee usually benefits from high luminosity and warmer weather leading to water stress that prompts the appearance of the flowering season. Yet forest fires could destroy once and for all coffee plantations.

This heatwave happens at times Colombia gets ready to face El Nino. In Colombia,  the arrival of El Nino has heightened the alarms of the electricity and the agricultural sector. In the electricity sector, the shortfall of natural gas would likely lead to an electricity rationing, and blackouts if droughts reduce water levels for power generation, the head of thermal power generators' association Andeg, Alejandro Castaneda, said.

In the agricultural sector, the National Federation of Coffee Growers announced that, together with the government, it will invest COP50 billion ($13.8 million) to support coffee fertilization ahead of the expected arrival of the El Niño weather phenomenon in the second half of the year.

By Diana Delgado

Source Ideam

  • Coffee

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