Blog IICA

Evidences

5 results

August rainfall deficit reached 67%

02/09/2026 Go to Evidence

67% was the precipitation deficit recorded in French Guiana during August 2026, following deficits of 49% in July and 17% in June.

Météo-France Guyane (2026).

Météo-France Guyane. (2026, September 2). Prévisions saisonnières de septembre à novembre 2026. https://meteofrance.gf/fr/climat/previsions-saisonnieres-de-septembre-novembre-2026

Driest June-August period since 1967

02/09/2026 Go to Evidence

415.8 mm was the average accumulated precipitation in French Guiana from June through August 2026, the lowest total for that period since 1967 and equivalent to a 36% deficit, calculated using 13 reference stations.

Météo-France Guyane (2026).

Météo-France Guyane. (2026, September 2). Prévisions saisonnières de septembre à novembre 2026. https://meteofrance.gf/fr/climat/previsions-saisonnieres-de-septembre-novembre-2026

Driest July since 1967 in French Guiana

04/08/2026 Go to Evidence

110 mm of average rainfall were recorded in French Guiana in July 2026, compared with a monthly normal of 262 mm; it was the driest July recorded since 1967.

Météo-France Guyane (2026)

Météo-France Guyane. (2026, 4 août). Résumé mensuel du temps juillet 2026. https://meteofrance.gf/fr/climat/resume-mensuel-du-temps-juillet-2026

Rainfall deficit reached 49%

04/08/2026 Go to Evidence

49% was the average rainfall deficit in July 2026 across the 13 historical monitoring stations in French Guiana; across 25 stations with more than 30 years of data, the deficit was 46%.

Météo-France Guyane (2026)

Météo-France Guyane. (2026, 4 août). Résumé mensuel du temps juillet 2026. https://meteofrance.gf/fr/climat/resume-mensuel-du-temps-juillet-2026