CLIMATE & HEALTHE BULLETIN FOR OCTOBER 2026
HIGHLIGHTS OF THE CLIMATE AND HEALTH BULLETIN FOR OCTOBER 2026
Rainfall: Overall cumulative rainfall will decrease during the month of October, with totals expected to range between 270.4 mm to 643.7mm.
Highest rainfall: Maryland, Grand Kru, Sinoe, and parts of Grand Gedeh, Rivercess, Montserrado and Bomi are anticipated to experience the highest rainfall.
Lowest Rainfall: Parts of Lofa, Bong and Nimba Counties are anticipated to experience the lowest rainfall during the month under review.
Relative Humidity: Forecasted between 84.4% and 92.3% relative humidity is expected. High humidity will be concentrated in Grand Cape Mount, Bomi, Gbapolu, Nimba, Grand and Lofa counties, while Margibi, Grand Bassa, Sinoe, Grand Kru, and Maryland will experience lower relative humidity.
Temperatures:
Maximum (27.7°C to 30.8°C): the highest is anticipated in Grand Cape Mount, and parts of Bomi Gbapolu, and Lofa counties while, the lowest is expected Margibi, Grand Bassa, Rivercess, Sinoe, Grand Kru Rivergee and Maryland counties.
Minimum (21.9°C -27.0° C): the highest minimum temperature is anticipated along the coastal area while the lowest is anticipated in the northern side of the country.
Mean (26.1°C-27.7°C): the lowest average temperature is anticipated in the northern parts of the country including: Lofa, Bong, and Nimba, counties while the highest is anticipated in parts of Grand Cape, Bomi, Montserrado, Margibi and Grand Bassa counties.
Malaria Risk: Malaria cases are expected to increase along the coastal region. The combination of rain, high humidity, and warm temperatures creates ideal mosquito breeding conditions. The highest incidence is expected along the coastal area (Margibi, Grand Bassa, Rivercess, Sinoe, Grand Kru and Maryland counties).
Malaria Vigilance: The anticipated climatic conditions during October 2026, characterized by increased rainfall, high relative humidity, and favorable temperatures, are expected to create conducive environments for mosquito breeding and survival.
Medication Stability: Expected temperature and humidity levels may compromise the shelf life, stability, and efficacy of sensitive medical supplies across Liberia.
Medical advisory for October 2026
Based on the foretasted climatic conditions for October 2026, which favor increased mosquito breeding and the spread of vector-borne diseases, medical personnel, individuals, and stakeholders in the health sector are advised to take the following precautionary measures.
Use Prophylaxis & Prevention: Travel with antimalarial medication when visiting high-risk areas, ensure vulnerable groups adhere to prescribed prophylaxis, and sleep under insecticide-treated nets (ITNs).
Eliminate Vector Breeding: Clear stagnant water and improve community sanitation to destroy mosquito breeding grounds.
Seek Early Care: Promptly visit recognized health facilities if experiencing symptoms like fever, chills, headache, or fatigue.
Protect Medical Supplies: Store all pharmaceuticals in cool, dry places to prevent heat and humidity degradation.
Strengthen Surveillance: Boost community awareness and report suspected cases early to support public health interventions.
Summary: In October 2026, rainfall is expected to decrease across the country. However, Maryland, Grand Kru, Sinoe, and parts of Grand Gedeh, Rivercess, Montserrado and Bomi counties are anticipated to experience high rainfall during this period. Nevertheless, rainfall is expected to decrease in parts of Lofa Bong and Nimba counties. The total monthly rainfall is expected to range from 270.4mm to 643.7mm.
Summary: Forecasted between 84.4% and 92.3% relative humidity is expected. High humidity will be concentrated in Grand Cape Mount, Bomi, Gbapolu, Nimba, Grand and Lofa counties, while Margibi, Grand Bassa, Sinoe, Grand Kru, and Maryland will experience lower relative humidity.
Summary: Maximum temperature is expected to range between 27.7°C to 30.8°C. The highest is anticipated in Grand Cape Mount, and parts of Bomi Gbapolu, and Lofa counties while, the lowest is expected Margibi, Grand Bassa, Rivercess, Sinoe, Grand Kru Rivergee and Maryland counties.
Summary: Minimum temperature is predicted to range between 21.9°C to 27.0° C. the highest minimum temperature is anticipated along the coastal area while the lowest is anticipated in the northern side of the country.
Summary:
Malaria Vigilance: The anticipated climatic conditions during October 2026, characterized by increased rainfall, high relative humidity, and favorable temperatures, are expected to create conducive environments for mosquito breeding and survival.
Summary:
Malaria Risk: Malaria cases are expected to increase along the coastal region. The combination of rain, high humidity, and warm temperatures creates ideal mosquito breeding conditions. The highest incidence is expected along the coastal area (Margibi, Grand Bassa, Rivercess, Sinoe, Grand Kru and Maryland counties).