Executive Summary

The Liberia Meteorological Service (LMS) is charged with the responsibility of providing weather information to the public. This 2025 Seasonal forecast provides climate, Agrometeorological information and advisories on the rainy season, which entails cumulative rainfall amount, onset and cessation of the cropping season, dry spells length at the start and end of the cropping season in the support of decision-making, policy formulation and planning for weather sensitive sectors such as agriculture, environment, disaster risk management, water resources, energy, transportation and health.

The 2025 Seasonal rainfall forecast employs the teleconnection between the El-Nino Southern Oscillation (ENSO) observed atmospheric condition over land and ocean, Sea Surface Temperature (SST) anomalies, Mean Sea Level Pressure (MSLP) anomalies, Madden Julian Oscillation (MJO), Inter-Tropical Convergence Zone (ITCZ), climatic data from LMS observatories across the country which covers a minimum period of 30 years.

This Forecast has been agreed upon by the Consensus from Continental Centre ACMAD, Regional Climate Centre (RCC) during the Agro-hydro-climatic characteristics of the rainy season for Sudanian and Sahelian zones of West Africa (PRESASS), together with the expertise and downscaled models output from the Liberia Meteorological Service (LMS).

The highlights of the 2025 May, June, and July Seasonal Forecast are: The central and Southeast parts of the country are anticipated to receive above average to extreme rainfall including parts of Grand Cape Mount, Bomi, and Gbarpolu in the western region. However, northern Gbarpolu and Lofa are expected to receive below average rainfall.

For the period June, July and August, the central region and parts of the south as well as the southeast are anticipated to receive above average rainfall while the northwestern and parts of the south are expected to receive average rainfall. However, northern Gbarpolu and Lofa are also expected to receive below average rainfall.

For the period July, August and September, the central parts of the country are anticipated to receive above average and extreme rainfall while the northern part of Lofa is anticipated to receive below average rainfall. All other parts of the country are expected to receive average rainfall.

The 2025 rainy season across the northern, southwestern and western part of the country is anticipating a normal start of the cropping season while across the central to southeast an early start is anticipated.

During the start of the season, the Northwest to Western Region of the country is expected to have a short dry spell while the central to the southern region is expected to have a long dry spell. However, the entire country is anticipated to experience a longer dry spell at the end of the season.

For the end of the 2025 cropping season, most parts of the country are anticipated to have an early end of the reason. Notwithstanding, Bomi, South of Gbarpolu, central and South of Bong County, central Nimba, north of Montserrado, Margibi and Grand Bassa are anticipated to have a late end of the season.