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Climate & Weather Guide in Nigeria

Climate zones, seasonal temperatures, rainfall patterns, and best travel times

Nigeria has a strongly tropical climate, but conditions vary sharply from the humid coast to the dry Sahel in the far north. Most of the country is warm to hot year-round, with high humidity near the Atlantic coast and a long dry season in the north. The country spans about 923,768 km², so its climate diversity is high enough to require multiple zones. Köppen climate patterns range from tropical monsoon and tropical savanna in the south and center to hot semi-arid conditions in the north, with the wettest areas along the Niger Delta and the southeastern coast. For residents and expats, the main practical differences are rainfall intensity, humidity, and length of the dry season rather than extreme cold.

Summer Average

27-38°C

Winter Average

20-33°C

Climate Types

Tropical monsoon and Tropical savanna and Hot semi-arid

Annual Rainfall

500-4300 mm

Sunshine Hours

1,800-3,000 hrs/yr

Average Humidity

45-90%

Regional Climate Variations

Southeastern Coast and Niger Delta

This is Nigeria’s wettest and most humid zone, shaped by Atlantic moisture and frequent heavy rainfall. Temperatures stay warm through the year, but the climate feels sticky because humidity is persistently high, especially near the coast and delta waterways. Rainfall is abundant and the wet season is long, which supports lush vegetation and dense settlement in many coastal cities. For residents and expats, this area is best suited to those comfortable with tropical heat, frequent downpours, and limited seasonal cooling.

Summer:27-31°C
Winter:24-29°C
Very high rainfall

Hot, humid, and rain-rich for much of the year, with a heavy tropical feel and little seasonal chill.

Southwestern Coastal Belt

The southwest coast is also humid and rainy, but generally a little less extreme than the southeastern delta region. Lagos and nearby coastal areas experience warm temperatures, marine influence, and a long wet season with periodic intense storms. The climate is often uncomfortable for people sensitive to humidity, yet it is moderated slightly by coastal breezes compared with inland Nigeria. This zone is attractive for access to major urban centers, but residents should expect flood-prone rainfall and consistently warm nights.

Summer:26-31°C
Winter:23-28°C
High rainfall

Warm coastal weather with strong humidity, frequent rain, and a mild marine influence that softens temperature extremes.

Southern Interior and Middle Belt

This broad central zone has a tropical savanna climate with a clearer split between wet and dry seasons. Rainfall is enough to support farming and greener landscapes than the north, but the dry season is noticeable and temperatures can rise sharply before the rains arrive. Compared with the coast, humidity is lower and evenings are often more comfortable. For residents and expats, this is one of the more balanced climate regions, offering warm weather without the constant wetness of the south-coast belt.

Summer:28-36°C
Winter:21-32°C
Moderate rainfall

Warm year-round with a pronounced wet season, dusty dry months, and a more livable balance between heat and humidity.

North Central Plateau

The central northern highland areas are still hot, but elevation brings somewhat cooler nights and slightly less oppressive heat than the lowlands. Rainfall is lower than in the southern half of the country, and the dry season is longer and more noticeable. The climate remains tropical overall, yet daily comfort is improved by the plateau effect, especially compared with the far north. This zone often feels drier, brighter, and less humid, making it a transitional climate between the humid south and the arid north.

Summer:25-34°C
Winter:18-30°C
Low to moderate rainfall

Warm but somewhat cooler at night, with a drier atmosphere and a longer dry season than southern Nigeria.

Northern Plains and Sahel Fringe

Northern Nigeria has the driest climate in the country, with long dry seasons, high daytime heat, and much lower rainfall than the south. The farther north you go, the more semi-arid the landscape becomes, especially near the Sahel fringe. Harmattan winds can make the air dusty and visibly reduce humidity during the dry season. For residents and expats, this region offers less rain and lower humidity, but it also brings hotter afternoons, more dust, and a harsher overall climate.

Summer:30-40°C
Winter:15-31°C
Low rainfall

Dry, hot, and dusty for long stretches, with a short rainy season and a strong semi-arid feel.

Nigeria’s climate ranges from very wet tropical conditions in the south to hot semi-arid weather in the north, so residents experience major differences depending on region. The most comfortable areas for many expats are often the Middle Belt and selected plateau locations, while the coast suits people who can handle heat, humidity, and heavy rain.