Different regions across Nigeria experience distinct weather patterns influenced by geogra… — JAMB UTME

Different regions across Nigeria experience distinct weather patterns influenced by geographic factors such as latitude, ocean proximity, and relief. Pair each Nigerian climatic zone on the left with its defining climatic characteristic on the right.

Sub-equatorial Climate ZoneDouble rainfall maxima with an 'August Break' and high mean annual precipitation exceeding $2,000\text{ mm}$
Tropical Hinterland Climate ZoneSingle rainfall peak between July and August, mean annual precipitation of $1,000\text{ mm} - 1,500\text{ mm}$ , and a $4$ to $5$ month dry season
Tropical Continental Climate ZoneSingle rainfall peak, a prolonged dry season lasting up to $7\text{ months}$ , and wide diurnal temperature ranges
High Plateau (Montane) Climate ZoneMean annual temperatures lowered by altitude to around $21^\circ\text{C}$ to $22^\circ\text{C}$ with higher relief rainfall

Answer

Sub-equatorial Climate Zone pairs with double rainfall maxima exceeding

2,000\text{ mm}

; Tropical Hinterland Climate Zone pairs with single rainfall peak (

1,000\text{ mm} - 1,500\text{ mm}

); Tropical Continental Climate Zone pairs with a dry season up to

7\text{ months}

and wide diurnal range; High Plateau Climate Zone pairs with temperature reduction by altitude to around

21^\circ\text{C} - 22^\circ\text{C}

Each Nigerian climatic zone has distinct thermal and moisture characteristics driven by latitude, distance from the Gulf of Guinea, and elevation. The Sub-equatorial coast receives double rainfall peaks and over

2,000\text{ mm}

of rain. Moving northward, the Tropical Hinterland receives

1,000\text{ mm} - 1,500\text{ mm}

with a shorter rainy season, while the Tropical Continental zone farther north experiences up to

7\text{ months}

of dry season and high diurnal temperature ranges. The High Plateau climate features reduced temperatures (

21^\circ\text{C} - 22^\circ\text{C}

) due to orographic altitude.

Step-by-Step Solution

Analyze coastal influences in southern Nigeria

Identify that the moist Tropical Maritime (

\text{mT}

) air mass dominates the south for most of the year, causing heavy precipitation (

>2,000\text{ mm}

) and a double rainfall peak.

This corresponds to the Sub-equatorial Climate Zone.

Examine the transitional central belt of Nigeria

Identify that moving inland yields moderate rainfall (

1,000\text{ mm} - 1,500\text{ mm}

) with a single peak around July/August.

This corresponds to the Tropical Hinterland Climate Zone.

Evaluate the far northern region affected by the Sahara Desert

Identify that the prolonged presence of dry Tropical Continental (

\text{cT}

) air causes a dry season lasting up to

7\text{ months}

and high diurnal temperature variations.

This corresponds to the Tropical Continental (Sudan) Climate Zone.

Determine the effect of altitude on high relief zones like Jos Plateau

Apply the lapse rate principle, noting that higher elevation significantly lowers mean temperatures relative to surrounding plains.

This corresponds to the High Plateau (Montane) Climate Zone.

Key Concept

Climatic Regions of Nigeria and their spatial characteristics

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