Generally speaking, Niger is either hot or hotter than hell; average temperatures are around 30°C (86°F), but are capable of reaching over 50°C (122°F) between March and June. The air is so hot during these months that rain evaporates before it hits the ground. December through to February are cooler months and the temperature can actually drop to freezing in the night-time desert.
Rains dampen the south between late May and September, with August being the wettest time. The south's annual rainfall is usually 550mm (22in), while the north is lucky to receive 150mm (6in). The harmattan winds usually arrive just before the rains and can cut visibility down to almost nothing.
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