African Safaris Hub Kilimanjaro
Weather & climate
You’ll walk from the equator to the Arctic in under a week. Here’s exactly what to expect at every altitude — and when to climb.
Five worlds, one mountain
Kilimanjaro is so tall that climbing it takes you through five distinct ecological zones, each with its own weather. In a matter of days you pass from hot farmland, through steamy rainforest and open moorland, into high alpine desert, and finally onto a frozen, glaciated summit.
Because you gain so much altitude, temperature is driven far more by height than by season — it falls roughly 6–7°C for every 1,000 metres you climb. Understanding these zones is the key to packing right and knowing what your body is walking into.
The five climate zones
Zone 1
The warm, fertile lower slopes where villages and farms grow coffee and bananas. Your climb starts here in a mild, pleasant climate before the gates of the national park. Expect comfortable daytime warmth and the odd afternoon shower.
Zone 2
A lush, dripping cloud forest alive with monkeys and birdsong — and the wettest part of the mountain. Humidity is high and rain is common, especially in the afternoons, so waterproofs earn their place from day one. Warm by day, cooler once the cloud rolls in.
Zone 3
Above the forest the air clears and opens onto rolling moorland dotted with giant heathers, lobelias and groundsels. Days can be bright and mild, but nights drop to or below freezing, and the sun is strong at altitude. The weather here is changeable and exposed.
Zone 4
A stark, rocky semi-desert with very little water or life. Temperature swings are extreme: intense sun and UV by day, hard frost at night. The air is thin, rainfall is rare, and this is where careful acclimatization matters most before the final push.
Zone 5
Ice, glaciers, and the thin, freezing air of the roof of Africa. Oxygen is around half that at sea level, and with wind chill the summit can feel colder than −20°C. You’ll cross this zone on summit night, reaching Uhuru Peak around dawn.
Temperature by altitude
Roughly how temperatures fall as you climb. Figures are indicative — conditions vary with season, time of day, and weather.
Temperature falls about 6–7°C per 1,000 m of ascent. The biggest daily swings happen high up, where strong sun by day gives way to hard frost at night.
Weather through the year
Kilimanjaro can be climbed year-round, but two dry seasons offer the clearest skies and safest trails. Two rainy seasons bring mud, cloud, and slippery paths.
January – early March
ExcellentThe short dry season: warm, clear, and quieter than mid-year. Often the most comfortable temperatures on the mountain.
Mid-March – May
Long rains — avoidThe wettest window. Heavy rain, thick cloud, and muddy trails make climbing harder and views rare. Best avoided by most climbers.
June – October
Peak seasonThe main dry season: clear skies and stable weather. Nights are cold, and July–September are the busiest months on the mountain.
November
Short rainsBrief afternoon showers return. Trails are quiet and mornings often clear, but expect some rain and be ready for it.
December
GoodRains ease and skies improve into the festive season — a popular time to climb as the short dry season begins.
Summit night
The final push to Uhuru Peak begins around midnight, so you reach the summit near sunrise. It’s the coldest, windiest part of the mountain: temperatures often sit between −15 and −25°C, and wind chill can make it feel colder still.
This is why layering is non-negotiable and why a warm down jacket, insulated gloves, and a balaclava matter more than anything else in your pack. Move steadily, keep your core warm, and the cold becomes manageable.
What it means for you
Base layers, insulating mid-layers, and a windproof, waterproof outer let you adjust as you climb from warm forest to freezing summit.
UV is fierce at altitude even when it’s cold. Bring sunglasses, a sun hat, and high-factor sunscreen for the exposed upper zones.
Rain is possible on any climb, especially in the rainforest. A dry climber is a warm, safe climber — pack waterproof jacket, trousers, and pack cover.
For summit night you’ll want a down jacket, insulated gloves or mittens, a balaclava, and warm socks. This is where the cold is won or lost.
In short
Kilimanjaro’s weather is defined by altitude far more than by the calendar. Climb in a dry season, pack for warmth and wet alike, and prepare for a freezing summit night, and the mountain’s wild range of climates becomes part of the adventure rather than an obstacle.