Weather on Kilimanjaro

Kilimanjaro weather can swing from hot sunshine to freezing cold in a single day. Unlike most destinations, the mountain doesn’t change dramatically from season to season - instead, temperature is driven by altitude and time of day. Because it’s big enough to create its own weather, you should be ready for sun, rain, wind, cold and even snow on the same climb.

Temperatures by altitude

At the base of the mountain the average temperature is a mild 21-27 °C (70-80 °F). As you ascend through the climate zones it falls steadily, until night-time temperatures at the summit, Uhuru Peak, range from about −7 °C to −29 °C (20 to −20 °F). Layering is the key to staying comfortable - see our Kilimanjaro packing list.

Kilimanjaro’s five climate zones

ZoneAltitudeConditions
Cultivation800-1,800 mWarm, temperate farmland with plentiful rain
Rainforest1,800-2,800 mWarm, humid and often misty; can be muddy
Heath & moorland2,800-4,000 mWarm days, cold nights, more exposed
Alpine desert4,000-5,000 mArid, strong sun by day, freezing at night
Arctic (summit)5,000 m+Ice, snow and bitter cold; ~49% of sea-level oxygen

Rainfall and snow

The long rains (March-May) are driven by moist south-easterly winds from the Indian Ocean, soaking the southern slopes and dropping snow on the summit. The short rains around November come from a drier north-easterly and are lighter, falling mainly on the northern slopes.

Kilimanjaro weather month by month

  • June-September (long dry season): cool but excellent, with little chance of rain - a top time to climb.
  • October-December (short rains): less predictable; we generally avoid climbing once the rains set in.
  • January-February (short dry season): popular and generally a little warmer - superb summit conditions.
  • March-May (long rains): heavy rain makes trails wet and slippery, so we don’t offer climbs in this window.

How Kilimanjaro weather affects your climb

Because conditions change so quickly, the golden rule is to be prepared for everything at once: pack breathable layers for warm forest days, waterproofs for sudden showers, and serious insulation for the freezing summit push. The dry seasons offer the most stable weather and the highest summit-success rates, which is why we schedule climbs around them. Choosing a longer route also gives you more margin if a day of bad weather slows you down. For the full picture, read our guides to climbing Kilimanjaro and the best routes.

What to wear for Kilimanjaro’s weather

The practical answer to the mountain’s changing weather is layering. Start each day in breathable base layers, add a fleece and a windproof shell as you climb, and keep waterproofs within easy reach for sudden showers. For summit night you’ll want every insulating layer you own, plus a warm hat, gloves and hand warmers. Good sunglasses and high-SPF sunscreen are essential year-round, because the equatorial sun is intense at altitude even when the air is freezing.

Weather on summit night

Most climbers set off for the summit around midnight to reach Uhuru Peak at sunrise. It’s bitterly cold, often with snow or ice underfoot, but the clearing dawn skies reveal vast views over Mawenzi and the plains below. You can learn more about the mountain’s protected environment via the Kilimanjaro National Park (UNESCO) listing.

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