Weather & Climate – Nairobi NP

Anthony Ham
Expert
By Anthony Ham

Anthony is a renowned Africa expert and author of many Lonely Planet guidebooks, including the guide to Kenya.

Anthony is a renowned Africa expert and author of the Lonely Planet guide to Kenya.

Anthony is the author of the Lonely Planet guide to Kenya.

Climate Chart Nairobi National Park

Climate Chart Nairobi National Park – 1,511-1,754m / 4,957-5,755ft

* Averages based on 50 years of monthly climate data, taken from 1km² (0.39mi²) interpolated climate surfaces.
© chart & park data: SafariBookings. © climate grid data: WorldClim project. All rights reserved.

Nairobi, which lies at a high altitude, has a cool and temperate climate. Temperatures are reasonably constant year-round, and it cools off considerably at night. There is very little rain in the Dry season between June and October. November to May, the Wet season, has two periods of rain. The ‘short rains’ are heaviest in November, and the ‘long rains’ are at their peak in April. Sometime around January and February is a drier spell, in between the long and short rains.

Dry season June to October

It rains very little in the Dry season, although when the first rains fall is changeable. July and August are the coolest months, and temperatures increase in September through October before the rain breaks.

  • June, July, August & September – Lots of sunshine with very little rain. Afternoons are pleasant with temperatures around 24°C/75°F, but evenings and early mornings are cold with temperatures of around 12°C/54°F.
  • October – It is warming up a bit with afternoon temperatures of about 26°C/79°F. The short rains might start towards the end of the month, or it might be later in November. Temperatures drop after the rains.

Wet season November to May

The Wet season is comprised of three distinct parts: the 'short rains' from November to December and the 'long rains' from March to May, with a dry period separating them.

  • November & December – 'Short rains': October or November sees the start of the short rains, which normally peak in November. Temperatures increase before it rains, drop immediately after, and average at 25°C/77°F in the afternoon.
  • January & February – The rains dry up in these months, separating the two rainy seasons. It’s the hottest time of year with average afternoon temperatures of 28°C/82°F.
  • March, April & May – 'Long rains': April is the wettest month and rain might interfere with your game drives. Road conditions deteriorate. The rain diminishes in May, but the roads may still be problematic until later that month. Afternoon temperatures are around 26°C/79°F.

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