Climate in Nairobi

Nairobi, Kenya has a semi-arid climate. The annual average temperature is about 28.5°C and the city receives roughly 901 mm of precipitation across 101 rainy days a year, with around 2201 hours of sunshine. The warmest month is Jan (highs near 36.9°C) and the coldest is Jul (lows near 20°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Nairobi is classified as Semi-Arid. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Nairobi receives about 901 mm of precipitation a year over roughly 101 rainy days. The wettest month is Nov and the driest is Jul.

Nairobi sees an estimated 2201 hours of sunshine a year, concentrated in the warmer months around Jan.

By temperature and rainfall, the most comfortable months in Nairobi are Jul, Jun, Aug. Conditions vary year to year — verify with a current forecast before booking.

Nairobi has a climate comfort score of 59/100, a moderate year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Cape Town — Semi-Arid, comfort 79/100
• Climate in Bangkok — Tropical, comfort 64/100
• Climate in Mexico City — Semi-Arid, comfort 72/100