expatwhy.

Naivasha weather by month

Naivasha runs from about 17°C in June to 20°C in March, with April the wettest month at 232 mm.

warmest month

March

20°C

coolest month

June

17°C

wettest month

April

232 mm

worst air month

August

19 µg/m³

The whole year, month by month.

Monthly climate normals for Naivasha
MonthAvg tempRainSunPM2.5
January18°C152 mm337 h10
February20°C22 mm335 h10
March20°C35 mm361 h8
April18°C232 mm315 h7
May18°C111 mm319 h9
June17°C9 mm335 h11
July17°C50 mm340 h19
August17°C12 mm345 h19
September18°C26 mm339 h15
October19°C39 mm357 h11
November18°C128 mm320 h9
December18°C36 mm355 h10

About 4,058 hours of sun a year. Roughly 86 rainy days a year.

These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.

where these numbers come from

  • · Temperature, rainfall and sunshine: ECMWF ERA5 reanalysis climate normals via Open-Meteo (CC BY 4.0), fetched once and stored.
  • · PM2.5: Copernicus CAMS reanalysis, monthly means. Modelled, not station readings; near coasts CAMS counts sea salt as PM2.5 and reads high.

Last reviewed 2026-05-25. Full method, licences and the list of sources we rejected are on the methodology page.