Climate averages 1991–2020

Nyeri weather
in May.

A mild, wet month: the 7th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 20.5°C Daytime mean, May

Average low 13.2°C Night-time mean, May

Rainfall 158 mm 22 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

May is a mild month in Nyeri: daytime highs average 20.5°C and nights cool to about 13.2°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 158 mm of rain on roughly 22 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 06 min on an average May day.

The nearest other city in this atlas is Karuri (Murang'A), Kenya (41 km away). In May its highs average 23.8°C, 3.3°C warmer than Nyeri, with 135 mm of rain.

Among the 37 cities listed in Kenya, Nyeri ranks 35th of 37 for the warmest May highs and 24th of 37 for the driest May (rainfall, lowest first). The mean May high of those 37 cities is 25.2°C; Nyeri is 4.7°C cooler than that mean.

From May to June, average highs fall by 1.0°C to 19.6°C, and monthly rainfall falls from 158 mm to 77 mm.

The annual picture

May in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Nyeri climate table

1991–2020

Monthly climate averages for Nyeri, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	22.6°C10.9°C	10.9°C	110	14.5	12.112 h
February	23.8°C11.1°C	11.1°C	85	12.1	12.112 h
March	23.5°C12.2°C	12.2°C	133	18.4	12.112 h
April	21.5°C13.4°C	13.4°C	206	25.4	12.112 h
May, selected	20.5°C13.2°C	13.2°C	158	22.2	12.112 h
June	19.6°C11.9°C	11.9°C	77	16.6	12.112 h
July	18.6°C10.8°C	10.8°C	51	14.1	12.112 h
August	18.9°C10.7°C	10.7°C	57	15.4	12.112 h
September	20.4°C10.9°C	10.9°C	46	11.9	12.112 h
October	20.9°C12.1°C	12.1°C	129	18.7	12.112 h
November	20.2°C12.4°C	12.4°C	230	26.4	12.112 h
December	21.1°C11.5°C	11.5°C	181	22.0	12.112 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

May in nearby cities

Distance from Nyeri

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nyeri) is explained once on the Nyeri year overview and on the Sources, method and limits page.