Climate averages 1991–2020
Meru weather
in May.
A warm, fairly dry month: the 7th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Meru: daytime highs average 23.7°C and nights cool to about 15.6°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 37 mm of rain on roughly 7 days, which makes May a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average May day.
The nearest other city in this atlas is Isiolo (35 km away). In May its highs average 28.9°C, 5.1°C warmer than Meru, with 47 mm of rain.
Among the 37 cities listed in Kenya, Meru ranks 21st of 37 for the warmest May highs and 4th of 37 for the driest May (rainfall, lowest first). The mean May high of those 37 cities is 25.2°C; Meru is 1.5°C cooler than that mean.
From May to June, average highs fall by 0.8°C to 22.9°C, and monthly rainfall falls from 37 mm to 13 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Meru climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.1°C13.9°C | 13.9°C | 39 | 7.5 | 12.112 h |
| February | 25.5°C14.4°C | 14.4°C | 20 | 4.8 | 12.112 h |
| March | 25.5°C15.1°C | 15.1°C | 42 | 8.8 | 12.112 h |
| April | 24.2°C15.9°C | 15.9°C | 84 | 13.8 | 12.112 h |
| May, selected | 23.7°C15.6°C | 15.6°C | 37 | 7.3 | 12.112 h |
| June | 22.9°C14.4°C | 14.4°C | 13 | 2.8 | 12.112 h |
| July | 22.4°C13.6°C | 13.6°C | 10 | 1.8 | 12.112 h |
| August | 23.0°C13.6°C | 13.6°C | 11 | 2.2 | 12.112 h |
| September | 24.6°C14.2°C | 14.2°C | 10 | 2.1 | 12.112 h |
| October | 24.6°C15.1°C | 15.1°C | 43 | 9.2 | 12.112 h |
| November | 22.1°C14.7°C | 14.7°C | 112 | 20.6 | 12.112 h |
| December | 22.7°C13.9°C | 13.9°C | 55 | 13.2 | 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
- Isiolo in MayKenya · 35 kmHigh 28.9°C · Low 18.5°C · 47 mm rain
- Nanyuki in MayKenya · 65 kmHigh 21.6°C · Low 13.7°C · 199 mm rain
- Nyeri in MayKenya · 94 kmHigh 20.5°C · Low 13.2°C · 158 mm rain
- Karuri (Murang'A), Kenya in MayKenya · 98 kmHigh 23.8°C · Low 15.8°C · 135 mm rain
- Thika in MayKenya · 137 kmHigh 23.4°C · Low 15.1°C · 136 mm rain
- Ruiru in MayKenya · 154 kmHigh 23.2°C · Low 14.8°C · 74 mm rain
- Mwala in MayKenya · 157 kmHigh 24.7°C · Low 16.6°C · 40 mm rain
- Naivasha in MayKenya · 160 kmHigh 21.0°C · Low 13.8°C · 130 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Meru) is explained once on the Meru year overview and on the Sources, method and limits page.