Isiolo in Spring
In spring (March, April and May), Isiolo sees average daytime highs around 27°C and overnight lows near 17°C, with 166 mm of rain over about 27 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 42% of the time across spring, and the air most often feels comfortable.
Spring is Isiolo's 3rd-best season to visit on our travel score. For the whole year in context, see Isiolo's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 166 mm
- 27 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.8
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Isiolo in Spring
Across spring, daytime highs hold fairly steady around 27°C.
A typical spring day in Isiolo reaches about 27°C and drops to 17°C overnight. The warmest of the three months is March, the coolest March.
Isiolo weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 15° | 41 | 8.2 | 12 | 7.3 |
| Feb | 27° / 15° | 23 | 4.9 | 12 | 7.4 |
| Mar | 27° / 16° | 43 | 8.6 | 12 | 6.9 |
| Apr | 27° / 17° | 76 | 11.3 | 12 | 6.4 |
| May | 26° / 17° | 47 | 7.5 | 12 | 7.2 |
| Jun | 25° / 16° | 28 | 5.6 | 12 | 7.5 |
| Jul | 24° / 15° | 38 | 7.8 | 12 | 7.3 |
| Aug | 25° / 15° | 40 | 9.1 | 12 | 7.1 |
| Sep | 26° / 16° | 27 | 5.7 | 12 | 7.6 |
| Oct | 26° / 16° | 53 | 10 | 12 | 6.8 |
| Nov | 24° / 16° | 99 | 19.8 | 12 | 5.5 |
| Dec | 25° / 15° | 55 | 13.3 | 12 | 6.6 |
Cloud cover in Spring
The sky is clear or mostly clear about 42% of the time across spring.
Chance of precipitation in Spring
Isiolo gets around 166 mm of rain over 27 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 8 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 12 hours in early March to 12 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.2 kWh/m².
Is spring a good time to visit Isiolo?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Isiolo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Isiolo in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Isiolo sees daytime highs around 27°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 27 days see rain.
UV index in Isiolo in Spring
Clear-sky midday UV across spring averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Isiolo peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 16 | 15 | 12 | 10 | 11 | 12 | 13 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Isiolo in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Isiolo is worst in February — around 32 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 19 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 30 | 32 | 31 | 28 | 25 | 28 | 27 | 21 | 19 | 20 | 29 | 32 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 30 | Moderate |
| Feb | 32 | Moderate |
| Mar | 31 | Moderate |
| Apr | 28 | Moderate |
| May | 25 | Moderate |
| Jun | 28 | Moderate |
| Jul | 27 | Moderate |
| Aug | 21 | Moderate |
| Sep | 19 | Moderate |
| Oct | 20 | Moderate |
| Nov | 29 | Moderate |
| Dec | 32 | Moderate |
Where is Isiolo?
Isiolo sits at 0.4°N, 37.6°E, 1,095 m above sea level, in Kenya. The nearest listed city is Meru, 35 km away.
Topography around Isiolo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isiolo.
Within 3 km, the terrain around Isiolo has only modest variations in elevation — a maximum elevation change of 146 m around an average of 1,107 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 833 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,636 m.
The land around Isiolo is covered by grassland (39%), artificial surfaces (25%) and shrubs (24%) within 3 km, grassland (42%) and shrubs (39%) within 16 km, and shrubs (40%) and grassland (36%) within 80 km.
Kenya travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type G
- 240 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $2,363
- 2025
- Happiness
- 4.7 / 10
- World Happiness, 2025
- Homicide rate
- 4.9
- per 100k, 2022
- Road deaths
- 28.3
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- High
- EF EPI 593
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Isiolo (0.3546°, 37.5822°, elevation 1,095 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.