Ruiru weather in April

In April, Ruiru sees average daytime highs of 25°C and overnight lows near 17°C, with 120 mm of rain across 22 wet days and about 12 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 15% of the time in April, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of April to 12 hours by month's end. Set against the rest of the year, April is Ruiru's 7th-clearest and 8th-windiest month. For the whole year in context, see Ruiru's year-round climate.

Daytime high
25°
5th warmest
Overnight low
17°
12th coldest
Rainfall
120 mm
22 wet days
Daylight
12 hours
6:33 AM – 6:32 PM
Cloud cover
65%
7th clearest
Wind
8 km/h
8th windiest
Solar energy
5.55 kWh/m²
Travel score
4.9
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical April day in Ruiru reaches about 25°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, April runs about 2°C cooler than March and about 1°C warmer than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122617
132617
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517

Ruiru weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 15°306.812.17.3
Feb27° / 16°215.1127.2
Mar27° / 17°5812.7126.2
Apr25° / 17°12022124.9
May24° / 16°7415.111.96.1
Jun23° / 15°285.711.97.0
Jul23° / 14°9211.97.3
Aug23° / 14°122.6127.4
Sep25° / 14°102.1127.8
Oct26° / 16°449.6126.7
Nov24° / 16°12321.212.15.1
Dec25° / 15°5713.712.16.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 28% of April, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35149
45050
54951
64951
74951
84852
94852
104753
114654
124555
134456
144456
154456
164456
174357
184258
194159
204159
214060
223961
233961
243763
253664
263565
273565
283466
293565
303565

Chance of precipitation in April

Any precipitation

Ruiru gets around 120 mm of rain over 22 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
166
267
368
469
570
670
771
872
972
1073
1173
1274
1374
1474
1575
1675
1775
1875
1975
2075
2175
2275
2375
2475
2575
2675
2774
2874
2973
3072

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the humid band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
174350
264351
354253
454154
544056
644056
733958
833958
933859
1023860
1123761
1223761
1323662
1423662
1513663
1613663
1713564
1813564
1913564
2013564
2113564
2213564
2313564
2413465
2513465
2603466
2703466
2803565
2903565
3003664

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over April. Sunrise moves from 6:37 AM to 6:31 AM, and sunset from 6:37 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:376:37
212.06:376:36
312.06:376:36
412.06:366:35
512.06:366:35
612.06:366:35
712.06:356:34
812.06:356:34
912.06:356:34
1012.06:356:33
1112.06:346:33
1212.06:346:33
1312.06:346:33
1412.06:346:32
1512.06:336:32
1612.06:336:32
1712.06:336:31
1812.06:336:31
1912.06:326:31
2012.06:326:31
2112.06:326:30
2212.06:326:30
2312.06:326:30
2412.06:326:30
2512.06:316:29
2612.06:316:29
2712.06:316:29
2812.06:316:29
2912.06:316:29
3012.06:316:28

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.55 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.81 kWh/m² in February across the year — April's 5.55 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Ruiru?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.9
Sightseeing
12th-best month of the year
4.5
Beach & pool
11th-best month of the year

April is a reasonable time to visit Ruiru for sightseeing.

What to pack for Ruiru in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Ruiru sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Ruiru in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ruiru peaks around March 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 16Jun 20UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec13Extreme

Air quality in Ruiru in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Ruiru is worst in June — around 53 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJun 1652 µg/m³Oct 1033 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb43Poor
Mar41Poor
Apr44Poor
May47Poor
Jun53Poor
Jul48Poor
Aug39Poor
Sep34Moderate
Oct33Moderate
Nov45Poor
Dec50Poor
Location & terrain

Where is Ruiru?

Ruiru sits at 1.1°S, 37.0°E, 1,531 m above sea level, in Kenya. The nearest listed city is Juja, 8.0 km away.

Topography around Ruiru

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ruiru.

Within 3 km, the terrain around Ruiru has only modest variations in elevation — a maximum elevation change of 66 m around an average of 1,531 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 362 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,970 m.

The land around Ruiru is covered by artificial surfaces (46%) and cropland (23%) within 3 km, grassland (24%) and artificial surfaces (20%) within 16 km, and grassland (34%) and shrubs (28%) within 80 km.

3 km
66 m
16 km
362 m
80 km
2,970 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Juja 8.0 km · Kiambu 14 km · Githunguri 17 km · Thika 17 km · Pumwani 20 km · Imara Daima Estate 22 km · Nairobi 22 km · Githunguri 23 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
Christian 86%Muslim 11%other 2%none 2%

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 Ruiru (-1.1466°, 36.9609°, elevation 1,531 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).