Meru weather in May

In May, Meru sees average daytime highs of 26°C and overnight lows near 18°C, with 37 mm of rain across 7.3 wet days and about 12 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 47% of the time in May, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of May to 12 hours by month's end. Set against the rest of the year, May is Meru's 5th-clearest and 5th-windiest month. For the whole year in context, see Meru's year-round climate.

Daytime high
26°
7th warmest
Overnight low
18°
11th coldest
Rainfall
37 mm
7.3 wet days
Daylight
12 hours
6:26 AM – 6:26 PM
Cloud cover
46%
5th clearest
Wind
11 km/h
5th windiest
Solar energy
5.77 kWh/m²
Travel score
7.2
out of 10

Meru is town in Kenya.

Founded
1911

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in Meru reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312617

Meru weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°397.5127.2
Feb28° / 17°204.8127.1
Mar28° / 18°428.8126.5
Apr27° / 18°8413.8126.0
May26° / 18°377.3127.2
Jun25° / 17°132.8127.8
Jul25° / 16°101.8128.0
Aug25° / 16°112.2127.9
Sep27° / 17°102.1127.9
Oct27° / 18°439.2126.8
Nov25° / 17°11220.6125.3
Dec25° / 16°5513.2126.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35941
46040
56139
66337
76436
86535
96634
106832
116931
126931
137030
147129
157228
167228
177228
187327
197327
207327
217426
227426
237327
247327
257327
267327
277228
287228
297129
307030
316832

Chance of precipitation in May

Any precipitation

Meru gets around 37 mm of rain over 7.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
244
343
442
541
639
737
835
934
1032
1130
1228
1326
1425
1523
1622
1720
1819
1918
2016
2115
2214
2313
2412
2512
2611
2711
2811
2911
3011
3111

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1017785
2018775
3018775
4018784
5019774
6019774
7020773
8021763
9023743
10125713
11127702
12129682
13132652
14234622
15237592
16240571
17342541
18345511
19348481
20450451
21453421
22555400
23558370
24659350
25661330
26762310
27763300
28863290
29864280
30865270
31965260

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 0 minutes over May. Sunrise moves from 6:27 AM to 6:27 AM, and sunset from 6:27 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:276:27
212.06:266:26
312.06:266:26
412.06:266:26
512.06:266:26
612.06:266:26
712.06:266:26
812.06:266:26
912.06:266:26
1012.06:266:26
1112.06:266:26
1212.06:266:26
1312.06:266:26
1412.06:266:26
1512.06:266:26
1612.06:266:26
1712.06:266:26
1812.06:266:26
1912.06:266:26
2012.06:266:26
2112.06:266:26
2212.06:266:26
2312.06:266:26
2412.06:266:26
2512.06:266:26
2612.06:266:26
2712.06:266:26
2812.06:266:26
2912.06:266:27
3012.06:276:27
3112.06:276:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.77 kWh/m².

For context, solar energy here swings from a low near 5.06 kWh/m² to a high of 6.63 kWh/m² in February across the year — May's 5.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Meru?

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

7.2
Sightseeing
5th-best month of the year
7.0
Beach & pool
8th-best month of the year

May is one of the better times to visit Meru for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Meru in May

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

In May, Meru sees daytime highs around 26°C and nights near 18°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Meru in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Meru 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 16Jun 19UV 11
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr16Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Meru in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Meru 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1832 µg/m³Sep 1819 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb32Moderate
Mar31Moderate
Apr28Moderate
May25Moderate
Jun28Moderate
Jul27Moderate
Aug21Moderate
Sep19Moderate
Oct20Moderate
Nov29Moderate
Dec32Moderate
Location & terrain

Where is Meru?

Meru sits at 0.0°N, 37.7°E, 1,579 m above sea level, in Kenya. The nearest listed city is Isiolo, 35 km away.

NanyukiEmbuKerugoyaKaratinaWanguru

Topography around Meru

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

Within 3 km, the terrain around Meru has significant variations in elevation — a maximum elevation change of 418 m around an average of 1,566 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,570 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,755 m.

The land around Meru is covered by trees (72%) within 3 km, trees (53%) and cropland (24%) within 16 km, and shrubs (39%), grassland (26%) and trees (23%) within 80 km.

3 km
418 m
16 km
1,570 m
80 km
4,755 m
treesshrubsgrasslandcroplandartificial surfaceswetland
May weather nearby: Isiolo 35 km · Maua 38 km · Chuka 42 km · Nanyuki 65 km · Embu 69 km · Kerugoya 74 km · Karatina 83 km · Wanguru 88 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 Meru (0.0463°, 37.6559°, elevation 1,579 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).