Mairo Inya weather in January

In January, Mairo Inya sees average daytime highs of 23°C and overnight lows near 10°C, with 38 mm of rain across 5.8 wet days and about 12 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 35% of the time in January, and the air most often feels dry.

Daylight stretches from about 12 hours at the start of January to 12 hours by month's end. Set against the rest of the year, January is Mairo Inya's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Mairo Inya's year-round climate.

Daytime high
23°
4th warmest
Overnight low
10°
1st coldest
Rainfall
38 mm
5.8 wet days
Daylight
12 hours
6:44 AM – 6:44 PM
Cloud cover
53%
2nd clearest
Wind
8 km/h
3rd windiest
Solar energy
6.48 kWh/m²
Travel score
7.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical January day in Mairo Inya reaches about 23°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12210
22210
32210
42210
52210
62210
72210
82210
92210
102210
112210
122210
132210
142210
152210
162210
172310
182310
192310
202310
212310
222310
232310
242310
252310
262310
272310
282310
292310
302310
312310

Mairo Inya weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 10°385.8127.5
Feb24° / 10°273.9127.9
Mar24° / 11°687.1127.5
Apr23° / 12°15714.6125.9
May22° / 12°12613.1126.2
Jun21° / 12°10013.5125.8
Jul20° / 11°14618125.1
Aug20° / 11°15618.8125.0
Sep22° / 11°9411.3126.3
Oct22° / 11°15014.6125.8
Nov21° / 11°15117.5125.2
Dec21° / 11°599.5126.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45743
55644
65743
75743
85644
95644
105644
115644
125743
135743
145743
155842
165842
175941
185941
195941
205941
216040
226040
236040
246040
256139
266139
276139
286139
296139
306040
316040

Chance of precipitation in January

Any precipitation

Mairo Inya gets around 38 mm of rain over 5.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
221
320
420
520
620
720
820
920
1020
1120
1220
1320
1419
1519
1619
1719
1818
1918
2018
2118
2217
2317
2417
2516
2616
2715
2815
2915
3015
3115

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1946
2955
3955
4955
5955
6955
7955
8955
9955
10955
11955
12955
13955
14955
15955
16964
17964
18964
19964
20964
21964
22964
23964
24964
25964
26964
27964
28964
29964
30964
31955

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 6:38 AM to 6:48 AM, and sunset from 6:37 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:386:37
212.06:386:38
312.06:386:38
412.06:396:39
512.06:396:39
612.06:406:40
712.06:406:40
812.06:416:41
912.06:416:41
1012.06:416:41
1112.06:426:42
1212.06:426:42
1312.06:436:43
1412.06:436:43
1512.06:436:43
1612.06:446:44
1712.06:446:44
1812.06:446:44
1912.06:456:45
2012.06:456:45
2112.06:456:45
2212.06:466:46
2312.06:466:46
2412.06:466:46
2512.06:466:46
2612.06:476:47
2712.06:476:47
2812.06:476:47
2912.06:476:47
3012.06:486:47
3112.06:486:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.48 kWh/m².

For context, solar energy here swings from a low near 5.08 kWh/m² to a high of 7.08 kWh/m² in February across the year — January's 6.48 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.5Intense
196.6Intense
206.6Intense
216.6Intense
226.7Intense
236.7Intense
246.7Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.9Intense
316.9Intense
Planning a trip in January

Is January a good time to visit Mairo Inya?

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

7.5
Sightseeing
2nd-best month of the year
5.5
Beach & pool
3rd-best month of the year

January is one of the better times to visit Mairo Inya for general sightseeing.

What to pack for Mairo Inya in January

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

In January, Mairo Inya sees daytime highs around 23°C and nights near 10°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

UV index in Mairo Inya in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mairo Inya peaks around March 16 at about 17 (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 16UV 17Jun 19UV 11
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme

Air quality in Mairo Inya in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mairo Inya is worst in June — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2334 µg/m³Oct 1224 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb31Moderate
Mar28Moderate
Apr27Moderate
May28Moderate
Jun34Moderate
Jul34Moderate
Aug28Moderate
Sep25Moderate
Oct24Moderate
Nov27Moderate
Dec28Moderate
Location & terrain

Where is Mairo Inya?

Mairo Inya sits at 0.0°N, 36.4°E, 2,294 m above sea level, in Kenya. The nearest listed city is Nyahururu, 5.0 km away.

RongaiNjoroNanyuki

Topography around Mairo Inya

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

Within 3 km, the terrain around Mairo Inya has only modest variations in elevation — a maximum elevation change of 183 m around an average of 2,345 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 646 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,011 m.

The land around Mairo Inya is covered by trees (27%), shrubs (25%) and cropland (24%) within 3 km, cropland (32%), grassland (25%) and trees (23%) within 16 km, and grassland (38%) and shrubs (22%) within 80 km.

3 km
183 m
16 km
646 m
80 km
3,011 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Nyahururu 5.0 km · Upper Gilgil 30 km · Ol Kalou 33 km · Nakuru 53 km · Gilgil 60 km · Rongai 65 km · Njoro 65 km · Nanyuki 74 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 Mairo Inya (0.0254°, 36.4087°, elevation 2,294 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).