Kiserian weather in December

In December, Kiserian sees average daytime highs of 26°C and overnight lows near 16°C, with 45 mm of rain across 9.4 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 5th-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 31% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Kiserian's 4th-clearest and 3rd-windiest month. For the whole year in context, see Kiserian's year-round climate.

Daytime high
26°
6th warmest
Overnight low
16°
7th coldest
Rainfall
45 mm
9.4 wet days
Daylight
12 h 06 min
6:27 AM – 6:32 PM
Cloud cover
55%
4th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.8 kWh/m²
Travel score
6.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Kiserian reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102516
112516
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

Kiserian weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°315.612.17.3
Feb28° / 16°234.4126.9
Mar28° / 17°499.4126.3
Apr26° / 17°10016.1125.6
May25° / 16°8214.711.96.1
Jun24° / 15°346.411.97.0
Jul23° / 14°112.611.97.4
Aug24° / 14°153.1127.5
Sep26° / 14°122.2127.7
Oct26° / 16°316.9127.0
Nov25° / 16°7515.812.15.8
Dec26° / 16°459.412.16.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 28% of December, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45149
55248
65347
75446
85644
95743
105842
115941
125941
136040
146139
156139
166139
176139
186238
196238
206238
216238
226238
236238
246139
256139
266238
276238
286238
296337
306238
316238

Chance of precipitation in December

Any precipitation

Kiserian gets around 45 mm of rain over 9.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
247
346
444
542
641
739
837
936
1034
1133
1231
1330
1429
1528
1627
1726
1826
1925
2025
2125
2224
2324
2424
2524
2623
2723
2822
2922
3022
3121

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
147125
257124
357223
467123
577122
687022
797021
8107020
9116920
10136819
11146818
12156718
13166717
14186616
15196516
16206416
17216415
18226315
19236215
20246115
21256015
22256015
23265915
24275815
25285715
26295516
27305416
28315316
29315316
30325117
31335017

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:21 AM to 6:34 AM, and sunset from 6:25 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:216:25
212.16:216:26
312.16:216:26
412.16:226:27
512.16:226:27
612.16:236:27
712.16:236:28
812.16:236:28
912.16:246:29
1012.16:246:29
1112.16:256:30
1212.16:256:30
1312.16:266:30
1412.16:266:31
1512.16:266:31
1612.16:276:32
1712.16:276:32
1812.16:286:33
1912.16:286:33
2012.16:296:34
2112.16:296:34
2212.16:306:35
2312.16:306:35
2412.16:316:36
2512.16:316:36
2612.16:326:37
2712.16:326:37
2812.16:336:37
2912.16:336:38
3012.16:346:38
3112.16:346:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.8 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.77 kWh/m² in February across the year — December's 5.8 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Kiserian

In seasonPeak

None of Kiserian's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Kiserian's rainy season runs March–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Kiserian?

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

6.9
Sightseeing
7th-best month of the year
6.5
Beach & pool
6th-best month of the year

December is a reasonable time to visit Kiserian for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kiserian in December

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

In December, Kiserian sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Kiserian in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kiserian peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec13Extreme

Air quality in Kiserian in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Kiserian 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 Kiserian?

Kiserian sits at 1.4°S, 36.7°E, 1,840 m above sea level, in Kenya. The nearest listed city is Ngong, 9.0 km away.

Topography around Kiserian

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

Within 3 km, the terrain around Kiserian has significant variations in elevation — a maximum elevation change of 309 m around an average of 1,870 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 994 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,418 m.

The land around Kiserian is covered by trees (30%), shrubs (25%) and grassland (20%) within 3 km, grassland (45%) and shrubs (29%) within 16 km, and grassland (40%) and shrubs (36%) within 80 km.

3 km
309 m
16 km
994 m
80 km
2,418 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Ngong 9.0 km · Lang'ata 9.0 km · Ongata Rongai 9.0 km · Kikuyu 20 km · Nairobi 22 km · Pumwani 24 km · Imara Daima Estate 24 km · Mlolongo 28 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 Kiserian (-1.4275°, 36.6865°, elevation 1,840 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).