Juja weather in December

In December, Juja sees average daytime highs of 24°C and overnight lows near 14°C, with 72 mm of rain across 15.6 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 32% 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 Juja's 4th-clearest and 4th-windiest month. For the whole year in context, see Juja's year-round climate.

Daytime high
24°
7th warmest
Overnight low
14°
6th coldest
Rainfall
72 mm
15.6 wet days
Daylight
12 h 06 min
6:26 AM – 6:30 PM
Cloud cover
54%
4th clearest
Wind
8 km/h
4th windiest
Solar energy
5.81 kWh/m²
Travel score
6.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Juja reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°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)
12315
22315
32315
42315
52315
62315
72314
82314
92314
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

Juja weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°418.312.17.3
Feb27° / 14°315.8127.2
Mar26° / 15°7514.1126.1
Apr25° / 16°17925124.5
May23° / 15°13620.6125.2
Jun22° / 14°5310.911.96.1
Jul22° / 13°26711.96.5
Aug22° / 13°328.9126.4
Sep24° / 13°236.2127.3
Oct25° / 15°8514.4126.2
Nov23° / 15°16123.8124.7
Dec24° / 14°7215.612.16.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 27% 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 (%)
14654
24753
34852
44951
55149
65248
75446
85545
95644
105743
115941
126040
136040
146139
156238
166238
176238
186337
196337
206337
216337
226337
236337
246337
256436
266436
276436
286436
296337
306337
316337

Chance of precipitation in December

Any precipitation

Juja gets around 72 mm of rain over 15.6 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 51% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
372
470
568
666
764
862
960
1057
1155
1253
1352
1450
1548
1647
1746
1845
1944
2043
2142
2241
2340
2440
2539
2638
2738
2837
2936
3036
3135

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
126533
236433
336532
436631
546531
656530
756629
866628
976528
1086527
1196526
12106525
13116524
14126424
15126523
16136522
17146521
18146521
19156520
20166519
21166519
22176518
23186418
24186418
25196417
26206317
27216217
28216217
29226117
30236017
31236017

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:20 AM to 6:33 AM, and sunset from 6:23 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:206:23
212.16:206:24
312.16:216:24
412.16:216:25
512.16:216:25
612.16:226:26
712.16:226:26
812.16:236:26
912.16:236:27
1012.16:246:27
1112.16:246:28
1212.16:246:28
1312.16:256:29
1412.16:256:29
1512.16:266:30
1612.16:266:30
1712.16:276:30
1812.16:276:31
1912.16:286:31
2012.16:286:32
2112.16:296:32
2212.16:296:33
2312.16:296:33
2412.16:306:34
2512.16:306:34
2612.16:316:35
2712.16:316:35
2812.16:326:36
2912.16:326:36
3012.16:336:37
3112.16:336:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.81 kWh/m².

For context, solar energy here swings from a low near 3.97 kWh/m² to a high of 6.79 kWh/m² in February across the year — December's 5.81 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Is December a good time to visit Juja?

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

6.2
Sightseeing
6th-best month of the year
5.1
Beach & pool
6th-best month of the year

December is a reasonable time to visit Juja for sightseeing.

What to pack for Juja in December

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

In December, Juja sees daytime highs around 24°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Juja 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 Juja peaks around March 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 17UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Juja 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 Juja is worst in June — around 65 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJun 1864 µg/m³Sep 2348 µg/m³
PM2.5 (µg/m³)Level
Jan62Unhealthy
Feb59Unhealthy
Mar56Unhealthy
Apr56Unhealthy
May57Unhealthy
Jun65Unhealthy
Jul60Unhealthy
Aug51Poor
Sep48Poor
Oct48Poor
Nov60Unhealthy
Dec64Unhealthy
Location & terrain

Where is Juja?

Juja sits at 1.1°S, 37.0°E, 1,521 m above sea level, in Kenya. The nearest listed city is Ruiru, 8.0 km away.

Topography around Juja

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

Within 3 km, the terrain around Juja has only modest variations in elevation — a maximum elevation change of 76 m around an average of 1,516 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 283 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,861 m.

The land around Juja is covered by grassland (28%) and artificial surfaces (24%) within 3 km, grassland (28%), shrubs (21%) and cropland (21%) within 16 km, and grassland (31%), shrubs (29%) and trees (21%) within 80 km.

3 km
76 m
16 km
283 m
80 km
2,861 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ruiru 8.0 km · Thika 10 km · Kiambu 21 km · Kenol 22 km · Githunguri 22 km · Githunguri 27 km · Pumwani 27 km · Imara Daima Estate 29 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 Juja (-1.1015°, 37.0132°, elevation 1,521 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).