Mwala weather in December

In December, Mwala sees average daytime highs of 26°C and overnight lows near 17°C, with 80 mm of rain across 17.6 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 3rd-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 27% of the time in December, and the air most often feels humid.

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 Mwala's 4th-clearest and 11th-windiest month. For the whole year in context, see Mwala's year-round climate.

Daytime high
26°
7th warmest
Overnight low
17°
6th coldest
Rainfall
80 mm
17.6 wet days
Daylight
12 h 06 min
6:24 AM – 6:29 PM
Cloud cover
56%
4th clearest
Wind
7 km/h
11th windiest
Solar energy
5.62 kWh/m²
Travel score
5.6
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 Mwala reaches about 26°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12518
22518
32518
42518
52618
62618
72618
82618
92618
102618
112618
122618
132618
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252617
262617
272617
282617
292617
302617
312617

Mwala weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°409.312.16.8
Feb29° / 18°246.4126.1
Mar28° / 19°7014.3125.4
Apr27° / 19°10920.5124.9
May26° / 18°4010.511.96.6
Jun25° / 16°61.511.97.7
Jul24° / 15°20.411.97.9
Aug25° / 16°30.8127.8
Sep27° / 16°30.7127.8
Oct28° / 18°338126.7
Nov26° / 18°15522.212.14.8
Dec26° / 17°8017.612.15.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 32% of December, 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 (%)
14654
24852
34852
45050
55149
65149
75347
85446
95545
105644
115743
125842
135842
145941
156040
166040
176139
186139
196238
206238
216337
226337
236337
246337
256337
266337
276436
286436
296436
306436
316436

Chance of precipitation in December

Any precipitation

Mwala gets around 80 mm of rain over 17.6 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 57% and peaks near 79% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
179
278
377
477
575
674
772
871
969
1067
1165
1263
1361
1459
1557
1655
1753
1852
1950
2049
2148
2246
2345
2444
2543
2642
2742
2841
2940
3039
3139

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
105905
206886
306886
406886
507876
608866
709856
8110836
9111826
10112816
11113806
12114796
13115795
14116785
15117775
16218755
17218764
18219754
19220744
20321724
21321724
22322714
23323704
24424684
25424684
26425674
27526654
28527644
29528634
30529624
31630604

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:18 AM to 6:31 AM, and sunset from 6:22 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:186:22
212.16:186:23
312.16:186:23
412.16:196:23
512.16:196:24
612.16:206:24
712.16:206:25
812.16:206:25
912.16:216:25
1012.16:216:26
1112.16:226:26
1212.16:226:27
1312.16:236:27
1412.16:236:28
1512.16:246:28
1612.16:246:29
1712.16:246:29
1812.16:256:30
1912.16:256:30
2012.16:266:31
2112.16:266:31
2212.16:276:31
2312.16:276:32
2412.16:286:32
2512.16:286:33
2612.16:296:33
2712.16:296:34
2812.16:306:34
2912.16:306:35
3012.16:316:35
3112.16:316:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.17 kWh/m² to a high of 6.71 kWh/m² in February across the year — December's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in December

Hazard calendar for Mwala

In seasonPeak

In December, Mwala sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Mwala's rainy season runs April–April, 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 Mwala?

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

5.6
Sightseeing
9th-best month of the year
5.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Mwala for sightseeing.

What to pack for Mwala in December

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

In December, Mwala sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

UV index in Mwala 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 Mwala peaks around March 16 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 16UV 16Jun 17UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Mwala 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 Mwala is worst in December — around 29 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 2129 µg/m³Oct 913 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb24Moderate
Mar23Moderate
Apr25Moderate
May23Moderate
Jun25Moderate
Jul22Moderate
Aug17Moderate
Sep13Moderate
Oct13Moderate
Nov22Moderate
Dec29Moderate
Location & terrain

Where is Mwala?

Mwala sits at 1.4°S, 37.5°E, 1,256 m above sea level, in Kenya. The nearest listed city is Machakos, 28 km away.

Topography around Mwala

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

Within 3 km, the terrain around Mwala has only modest variations in elevation — a maximum elevation change of 140 m around an average of 1,247 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 806 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,520 m.

The land around Mwala is covered by cropland (50%) and shrubs (27%) within 3 km, shrubs (41%) and cropland (34%) within 16 km, and shrubs (42%), grassland (25%) and cropland (20%) within 80 km.

3 km
140 m
16 km
806 m
80 km
1,520 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Machakos 28 km · Kinoi 35 km · Wote 51 km · Githunguri 52 km · Makueni Boma 54 km · Athi River 54 km · Thika 56 km · Juja 56 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 Mwala (-1.3525°, 37.4548°, elevation 1,256 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).