Rongo weather in December

In December, Rongo sees average daytime highs of 27°C and overnight lows near 17°C, with 164 mm of rain across 21.5 wet days and about 12 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 18% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of December to 12 hours by month's end. Set against the rest of the year, December is Rongo's 7th-clearest and 9th-windiest month. For the whole year in context, see Rongo's year-round climate.

Daytime high
27°
9th warmest
Overnight low
17°
3rd coldest
Rainfall
164 mm
21.5 wet days
Daylight
12 hours
6:36 AM – 6:39 PM
Cloud cover
66%
7th clearest
Wind
5 km/h
9th windiest
Solar energy
5.94 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Rongo reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°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)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Rongo weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°10615.7125.5
Feb29° / 17°7512.1125.2
Mar28° / 17°15318.7124.7
Apr27° / 17°22323.7124.2
May27° / 17°15120125.0
Jun27° / 17°5411.1126.2
Jul27° / 16°358126.7
Aug27° / 17°5710.9126.2
Sep28° / 17°7413.8125.4
Oct28° / 17°14319.1124.7
Nov27° / 17°21324.1124.2
Dec27° / 17°16421.5124.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22872
32971
42971
53070
63070
73169
83268
93466
103664
113664
123961
133961
144060
154159
164258
174258
184357
194456
204456
214456
224555
234654
244654
254654
264654
274654
284654
294654
304654
314654

Chance of precipitation in December

Any precipitation

Rongo gets around 164 mm of rain over 21.5 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 69% 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
279
379
479
579
678
778
878
977
1077
1176
1275
1374
1473
1571
1670
1769
1868
1967
2066
2164
2263
2362
2461
2559
2658
2758
2857
2956
3055
3155

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1013852
2013852
3013843
4013843
5013843
6013843
7013843
8013843
9013843
10113833
11114832
12114832
13114832
14115822
15115822
16116812
17116821
18116821
19117811
20117811
21217801
22218791
23218791
24219781
25219781
26219781
27220771
28220762
29220762
30220762
31220762

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:30 AM to 6:43 AM, and sunset from 6:33 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:306:33
212.06:316:33
312.06:316:33
412.06:316:34
512.06:326:34
612.06:326:35
712.06:326:35
812.06:336:35
912.06:336:36
1012.06:346:36
1112.06:346:37
1212.06:356:37
1312.06:356:38
1412.06:366:38
1512.06:366:39
1612.06:366:39
1712.06:376:40
1812.06:376:40
1912.06:386:40
2012.06:386:41
2112.06:396:41
2212.06:396:42
2312.06:406:42
2412.06:406:43
2512.06:416:43
2612.06:416:44
2712.06:426:44
2812.06:426:45
2912.06:436:45
3012.06:436:46
3112.06:436:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.94 kWh/m².

For context, solar energy here swings from a low near 5.5 kWh/m² to a high of 6.62 kWh/m² in February across the year — December's 5.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in December

Is December a good time to visit Rongo?

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

4.8
Sightseeing
8th-best month of the year
4.9
Beach & pool
10th-best month of the year

December is a reasonable time to visit Rongo for sightseeing.

What to pack for Rongo in December

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

In December, Rongo sees daytime highs around 27°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Rongo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Rongo peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Rongo 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 Rongo is worst in June — around 60 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorJun 2360 µg/m³Mar 1344 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb45Poor
Mar44Poor
Apr47Poor
May52Poor
Jun60Unhealthy
Jul60Unhealthy
Aug54Poor
Sep50Poor
Oct49Poor
Nov51Poor
Dec50Poor
Location & terrain

Where is Rongo?

Rongo sits at 0.8°S, 34.6°E, 1,474 m above sea level, in Kenya. The nearest listed city is Ogembo, 15 km away.

Topography around Rongo

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

Within 3 km, the terrain around Rongo has only modest variations in elevation — a maximum elevation change of 148 m around an average of 1,446 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 694 m; within 80 km, large variations in elevation — a maximum elevation change of 1,108 m.

The land around Rongo is covered by trees (50%) and shrubs (25%) within 3 km, trees (40%) and shrubs (31%) within 16 km, and grassland (26%), trees (22%) and shrubs (21%) within 80 km.

3 km
148 m
16 km
694 m
80 km
1,108 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Ogembo 15 km · Thomas Magena home 17 km · Awendo 18 km · Kisii 21 km · Homa Bay 30 km · Oyugis 31 km · Awendo 36 km · Migori 37 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 Rongo (-0.7568°, 34.5983°, elevation 1,474 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).