Kayonza weather in December

In December, Kayonza sees average daytime highs of 26°C and overnight lows near 18°C, with 72 mm of rain across 16.6 wet days and about 12.1 hours of daylight. It is the 10th-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 7% 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 Kayonza's 8th-clearest and 12th-windiest month. For the whole year in context, see Kayonza's year-round climate.

Daytime high
26°
10th warmest
Overnight low
18°
4th coldest
Rainfall
72 mm
16.6 wet days
Daylight
12 h 06 min
5:51 AM – 5:57 PM
Cloud cover
74%
8th clearest
Wind
5 km/h
12th windiest
Solar energy
5.36 kWh/m²
Travel score
5.5
out of 10

Kayonza is Town in Rwanda.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Kayonza reaches about 26°C in the afternoon and slips back to 18°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
52518
62618
72618
82618
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312618

Kayonza weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°5813.312.15.8
Feb27° / 18°5412.412.15.7
Mar27° / 18°7716.9125.3
Apr26° / 18°10419.9124.8
May26° / 18°571211.96.2
Jun27° / 18°122.211.97.4
Jul28° / 18°30.811.97.5
Aug28° / 18°194.111.96.9
Sep28° / 18°4010.3126.2
Oct27° / 18°8216.4125.4
Nov26° / 18°9720.312.14.9
Dec26° / 18°7216.612.15.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
42080
52080
62080
72080
82179
92278
102377
112476
122575
132674
142773
152773
162872
172872
182773
192872
202872
212872
222872
232872
242971
252872
262872
272971
282872
292872
302773
312773

Chance of precipitation in December

Any precipitation

Kayonza gets around 72 mm of rain over 16.6 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 53% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
267
366
465
564
662
761
859
957
1056
1154
1252
1351
1450
1549
1649
1748
1848
1948
2048
2147
2247
2348
2448
2548
2648
2748
2848
2948
3048
3147

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
13961
23961
33961
44951
54951
65941
75941
86931
96931
107921
118911
128911
139901
149901
159901
1610891
1710891
1810891
1911881
2011881
2111881
2211881
2311881
2411881
2511881
2611872
2711872
2811872
2912862
3012853
3112853

Wind in December

Winds average 5 km/h in December, the calmest month.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 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
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:45 AM to 5:58 AM, and sunset from 5:51 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:455:51
212.15:455:51
312.15:455:52
412.15:465:52
512.15:465:52
612.15:465:53
712.15:475:53
812.15:475:54
912.15:485:54
1012.15:485:55
1112.15:485:55
1212.15:495:56
1312.15:495:56
1412.15:505:57
1512.15:505:57
1612.15:515:57
1712.15:515:58
1812.15:525:58
1912.15:525:59
2012.15:535:59
2112.15:536:00
2212.15:546:00
2312.15:546:01
2412.15:546:01
2512.15:556:02
2612.15:556:02
2712.15:566:03
2812.15:566:03
2912.15:576:04
3012.15:576:04
3112.15:586:04

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.36 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 5.85 kWh/m² in February across the year — December's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Is December a good time to visit Kayonza?

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

5.5
Sightseeing
8th-best month of the year
5.2
Beach & pool
10th-best month of the year

December is a reasonable time to visit Kayonza for sightseeing.

What to pack for Kayonza in December

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

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

rain gearlight clothessun protection

UV index in Kayonza in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kayonza peaks around March 13 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 13UV 16Jun 18UV 10
UV index (midday)Level
Jan12Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Kayonza 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 Kayonza is worst in June — around 56 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorJun 2256 µg/m³Apr 2237 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb48Poor
Mar43Poor
Apr37Poor
May38Poor
Jun56Unhealthy
Jul55Poor
Aug47Poor
Sep41Poor
Oct38Poor
Nov42Poor
Dec45Poor
Location & terrain

Where is Kayonza?

Kayonza sits at 2.0°S, 30.5°E, 1,605 m above sea level, in Rwanda. The nearest listed city is Rwamagana, 10 km away.

KibungoNderaNyamataKigaliKamuhanda / RuyenziShyorongiNgara

Topography around Kayonza

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

Within 3 km, the terrain around Kayonza has only modest variations in elevation — a maximum elevation change of 233 m around an average of 1,553 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 460 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,244 m.

The land around Kayonza is covered by cropland (44%) within 3 km, cropland (44%) and shrubs (20%) within 16 km, and cropland (30%) and grassland (29%) within 80 km.

3 km
233 m
16 km
460 m
80 km
1,244 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Rwamagana 10 km · Kibungo 23 km · Ndera 39 km · Nyamata 50 km · Kigali 51 km · Kamuhanda / Ruyenzi 60 km · Shyorongi 63 km · Ngara 64 km

Rwanda travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$1,124
2025
Happiness
3.3 / 10
World Happiness, 2021
Homicide rate
3.6
per 100k, 2020
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 417
Religion
Catholic 40%Pentecostal 21%Protestant 15%Adventist 12%

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 Kayonza (-1.9509°, 30.5205°, elevation 1,605 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).