Karusi weather in January

In January, Karusi sees average daytime highs of 25°C and overnight lows near 16°C, with 201 mm of rain across 23.3 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Karusi's 8th-clearest and 10th-windiest month. For the whole year in context, see Karusi's year-round climate.

Daytime high
25°
6th warmest
Overnight low
16°
6th coldest
Rainfall
201 mm
23.3 wet days
Daylight
12 h 12 min
6:04 AM – 6:13 PM
Cloud cover
78%
8th clearest
Wind
5 km/h
10th windiest
Solar energy
5.7 kWh/m²
Travel score
4.6
out of 10

Karusi is human settlement.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical January day in Karusi reaches about 25°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 27°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102516
112516
122516
132516
142516
152516
162516
172516
182516
192516
202516
212516
222516
232516
242516
252516
262516
272516
282616
292616
302616
312616

Karusi weather by month

How January compares with the rest of the year at a glance. January 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
Jan25° / 16°20123.312.24.6
Feb26° / 16°17821.412.14.5
Mar25° / 16°21726.3124.2
Apr24° / 16°21025.311.94.2
May25° / 16°8813.211.96.3
Jun25° / 15°9211.87.8
Jul26° / 15°30.711.88.0
Aug27° / 16°172.511.97.4
Sep27° / 17°527.2126.6
Oct26° / 16°16117.912.15.3
Nov25° / 16°24725.812.14.1
Dec25° / 15°24225.912.24.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61783
71783
81783
91783
101783
111783
121684
131684
141684
151684
161684
171783
181783
191783
201783
211783
221981
231981
241981
252080
262179
272278
282278
292278
302476
312476

Chance of precipitation in January

Any precipitation

Karusi gets around 201 mm of rain over 23.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 80% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
380
480
580
680
780
879
979
1079
1179
1278
1378
1478
1577
1677
1776
1876
1975
2074
2174
2273
2372
2472
2571
2671
2771
2871
2970
3070
3170

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1021790
2021790
3020800
4020800
5020800
6020800
7021790
8021790
9022780
10023770
11023770
12024760
13025750
14026740
15026740
16027721
17028711
18029701
19129691
20130681
21131671
22131671
23132661
24132661
25132661
26132661
27132661
28132661
29132661
30232651
31232651

Wind in January

Winds average 5 km/h in January.

Across January, 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 January

DaylightNight

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

Days shrink by about 6 minutes over January. Sunrise moves from 5:57 AM to 6:09 AM, and sunset from 6:08 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:576:08
212.25:586:08
312.25:586:09
412.25:596:09
512.25:596:09
612.26:006:10
712.26:006:10
812.26:006:11
912.26:016:11
1012.26:016:11
1112.26:026:12
1212.26:026:12
1312.26:036:13
1412.26:036:13
1512.26:036:13
1612.26:046:13
1712.26:046:14
1812.26:056:14
1912.26:056:14
2012.26:056:15
2112.26:066:15
2212.26:066:15
2312.26:066:15
2412.16:076:16
2512.16:076:16
2612.16:076:16
2712.16:086:16
2812.16:086:16
2912.16:086:16
3012.16:086:17
3112.16:096:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.7 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 5.96 kWh/m² in February across the year — January's 5.7 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Karusi

In seasonPeak

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

Karusi's rainy season runs October–April, when most of the year's rain falls.

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

Is January a good time to visit Karusi?

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

4.6
Sightseeing
7th-best month of the year
4.2
Beach & pool
8th-best month of the year

January is a reasonable time to visit Karusi for sightseeing.

What to pack for Karusi in January

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

In January, Karusi sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Karusi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Karusi peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 19UV 10
UV index (midday)Level
Jan11Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Karusi in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Karusi is worst in August — around 68 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyUnhealthyAug 1968 µg/m³Apr 1551 µg/m³
PM2.5 (µg/m³)Level
Jan60Unhealthy
Feb59Unhealthy
Mar55Poor
Apr51Poor
May55Unhealthy
Jun65Unhealthy
Jul64Unhealthy
Aug68Unhealthy
Sep66Unhealthy
Oct57Unhealthy
Nov55Poor
Dec57Unhealthy
Location & terrain

Where is Karusi?

Karusi sits at 3.1°S, 30.2°E, 1,627 m above sea level, in Burundi. The nearest listed city is Zanandore, 18 km away.

ZanandoreNgoziGitegaBugaramaCendajuruKirundoKabangaKayanza

Topography around Karusi

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

Within 3 km, the terrain around Karusi has only modest variations in elevation — a maximum elevation change of 181 m around an average of 1,552 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 525 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.

The land around Karusi is covered by cropland (30%), trees (29%) and grassland (26%) within 3 km, cropland (36%), grassland (29%) and trees (23%) within 16 km, and grassland (34%) and cropland (34%) within 80 km.

3 km
181 m
16 km
525 m
80 km
1,689 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Zanandore 18 km · Ngozi 43 km · Gitega 45 km · Bugarama 48 km · Cendajuru 53 km · Kirundo 58 km · Kabanga 62 km · Kayanza 63 km

Burundi travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$234
2025
Happiness
3.8 / 10
World Happiness, 2020
Homicide rate
5.6
per 100k, 2016
Road deaths
35.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Christian 94%Muslim 3%other 1%none 1%

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 Karusi (-3.1014°, 30.1628°, elevation 1,627 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).