Karusi weather in May

In May, Karusi sees average daytime highs of 25°C and overnight lows near 16°C, with 88 mm of rain across 13.2 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 8th-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 8% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Karusi's 5th-clearest and 5th-windiest month. For the whole year in context, see Karusi's year-round climate.

Daytime high
25°
11th warmest
Overnight low
16°
6th coldest
Rainfall
88 mm
13.2 wet days
Daylight
11 h 54 min
6:00 AM – 5:51 PM
Cloud cover
71%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.05 kWh/m²
Travel score
6.3
out of 10

Karusi is human settlement.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Karusi reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182516
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515
312515

Karusi weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21882
32080
42179
52278
62377
72377
82476
92575
102773
112773
122872
132971
143070
153268
163268
173268
183367
193367
203565
213565
223664
233862
243862
254060
264060
274159
284258
294357
304357
314357

Chance of precipitation in May

Any precipitation

Karusi gets around 88 mm of rain over 13.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 75% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
175
273
371
470
568
666
764
861
959
1056
1153
1251
1348
1445
1542
1640
1738
1835
1933
2031
2129
2227
2325
2423
2521
2620
2719
2817
2916
3015
3114

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
122573
222573
332671
432770
532869
632968
743165
843264
943462
1043660
1153956
1254154
1364450
1464647
1574944
1685141
1795338
18105535
19115732
20125929
21145927
22166024
23186022
24206020
25225919
26245917
27275716
28295615
29325414
30345313
31375013

Wind in May

Winds average 7 km/h in May.

Across May, 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
116calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:00 AM to 6:02 AM, and sunset from 5:53 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:005:53
211.96:005:53
311.96:005:53
411.96:005:53
511.96:005:53
611.96:005:52
711.96:005:52
811.96:005:52
911.96:005:52
1011.96:005:52
1111.96:005:52
1211.96:005:52
1311.96:005:52
1411.96:005:52
1511.96:005:51
1611.96:005:51
1711.96:005:51
1811.96:005:51
1911.96:005:51
2011.96:005:51
2111.96:005:51
2211.86:005:51
2311.86:005:51
2411.86:015:51
2511.86:015:51
2611.86:015:51
2711.86:015:51
2811.86:015:52
2911.86:015:52
3011.86:025:52
3111.86:025:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.05 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 — May's 5.05 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Karusi

In seasonPeak

None of Karusi's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 May a good time to visit Karusi?

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

6.3
Sightseeing
5th-best month of the year
5.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Karusi for sightseeing.

What to pack for Karusi in May

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

In May, Karusi sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Karusi in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).