Katumba weather in May

In May, Katumba sees average daytime highs of 21°C and overnight lows near 13°C, with 44 mm of rain across 11.6 wet days and about 11.6 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 30 min by month's end. Set against the rest of the year, May is Katumba's 6th-clearest and 5th-windiest month. For the whole year in context, see Katumba's year-round climate.

Daytime high
21°
10th warmest
Overnight low
13°
5th coldest
Rainfall
44 mm
11.6 wet days
Daylight
11 h 36 min
6:54 AM – 6:29 PM
Cloud cover
61%
6th clearest
Wind
8 km/h
5th windiest
Solar energy
4.9 kWh/m²
Travel score
6.2
out of 10

Katumba is ward of Tanzania.

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 21°C through the month.

A typical May day in Katumba reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42114
52114
62114
72114
82113
92113
102113
112113
122113
132113
142113
152113
162113
172113
182113
192113
202113
212113
222113
232013
242012
252012
262012
272012
282012
292012
302012
312012

Katumba weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°45629.412.53.7
Feb24° / 16°36625.712.33.8
Mar23° / 16°36229.112.13.7
Apr22° / 15°18624.511.84.2
May21° / 13°4411.611.66.2
Jun19° / 10°93.311.57.2
Jul19° / 10°103.411.57.2
Aug21° / 11°82.411.78.0
Sep24° / 13°11311.98.4
Oct25° / 15°481012.27.0
Nov25° / 16°17918.712.45.4
Dec24° / 16°4002712.54.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23466
33664
43664
53763
63961
74060
84258
94258
104258
114456
124555
134555
144654
154654
164654
174654
184753
194753
204753
214951
225050
235050
245149
255248
265347
275446
285446
295644
305743
315743

Chance of precipitation in May

Any precipitation

Katumba gets around 44 mm of rain over 11.6 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 37% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
257
356
454
552
651
749
847
945
1044
1142
1240
1339
1438
1537
1636
1735
1833
1932
2031
2130
2229
2328
2427
2526
2625
2725
2824
2923
3022
3121

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
176726
286824
396922
4106921
5117019
6127117
7147016
8157114
9167113
10177112
11187210
1219729
1320728
1421727
1522726
1623725
1723725
1824724
1924724
2025723
2126713
2227703
2328693
2429692
2530682
2632662
2735632
2837621
2940591
3044551
3147521

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 6:52 AM to 6:58 AM, and sunset from 6:33 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:526:33
211.76:526:33
311.76:536:32
411.76:536:32
511.66:536:32
611.66:536:31
711.66:536:31
811.66:536:31
911.66:536:31
1011.66:536:30
1111.66:546:30
1211.66:546:30
1311.66:546:30
1411.66:546:30
1511.66:546:29
1611.66:546:29
1711.66:556:29
1811.66:556:29
1911.66:556:29
2011.66:556:29
2111.66:556:28
2211.56:566:28
2311.56:566:28
2411.56:566:28
2511.56:566:28
2611.56:576:28
2711.56:576:28
2811.56:576:28
2911.56:576:28
3011.56:586:28
3111.56:586:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.9 kWh/m².

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 6.95 kWh/m² in October across the year — May's 4.9 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Katumba

In seasonPeak

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

Katumba's monsoon runs December–March, when most of the year's rain falls.

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

Is May a good time to visit Katumba?

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

6.2
Sightseeing
6th-best month of the year
3.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Katumba for sightseeing.

What to pack for Katumba in May

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

In May, Katumba sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Katumba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Katumba peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jun 16UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Katumba 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 Katumba is worst in October — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1219 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar11Good
Apr9Good
May7Good
Jun8Good
Jul11Good
Aug15Moderate
Sep18Moderate
Oct19Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Katumba?

Katumba sits at 9.2°S, 33.6°E, 1,387 m above sea level, in Tanzania. The nearest listed city is Tukuyu, 4.0 km away.

Topography around Katumba

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

Within 3 km, the terrain around Katumba has only modest variations in elevation — a maximum elevation change of 237 m around an average of 1,378 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,473 m.

The land around Katumba is covered by trees (77%) within 3 km, trees (68%) and shrubs (23%) within 16 km, and trees (36%), cropland (27%) and shrubs (24%) within 80 km.

3 km
237 m
16 km
2,150 m
80 km
2,473 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Tukuyu 4.0 km · Kiwira 11 km · Mbeya 41 km · Ipinda 42 km · Kyela 47 km · Utengule 48 km · Igurusi 50 km · Chimala 61 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 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 Katumba (-9.2333°, 33.6167°, elevation 1,387 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).