Masumbwe weather in May

In May, Masumbwe sees average daytime highs of 28°C and overnight lows near 19°C, with 31 mm of rain across 5.1 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 29% 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 Masumbwe's 5th-clearest and 5th-windiest month. For the whole year in context, see Masumbwe's year-round climate.

Daytime high
28°
6th warmest
Overnight low
19°
9th coldest
Rainfall
31 mm
5.1 wet days
Daylight
11 h 48 min
6:52 AM – 6:43 PM
Cloud cover
58%
5th clearest
Wind
9 km/h
5th windiest
Solar energy
5.67 kWh/m²
Travel score
6.5
out of 10

Masumbwe is city in Geita, 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 28°C through the month.

A typical May day in Masumbwe reaches about 28°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312918

Masumbwe weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°1171912.25.0
Feb28° / 18°8815.312.14.8
Mar28° / 19°13017.9124.8
Apr27° / 18°11716.611.95.2
May28° / 19°315.111.86.5
Jun29° / 18°20.411.86.7
Jul29° / 18°10.211.86.8
Aug30° / 19°71.211.96.1
Sep31° / 20°142.6125.3
Oct31° / 20°478.312.14.7
Nov28° / 19°13117.412.24.7
Dec27° / 18°13620.312.24.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
34060
44060
54159
64357
74357
84555
94555
104753
114852
124852
134951
145050
155149
165248
175347
185446
195446
205545
215644
225644
235743
245743
255842
265842
275941
286040
296040
306040
316139

Chance of precipitation in May

Any precipitation

Masumbwe gets around 31 mm of rain over 5.1 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 17% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
333
431
530
629
728
826
925
1023
1122
1220
1319
1417
1516
1615
1714
1812
1911
2010
219
228
238
247
256
265
275
284
294
304
314

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12205325
22215324
33225223
43235222
54245220
64265119
75275018
85294917
96314815
106334714
117354513
128374311
139404110
141042399
151145377
161247356
171349326
181451305
191652284
201853254
211955233
222156212
232356192
242555182
252755171
262955151
273253141
283452131
293650131
303949120
314147110

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:52 AM to 6:54 AM, and sunset from 6:45 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:526:45
211.96:526:44
311.96:526:44
411.96:526:44
511.96:526:44
611.96:526:44
711.96:526:44
811.96:526:43
911.96:526:43
1011.96:526:43
1111.86:526:43
1211.86:526:43
1311.86:526:43
1411.86:526:43
1511.86:526:43
1611.86:526:43
1711.86:536:43
1811.86:536:42
1911.86:536:42
2011.86:536:42
2111.86:536:42
2211.86:536:42
2311.86:536:42
2411.86:536:42
2511.86:536:42
2611.86:546:43
2711.86:546:43
2811.86:546:43
2911.86:546:43
3011.86:546:43
3111.86:546:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.67 kWh/m².

For context, solar energy here swings from a low near 5.41 kWh/m² to a high of 6.56 kWh/m² in September across the year — May's 5.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in May

Hazard calendar for Masumbwe

In seasonPeak

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

Masumbwe's rainy season runs November–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 Masumbwe?

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

6.5
Sightseeing
3rd-best month of the year
7.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Masumbwe for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Masumbwe in May

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

In May, Masumbwe sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Masumbwe 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 Masumbwe peaks around March 15 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 15UV 16Jun 18UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Masumbwe 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 Masumbwe is worst in January — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (May, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJan 2016 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar12Good
Apr10Good
May8Good
Jun9Good
Jul10Good
Aug11Good
Sep12Good
Oct10Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Masumbwe?

Masumbwe sits at 3.6°S, 32.2°E, 1,191 m above sea level, in Tanzania. The nearest listed city is Ushirombo, 29 km away.

BuseresereKatoroDiobahikaUyovuMhangoGeita

Topography around Masumbwe

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

Within 3 km, the terrain around Masumbwe has only modest variations in elevation — a maximum elevation change of 61 m around an average of 1,184 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 389 m; within 80 km, significant variations in elevation — a maximum elevation change of 433 m.

The land around Masumbwe is covered by cropland (68%) within 3 km, cropland (60%) within 16 km, and cropland (56%) and trees (26%) within 80 km.

3 km
61 m
16 km
389 m
80 km
433 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Ushirombo 29 km · Kahama 51 km · Buseresere 73 km · Katoro 76 km · Diobahika 80 km · Uyovu 83 km · Mhango 84 km · Geita 85 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 Masumbwe (-3.6333°, 32.1833°, elevation 1,191 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).