Butiama weather in May

In May, Butiama sees average daytime highs of 27°C and overnight lows near 18°C, with 108 mm of rain across 15.5 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Butiama's 6th-clearest and 10th-windiest month. For the whole year in context, see Butiama's year-round climate.

Daytime high
27°
8th warmest
Overnight low
18°
8th coldest
Rainfall
108 mm
15.5 wet days
Daylight
11 h 54 min
6:43 AM – 6:38 PM
Cloud cover
66%
6th clearest
Wind
6 km/h
10th windiest
Solar energy
5.59 kWh/m²
Travel score
5.6
out of 10

Butiama is town in Mara, 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 27°C through the month.

A typical May day in Butiama reaches about 27°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718
312718

Butiama weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°16621.212.14.8
Feb28° / 18°1341812.14.9
Mar28° / 18°18121124.7
Apr27° / 18°20622.2124.4
May27° / 18°10815.511.95.6
Jun27° / 18°437.911.96.6
Jul28° / 17°234.311.96.9
Aug28° / 18°49811.96.0
Sep29° / 18°6410.4125.4
Oct28° / 18°11916.4124.8
Nov27° / 18°20522.112.14.5
Dec27° / 18°21123.212.14.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22476
32575
42674
52773
62872
73070
83070
93367
103466
113565
123664
133862
143961
154060
164258
174456
184456
194555
204654
214852
224951
235050
245149
255248
265446
275545
285644
295743
305743
315842

Chance of precipitation in May

Any precipitation

Butiama gets around 108 mm of rain over 15.5 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 50% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
172
272
371
470
569
668
767
865
963
1061
1159
1257
1355
1452
1550
1648
1746
1844
1942
2040
2138
2237
2336
2435
2534
2633
2733
2833
2933
3033
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1024949
2025048
3035047
4035146
5035245
6035344
7045343
8045442
9055540
10055639
11065737
12075835
13085933
14096031
150106129
160116227
170126226
180146224
190156322
200166321
211176319
221196218
231206217
241226116
251236115
262245915
272255914
282265814
292275714
303285514
313295414

Wind in May

Winds average 6 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
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
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 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:43 AM to 6:44 AM, and sunset from 6:40 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:436:40
211.96:436:39
311.96:436:39
411.96:436:39
511.96:436:39
611.96:436:39
711.96:436:39
811.96:436:39
911.96:436:38
1011.96:436:38
1111.96:436:38
1211.96:436:38
1311.96:436:38
1411.96:436:38
1511.96:436:38
1611.96:436:38
1711.96:436:38
1811.96:436:38
1911.96:436:38
2011.96:436:38
2111.96:436:38
2211.96:436:38
2311.96:436:38
2411.96:436:38
2511.96:446:38
2611.96:446:38
2711.96:446:38
2811.96:446:38
2911.96:446:38
3011.96:446:39
3111.96:446:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.59 kWh/m².

For context, solar energy here swings from a low near 5.46 kWh/m² to a high of 6.34 kWh/m² in February across the year — May's 5.59 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
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Butiama?

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

5.6
Sightseeing
4th-best month of the year
5.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Butiama for sightseeing.

What to pack for Butiama in May

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

In May, Butiama sees daytime highs around 27°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Butiama 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 Butiama peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 17UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Butiama 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 Butiama is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1521 µg/m³Apr 1510 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar12Good
Apr10Good
May12Good
Jun19Moderate
Jul21Moderate
Aug18Moderate
Sep16Moderate
Oct12Good
Nov10Good
Dec12Good
Location & terrain

Where is Butiama?

Butiama sits at 1.8°S, 34.0°E, 1,500 m above sea level, in Tanzania. The nearest listed city is Nyamuswa, 16 km away.

MatongoShiratiKibaraSirari

Topography around Butiama

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

Within 3 km, the terrain around Butiama has only modest variations in elevation — a maximum elevation change of 241 m around an average of 1,459 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 545 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Butiama is covered by shrubs (33%), cropland (30%) and grassland (29%) within 3 km, cropland (51%) and shrubs (30%) within 16 km, and cropland (29%), grassland (28%) and water (26%) within 80 km.

3 km
241 m
16 km
545 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Nyamuswa 16 km · Bunda 30 km · Musoma 35 km · Tarime 64 km · Matongo 70 km · Shirati 70 km · Kibara 72 km · Sirari 80 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 Butiama (-1.7667°, 33.9667°, elevation 1,500 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).