Biharamulo weather in May

In May, Biharamulo sees average daytime highs of 27°C and overnight lows near 18°C, with 57 mm of rain across 9.7 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 18% 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 Biharamulo's 5th-clearest and 5th-windiest month. For the whole year in context, see Biharamulo's year-round climate.

Daytime high
27°
8th warmest
Overnight low
18°
12th coldest
Rainfall
57 mm
9.7 wet days
Daylight
11 h 54 min
6:55 AM – 6:47 PM
Cloud cover
67%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.35 kWh/m²
Travel score
6.5
out of 10

Biharamulo is town in Kagera Region, 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 Biharamulo 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 28°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)
12618
22618
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132718
142718
152718
162718
172718
182718
192718
202718
212718
222718
232717
242717
252717
262717
272717
282717
292717
302717
312717

Biharamulo 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° / 17°10918.812.15.1
Feb27° / 17°7514.512.15.4
Mar27° / 18°11618.4125.1
Apr26° / 18°1472111.94.7
May27° / 18°579.711.96.5
Jun27° / 17°81.411.97.5
Jul28° / 17°40.711.97.4
Aug28° / 17°224.211.96.4
Sep28° / 18°459.3125.8
Oct27° / 18°10417.312.15.2
Nov26° / 17°1642412.14.3
Dec26° / 17°14321.912.14.7

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 21% of May, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22575
32674
42773
52872
62872
73070
83070
93169
103367
113466
123664
133763
143862
153961
164159
174159
184258
194357
204357
214456
224654
234654
244753
254951
265050
275050
285050
295149
305149
315149

Chance of precipitation in May

Any precipitation

Biharamulo gets around 57 mm of rain over 9.7 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 31% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
257
355
453
552
650
748
846
944
1042
1140
1238
1335
1433
1531
1629
1727
1826
1924
2022
2121
2219
2318
2417
2515
2614
2713
2812
2911
3011
3110

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1012826
2012826
3013816
4014815
5015805
6017785
7018775
8020764
9022744
10024724
11026704
12129673
13132643
14134623
15137593
16239563
17242533
18344512
19345492
20447472
21548452
22650431
23751411
24852391
251052371
261153360
271353340
281552330
291652320
301852300
312051290

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
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
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 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 6:55 AM to 6:56 AM, and sunset from 6:49 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:556:49
211.96:556:49
311.96:556:49
411.96:556:49
511.96:546:49
611.96:546:48
711.96:546:48
811.96:546:48
911.96:546:48
1011.96:546:48
1111.96:546:48
1211.96:546:48
1311.96:546:48
1411.96:546:48
1511.96:556:47
1611.96:556:47
1711.96:556:47
1811.96:556:47
1911.96:556:47
2011.96:556:47
2111.96:556:47
2211.96:556:47
2311.96:556:47
2411.96:556:47
2511.96:556:47
2611.96:566:48
2711.96:566:48
2811.96:566:48
2911.96:566:48
3011.96:566:48
3111.96:566:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.35 kWh/m².

For context, solar energy here swings from a low near 5.19 kWh/m² to a high of 5.97 kWh/m² in February across the year — May's 5.35 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Biharamulo

In seasonPeak

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

Biharamulo'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 Biharamulo?

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
6.4
Beach & pool
5th-best month of the year

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

What to pack for Biharamulo in May

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

In May, Biharamulo sees daytime highs around 27°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Biharamulo 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 Biharamulo peaks around March 14 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 14UV 16Jun 19UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Biharamulo 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 Biharamulo is worst in July — around 22 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (April, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1422 µg/m³Apr 2113 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb20Moderate
Mar16Moderate
Apr13Moderate
May13Moderate
Jun21Moderate
Jul22Moderate
Aug20Moderate
Sep17Moderate
Oct14Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Biharamulo?

Biharamulo sits at 2.6°S, 31.3°E, 1,479 m above sea level, in Tanzania. The nearest listed city is Chato, 51 km away.

NgaraRulengeUyovuMhalambaBuseresereKatoroKakonko

Topography around Biharamulo

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

Within 3 km, the terrain around Biharamulo has only modest variations in elevation — a maximum elevation change of 192 m around an average of 1,461 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 473 m; within 80 km, large variations in elevation — a maximum elevation change of 775 m.

The land around Biharamulo is covered by shrubs (31%) and grassland (27%) within 3 km, shrubs (36%), grassland (23%) and cropland (22%) within 16 km, and grassland (29%) and cropland (28%) within 80 km.

3 km
192 m
16 km
473 m
80 km
775 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Chato 51 km · Ngara 74 km · Rulenge 76 km · Uyovu 76 km · Mhalamba 78 km · Buseresere 79 km · Katoro 80 km · Kakonko 82 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 Biharamulo (-2.6319°, 31.3089°, elevation 1,479 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).