Rulenge weather in May

In May, Rulenge sees average daytime highs of 26°C and overnight lows near 16°C, with 61 mm of rain across 10.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 15% 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 Rulenge's 5th-clearest and 5th-windiest month. For the whole year in context, see Rulenge's year-round climate.

Daytime high
26°
9th warmest
Overnight low
16°
9th coldest
Rainfall
61 mm
10.5 wet days
Daylight
11 h 54 min
6:57 AM – 6:50 PM
Cloud cover
69%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.19 kWh/m²
Travel score
6.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in Rulenge reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°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)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

Rulenge weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°1191912.15.1
Feb27° / 16°981712.15.1
Mar26° / 16°13421.2124.8
Apr26° / 16°15822.211.94.5
May26° / 16°6110.511.96.4
Jun27° / 16°71.311.87.6
Jul27° / 16°30.511.97.7
Aug28° / 17°193.211.96.8
Sep28° / 17°418.7126.0
Oct27° / 17°10816.312.15.4
Nov26° / 16°17223.412.14.4
Dec26° / 16°15021.912.24.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32278
42278
52476
62476
72575
82674
92773
102872
112971
123070
133169
143268
153367
163367
173664
183664
193763
203862
213961
224060
234159
244357
254357
264555
274654
284753
294753
304753
314852

Chance of precipitation in May

Any precipitation

Rulenge gets around 61 mm of rain over 10.5 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 34% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
162
260
359
457
555
654
752
850
948
1046
1143
1241
1338
1436
1534
1631
1729
1827
1925
2024
2122
2220
2319
2417
2516
2615
2714
2813
2912
3011
3111

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1116821
2117811
3118801
4119791
5120781
6121771
7123751
8125731
9127720
10129700
11131680
12134650
13237610
14240580
15243550
16346510
17448480
18550450
19652420
20754390
21856360
221057330
231158310
241359280
251559260
261759240
271958230
282257210
292456200
302655190
312855170

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
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 6:57 AM to 6:59 AM, and sunset from 6:52 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:576:52
211.96:576:52
311.96:576:51
411.96:576:51
511.96:576:51
611.96:576:51
711.96:576:51
811.96:576:51
911.96:576:51
1011.96:576:50
1111.96:576:50
1211.96:576:50
1311.96:576:50
1411.96:576:50
1511.96:576:50
1611.96:576:50
1711.96:576:50
1811.96:586:50
1911.96:586:50
2011.96:586:50
2111.96:586:50
2211.96:586:50
2311.96:586:50
2411.96:586:50
2511.96:586:50
2611.96:586:50
2711.96:596:50
2811.96:596:50
2911.96:596:50
3011.96:596:50
3111.96:596:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.19 kWh/m².

For context, solar energy here swings from a low near 5.16 kWh/m² to a high of 5.91 kWh/m² in February across the year — May's 5.19 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Rulenge

In seasonPeak

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

Rulenge'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 Rulenge?

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

6.4
Sightseeing
4th-best month of the year
6.1
Beach & pool
5th-best month of the year

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

What to pack for Rulenge in May

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

In May, Rulenge sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Rulenge 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 Rulenge 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
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Rulenge 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 Rulenge is worst in July — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (April, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1246 µg/m³Apr 1624 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb32Moderate
Mar27Moderate
Apr24Moderate
May27Moderate
Jun45Poor
Jul47Poor
Aug40Poor
Sep33Moderate
Oct27Moderate
Nov27Moderate
Dec29Moderate
Location & terrain

Where is Rulenge?

Rulenge sits at 2.7°S, 30.6°E, 1,422 m above sea level, in Tanzania. The nearest listed city is Kabanga, 20 km away.

Kakonko

Topography around Rulenge

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

Within 3 km, the terrain around Rulenge has only modest variations in elevation — a maximum elevation change of 194 m around an average of 1,424 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 399 m; within 80 km, large variations in elevation — a maximum elevation change of 911 m.

The land around Rulenge is covered by shrubs (30%), grassland (29%) and cropland (23%) within 3 km, grassland (38%), shrubs (26%) and cropland (26%) within 16 km, and grassland (30%), cropland (27%) and shrubs (20%) within 80 km.

3 km
194 m
16 km
399 m
80 km
911 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Kabanga 20 km · Bugarama 21 km · Ngara 23 km · Kirundo 61 km · Kibungo 63 km · Cendajuru 64 km · Karusi 67 km · Kakonko 73 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 Rulenge (-2.7175°, 30.6325°, elevation 1,422 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).