Nansio weather in May

In May, Nansio sees average daytime highs of 26°C and overnight lows near 22°C, with 128 mm of rain across 16.3 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-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 33% 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 Nansio's 5th-clearest and 6th-windiest month. For the whole year in context, see Nansio's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
128 mm
16.3 wet days
Daylight
11 h 54 min
6:47 AM – 6:41 PM
Cloud cover
58%
5th clearest
Wind
13 km/h
6th windiest
Solar energy
5.83 kWh/m²
Travel score
5.9
out of 10

Nansio is town in Mwanza 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 26°C through the month.

A typical May day in Nansio reaches about 26°C in the afternoon and slips back to 22°C overnight — a 4°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.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12522
22522
32522
42522
52522
62522
72522
82622
92622
102622
112622
122622
132622
142622
152622
162622
172622
182622
192622
202622
212622
222622
232622
242622
252622
262622
272622
282622
292622
302622
312622

Nansio weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 22°20023.912.14.7
Feb26° / 22°14918.212.15.1
Mar26° / 22°23021.7124.9
Apr25° / 22°25721.8124.7
May26° / 22°12816.311.95.9
Jun25° / 22°458.211.97.2
Jul25° / 21°173.911.98.2
Aug25° / 21°7010.411.97.1
Sep25° / 22°12817.6125.7
Oct25° / 22°25325.8124.3
Nov25° / 21°3032712.14.0
Dec25° / 22°27026.912.14.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% 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 (%)
13268
23268
33466
43664
53664
63763
73862
84060
94258
104357
114654
124753
134852
145050
155149
165248
175446
185545
195644
205743
215842
226040
236139
246139
256238
266337
276436
286436
296535
306535
316634

Chance of precipitation in May

Any precipitation

Nansio gets around 128 mm of rain over 16.3 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 52% 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
866
965
1063
1161
1259
1357
1455
1552
1650
1748
1847
1945
2043
2142
2241
2339
2438
2537
2637
2736
2836
2936
3036
3135

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
114455
214554
314752
414851
514950
615049
715247
815346
915544
1015643
1125741
1225939
1326137
1436235
1536433
1646531
1746630
1856728
1966727
2066826
2176825
2286824
2396724
24116623
25126523
26136423
27156223
28166123
29176023
30195724
31205624

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

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 6:47 AM to 6:49 AM, and sunset from 6:43 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:476:43
211.96:476:43
311.96:476:42
411.96:476:42
511.96:476:42
611.96:476:42
711.96:476:42
811.96:476:42
911.96:476:42
1011.96:476:42
1111.96:476:41
1211.96:476:41
1311.96:476:41
1411.96:476:41
1511.96:476:41
1611.96:476:41
1711.96:476:41
1811.96:476:41
1911.96:476:41
2011.96:476:41
2111.96:476:41
2211.96:476:41
2311.96:476:41
2411.96:486:41
2511.96:486:41
2611.96:486:41
2711.96:486:41
2811.96:486:41
2911.96:486:42
3011.96:486:42
3111.96:496:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.83 kWh/m².

For context, solar energy here swings from a low near 5.56 kWh/m² to a high of 6.53 kWh/m² in February across the year — May's 5.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Nansio

In seasonPeak

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

Nansio'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 Nansio?

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

5.9
Sightseeing
4th-best month of the year
5.5
Beach & pool
4th-best month of the year

May is a reasonable time to visit Nansio for sightseeing.

What to pack for Nansio in May

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

In May, Nansio sees daytime highs around 26°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Nansio 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 Nansio peaks around March 16 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 16UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Nansio 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 Nansio is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2117 µg/m³Nov 128 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar11Good
Apr9Good
May10Good
Jun14Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec10Good
Location & terrain

Where is Nansio?

Nansio sits at 2.1°S, 33.0°E, 1,134 m above sea level, in Tanzania. The nearest listed city is Muriti, 22 km away.

Sengerema

Topography around Nansio

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

Within 3 km, the terrain around Nansio has only modest variations in elevation — a maximum elevation change of 72 m around an average of 1,143 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 188 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.

The land around Nansio is covered by water (69%) within 3 km, water (63%) within 16 km, and water (66%) and cropland (25%) within 80 km.

3 km
72 m
16 km
188 m
80 km
473 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Muriti 22 km · Kibara 44 km · Mwanza 46 km · Kisesa 46 km · Kihangara 60 km · Usagara 61 km · Magu 67 km · Sengerema 74 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 Nansio (-2.1333°, 33.05°, elevation 1,134 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).