Nanyamba weather in May

In May, Nanyamba sees average daytime highs of 29°C and overnight lows near 20°C, with 24 mm of rain across 5 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 58% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 24 min by month's end. Set against the rest of the year, May is Nanyamba's 5th-clearest and 4th-windiest month. For the whole year in context, see Nanyamba's year-round climate.

Daytime high
29°
9th warmest
Overnight low
20°
6th coldest
Rainfall
24 mm
5 wet days
Daylight
11 h 30 min
6:32 AM – 6:02 PM
Cloud cover
39%
5th clearest
Wind
10 km/h
4th windiest
Solar energy
5.1 kWh/m²
Travel score
6.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Nanyamba reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302919
312919

How May really feels in Nanyamba

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Nanyamba weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°20022.612.63.3
Feb30° / 23°18720.512.43.4
Mar30° / 23°1922612.13.2
Apr29° / 22°8617.811.84.4
May29° / 20°24511.56.3
Jun29° / 19°41.111.47.2
Jul28° / 18°41.111.47.5
Aug29° / 18°51.311.67.0
Sep30° / 19°9311.96.2
Oct31° / 20°236.712.25.3
Nov31° / 22°5211.512.54.3
Dec31° / 23°13720.312.63.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27228
37228
47426
57426
67624
77624
87723
97723
107822
117822
127921
137822
147921
157921
167921
178020
188020
198020
208218
218218
228218
238317
248317
258317
268416
278515
288515
298515
308515
318614

Chance of precipitation in May

Any precipitation

Nanyamba gets around 24 mm of rain over 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 17% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
231
330
428
527
625
724
823
922
1020
1119
1218
1318
1417
1516
1616
1715
1815
1914
2013
2113
2212
2311
2411
2510
269
278
288
297
306
316

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1174646
2184744
3184942
4285139
5295237
62105335
72105533
82115730
93125728
103135826
113145924
123165922
133176020
143186118
153196216
163206215
173216214
183236212
193246211
203256111
213266110
22328609
23329599
24430588
25431587
26432577
27533566
28634546
29735535
30837514
31938494

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 6:29 AM to 6:35 AM, and sunset from 6:07 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:296:07
211.66:296:06
311.66:296:06
411.66:296:06
511.66:306:05
611.66:306:05
711.66:306:05
811.66:306:04
911.66:306:04
1011.66:306:04
1111.56:316:03
1211.56:316:03
1311.56:316:03
1411.56:316:03
1511.56:316:02
1611.56:326:02
1711.56:326:02
1811.56:326:02
1911.56:326:02
2011.56:326:02
2111.56:336:01
2211.56:336:01
2311.56:336:01
2411.56:336:01
2511.56:346:01
2611.56:346:01
2711.46:346:01
2811.46:346:01
2911.46:356:01
3011.46:356:01
3111.46:356:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.1 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.25 kWh/m² in November across the year — May's 5.1 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Nanyamba

In seasonPeak

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

Nanyamba sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Nanyamba's monsoon runs December–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Nanyamba?

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

6.3
Sightseeing
4th-best month of the year
8.1
Beach & pool
5th-best month of the year

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

What to pack for Nanyamba in May

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

In May, Nanyamba sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Nanyamba in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 70 km away) is warmest in March at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Nanyamba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nanyamba peaks around March 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 14Jun 19UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme

Air quality in Nanyamba 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 Nanyamba is worst in November — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (May, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1715 µg/m³May 229 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar11Good
Apr10Good
May9Good
Jun9Good
Jul11Good
Aug11Good
Sep9Good
Oct10Good
Nov16Moderate
Dec11Good
Location & terrain

Where is Nanyamba?

Nanyamba sits at 10.7°S, 39.8°E, 243 m above sea level, in Tanzania. The nearest listed city is Kitama, 12 km away.

NyangaoLindi

Topography around Nanyamba

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

Within 3 km, the terrain around Nanyamba has only modest variations in elevation — a maximum elevation change of 91 m around an average of 237 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, large variations in elevation — a maximum elevation change of 890 m.

The land around Nanyamba is covered by trees (38%), grassland (30%) and shrubs (26%) within 3 km, trees (46%), shrubs (26%) and grassland (23%) within 16 km, and trees (58%) within 80 km.

3 km
91 m
16 km
251 m
80 km
890 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Kitama 12 km · Tandahimba 23 km · Luchingu 60 km · Mtwara 60 km · Newala 65 km · Newala Kisimani 67 km · Nyangao 72 km · Lindi 77 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 Nanyamba (-10.6833°, 39.8333°, elevation 243 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).