Mtwara weather in May

In May, Mtwara sees average daytime highs of 28°C and overnight lows near 25°C, with 38 mm of rain across 7.2 wet days and about 11.5 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 67% of the time in May, and the air most often feels oppressive.

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 Mtwara's 7th-clearest and 3rd-windiest month. For the whole year in context, see Mtwara's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
25°
6th coldest
Rainfall
38 mm
7.2 wet days
Daylight
11 h 30 min
6:30 AM – 6:01 PM
Cloud cover
35%
7th clearest
Wind
22 km/h
3rd windiest
Solar energy
5.14 kWh/m²
Travel score
6.9
out of 10

Mtwara is city.

Founded
1971

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 28°C through the month.

A typical May day in Mtwara reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How May really feels in Mtwara

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.

Mtwara weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°18620.512.54.8
Feb28° / 26°14518.412.34.7
Mar28° / 26°18223.812.14.1
Apr28° / 25°11518.511.84.8
May28° / 25°387.211.56.9
Jun27° / 23°81.811.48.1
Jul26° / 23°51.311.58.4
Aug26° / 23°61.611.78.6
Sep26° / 23°103.211.98.5
Oct26° / 24°20612.27.9
Nov27° / 25°4210.712.56.8
Dec28° / 26°12320.912.65.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27624
37624
47624
57624
67624
77723
87723
97723
107822
117921
127921
137921
147921
158020
168020
178020
188119
198218
208317
218317
228416
238515
248614
258614
268614
278713
288713
298812
308812
318911

Chance of precipitation in May

Any precipitation

Mtwara gets around 38 mm of rain over 7.2 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 24% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
237
336
435
534
632
731
830
928
1027
1126
1225
1324
1424
1523
1623
1722
1822
1921
2020
2120
2219
2319
2418
2517
2617
2716
2815
2914
3013
3112

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 73% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1011827
2012826
3012826
4013825
5014815
6014824
7015823
8016813
9017803
10018802
11019792
12019801
13120781
14121771
15122761
16123760
17124750
18125740
19126730
20127720
21128710
22129700
23130690
24132670
25133660
26134650
27236620
28237610
29339580
30341560
31442540

Wind in May

Winds average 22 km/h in May.

Across May, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2923breezy
3023breezy
3123breezy

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 6:27 AM to 6:33 AM, and sunset from 6:06 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:276:06
211.66:276:05
311.66:276:05
411.66:286:05
511.66:286:04
611.66:286:04
711.66:286:04
811.66:286:03
911.66:286:03
1011.66:286:03
1111.66:296:03
1211.66:296:02
1311.66:296:02
1411.56:296:02
1511.56:296:02
1611.56:306:01
1711.56:306:01
1811.56:306:01
1911.56:306:01
2011.56:306:01
2111.56:316:01
2211.56:316:01
2311.56:316:00
2411.56:316:00
2511.56:326:00
2611.56:326:00
2711.56:326:00
2811.56:326:00
2911.56:336:00
3011.56:336:00
3111.46:336:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.77 kWh/m² in November across the year — May's 5.14 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
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
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Mtwara

In seasonPeak

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

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

Mtwara's monsoon runs December–April, 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 Mtwara?

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

6.9
Sightseeing
6th-best month of the year
7.7
Beach & pool
5th-best month of the year

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

What to pack for Mtwara in May

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

In May, Mtwara sees daytime highs around 28°C and nights near 25°C. Pack light clothes. Worth having: sun protection and a windbreaker. About 7 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Mtwara 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 17 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 Mtwara 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 Mtwara peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 15Jun 21UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Mtwara?

Mtwara sits at 10.3°S, 40.2°E, 21 m above sea level, in Tanzania. The nearest listed city is Lindi, 59 km away.

KitamaTandahimbaNyangaoNangangaLuchinguMocímboa

Topography around Mtwara

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

Within 3 km, the terrain around Mtwara has only modest variations in elevation — a maximum elevation change of 43 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, significant variations in elevation — a maximum elevation change of 460 m.

The land around Mtwara is covered by water (38%) and artificial surfaces (25%) within 3 km, water (39%) and trees (31%) within 16 km, and water (39%) and trees (36%) within 80 km.

3 km
43 m
16 km
163 m
80 km
460 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Lindi 59 km · Nanyamba 60 km · Kitama 70 km · Tandahimba 81 km · Nyangao 99 km · Nanganga 114 km · Luchingu 117 km · Mocímboa 118 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 Mtwara (-10.2667°, 40.1833°, elevation 21 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).