Maswa weather in May

In May, Maswa sees average daytime highs of 28°C and overnight lows near 18°C, with 43 mm of rain across 8 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 28°C through the month. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels comfortable.

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 Maswa's 3rd-clearest and 5th-windiest month. For the whole year in context, see Maswa's year-round climate.

Daytime high
28°
9th warmest
Overnight low
18°
7th coldest
Rainfall
43 mm
8 wet days
Daylight
11 h 54 min
6:44 AM – 6:37 PM
Cloud cover
61%
3rd clearest
Wind
10 km/h
5th windiest
Solar energy
5.7 kWh/m²
Travel score
6.0
out of 10

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 Maswa reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°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)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918
312918

Maswa 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
Jan28° / 18°11816.112.15.0
Feb29° / 19°9213.612.14.7
Mar29° / 19°13417124.5
Apr28° / 18°13517.411.94.8
May28° / 18°43811.96.0
Jun29° / 18°71.911.86.4
Jul29° / 18°30.511.96.5
Aug30° / 18°112.411.95.9
Sep31° / 19°204.3125.1
Oct31° / 19°569.712.14.5
Nov29° / 19°1281612.14.4
Dec28° / 18°14818.412.24.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23466
33565
43664
53763
63862
74060
84159
94258
104456
114654
124753
134951
144951
155149
165248
175347
185446
195545
205644
215644
225743
235842
246040
256139
266139
276238
286238
296337
306337
316337

Chance of precipitation in May

Any precipitation

Maswa gets around 43 mm of rain over 8 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 25% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
246
345
444
543
642
740
839
937
1035
1133
1231
1329
1427
1525
1623
1722
1820
1918
2017
2116
2214
2313
2412
2511
2611
2710
2810
2910
3010
319

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12246410
23256210
33266110
4327619
5328609
6330598
7332578
8333577
9435547
10438526
11540496
12643465
13745445
14847414
15950384
161052353
171254322
181355302
191555282
201657261
211857241
222156221
232356201
242556190
252755180
263053170
273251170
283450160
293648160
303845160
314043160

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
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 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 6:44 AM to 6:46 AM, and sunset from 6:38 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:446:38
211.96:446:38
311.96:446:38
411.96:446:38
511.96:446:38
611.96:446:38
711.96:446:37
811.96:446:37
911.96:446:37
1011.96:446:37
1111.96:446:37
1211.96:446:37
1311.96:446:37
1411.96:446:37
1511.96:446:37
1611.96:446:37
1711.96:446:37
1811.96:446:37
1911.96:446:37
2011.96:446:37
2111.96:446:37
2211.96:446:37
2311.96:456:37
2411.96:456:37
2511.96:456:37
2611.96:456:37
2711.96:456:37
2811.96:456:37
2911.96:456:37
3011.96:466:37
3111.96:466:37

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.7 kWh/m².

For context, solar energy here swings from a low near 5.52 kWh/m² to a high of 6.39 kWh/m² in February across the year — May's 5.7 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Maswa

In seasonPeak

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

Maswa's rainy season runs November–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 Maswa?

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

6.0
Sightseeing
3rd-best month of the year
7.2
Beach & pool
5th-best month of the year

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

What to pack for Maswa in May

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

In May, Maswa sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Maswa 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 Maswa peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Maswa 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 Maswa is worst in January — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (May, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodModerateJan 2018 µg/m³May 1610 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar15Moderate
Apr12Good
May10Good
Jun13Moderate
Jul13Moderate
Aug12Moderate
Sep12Good
Oct11Good
Nov12Good
Dec14Moderate
Location & terrain

Where is Maswa?

Maswa sits at 2.7°S, 34.0°E, 1,310 m above sea level, in Tanzania. The nearest listed city is Nyakabindi, 6.0 km away.

MalampakaKihangara

Topography around Maswa

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

Within 3 km, the terrain around Maswa has only modest variations in elevation — a maximum elevation change of 96 m around an average of 1,304 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 217 m; within 80 km, large variations in elevation — a maximum elevation change of 883 m.

The land around Maswa is covered by cropland (89%) within 3 km, cropland (86%) within 16 km, and cropland (57%) and grassland (29%) within 80 km.

3 km
96 m
16 km
217 m
80 km
883 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Nyakabindi 6.0 km · Bariadi 13 km · Kisesa 48 km · Shanwa 59 km · Nyalikungu 60 km · Magu 61 km · Malampaka 71 km · Kihangara 71 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 Maswa (-2.6833°, 33.9833°, elevation 1,310 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).