Izazi weather in May

In May, Izazi sees average daytime highs of 30°C and overnight lows near 19°C, with 4 mm of rain across 1 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 54% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Izazi's 6th-clearest and 7th-windiest month. For the whole year in context, see Izazi's year-round climate.

Daytime high
30°
5th warmest
Overnight low
19°
6th coldest
Rainfall
4 mm
1 wet days
Daylight
11 h 42 min
6:43 AM – 6:23 PM
Cloud cover
40%
6th clearest
Wind
10 km/h
7th windiest
Solar energy
5.53 kWh/m²
Travel score
6.1
out of 10

Izazi is ward in Iringa Rural district, Iringa Region, Tanzania.

Density
37/km²
people per km²

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 30°C through the month.

A typical May day in Izazi reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53019
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223018
233018
243018
253018
263018
273018
283018
293018
303018
313018

How May really feels in Izazi

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.

Izazi weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°10116.312.44.2
Feb30° / 21°7613.712.24.3
Mar30° / 21°8815.3124.3
Apr30° / 20°47911.85.1
May30° / 19°4111.76.1
Jun29° / 17°0011.67.0
Jul28° / 16°0011.67.6
Aug29° / 16°0011.87.0
Sep31° / 17°00126.0
Oct32° / 19°40.512.24.9
Nov33° / 20°233.612.34.1
Dec31° / 21°881212.44.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37129
47129
57228
67327
77327
87426
97525
107624
117624
127624
137723
147822
157822
167822
177822
187921
198020
208020
218020
228020
238119
248119
258218
268317
278317
288317
298317
308317
318416

Chance of precipitation in May

Any precipitation

Izazi gets around 4 mm of rain over 1 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 3% and peaks near 9% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
47
57
66
76
85
95
105
114
124
133
143
153
163
172
182
192
202
212
221
231
241
251
261
271
281
291
301
310

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1131626
2133615
3135604
4237574
5240544
6242533
7343513
8345493
9447462
10549442
11650422
12752392
13754372
14855352
15957331
161058311
171159291
181260271
191361251
201461241
211563220
221663210
231764190
241765180
251865170
262064160
272164150
282265130
292464120
302663110
312862100

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
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 48 min at the start of May to 11 h 36 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 6:42 AM to 6:46 AM, and sunset from 6:27 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:426:27
211.76:426:26
311.76:426:26
411.76:426:26
511.76:426:26
611.76:426:25
711.76:426:25
811.76:426:25
911.76:426:25
1011.76:426:24
1111.76:426:24
1211.76:436:24
1311.76:436:24
1411.76:436:24
1511.76:436:24
1611.76:436:23
1711.76:436:23
1811.76:436:23
1911.76:446:23
2011.76:446:23
2111.76:446:23
2211.66:446:23
2311.66:446:23
2411.66:456:23
2511.66:456:23
2611.66:456:23
2711.66:456:23
2811.66:456:23
2911.66:466:23
3011.66:466:23
3111.66:466:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.53 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.53 kWh/m² to a high of 7.15 kWh/m² in October across the year — May's 5.53 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Izazi

In seasonPeak

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

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

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

Is May a good time to visit Izazi?

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

6.1
Sightseeing
4th-best month of the year
8.5
Beach & pool
5th-best month of the year

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

What to pack for Izazi in May

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

In May, Izazi sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Izazi in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Izazi peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 13UV 15Jun 17UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Izazi 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 Izazi is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1920 µg/m³May 247 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr8Good
May7Good
Jun7Good
Jul10Good
Aug15Moderate
Sep21Moderate
Oct18Moderate
Nov13Moderate
Dec8Good
Location & terrain

Where is Izazi?

Izazi sits at 7.2°S, 35.7°E, 727 m above sea level, in Tanzania. The nearest listed city is Ilula, 63 km away.

KibakweDodomaMpwapwaMafingaMikumiKilosa

Topography around Izazi

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

Within 3 km, the terrain around Izazi has only modest variations in elevation — a maximum elevation change of 73 m around an average of 729 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 713 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,911 m.

The land around Izazi is covered by shrubs (63%) and grassland (34%) within 3 km, shrubs (48%), water (25%) and grassland (20%) within 16 km, and shrubs (51%) and grassland (20%) within 80 km.

3 km
73 m
16 km
713 m
80 km
1,911 m
treesshrubsgrasslandcroplandwater
May weather nearby: Ilula 63 km · Iringa 63 km · Kibakwe 88 km · Dodoma 114 km · Mpwapwa 126 km · Mafinga 132 km · Mikumi 140 km · Kilosa 144 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 Izazi (-7.2°, 35.7333°, elevation 727 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). 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).