Chato weather in May

In May, Chato sees average daytime highs of 27°C and overnight lows near 20°C, with 45 mm of rain across 8.7 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 27% 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 Chato's 5th-clearest and 6th-windiest month. For the whole year in context, see Chato's year-round climate.

Daytime high
27°
7th warmest
Overnight low
20°
10th coldest
Rainfall
45 mm
8.7 wet days
Daylight
11 h 54 min
6:53 AM – 6:46 PM
Cloud cover
62%
5th clearest
Wind
7 km/h
6th windiest
Solar energy
5.5 kWh/m²
Travel score
6.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Chato reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172720
182720
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Chato weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°7216.312.15.5
Feb28° / 20°481112.15.9
Mar28° / 20°9016.3125.4
Apr27° / 20°11418.411.95.0
May27° / 20°458.711.96.5
Jun28° / 20°122.611.97.4
Jul28° / 20°61.311.97.3
Aug28° / 20°286.111.96.6
Sep28° / 20°6112.8125.9
Oct27° / 20°12421.712.14.7
Nov26° / 20°17226.312.14.0
Dec26° / 20°11521.512.14.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43169
53268
63367
73466
83565
93664
103862
113862
124159
134258
144357
154555
164654
174753
184852
195050
205149
215149
225248
235347
245446
255545
265545
275743
285743
295743
305743
315743

Chance of precipitation in May

Any precipitation

Chato gets around 45 mm of rain over 8.7 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 28% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
247
346
444
543
642
740
839
938
1036
1135
1233
1331
1430
1528
1627
1725
1824
1923
2022
2120
2219
2318
2417
2516
2615
2714
2813
2913
3012
3112

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1013663
2013861
3013960
4024157
5024256
6024454
7024553
8024751
9034849
10035047
11045244
12055342
13055639
14065737
15075934
16086032
17096130
180106228
190116326
200126325
210146323
220156322
230176320
240186319
251206118
261216117
271236016
282255716
292265715
302285515
313305314

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:53 AM to 6:55 AM, and sunset from 6:47 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:536:47
211.96:536:47
311.96:536:47
411.96:536:47
511.96:536:47
611.96:536:47
711.96:536:46
811.96:536:46
911.96:536:46
1011.96:536:46
1111.96:536:46
1211.96:536:46
1311.96:536:46
1411.96:536:46
1511.96:536:46
1611.96:536:46
1711.96:536:46
1811.96:536:46
1911.96:536:46
2011.96:536:46
2111.96:536:46
2211.96:536:46
2311.96:536:46
2411.96:536:46
2511.96:546:46
2611.96:546:46
2711.96:546:46
2811.96:546:46
2911.96:546:46
3011.96:546:46
3111.96:556:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.5 kWh/m².

For context, solar energy here swings from a low near 5.13 kWh/m² to a high of 6.07 kWh/m² in February across the year — May's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Chato

In seasonPeak

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

Chato's rainy season runs October–December, 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 Chato?

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

6.5
Sightseeing
4th-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Chato in May

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

In May, Chato sees daytime highs around 27°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Chato 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 Chato 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
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Chato 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 Chato is worst in July — around 22 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (April, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1422 µg/m³Apr 2113 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb20Moderate
Mar16Moderate
Apr13Moderate
May13Moderate
Jun21Moderate
Jul22Moderate
Aug20Moderate
Sep17Moderate
Oct14Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Chato?

Chato sits at 2.6°S, 31.8°E, 1,150 m above sea level, in Tanzania. The nearest listed city is Mhalamba, 28 km away.

UyovuKasamwaDiobahika

Topography around Chato

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

Within 3 km, the terrain around Chato has only modest variations in elevation — a maximum elevation change of 47 m around an average of 1,143 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, large variations in elevation — a maximum elevation change of 710 m.

The land around Chato is covered by water (34%) and cropland (30%) within 3 km, water (45%) and cropland (33%) within 16 km, and cropland (36%) and water (21%) within 80 km.

3 km
47 m
16 km
271 m
80 km
710 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Mhalamba 28 km · Katoro 44 km · Buseresere 48 km · Biharamulo 51 km · Geita 58 km · Uyovu 77 km · Kasamwa 78 km · Diobahika 83 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 Chato (-2.6378°, 31.7669°, elevation 1,150 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).