Kasulu weather in July

In July, Kasulu sees average daytime highs of 27°C and overnight lows near 16°C, with 3 mm of rain across 0.8 wet days and about 11.8 hours of daylight. It is the 4th-warmest and 12th-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 39% of the time in July, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of July to 11 h 48 min by month's end. Set against the rest of the year, July is Kasulu's 1st-clearest and 3rd-windiest month. For the whole year in context, see Kasulu's year-round climate.

Daytime high
27°
4th warmest
Overnight low
16°
1st coldest
Rainfall
3 mm
0.8 wet days
Daylight
11 h 48 min
7:12 AM – 6:58 PM
Cloud cover
49%
1st clearest
Wind
6 km/h
3rd windiest
Solar energy
5.62 kWh/m²
Travel score
7.9
out of 10

Kasulu is city in Kigoma, Tanzania.

Density
271/km²
people per km²
Founded
1500

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Kasulu reaches about 27°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12715
22715
32715
42715
52715
62715
72715
82715
92715
102715
112715
122715
132715
142715
152715
162715
172715
182715
192715
202816
212816
222816
232816
242816
252816
262816
272816
282816
292816
302816
312816

Kasulu weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°23528.312.23.8
Feb26° / 17°18924.312.14.0
Mar26° / 17°21427.3124.0
Apr25° / 17°17223.711.94.3
May26° / 17°6811.111.86.4
Jun27° / 16°14311.77.6
Jul27° / 16°30.811.87.9
Aug29° / 17°111.811.96.8
Sep29° / 18°366.4125.7
Oct28° / 18°1361712.14.9
Nov26° / 17°23125.512.24.0
Dec25° / 17°25728.912.33.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of July, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26139
36238
46337
56535
66634
76634
86634
96733
106733
116733
126733
136733
146733
156634
166634
176535
186535
196436
206436
216337
226238
236139
246040
256040
266040
275941
285941
295941
305941
315941

Chance of precipitation in July

Any precipitation

Kasulu gets around 3 mm of rain over 0.8 wet days in July, the driest month. 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 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
24
34
44
53
63
73
82
92
102
112
122
132
142
152
162
172
182
192
202
213
223
233
243
253
263
273
283
293
303
314

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
150455
252435
355414
457394
560373
662353
765332
867312
969292
1071281
1173261
1274251
1375241
1475241
1576231
1676231
1776231
1876231
1976231
2076231
2176231
2275241
2375241
2475241
2574242
2674242
2774242
2873252
2973252
3073252
3173252

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 42 min at the start of July to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 7:11 AM to 7:12 AM, and sunset from 6:55 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:116:55
211.77:116:55
311.77:116:55
411.77:116:56
511.77:116:56
611.77:126:56
711.77:126:56
811.77:126:57
911.77:126:57
1011.77:126:57
1111.77:126:57
1211.87:126:57
1311.87:126:57
1411.87:126:58
1511.87:126:58
1611.87:126:58
1711.87:126:58
1811.87:136:58
1911.87:136:58
2011.87:136:59
2111.87:136:59
2211.87:136:59
2311.87:126:59
2411.87:126:59
2511.87:126:59
2611.87:126:59
2711.87:126:59
2811.87:126:59
2911.87:126:59
3011.87:127:00
3111.87:127:00

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.25 kWh/m² in September across the year — July's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for Kasulu

In seasonPeak

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

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

Kasulu's rainy season runs October–April, when most of the year's rain falls.

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

Is July a good time to visit Kasulu?

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

7.9
Sightseeing
1st-best month of the year
8.2
Beach & pool
2nd-best month of the year

July is one of the better times to visit Kasulu for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kasulu in July

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

In July, Kasulu sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Kasulu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Kasulu peaks around March 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 16Aug 14UV 8
UV index (midday)Level
Jan10Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug8Very high
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Kasulu in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Kasulu is worst in July — around 47 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (April, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 2146 µg/m³Apr 1515 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar17Moderate
Apr14Moderate
May18Moderate
Jun35Moderate
Jul47Poor
Aug43Poor
Sep36Poor
Oct23Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Kasulu?

Kasulu sits at 4.6°S, 30.1°E, 1,310 m above sea level, in Tanzania. The nearest listed city is Mwandiga, 57 km away.

VyandaRumongeNgurukaGitegaKibondo

Topography around Kasulu

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

Within 3 km, the terrain around Kasulu has significant variations in elevation — a maximum elevation change of 288 m around an average of 1,320 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 629 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,720 m.

The land around Kasulu is covered by artificial surfaces (29%), cropland (27%) and trees (21%) within 3 km, grassland (49%) and cropland (28%) within 16 km, and grassland (35%), cropland (22%) and trees (21%) within 80 km.

3 km
288 m
16 km
629 m
80 km
1,720 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Mwandiga 57 km · Kigoma 62 km · Uvinza 67 km · Vyanda 76 km · Rumonge 100 km · Nguruka 120 km · Gitega 129 km · Kibondo 130 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 Kasulu (-4.5767°, 30.1025°, 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. 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).